Web Development

Have you just come across a page announcing the message “403 Forbidden” or “403: Access denied” or “403 Forbidden – NGINX”? Let’s explain it all. What does a 403 error mean? 403 error = server understood your request but refuses to execute it. The HTTP 403 error code is a code returned by the server to the client (your browser) when the client requests a page, a resource, … When all goes well, the server returns code 200. When the requested page displays the message “Error 403 Forbidden” or one of its variants, the server signals that it has understood the request but does not wish to respond. That is, it will not return the requested web page, file or resource. In contrast to the 404 error and or the 410 error which correspond to a problem on the server, the 403 error is not really an error but information:…

Similar to the 504 Gateway timeout error, the 502 bad Gateway error code indicates a problem on the web server side. There are several reasons why such an error message may appear. It can be due to : an overloaded web server;a navigation problem;an error in our browser. We have…

504 gateway timeout is an error whose resolution is often beyond the reach of the website visitor. It is indeed a server error. Whatever the case, visitor or administrator, we must know how to react to such a trouble. There are several reasons why the server may be experiencing a…

You have just finished creating your WordPress blog or website. Now you just need to make it look good with a good theme. The best place where you can find satisfaction is ThemeForest. This marketplace founded by Envato offers the best possible themes for all types of businesses. Learn more…

Formidable Form is a freemium plugin to build simple or complex forms on the WordPress CMS. It has a lot of cool features allowing to build the form you need. But sometimes, you need more. The problem We stumble upon this problem with a multi step form by wanting to:…

The Open Graph protocol has been created by Facebook around 2010. The development has since been given to the Open Web Foundation. What is Facebook Open Graph? The Open Graph (og) protocol aims to optimize the content of a web page for sharing purposes on the main social networks…

Ctrl F5 (or Ctrl + F5) reloads the current page including the browser cache. It’s called Hard reload. It means that the browser will not use the current cache but will be forced to download again all the files (js files, images, scripts, …). You will have the most fresh…

Shift F5 (or Shift + F5) allows to reload the whole current web page, including the browser cache. When you only use F5 to refresh the web page, the browser uses the cache. With Shift F5, you force the browser to reload completely the page and to download again…

The 503 error on Youtube corresponds to an HTTP response code returned by the server where the Youtube video you wanted to see is hosted. 503 Server Error: Service Unavaible Why does a 503 error occur on Youtube? When you click on a link to access a web page…

XML-RPC allows communication between WordPress and other systems. Present since the beginning of WordPress, it has been used among others for exchanges with the mobile application, with other blogging platforms or the all-in-one plugin JetPack. The REST API has replaced the XML-RPC. The latter is therefore no longer useful and…

Almost all modern browsers have built-in development tools that are compatible with JavaScript and other popular web technologies. Among these tools is the Console that has an interface similar to that of a shell. It comprises the ability to inspect the DOM, analyze the network activity and, debug any error…

Almost all modern browsers have built-in development tools that are compatible with JavaScript and other popular web technologies. Among these tools is the Console that has an interface similar to that of a shell. It comprises the ability to inspect the DOM, analyze the network activity and, debug any error…

If you are like me, as soon as a web page loads badly, I become a compulsive refresh user by pressing F5 or Shift F5 (Ctrl FR or Ctrl+r or Ctrl+Shift+r). But what is the difference between these 2 actions? What happens in the browser when you do either combination,…

Bid farewell to Microsoft Explorer’s View Source element, well nearly. For those of us who do a ton of web development, there has consistently been a requirement for a tool to look at the structure of documents we’re working on, presenting Microsoft Internet Explorer Developer Toolbar. Internet Explorer didn’t have…

All you Need to Know about Headless Chrome The Headless mode is a feature which allows the execution of a full version of the Chrome Browser. It provides the ability to control Chrome via external programs. The headless mode can run on servers without the need for dedicated display or…

Facebook provides tools for developers to improve their websites and applications. One of the most popular free tools they offered is the Open Graph Facebook share debugger, or Open Graph Tags debugger, og tags debugger or even Facebook Share Debugger, because it is used to analyze and view all the…

When creating a website or application, it is very common to run into bugs of all sorts. One of the most appreciated features of browsers these days is the provision of debugging tools. Whether you’re using Google Chrome, Firefox, or good ole fashion Internet Explorer, a debugging feature often referred…

The process of debugging is quite tedious and tiring. The skill of debugging should be mastered by every developer. The code is always prone to errors since it is written by humans not machines. We can not totally eliminate the bugs but can deal with an error in a graceful…