Relational databases

The relational database model

With relational database systems, you use tables to store and manage information. This sounds simple but involves quite complex concepts such as normal forms, key relationships, and JOINs. This article will introduce the basics of the relational database model, compare its advantages and disadvantages, and delimit this type of data storage from alternative approaches, like object databases,...

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 website, which will also have an effect on the search engine ranking.

How HTTP/2 optimizes the World Wide Web

HTTP/2 – how the new version optimises 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 most of the 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?

Chrome Updates

What is Chrome 68?

Early next month, Chrome 68 will be launched and the new browser will distrust all webpages that do not have HTTPS encryption as “not secure”. This is a big step in the recent trend towards emphasising user safety on the internet, a not entirely selfless strategy from Google. In this guide, we will explain what changes will be made, why they are happening, and how you can prepare your website...

What is shared hosting?

What is shared hosting?

Shared hosting is a comfortable and affordable solution for managing websites online. We’ve answered some basic questions regarding shared hosting’s definition, laid out some of its pros and cons, and highlighted what it is that makes this web hosting model different from alternative solutions, like setting up private servers or opting for a free hosting provider.

In-memory databases

In-memory databases: the storage of big data

In-memory databases enable big data to be analysed and made available in real time. The quick access speeds are made possible by storing the data on the working memory – hence the name in-memory database. Traditional databases, on the other hand, are based on the method of storing data on the hard disk. How do in-memory databases differ from traditional database systems? And what are the go-to...

ERR_SSL_PROTOCOL_ERROR: the best solutions

ERR_SSL_PROTOCOL_ERROR: how to fix the Chrome bug

Chrome is the world’s most widely-used internet browser. The application scores points not only when it comes to security and speed, but also with its features such as cross-device synchronisation of user data. But errors can occur even when surfing with Google’s wonder weapon. These can lead to the browser crashing or prevent certain pages from being accessed. The error message...

.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 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 analysed by the respective website operator, meaning...


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