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Optimizing the Robots.txt file for Google
The Robots.txt file serves to give information to Googlebot and other robots that crawl the Internet about the pages and files that should be indexed on our website. Although it is not essential, the Robots.txt file is of great help to Google and other crawling robots when indexing our page,…
Category : Programming 22-05-2023 by Janeth Kent
How to download any video from any website
If you have ever seen a video that you really liked and you would have liked to have it on your computer, but you didn't know how, from now on you will know it, since we are going to see which are the tools that allow us to do this…
Category : Technology 16-05-2023 by Janeth Kent
What is Gzip compression and what is it used for?
GZIP compression allows you to compress the resources of a web page before they are served to the users' browsers so that the web page loads faster and thus improves your WPO. This type of compression has become very popular in recent times among WPO consultants thanks to tools such as…
Category : Programming 22-12-2022 by Janeth Kent
Loading images by resolution with HTML5
Normally the way to load images in HTML is through the img element to which we pass as a parameter the URL of the image to load. But since HTML5 we have the picture element that helps us to make it more efficient and load images by resolution with HTML5. That…
Category : Web design 20-12-2022 by Janeth Kent
How to create PDF with JavaScript and jsPDF
Creating dynamic PDF files directly in the browser is possible thanks to the jsPDF JavaScript library. In the last part of this article we have prepared a practical tutorial where I show you how to implement the library. Below you can see the completed exercise. The client side is gaining ground over…
Category : Javascript 04-12-2022 by Janeth Kent
Node.js and npm: introductory tutorial
In this tutorial we will see how to install and use both Node.js and the npm package manager. In addition, we will also create a small sample application. If you have ever used or thought about using a JavaScript-based development tool, you have probably noticed that you need to install…
Category : Javascript 05-11-2021 by Silvia Mazzetta
Top Javascript Libraries and Frameworks Part 2
What are JavaScript frameworks? JavaScript frameworks are application frameworks that allow developers to manipulate code to meet their particular needs. Web application development is like building a house. You have the option of creating everything from scratch with construction materials. But it will take a long time and can incur high costs. But…
Category : Javascript 06-05-2021 by Janeth Kent
How to Send Email from an HTML Contact Form
In today’s article we will write about how to make a working form that upon hitting that submit button will be functional and send the email (to you as a web creator and to the user or customer as well). If you’re a PHP developer, there's a high probability that you…
Category : Programming 10-05-2021 by
Top JavaScript libraries and frameworks part 1
JavaScript libraries and frameworks make it easy to develop websites and applications with a wide variety of features and functionality, all with dynamic, flexible and engaging features. According to a 2020 StackOverflow survey, JavaScript remains the most widely used programming language (for the eighth year), with 67.7% of respondents using it. Its…
Category : Javascript 06-05-2021 by Janeth Kent
Network attacks and how to avoid them
Nowadays it is impossible to list all the different types of attacks that can be carried out on a network, as in the world of security this varies continuously. We bring you the most common ones according to the network attack databases, so that we can keep up to date…
Category : Security 03-05-2021 by Silvia Mazzetta
How To Use Varnish As A Highly Available Load Balancer On Ubuntu 20.04 With SSL
Load balancing with high availability can be tough to set up. Fortunately, Varnish HTTP Cache server provides a dead simple highly available load balancer that will also work as a caching server. The modern use of SSL/TLS for all traffic has made this a little harder as Vanish has to handle…
Category : Servers 25-04-2021 by Janeth Kent
Top tools for UX design and research
This article is a compilation of the "ux tools" I have tested in recent years. I've separated the tools by categories, although I recommend you to take a look at all of them, you might find some you didn't know. - Conceptualisation and project management tools - UX testing and research tools - Analytics…
