This year was HTTP/2’s third birthday. Support of h2 in browsers and Web servers is pretty good. Nowadays, with a TLS certificate at hand using h2 is not much more effort than flipping a switch. All major Web servers like Nginx, Apache httpd or IIS have built-in support. Auxiliary software like HAProxy or Varnish/Hitch do so, too. That’s great! We get multiplexing, stream priorities, […]
In August 2018 the final version of TLS 1.3 was published. It is the first major update to the protocol in over eight years. It involves massive improvements in both performance and security over its predecessor TLS 1.2. As a wao.io customer you can now benefit from the increased security and faster loading time as […]
Offering your site via HTTPS and not just using unencrypted HTTP is not an optional feature these days, but is a standard and best practice. HTTPS offers many advantages. And is mandatory for PCI DSS compliance.
In den letzten Wochen haben wir uns intensiver mit Content Security Policy (im Folgenden kurz CSP) und ihren möglichen Auswirkungen auf wao.io beschäftigt.
At wao.io we are, among other things, concerned about the time customers wait for your website. One key factor to speed things up is the amount of data that needs to be transferred – the best bytes are those which need not to be sent. Because images make up a large fraction of the transmitted […]
For more than a year now, we offer Brotli compression in our products. Of course, wao.io serves Brotli compressed responses, too. Usually this yields higher compression ratios than the common treatment with gzip.
Have you ever wondered why your bash script in Jenkins suddenly runs so damn slow? Let’s say you have a job that downloads some source code, compiles it and runs some tests. Someday it takes ages to finish and you don’t know why. Wouldn’t it be lovely to have a timeline of bash commands?
After the public release of the vulnerabilities named “Spectre” and “Meltdown, it’s hard to know what to do. How can developers and webmasters protect their users and websites?