JavaScript

Browser fingerprints: tracking without cookies

Browser fingerprints: the basics and protection options

In recent years, so-called browser fingerprinting has established itself as a tracking method that doesn’t rely on the use of cookies. Web servers capture different characteristics from visitors’ browsers and determine their digital fingerprint based on them. They enable visitors to be recognized at a later date. While some information is automatically transmitted, it is mainly active elements...

Bootstrap tutorial: the first steps

Bootstrap Tutorial: the first steps with the Twitter framework

Bootstrap is one of the best solutions when it comes to creating websites for all devices with little effort. But what exactly lies behind the framework that was originally planned to be used as an internal optimization tool for Twitter? Can total beginners with no CSS, JavaScript, or HTML experience also achieve attractive results?

Tutorial: JSON-LD with Schema.org

Marking up your website with JSON-LD according to Schema.org

JSON LD gives the programmers the possibility of embedding meta data as script separately from web content. Separating HTML markup and semantic annotation helps ensure a more easily read source text and facilitates tagging meta data for dynamic web content. All of this makes JSON-LD a serious competitor of the data formats RDFa and Microdata.

Module tests in software development

Software quality assurance: module tests

Module tests are one of the most effective methods of identifying as many errors in the source code as possible early on in the software development process. The special feature: the smallest isolatable components of a program are placed in a neutral test environment. If errors appear, it’s obvious they are occurring in the module being tested, which makes them easy to correct.

Rich Cards: the new Google results format

Rich Cards: the new Google results format

In May 2016, Google launched the next big change to the appearance of its search engine results pages with Rich Cards. Given that more than half of searches on the world’s most popular search engine come from mobile devices today, it’s hardly surprising that the latest results format update is designed specifically for smartphones and tablets. So what do Rich Cards entail? And how can web...

jQuery tutorial: introduction and first steps

jQuery tutorial: basics on selectors, syntax, and more

By using the JavaScript library, jQuery, you can easily customize HTML elements. Well-known CSS selectors such as the element selector or the .class selector help you to choose the desired content and manipulate it using various actions. In addition, lines of code can be written that respond to how website visitors navigate and what search terms they enter, and then automatically execute...

The most important meta tags and their functions

The essential meta tags at a glance

Meta tags are used by website owners to specify metadata in HTML documents. The coded information integrates with web browsers and search engine crawlers to enhance the searchability of a website. But which meta elements are actually required by user agents to improve processing? And how can you use metadata to boost your website’s ranking in the search results?

Spring framework: A backbone extension of Java

Spring – the framework for complex Java applications

Java doesn’t play a big role when it comes to simple web development, although the programming language has still maintained a strong appeal. The language, which is no longer supported by browsers, has established itself as an efficient solution finding tool, especially when designing backends for business applications. The Spring framework contains various modules that serve as a basis for...

Learning HTML: a beginner’s tutorial

Learn HTML: the first steps with the standard web language

In times of content management systems and website construction kits, you might think it’s a waste of time learning HTML. But if a page doesn’t work for some reason or if you plan to install dynamic elements, you won’t be able to continue without having knowledge of this web language. In our detailed HTML tutorial, we introduce you to the basic features of the markup language, including numerous...