Category : Ui/ux design 23-04-2021 by Silvia Mazzetta
How to make a multilingual website without redirect
Today, we're going to talk about how to implement a simple language selector on the basic static website, without the need of any backend or database calls or redirection to another page. We will be using only JavaScript, no PHP or other programming languages. Serving HTML content in multiple languages is…
Category : Javascript 22-04-2021 by
Starting with Bootstrap-Vue step by step
Today we will show you how to use BootstrapVue, describe the installation process and show basic functionality. The project’s based on the world's most popular CSS framework - Bootstrap, for building responsive mobile-first landing page and combines it with Vue.js. Bootstrap-Vue does not yet support Vue 3. So if you want to…
Category : Javascript 13-04-2021 by
htaccess Rules to Help Protect from SQL Injections and XSS
This list of rules by no means is a sure bet to secure your web services, but it will help in preventing script-kiddings from doing some basic browsing around. MySQL injection attempts are one of the most common hacking attacks against PHP websites. If your website is hosted on a dedicated…
Category : Security 01-03-2021 by Janeth Kent
Creating simple CSS spinner-loader
In today's article we will show you how to animate a basic loader that spins when some predefined action is defined, such as loading an image. That can be used on a website for example when there is a request running and the result is not yet retrieved. What are they? Loading…
Category : Css 05-04-2021 by
A FULFILLED PROMISE - Using the FETCH API to make AJAX calls
In this article we talked about what AJAX calls are and how to use them in a traditional way, by using the XMLHttpRequest (XHR) object. In short, thanks to AJAX calls a web page can be partially updated without having to reload the whole content. This leads to better loading…
Category : Javascript 26-12-2020 by Iveta Karailievova
How to use Parallax.js effect on your website
Today, we're going to write about the parallax effect, similar to parallax scrolling, and how to implement it to improve your landing page. In webdev, they say mobile first - well, this engine will react to the movement of a smart device, offsetting layers depending on their depth within a…
Category : Javascript 26-12-2020 by
Read comics online: best websites and apps to download and read digital comics
Comic book lovers (like us), today we're going to give you a special tribute: a small collection of websites and applications to download and read digital comics, both on your computer and on your mobile devices. You'll be able to access a wide collection of free and paid digital comics, and…
Category : News and events 26-05-2023 by Silvia Mazzetta
What is Django and what is it used for
When we talk about Django, we refer to that framework that is used for any totally free and open source web application which is written in Python. Basically, it's a group of elements that will help you create web pages much more easily and quickly. At the moment you are going…
Category : Programming 26-12-2020 by Janeth Kent
Django vs. Laravel: Market Share Comparison
There are two leading frameworks in the web development segment: Django and Laravel. In this article, we prepared a Django and Laravel comparison focusing on their market share so that you can figure out which framework is better for your project. Selecting the appropriate framework is crucial for coping with…
Category : Programming 23-12-2020 by Janeth Kent
SEO: How to find and remove artificial links
At Ma-no we are aware of the importance of a good linkbuilding strategy in order to achieve success with a website. Links are key to placing a website among the top positions in Google search results, and therefore increasing the number of visits and conversions. But in today's post we are not…
Category : Seo & sem 23-12-2020 by Silvia Mazzetta
How to get paid in Bitcoin: CoinBase, CoinGate
After explaining how bitcoins work and how to pay using this cryptocurrency, we will see how to get paid in bitcoin. Below you will find explained in detail how to do it. Many people find the concept of BitCoin virtual currency confusing. We could simply explain that BitCoin is a peer-to-peer financial…
Category : Technology 23-12-2020 by Silvia Mazzetta
Some Neat Ways to Improve Your Internet Browsing Experience?
