How HTTPbis changes HTTP caching, and why CDNs are not always the answer

HTTP caching is a key part of what makes the web usable, and draft standards like HTTPbis add further refinements to the existing HTTP/1.1 caching features. At WebPerfDays 2012, Mark Nottingham (@mnot) and Josh Bixby (@joshuabixby) gave some useful tips on how we can tune our web applications to take advantage of the existing and forthcoming HTTP cache features.

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Improving page speed: CDN vs Squid/Varnish/nginx/mod_proxy

Too few people understand the benefit of using a caching reverse proxy server to improve web page delivery speeds, and instead go straight to a CDN solution, which can be costly and complex to administer.

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