Weird things can happen to waterfalls when you don't set the correct response headers.
Posts tagged gds
Measuring and examining TLS 1.3, IPv4, and IPv6 performance
TLS 1.3 is the new kid on the cryptographic protocols block. It offers better security and better initial connection web performance. And IPv6 is a 'new' internet protocol. Lets examine some shiny new things!
Bringing HTTP/2 to GOV.UK - Resources
A simple blog post bringing all the resources I used and created in the GOV.UK HTTP/2 work.
Example synthetic web performance monitoring dashboards using SpeedCurve
Custom dashboards and graphs are a really powerful feature of SpeedCurve. Here's a few examples of how we at GDS are using them for synthetic web performance monitoring.
Why we focus on frontend performance
Frontend performance is important, especially for government services.
Making GOV.UK pages load faster and use less data
Optimising the font loading method on GOV.UK to improve performance.
Changing our testing requirements for Internet Explorer 8, 9 and 10
Old versions of Internet Explorer are in decline, so let's reconsider the testing requirements.
We've added Samsung Internet to our browser testing recommendations
The Service Manual gets an update to add Samsung Internet to the testing matrix.