Not everyone has the best time when they are surfing the net. There are multiple reasons why an internet browser struggles, but that does not mean the situation is out of your hands. Relying on the internet is inevitable these days. We use it for work, entertainment, and socializing with friends…
Category : News and events 21-12-2020 by Janeth Kent
A Java approach: While loop
Hello everyone and welcome back! After having made a short, but full-bodied, introduction about cycles, today we are finally going to see the first implementations that use what we have called preconditional cycle. In Java, as in many other programming languages, this type of cycle is translated with the term while, which…
Category : Java 25-10-2020 by Alessio Mungelli
Making AJAX requests to a REST API using vanilla JavaScript and XHR
Imagine you just build your first static web page and you would like to add some functionality to make it more attractive and generally more usable. Perhaps you would like to entertain your web page visitor with randomly generated cat facts, jokes, or, (preferably not randomly generated) weather forecasts or…
Category : Javascript 25-11-2020 by Iveta Karailievova
A beginner’s guide to software vulnerabilities
What are software vulnerabilities The number of devices connected to the Internet is growing every day. And among those devices we find not only computers and smartphones, but also an ever-rising number of cameras, smoke detectors, motion sensors, smart door locks, and let’s not forget that even plant pots. Many households…
Category : Security 17-11-2020 by Iveta Karailievova
A Java Approach: Selection Structures - Use Cases
Hello everyone and welcome back! Up to now we have been concerned to make as complete an overview as possible of the fundamental concepts we need to approach the use of conditional structures. We have therefore introduced the concept of conditional structures, outlining the various situations that could arise. We…
Category : Java 20-10-2020 by Alessio Mungelli
How To Add Filter Effects to Images with CSS
To achieve interesting effects on your images, learn about the 'filter' and 'Backdrop-Filter' properties of CSS. CSS filters are a very attractive feature of CSS that allows you to apply certain image effects, typical of photo retouching applications, such as sepia, variations in brightness or contrast (or others) on the fly…
Category : Css 28-10-2020 by Silvia Mazzetta
How to watch deleted or private Youtube videos
Today we are going to talk about the technique which you permit to be able to recover videos from Youtube that was deleted, made private or simply blocked by Youtube itself. With this trick you most of the time would do just that. How is this possible we will explain…
Category : Social networks 05-04-2021 by
Introduction to REGEX - Regular Expression
Today we are going to write about Regular Expressions known as regex or shortened regexp, a very useful concept of using search patterns. Surely you were in a situation when you need to replace some word for another or character for some else. This and more you can handle with Regular…
Category : Programming 23-10-2020 by
HTTP Cookies: how they work and how to use them
Today we are going to write about the way to store data in a browser, why websites use cookies and how they work in detail. Continue reading to find out how to implement and manage them - if you're looking for code! Understanding HTTP COOKIES - What are they? Cookies and other types…
Category : Programming 27-11-2020 by
SEO in Google News: How to appear in Google News
Google News is a tool, from Google, that spreads current, reliable and truthful content from different websites or portals dedicated exclusively to news. The sites that appear in Google News have a great opportunity to increase traffic to your website and consequently the opportunity to increase your sales through it. If…
Category : Seo & sem 04-10-2020 by Luigi Nori
Google Dorks: How to find interesting data and search like hacker
Go the words Google and Hacking together? Well if you thought that we will learn how to use hack Google, you might be wrong. But we can Use Google search engine to find interesting data accidentally exposed to the Internet. Such a simple search bar has the potential to help you also…
Category : Security 03-12-2021 by
How to comply with Google's quality guidelines in 2020
Google provides a set of guidelines on what your website's content should look like in order to appear in search results. There are several categories within the Google guidelines: Webmaster Guidelines. General guidelines. Content-specific guidelines. Quality guidelines. In this article we will focus on the Quality guidelines. Quality guidelines, describe techniques whose use is prohibited and which,…
Category : Seo & sem 09-09-2020 by Silvia Mazzetta
The concept of Model-View-Controller (MVC) explained
In software engineering, we use design patterns as reusable solutions to a commonly occurring problem, a pattern is like a template for how to solve a problem. Model-View-Controller (MVC) is a software design pattern that divides the related program or web application into three interconnected elements or components. Each of these…
Category : Programming 22-10-2020 by
How to integrate native images lazy loading in your web projects
Support for natively lazy-loading images is now supported on the web! Look at this demo of the feature From the version 76 of Chrome, you can use the loading attribute to lazy-load images without the need to write custom lazy-loading code or use a separate JavaScript library. Let's dive into the details. Browser compatibility is supported…
Category : Programming 03-04-2023 by Luigi Nori
Dark Web: how to access, risks and contents
You've probably heard of the Dark Web before, but do you really know what the Dark Web is, or what it consists of? Do you know its risks? Which users use the Dark Web? What content is published? Would you know how to access the Dark Web safely? If you are reading…
Category : Security 13-06-2020 by Silvia Mazzetta
SEO Mistakes that Need to Be Avoided
Search Engine Optimization is the need of the hour, especially for people who have businesses and want to make something big out of it. You need to put in your share of efforts in the domain of SEO to see to it that your business is moving in the right…
Category : Seo & sem 11-06-2020 by Janeth Kent
How to move Chrome, Firefox or Edge cache to save space
Caching is a technique used by many programs to improve their performance, especially for applications that run over the Internet, such as streaming programs or web browsers. This technique consists of saving all or part of the information being processed in a directory so that, if we return to it,…
Category : News and events 04-06-2020 by Janeth Kent
How to Change Your DNS Server (And Why You Should)
It's so easy to connect to the internet that you don't think much about how it actually works. You've likely heard about things like IP address, ethernet, DNS servers, or similar terms. They often come up when you try to diagnose internet problems on your home network. Though, this time…
Category : Networking 09-05-2020 by Luigi Nori
What is Google My Business and how does it help my local business?
