In-memory databases
In-memory databases: the storage of big data
  • Technical matters

In-memory databases enable big data to be analyzed 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...

In-memory databases: the storage of big data
ERR_CONNECTION_CLOSED
ERR_CONNECTION_CLOSED: How to fix the connection error
  • Technical matters

If Chrome displays the message "ERR_CONNECTION_CLOSED" instead of the website you want to access, it means that the contacted server has interrupted the connection. Reloading the URL is often not enough to fix the problem. Unfortunately, determining the source of the error is anything but a simple task. To fix the "ERR_CONNECTION_CLOSED" error, you need a good amount of patience.

ERR_CONNECTION_CLOSED: How to fix the connection error
ERR_SSL_PROTOCOL_ERROR: the best solutions
ERR_SSL_PROTOCOL_ERROR: how to fix the Chrome bug
  • Technical matters

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 synchronization 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...

ERR_SSL_PROTOCOL_ERROR: how to fix the Chrome bug
.htaccess tricks
10 .htaccess tricks that everyone should know.
  • Technical matters

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.

10 .htaccess tricks that everyone should know.
Web analysis with Matomo
Piwik in the WordPress dashboard: Web analysis directly in the CMS
  • Blogs

As an operator of an internet site, you will, of course, be interested in tailoring your website to the needs of your users in as much detail as possible. To be able to do this, it’s helpful to find out as much as you can about the behavior of your visitors. Web analytics programs make this possible. Many people have only heard of Google Analytics and don’t know about the advantages that other web...

Piwik in the WordPress dashboard: Web analysis directly in the CMS
A New Way to WordPress: Things to Know About Gutenberg
A New Way to WordPress: 4 Things to Know About Gutenberg
  • CMS

As the launch of WordPress 5.0 approaches, website owners and developers are raising questions about the new Gutenberg plugin. In four easy points, this article provides a detailed overview of the usability, new features and technicalities of WordPress’ Gutenberg plugin, read on to find out more about this exciting update.

A New Way to WordPress: 4 Things to Know About Gutenberg
Database normalization
Less redundancy thanks to database normalization
  • Technical matters

Redundancies occur when various details are combined in a single database table. These redundancies use up storage capacity and prevent efficient data processing. The relational database model offers strategies for splitting datasets among several linked tables, in a process called database normalization. Find out what it’s all about with practical examples.

Less redundancy thanks to database normalization
SQL OUTER JOIN
SQL OUTER JOIN
  • Technical matters

OUTER JOINs are queries that take place across several database tables. There are LEFT OUTER JOINs, RIGHT OUTER JOINs and FULL OUTER JOINs. Each of these JOIN types has a larger result set than the INNER JOIN. But what exactly is the difference between the individual types? Here, we will distinguish OUTER JOINs from INNER JOINs, compare the different subtypes of OUTER JOINs and explain how they...

SQL OUTER JOIN
SQL JOIN
SQL JOIN – queries across multiple data tables
  • Technical matters

A major strength of the relational database model is that information is stored in separate database tables structured according to semantic relationships. This concept, known as normalization, is the basis for data storage that is as redundancy-free as possible, but requires a mechanism with which data from different tables can be merged for queries. The different JOIN types provide users with...

SQL JOIN – queries across multiple data tables
Dereferrer | anonymizing links made easy
Anonymizing links – advantages and disadvantages of dereferrer
  • Technical matters

Privacy is one of the most important aspects of the Internet. Whoever wants to protect themselves will hopefully begin with one of the most basic elements of the World Wide Web: the hyperlink. References from one webpage to the other usually lead in one direction only – information exchange via HTTP, however, takes place in both directions. To prevent this from occurring, Internet users used to...

Anonymizing links – advantages and disadvantages of dereferrer

Hosting

The IONOS Web Hosting Guide: advice for website administration

Hosting an internet presence (web hosting) is getting easier and easier thanks to the variety of tools and increasingly user-friendly content management systems. But it’s still good to familiarize yourself with the finer points of online service administration: and this is where our Web Hosting Guide comes in. In our Digital Guide to hosting, you’ll find in-depth information and recommendations on programs, tools, plugins as well as general hosting tips. These useful articles are designed for all levels, from beginners to professional users: with relevant content and comprehensive detail, the IONOS Web Hosting Guide offers expert knowledge to a broad readership.

CMS, blogs, and technical matters

The ‘Hosting’ category is one of six sections of the IONOS Digital Guide. This is then split into three further subcategories: ‘CMS’, ‘Blogs’, and ‘Technical matters’. The first of these is devoted to content management systems, looking at the considerable number of options available for website creation and administration. The ‘Blogs’ subcategory offers advice and guidance on the establishment and operation of a successful weblog. Here, we also introduce the many extensions and tweaks available for the most widely used blogging and CMS application of all – WordPress. Our final section focuses on information and tips on ‘Technical matters’. This subcategory explores the different sorts of web hosting, the various programs which lighten your web hosting workload, new hosting opportunities, and everything else you need to know about the administration of internet resources.

From beginner to expert: hosting tips for every ability

Our Web Hosting Guide isn’t just for checking basic requirements and techniques of site administration – trained professionals can also expand upon their existing knowledge by reading our articles. Articles like ‘What is shared hosting?’ or our ‘Blog with success’ series are suitable for readers who are new to web hosting, whereas specific posts like ‘Indexing management with robots.txt’ or ‘The top ten .htaccess tricks’ require prior knowledge and experience. This variety makes our Web Hosting Guide attractive and accessible for anyone interested in website administration. Whether you’re a small to medium-sized enterprise, a blogger, a developer, or simply a technology enthusiast: IONOS has got you covered.