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...
How often have you stumbled upon a dead end while surfing the net? HTTP 404 error pages are commonplace online to inform users that the requested page isn’t available. As well as being annoying for visitors, they spell bad news for website owners since a dead link may have a bad influence on a website’s search engine ranking. In this article, we’ll demonstrate the importance of 404 pages and...
Error messages when surfing the net are a nuisance for everyone involved, but especially for those who have to find out what the problem is. The search for a solution can be particularly tedious if the status code message barely provides any information on the source of the error. The HTTP error 500 (“Internal Server Error”) is a collective status code. We give you tips on where errors could have...
Operating systems, such as Windows or macOS, automatically save information about address resolution from systems and applications in the network in a DNS cache. The purpose of this practical cache is to speed up network traffic. Read on to find out why it’s useful to regularly clear the DNS cache and how exactly such a DNS flush works.
Should a website be rendered by the server or only in the browser? This fundamental question about integrating scripts on the web depends on the project. Static site generation even offers a third approach to rendering. We have summarized the features, advantages, and disadvantages of server side rendering, client side rendering, and static site projects.
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 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...
HTTP is indispensable as a mediator between the browser and web server: Both communicate with each other using the transmission protocol on the application layer by sending various types of messages. With an HTTP request, for example, the browser can request a resource or return its own data to the server. If one of these HTTP methods doesn’t work, error 405 (Method Not Allowed) occurs. But what...
The topic of data security is becoming increasingly important for both private users as well as in the business world. As a website owner, you should take all the necessary precautions to ensure that a visit to your site is as secure as possible. Converting your site from HTTP to HTTPS or SSL is an important first step to securing your website and gaining your customers’ trust.
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...
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