Google My Business is increasingly present in the digital marketing strategies of companies, and this Google tool provides us with various options to better position our business in the search engine. Through the creation of a business file we can work on the SEO of our brand. Google My Business mixes the…
Category : Web marketing 02-05-2020 by Luigi Nori
Online Marketing Strategies for your Ecommerce
The impetus and desire we have to launch our online store can be counterproductive if we have not defined a pre-launch strategy. If we are determined to launch our ecommerce without having stopped to think if we are doing it right, there is a good chance that we will fail. That…
Category : Web marketing 20-04-2023 by Silvia Mazzetta
How to Install Node.js and NPM on Ubuntu 18.04
Node.js is a JavaScript platform for general programming that allows users to create network applications quickly. By leveraging JavaScript in both frontend and backend, Node.js makes development more uniform and integrated. Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. runtime for easily building fast, scalable network applications. In this…
Category : Development 24-04-2020 by Luigi Nori
How to find everything you need on the Deep Web and the Dark Web
How to find everything you need on the Deep Web and the Dark Web Best links, sites, markets what you can find on the Deep Web The Deep Web is also known as the Deep Internet is a sort of layer of content that is not indexed by the search engines…
Category : Security 10-05-2021 by Silvia Mazzetta
How to enable DoH in Chrome, Firefox, and Edge to prevent your ISP from knowing which sites you visit
Maybe you haven't heard of DoH, the new security standard in Firefox, Chrome and other browsers that prevents your Internet provider from spying on the sites you visit. Let's see what DoH is, and how you can activate it in Firefox, Edge or Chrome. Everyone accesses the Internet through the servers…
Category : Security 02-03-2020 by Silvia Mazzetta
There are 470,000 WhatsApp groups indexed on Google and Facebook says it's not his fault
Want to find new WhatsApp groups? Google it. Reporter Jordan Wildon has discovered hundreds of thousands of private groups through the search engine thanks to public invitation links. Not all were created with the intention that anyone could join them after a simple search. As a Facebook spokesperson explained to Motherboard, administrators…
Category : News and events 22-02-2020 by Janeth Kent
7 Step Guide to Writing for SEO
SEO optimization is constantly evolving, and it doesn’t include only writing and SEO-friendly blog post. Some of the requirements are a mobile-friendly website, fast loading time, and support for Google crawlers. Let’s say you’ve got that covered. Then It’s time to turn to SEO writing was in the last couple of…
Category : Seo & sem 06-04-2020 by Silvia Mazzetta
Best Web Proxies for Safer and Anonymous Surfing
Privacy is increasingly demanded in the context of global society. Contributing to this are the notorious cases of massive infiltration and security breaches that have ended up filtering users' private data. But there is also a widespread suspicion that someone is "watching" everything we do. For that reason, the use…
Category : Security 11-01-2020 by Silvia Mazzetta
How to Stay Safe When Shopping Online
It can seem that not a day goes by when we don’t hear of some new hacking case or people who have had their sensitive date compromised via the internet. It’s true that cybercriminals are always coming up with new strategies to attempt to steal either money or information, but…
Category : News and events 08-01-2020 by Silvia Mazzetta
Java Sorting Algorithms: Merge Sort
Today we are going to analyze one of the most used sorting algorithms: the Merge Sort. It is part of the Divide and Conquer family, just like the Quick Sort. Merge Sort offers a better performance despite of the Quick Sort since its complexity remains O(n log n) keeping performances. It is also called "algorithm by fusion" The main defect of the Merge…
Category : Java 14-12-2019 by Alessio Mungelli
The best Internet search engines used by hackers
Today, many users wonder what tools hackers use to look for different vulnerabilities on devices that are connected to the Internet. Normally, everyone uses specific tools, but there are search engines that are specifically designed for security researchers. Although many users think that a hacker is a hacker, the reality is…
Category : Security 07-01-2021 by Silvia Mazzetta
