Encyclopedia

SSl certificate
SSL certificates: What they are and what they’re for
  • Website creation

Security on the internet is always paramount: regardless of whether you run a website yourself or just surf the web, you should always understand the basics of internet security. Here we explain exactly what SSL certificates are, what you need them for, and the different types of certificates that are out there.

SSL certificates: What they are and what they’re for
Image file format types
Image file formats: An overview of 10 image file types
  • Web design

JPG, PNG, TIFF, and more: there are many image file formats out there. Most users don’t know the exact differences and fall back on a standard image file type. It’s worth looking into the differences, so that you can make sure you’re presenting your pictures in their best possible quality. We’ll explain which image file formats exist and dig into their advantages and disadvantages.

Image file formats: An overview of 10 image file types
What is a web crawler?
What is a web crawler: how these data spiders optimize the internet
  • Search engine marketing

Crawlers rove the web like digital spiders looking for web content, collecting data, and storing it in databases. They have become an integral part of the internet. So, how do web crawlers work and what kinds are there? Here, you will find the answers to these questions and learn how crawlers can be useful for optimizing your online marketing.

What is a web crawler: how these data spiders optimize the internet
What is a session ID?
What is a session ID?
  • Technical matters

When a website is visited, the server generates a session ID and assigns it to the user. This session ID is temporarily created by the server and assigned to the user for a during their active session to identify the user and their data exchanges throughout the session.

What is a session ID?
Function keys (F keys)
Function keys (F keys): an overview of common functions of the F1 to F12 keys
  • Web development

Many computer users tend to ignore the function keys (also referred to as F keys). However, they provide useful functions that could save you a lot of time. When combined with other keys, function keys can access a number of helpful commands. In this article, we’ll show you how to use the full range of functions for the F1 to F12 keys to suit your needs.

Function keys (F keys): an overview of common functions of the F1 to F12 keys
Err_Connection_Timed_Out
Correcting the error “Err_Connection_Timed_Out”
  • Technical matters

The error message “Err_Connection_Timed_Out” appears frequently on Google Chrome and means that an error has occurred when trying to access a webpage. This is usually caused by the target server taking too long to send a reply, which results in the browser terminating the communication attempt. Find out in our guide what “Err_Connection_Timed_Out” means, what measures you can take to correct the...

Correcting the error “Err_Connection_Timed_Out”
What is a plug-in?
What is a plug-in and what is it used for?
  • Know-how

Plug-ins have many advantages. For example, these small add-ons are the simplest solution if you want to play Flash videos on your website, display PDF files in your browser or spice up your e-mail application with new features. Plug-ins allow you to add practical features to almost any software. However, these useful little add-ons also present some risks.

What is a plug-in and what is it used for?
Zoom fatigue
Zoom fatigue: how to avoid getting tired during video conferences
  • Online sales

The number of people working from home has increased rapidly since the start of the coronavirus pandemic and so has, of course, the number of online meetings. Video conferencing is an indispensable tool in working remotely, but also comes with drawbacks. Video calls quickly exhaust participants, leading to what is now being called “Zoom fatigue”. Keep reading to find out what causes this and which...

Zoom fatigue: how to avoid getting tired during video conferences
What is a GUI?
What is a graphical user interface (GUI)?
  • Web development

When designing new software, applications, and programs, the user interface plays an important role. After all, it ensures that a game or app is easy to use for end users. The GUI, therefore, provides an interface between technology and people. We explain how exactly this works and what advantages and disadvantages GUIs have.

What is a graphical user interface (GUI)?
‘Noisy Neighbor’ effect: explanation and solutions
The ‘noisy neighbor’ effect: disruptions in shared and cloud hosting
  • Technical matters

Shared hosting offers are very popular with many users because of their affordability. But the benefit of loaning resources and sharing hardware with other users can also cause problems, particularly if one of more of the hosted applications puts too much of a strain on performance. What exactly is the ‘noisy neighbor’ effect and how can providers and private hosts avoid this issue in cloud...

The ‘noisy neighbor’ effect: disruptions in shared and cloud hosting