Six ways to clear your users’ cache

On 8th May 2018 at The Financial Times as part of Andrew Betts (Clearing User Cache) and Hooman Beheshti (Revisiting HTTP/2)

Clearing the browser cache from afar is pretty hard. You ship a bad version of an asset, and aside from phoning all your users and asking them politely to clear their cache, what can you do? Turns out this is way more nuanced and complex than you might think.

Session video

Presented by

Andrew Betts

Principal developer advocate at Fastly and co-organiser of London Web Performance


Andrew is a web developer and principal developer advocate for Fastly, working with developers across the world to help make the web faster, more secure, more reliable and easier to work with. He founded a web consultancy which was ultimately acquired by the Financial Times, led the team that created the FT’s pioneering HTML5 web app, and founded the FT’s Labs division. He is also an elected member of the W3C Technical Architecture Group, a committee of nine people who guide the development of the World Wide Web.


Andrew Betts (Clearing User Cache) and Hooman Beheshti (Revisiting HTTP/2)


8th May 2018

Skill level

Intermediate / Advanced