10 Open source tools for security operations (SOC)
As we know, there are many moving parts to building a Security Operations Centre (SOC). From a technological point of view, it is very important to count on open source to identify threats and reduce costs. From a DiD (Defense in Depth) point of view, there are many devices and…
Category : Security 29-11-2019 by Janeth Kent
Java Design Pattern: Factory Method Pattern
Going on with the speach about design patterns started previously, we are going to talk about another pattern often used: the Factory Method Pattern. The GoF (Gang of Four Design Patterns) defines it in this way: It defines an interface to create objects, but leaves to the subclasses the decision about the…
Category : Java 05-11-2019 by Alessio Mungelli
Vanilla JavaScript equivalent commands to JQuery
JQuery is still a useful and pragmatic library, but chances are increasingly that you’re not dependent on using it in your projects to accomplish basic tasks like selecting elements, styling them, animating them, and fetching data—things that jQuery was great at. With broad browser support of ES6 (over 96% at…
Category : Javascript 29-08-2019 by Luigi Nori
The best open source javascript template engines
Today we want to publish a resource that can generate an instant boost in your workflow, here we have a list of the Best JavaScript template engines to choose from, and each of them could make your development faster and easier. When you build a JavaScript application, you'll almost certainly use…
Category : Javascript 07-08-2019 by Janeth Kent
Google Search hacks to Use Google More Efficiently
Modern folks have grown up with having all the world's data at their fingertips with super mobile phones glued to our palms. Or it's what we've always believed. Sometimes the incredible amount of information in a Google search result can actually stop us from finding out what we need. We…
Category : Software 24-07-2019 by Janeth Kent
Must-Have htaccess Tips for you to Avoid Duplicate Content on Your Site
In order to be able to implement these tips it is necessary that your Apache server already has the mod_rewrite module activated. mod_rewrite and .htaccess are used together so that your site has the possibility to present semantic and public friendly URLs. In the past it was more common to find…
Category : Servers 25-03-2020 by Luigi Nori
How to use to Chrome Lighthouse
How would you like to perform a fast SEO audit with a Chrome browser-based instrument? With the Lighthouse extension, you can do that. If you're not acquainted with Lighthouse, it's an open-source tool used by experts to verify their website's health. It analyzes everything from best practices to performance to accessibility. As…
Category : Seo & sem 14-06-2019 by Janeth Kent
10 Collaborative Coding Tools for Remote Pair Programming
The days of lonesome coding are long gone since the development of pair programming. It is a technique where two software developers share a keyboard and collaboratively work together. The two developers take turns and continually switch roles in writing code: one being the Driver, whose job is to write…
Category : Development 02-03-2020 by Janeth Kent
Nofollow and dofollow links, How and when to use?
Within any website the links are an element that brings dynamism to the experience of navigating through the different sections that make it up allowing us to go from one content to another quickly. However, it is necessary to take into account that Google, as well as other search engines will…
Category : Seo & sem 19-05-2019 by Janeth Kent
The Bible of the Best Node.Js Frameworks
Node.js is the platform built on chrome’s javascript runtime for easily building fast, scalable network applications. It uses an event-driven non-blocking IO modal that makes it lightweight and efficient. node.js is perfect for data-intensive real-time applications that run across distributed devices. Node.js frameworks can help to streamline the development of web…
Category : Javascript 09-05-2019 by Janeth Kent
Features you will get in EaseUS data recovery software
The EaseUS Data Recovery Software is data recovery software helps users in the data recovery process. There are paid and free software versions for MacOS and Windows. When the data is removed from the storage devices, references to data are removed from the directory structure. This space can be used…
Category : Software 25-06-2019 by Janeth Kent
Starting with Vue.js: how about using it?
