Technical matters

HTTP 400: Bad Request explained

Internet users are often confronted with error messages. HTTP status codes can be especially annoying, and even more so if you don’t understand what they mean. The message 'HTTP 400 – Bad Request' is a mystery for many internet users, but luckily it can be solved in most cases. We explain what the error message means and how to fix the error. [...]  

Error 502 Bad Gateway: Where’s the problem?

HTTP status codes emerge when something isn’t running properly on the internet. In this respect, the 502 Bad Gateway error is no exception. But this familiar error message can be particularly tricky: It’s not actually clear where the source of the problem lies. In the chain of gateways along which internet requests run, the error could occur at a number of different points. This article explains where internet users and webmasters can start their search for the source of the error. [...]  

HTTP 503 (Service Unavailable): meaning and troubleshooting

It’s very likely that you’ve stumbled on the 'HTTP Error 503 The service is unavailable' notification or something similar during your daily browsing. The error message appears whenever a web server can’t display the website that the user is trying to access. There are many reasons for these notifications, just as there are many solutions. It’s your responsibility as the website operator to rectify the problem. [...]  

HTTP 504 (Gateway Timeout): How to fix an error 504

If the error message ‘HTTP 504 Gateway Timeout’ appears when you attempt to open a website, it means that the allowed time for responding to browser queries has been exceeded. A lot of the time the culprit is not the web server itself, but instead some other component of the server, i.e. a gateway, which is integral to the path of communication. What does 504 gateway timeout mean? How can you fix the problem as a browser user or as a website operator? This and more can be read in our digital guide. [...]  

SSL stripping: Basics and protection options

Data transmission via SSL/TLS is one of the most effective means to give a web project more security. Even before packets are sent, powerful algorithms ensure the encryption of the information. If third parties capture the data on the transmission path, the true content remains hidden from them. However, it becomes problematic if attackers are active with their tools, even before the encryption process has begun. This is the case with so called SSL stripping. [...]  

403 Forbidden: What does the http status code mean and how do you fix it?

Is your browser displaying an http error 403 instead of the web page you requested? This means that the web server has not granted you access to that page. The reason for this differs from case to case; sometimes the website operator as secured this area from being accessed but sometimes it’s simply a case of adjusting your browser settings. This article outlines the various causes of the http status code 403 and explains what you can do to fix it. [...]  

HTTP/2 – how the new version optimizes data transfer online

HTTP/2 has been released and is the official successor of the internet protocol HTTP/1.1. It is already compatible with many current web browsers and servers. Up to this point, many of the bigger website operators have switched to using the new transfer protocol. But what lies behind the Hyper Transfer Protocol and what are the advantages of the new version? [...]  

What is a rewrite engine?

A rewrite engine is a component of the web server software that allows website operators to internally rewrite URLs or to redirect them to external URLs. The most popular rewrite engine is mod_rewrite for the Apache HTTP server, but other web servers also offer similar functions. We show you how URL rewriting works in different web servers. [...]  

The search for the best browser

Google Chrome, Mozilla Firefox, Apple Safari, Opera, or good old Internet Explorer? The debate about which web browser is number one has been going on for years among the internet community. But what is a browser exactly? And is there one in particular that can trump the competition and truly be the best browser? [...]  

Host: how to find out which provider is most suitable for your project

If you want to release a new web project today, you need to find the right host. Hosts have become a popular alternative for large companies, since they enable convenient outsourcing of certain work areas or data, saving company resources. But how do you know which host and which hosting package best meets your needs? And why is the provider’s security concept such a crucial criterion nowadays? [...]