Michael Weber

We crawled over 200 domains, including all URLs linked from their homepages and the homepages themselves, and examined the differences between the rendered and non-rendered HTML on every page. You can find a summary of the results and some detailed examples in this post. At the end of the article, you can also access the…

What are "service workers" and how do they work? A service worker is a Javascript process that runs in the browser background. The service worker runs in the background and acts as a kind of proxy between the website and the Internet and can intercept and manipulate network requests. Service workers have (almost) "only" influence…