Vue.js seems to be another JavaScript UI library with a strong community support. If you've got a project coming up and you're wondering which tool to choose from, you can try Vue. View is very easy to learn and in just 10 minutes you can get started with it (actually…
Category : Javascript 06-04-2020 by Janeth Kent
Core features overview of JavaScript syntax (ES6)
Several changes to JavaScript were introduced by ECMAScript 2015, also well-known as ES6. Here is a summary of a number of the foremost common options and syntactic variations, where applicable, with comparisons to ES5. Variables and constant comparison In the following table, we provide a brief overview of the concepts of scope…
Category : Javascript 11-05-2020 by Janeth Kent
Tools to build PWA quickly
For quite some time now, UX has been the focus of modern web development. Several factors affect this, including page load speed, usability, scalability, and design. But now more customers prefer mobile web browsing over desktop browsing, any website— whether a niche blog or an e-commerce store — should begin…
Category : Programming 02-03-2019 by Janeth Kent
Vue.js: a quick start guide for beginners. Part 3
Welcome here again! Last time we didn't listen to our very first user events and and methods to react to these events. Now we are going to explain directives and conditional rendering. if-else Regardless of the framework, one of the most important tools under any programmer's belt is conditional rendering. Depending on…
Category : Javascript 25-02-2019 by Janeth Kent
Best 5 Frontend Development Topics in 2019
Ah, a new year. A time of positivity, a time to restart. For new objectives and proposals. And in the world of developers, to look at the scenery and decide what we need to learn to keep up. Because let's face it-web development is always changing, and we're falling behind…
Category : Programming 18-02-2019 by Janeth Kent
The Meaning of Colors in web Design. A little bit of psychology
Color psychology is one of the most talked about and interesting parts of psychology. The idea that some colors evoke feelings and emotions. In fact, this color helps buy the most attractive product. You invest a great deal of time and money to create a convincing website design to increase…
Category : Web design 05-08-2019 by Janeth Kent
Working with JSON in JavaScript
JSON is short for JavaScript Object Notation and an easy - to - access way to store information. In short, it gives us a collection of human - readable data that we can access in a very logical way. In addition to RSS feeds, any sites now share data using JSON,…
Category : Javascript 08-04-2020 by Janeth Kent
Node.js Course in 90 Minutes
Node.js can be defined as a Google Chrome JavaScript V8 engine based on a dynamic, cross-platform and open-source JavaScript framework or runtime environment. Node.js was initially implemented as a client-side scripting language, developed by Ryan Dahl in 2009. JavaScript code and scripts running on the server side are now used…
Category : Javascript 08-02-2019 by Janeth Kent
How to build a basic PWA with HTML and Javascript
Looking at the web for a basic PWA online training exercise, everything I found was just too confused or required libraries/system/stage or another. If we need to learn another innovation, we would preferably not get derailed with redundant subtleties ... We have indeed composed a basic introductory exercise to draw from different…
Category : Javascript 10-04-2020 by Janeth Kent
JavaScript Basis: Syntax & Structure
Programming languages are defined by rules. The syntax is what we follow when we write our code, which forms the logical structure of our programs. Let's dive right into the basic components of JavaScript. We will look at values, unicode, semi-colon, indentation, white spacing, commentary, case sensitivity, keywords..ect. By taking the time…
Category : Javascript 07-02-2019 by Janeth Kent
A Guide to the new Google Search Console
Google Search Console, before known as Webmaster Tools, is a decisive tool created to easily track the performance of your website, but also to improve its visibility and usability. Over the last year, the new Search Console has been growing and growing...Now you're wondering how to use the new Google…
Category : Seo & sem 29-01-2019 by Janeth Kent
How to Record a Streaming Video
Nowadays, online video streaming sites provide a lot of good TV shows that can be watched for free. You like to watch movies from your favourite video streaming site, but you just couldn't find the time to watch them online. For example, you need to go to work and you…
Category : Multimedia 23-08-2019 by Janeth Kent
Fullscreen Background Video HTML5 And CSS cross-browser
Full-screen Background Video is a way to present your website playing a video in the background without disturbing its content. It makes your website very modern and different. So, in this tutorial we will show you how to add fullscreen background video using only HTML5 and CSS and make it…
