The best Adobe Acrobat alternatives

Adobe Acrobat is the most well-known program when it comes to working with the popular PDF format. But there are reasons to prefer an alternative to Adobe Acrobat. For some users, the huge range of functions is simply unnecessary. Others want to avoid the yearly subscription costs and are looking for a more affordable solution. In our overview, find out which Adobe Acrobat alternatives there are...

Everything you need to know about personal data

What do your e-mail address, eye colour, preferred political party, and license plate have in common? They can all be regarded as personal data which companies and cybercriminals can use to draw direct or indirect conclusions about your physical, physiological, genetic, psychological, economic, cultural, or social identity. It goes without saying that this sensitive information must be protected...

SASS: next-level CSS?

If you design your own website, then you probably work with CSS. But have you ever thought about SASS? The practical preprocessor extends the popular stylesheet language with various helpful functions and makes it even easier for you to design. Variables, loops, case distinctions, and practical mixins make your life as a web designer easier. We explain to you what SASS can do better than CSS.

Upload filters: a danger to free internet content?

The planned redesign of EU copyright law includes two very controversial acts. What is especially receiving a fair share of criticism though, is the projected commitment of website operators to establish upload filters designed to protect the intellectual property of publishers, film distributors, and those in the music industry. However, according to various critics, upload filters are not an...

Ancillary Copyright for Press Publishers

Upload filters and ancillary copyright are two planned changes to EU copyright law that are viewed with great concern by internet activists and various associations. This is because ancillary copyright law is criticised for restricting freedom of communication on the Internet, thereby forcing smaller providers and startups out in favor of large corporations, and limiting information diversity in...

What is an extranet, and how can I use it?

Order status, product compatibility, updated delivery terms – manual transmission of data to business partners by mail or phone takes a lot of time. But this can also be done with less effort. The solution: an extranet. But what is an extranet? How do companies use it? This article looks at how to create an extranet, as well as the benefits and some disadvantages of using one.

Sitemaps – Here’s what you need to know

Sitemaps belong to the standard features of a website, but they seem to be gradually disappearing from the World Wide Web. Some online presences hide the navigation file or even forgo it completely. We explain why search engines like Google still give sitemaps a lot of attention, how important sitemaps are for SEO as a result, and how you can create sitemaps yourself – manually or with a sitemap...

The internet of things: The era of networked things

The internet of things (IoT) is driving digital change. Smart household appliances and self-driving cars are already available. More and more everyday devices are being connected to form a comprehensive network that will eventually penetrate all areas of life. The 5G mobile communications standard will soon be implemented, which will help IoT achieve a breakthrough in the foreseeable future. Smart...

Activity diagrams: clearly present chronological activity processes with UML

UML activity diagrams help you to graphically illustrate the chronological sequence of system processes in object-oriented programming. They show which actions take place in which order to execute an activity. With a finished diagram, you can create code frames using XML transfer. Or do you want to map business processes? We show examples of how to create an activity diagram, which symbols belong...

SSL certificates

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 and what you need them for. Encryption and authentication are the main purposes of certificates. They are intended to protect internet users’ personal data from criminal...