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

This month we have Andrew Betts who will be telling us all about clearing you users cache and Hooman Beheshti who will be revisiting HTTP/2.

Beer & Pizzas will be provided due to the generosity of our Group Sponsors : Akamai, Apica, Cedexis, Google Developers, Distil Networks, Fastly, The Financial Times, NCC Group, New Relic, NS1 and Varnish Software.

Six ways to clear your users’ cache

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.
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Revisiting HTTP/2

RFC 7540 was ratified over 2 years ago and, today, all major browsers, servers, and CDNs support the next generation of HTTP. Just over a year ago, at Velocity (, we discussed the protocol, looked at some real world implications of its deployment and use, and what realistic expectations we…
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