Category : Web design 10-05-2020 by Silvia Mazzetta
Vuejs and GDPR : how to be compliant with new EU regulations
Dear Vue's users, we know you're battling with GDPR compliance: but it can be quite simple if you use vue-analytics, on the grounds that there are two or three highlights here that can enable you to deal with the European Union's General Data Protection Regulation prerequisites. Suppose we have this situation…
Category : Javascript 21-09-2018 by Janeth Kent
CSS Shapes: how to create non-rectangular shapes (part 1)
CSS Shapes (Level 1) has been accessible in Chrome and Safari for various years, be that as it may, this week it sends in a creation form of Firefox with the arrival of Firefox 62 — alongside an exceptionally pleasant expansion to the Firefox DevTools to enable us to work…
Category : Css 17-09-2018 by Janeth Kent
How to Set up a Fully Functional Mail Server on Ubuntu 16.04 with iRedMail
Setting up your own mail server from scratch on Linux is complex and tedious, until you meet iRedMail. This tutorial is going to show you how you can easily and quickly set up a full-fledged mail server on Ubuntu 16.04 with iRedMail under 30 minutes. What is iRedMail? iRedMail is a shell…
Category : Networking 30-03-2023 by Janeth Kent
Useful Terminal Commands Every Web Developer Should Know About
The command line interface (CLI), or Terminal is considered by many to be the Holy Grail of computer management. At one time the CLI was the only way to accomplish anything on a computer; then, the CLI gave way to the graphical user interface (GUI) as the popularity of PCs…
Category : Operating systems 22-06-2018 by Janeth Kent
Useful jQuery code snippets for responsive websites
When you have to manage a web project, jQuery can be of great help. In this article, we have compiled some jQuery tips and tricks for making and enhancing responsive sites. Detect viewport size CSS media-queries allow you to detect the viewport size and apply different CSS style to elements depending on…
Category : Javascript 21-06-2018 by Janeth Kent
Send Push Notification to Users Using Firebase Messaging Service in PHP
Today I will show you how to send unlimited free push notifications to your clients using Firebase Cloud Messaging (FCM) in your PHP web application. Push Notifications are clickable messages that come from a website. They are used to show notifications outside the web page context even if the user is not browsing…
Category : Php 14-05-2018 by Janeth Kent
ArangoDB, install and configure the popular Database in ubuntu 16.04
Introduction to ArangoDb, open source, NoSQL, multi-model database BigData seems to be getting stronger every day and more and more NoSQL databases are coming out to the market, all trying to position themselves in the lead to be the reference. This week I tried ArangoDB! Another NoSQL database? Today I'm going to…
Category : Databases 14-11-2017 by Janeth Kent
How JSON data types work in mysql
First introduced in MySQL 5.7.8, the JSON data type is a specialized binary column type, similar to a blob , but with added machinery to optimize the storage and retrieval of values from a column typed as json . Javascript Object Notation or more commonly known as JSON, is a modern…
Category : Databases 30-09-2019 by
Useful technical SEO checklist for developers
Let's start from the beginning. What is SEO? When we talk about SEO we are talking about Search Engine Optimisation: we are talking about the organic positioning of a web page in search results. And when we say organic positioning we mean unpaid positioning. SEO is a discipline, strategy or set…
Category : Seo & sem 15-05-2023 by Janeth Kent
How to Configure the Mod_Security Core Ruleset in Ubuntu
ModSecurity is a Web Application Firewall, a program that can be used to inspect information as it passes through your web server, intercepting malicious requests before they are processed by your web application. This tutorial will show you how to install ModSecurity on Apache, and configure it with some sensible rules provided…
Category : Servers 04-03-2017 by Janeth Kent
Fetch API, an amazing replacement of XMLHttpRequest AJAX
When AJAX came to the modern web, it changed the definition of how web works. We all are using ajax for a long time but not with Fetch API. To load a new content in a web page, we do not need a full page reload. Using AJAX, we can…
Category : Programming 19-02-2017 by Janeth Kent
How to Install Syncthing on Ubuntu 16.04
This tutorial shows how to install Syncthing on Ubuntu 16.04 Desktop LTS Xenial Xerus. Syncthing is a free continuous file synchronization tool that lets you synchronize your files across desktops, tablets, mobile phones or even servers. It’s an open source alternative to the popular BitTorrent Sync (aka btsync) application. The creation,…
Category : Networking 17-02-2017 by Janeth Kent
How to install and setup Varnish in Ubuntu 16.04
One of the problems with running a site with many users is that the constant requests for dynamic content can really bog down a web server. In order to solve this problem, many big companies turn to a tool called Varnish. It’s an HTTP accelerator that caches both static and…
