This blog is a place to meet our experts. We share technical knowhow and lessons learned from software projects, and discuss clever solutions for real-world problems.
This article describes how we configured and used the Varnish web cache for the popular German online shop www.lidl.de. Varnish gave us a tremendous performance boost. With this new caching setup, we easily achieve request rates of several thousand pages per second, which are quite common during marketing campaigns like special offers.
By coding the page state into the URL, even single-page web applications can support deep bookmarks and the browser’s back button. The most accepted approach is to utilize the location hash, i.e. the local part of the URL. This article explains this technique and what pitfalls you should be aware of, based on my team’s experience from building an AJAX interface for Solr. You will also learn about the HTML5 History API, which is a second, more modern technique.
