HTTP 400: Bad Request explained

Internet users are often confronted with error messages. HTTP status codes can be especially annoying, and even more so if you don’t understand what they mean. The message 'HTTP 400 – Bad Request' is a mystery for many internet users, but luckily it can be solved in most cases. We explain what the error message means and how to fix the error. [...]  

Error 502 Bad Gateway: Where’s the problem?

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 where internet users and webmasters can start their search for the source of the error. [...]  

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 rectify the problem. [...]  

HTTP 504 (Gateway Timeout): How to fix an error 504

If the error message ‘HTTP 504 Gateway Timeout’ appears when you attempt to open a website, it means that the allowed time for responding to browser queries has been exceeded. A lot of the time the culprit is not the web server itself, but instead some other component of the server, i.e. a gateway, which is integral to the path of communication. What does 504 gateway timeout mean? How can you fix the problem as a browser user or as a website operator? This and more can be read in our digital guide. [...]  

How does content curation work?

“Content is King.” The content marketing battle cry is still relevant. However, for a few years now, there has been a slight shift: further back in the past there was nothing but self-developed contributions, today you also have to rely on distributing external content. Content curation has brought about a contemporary form of online marketing, oriented on social media and traditional cultural activities (museums, exhibitions, etc). But how does content curation work and for whom is it useful? [...]  

Social plugins: expand your outreach on Facebook, Twitter, Pinterest, et al.

Link your online project with your social media presence and enable cross-site interactions with the help of social plugins. By enabling like, share, and comment functions, website owners can increase the outreach of text posts, images, and videos exponentially, thanks to the ever-growing social media user base. Implementing social media plugins into your website can help you transform visitors into ambassadors for your brands, goods, or services. In this article, we provide an overview of the share functions from the most popular social networking sites. Find out what options are available and how to implement them quickly and easily in your online project. [...]  

What is a root server? Definition and mechanics

When you call up a website, the entered domain first needs to be turned into an IP address and read out from the browser so that the page can finally appear in the browser. This process is known as name resolution. Here, the root name server or (DNS) root server in the domain name system plays a key role. But what is a root server? And what exactly goes on when they receive requests for translating a domain name into an IP address? [...]  

Gender marketing

What makes men and women tick? As we know, it’s not always the same thing. Advertisers have long been aware of this fact, and over the years, gender marketing has become a central aspect of the image of many businesses. But how should we understand the term, ‘gender marketing’ and how does it work in practice? In this guide, we demonstrate how entrepreneurs and advertisers can benefit from using gender marketing in your promotion strategy. [...]  

Data warehouse systems: get success with big data analysis

More and more businesses are adopting dispositive data with the aim of making strategic decisions shaped by reports, prognoses, and patterns. The database is usually supplied by an information system that functions as a central data repository, separate from a data operating system. This is known as a data warehouse, or a DWH for short. A data warehouse is a modularly built system made up of various tools for data entry, data processing, and data retention. Our digital guide offers an insight into the structure of a typical DWH architecture, introduces you to commercial suppliers of established data warehouse systems, as well as showing you some open source alternatives. [...]  

Docker tutorial: Installation and operation of the container platform

The open source container platform Docker is quite exciting to the open source community. As an alternative to hardware virtualization based on virtual machines, Docker has made the use of software containers acceptable outside of the Linux universe. In our tutorial for beginners, we break down the Docker trend from the ground up. With these clear, step-by-step instructions, learn how to install Docker, what the deal is with its images, and how to download these images from the Docker hub and run them locally as containers. [...]