Category : Networking 02-01-2017 by Janeth Kent
Install Apache, MariaDB and PHP7 on Ubuntu 16.04
Ubuntu 16.04 LTS Xenial Xerus comes with PHP7 by default so you don’t have to rely on third-party PPA to get PHP7 installed. In this tutorial, we are going to look at how to install Apache, MariaDB and PHP7 (LAMP stack) on Ubuntu 16.04 LTS Xenial Xerus. Update: This tutorial is…
Category : Servers 18-11-2016 by Janeth Kent
Ubuntu servers security: 25 security tools to armor your system
The Ubuntu repositories contain several useful tools for maintaining a secure network and network administration.This security tools include network scanning,attack detection,Virus Detection etc. 1) Wireshark -- network traffic analyzer Wireshark is a network traffic analyzer, or "sniffer", for Unix and Unix-like operating systems. It is used for network troubleshooting, analysis, software and…
Category : Servers 14-09-2016 by Janeth Kent
Install Syncthing on Ubuntu 16.04 using Debian Repository
Syncthing is a free continuous file synchronization tool that lets you synchronize your files across desktops, tablets, servers. It’s an open source alternative to the popular BitTorrent Sync (aka btsync) application. The creation, modification or deletion of files on one machine will automatically be replicated to your other devices. Syncthing…
Category : Servers 19-08-2016 by Janeth Kent
SQLMAP installation and usage in Ubuntu and Kali linux
Let's talk about the penetration testing using one of the KALI linux tool called SQLMAP. What is SQLMAP? sqlmap is an open source penetration testing tool that automates the process of detecting and exploiting SQL injection flaws and taking over of database servers. It is a open source tool to use sql injection…
Category : Security 13-08-2016 by Janeth Kent
PHP7: Install PHP7 with NGINX and MEMCACHE in Ubuntu 14.04
Let's install PHP7 and Nginx on a new Ubuntu 14.04 server, and manually build the (not yet packaged) memcached module for PHP7. Command Rundown Update: It looks like the php-memcached package was built into ppa:ondrej/php-php7.0 for php7, so the manual build steps is probably not necessary any longer! Install it via the…
Category : Servers 05-12-2018 by
What is a DDOS attack and tools used
A DOS attack is an attempt to make a system or server unavailable for legitimate users and, finally, to take the service down. This is achieved by flooding the server’s request queue with fake requests. After this, server will not be able to handle the requests of legitimate users. The denial…
Category : Security 04-05-2021 by Janeth Kent
Install HHVM + Nginx on Ubuntu 14.04
The LEMHH software stack is a group of software that can be used to serve dynamic web pages and web applications. This is an acronym that describes a Linux operating system, with an Nginx web server. The backend data is stored in MySQL and the dynamic processing is handled by…
Category : Networking 12-05-2017 by Janeth Kent
PHP7: Guide and References to all the changes between version 5.x and 7 of PHP
PHP 7 was released on December 3rd, 2015. It comes with a number of new features, changes, and backwards compatibility breakages that are outlined below. Performance Features Combined Comparison Operator Null Coalesce Operator Scalar Type Declarations Return Type Declarations Anonymous Classes Unicode Codepoint Escape Syntax Closure call() Method Filtered unserialize() IntlChar Class Expectations Group use Declarations Generator Return Expressions Generator Delegation Integer Division with intdiv() session_start() Options preg_replace_callback_array() Function CSPRNG Functions Support…
Category : Php 27-12-2015 by Janeth Kent
How To Install PHP7 On The Main OS's
Installing PHP 7.0.0 is easier than ever. Here are instructions for installing the latest version on different platforms: First step: Uninstall PHP 5.x If you already have PHP 5.x installed you may encounter conflicts. Make sure to completely remove PHP 5.x from your system before installing php 7. Ubuntu 14.04, 15.04, and…
Category : Operating systems 13-03-2016 by Janeth Kent
How to Configure Cloudflare Flexible SSL with WordPress website
This article is part of a serie of articles about Wordpress optimization with Cloudflare and some kinds of servers, if you want to understand well read these articles before: Speed up your site and protect it against DDOS attacks with CloudFlare Million of visitors per day with a super cheap php mysql…
Category : Servers 03-12-2015 by Janeth Kent
Google ranking factors: user behaviors that make the difference in SEO
Google has never said that searchers' behavior is a ranking factor. But companies over the years have discussed this, most notably when Amit Singhal told the Wall Street Journal that Google had tweaked its algorithms. He said, "How users interact with a site is one of those signals." Google's patents provides other evidences:…
Category : Seo & sem 01-12-2015 by Janeth Kent