HTTP

HTTP 403 Forbidden | What is Error 403 and how do I fix it?

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...

401 error: What can you do about it?

Error 401: Unauthorized – No access to the website

You’re surfing around on the internet, but instead of getting the desired content you only receive an error message: annoying or even downright frustrating. Especially if you don’t exactly know what the status is supposed to mean. How are you expected to solve the problem, if you don’t know what’s causing it? This also goes for the error 401. Here we explain what the error means and what you can...

Error 522: Explanation and solutions

Error 522 – 'Connection timed out': How to fix the error

52- HTTP error messages indicate a problem between the web server that is running a website and the Cloudflare CDN service. The 522 error is very common and is also known as the 'Cloudflare error'. It is displayed in the visitor’s browser whenever the mandatory TCP handshake fails. This guide explains the reason for this error message and what solutions there are for site operators and visitors....

The most important HTTP status codes at a glance

HTTP status codes and their meaning

404, 302, 503 – short number combinations with great significance. Users encounter server status reports time and time again and if you know how to interpret them you can act accordingly. Knowledge of HTTP codes is even more relevant for website owners. With the right know-how you can vastly improve user experience on your homepage, which will have an effect on the search engine ranking.

How HTTP/2 optimizes the World Wide Web

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?

.htaccess tricks

10 .htaccess tricks that everyone should know.

Are you the webmaster of an Apache server? Then you should definitely use .htaccess. This text-based configuration file is an easy outlet for changing server settings. Once you know how to create a file and use a few .htaccess tricks, you can begin configuring your sever.

What are third-party cookies?

What are third-party cookies?

Anyone who encounters personalized advertising on the internet might at first find it odd. How does the internet know that I am interested in going on vacation? Most users leave clear footprints on the net that can be used to create virtual “user profiles”. Third party cookies placed by advertisers are responsible for this. But how do they work, can you have a say in the use of cookies, and what...

What are first-party cookies?

What are first-party cookies?

When it comes to cookies, the small text files for internet browsers, a distinction must be made between first-party cookies and third-party cookies. First-party cookies improve a website’s user-friendliness by storing user preferences as well as information that has already been entered so that it can be used later on. These cookies can only be analyzed by the respective website operator, meaning...

HTTP 503: how to fix website errors

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...

Server Name Indication

Server Name Indication (SNI): What’s behind the standard?

What is server name identification, really? Encryption technologies play a big role when it comes to surfing on the net. Credit card data and other personal information must not fall into the hands of criminals. For now, TLS is one of the protocols used for this purpose. But it has a disadvantage: it only functions when each IP address only hosts one domain. If multiple virtual services are...


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