Simon Willison’s Weblog

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Wednesday, 9th March 2011

DNS Prefetching Implications. deviantart use a subdomain per user, which meant the DNS prefetching feature in Firefox and Chrome was costing them an extra 10 billion DNS queries per month. Disabling it with a meta tag saves them $1600/month in DNS service charges.

# 10:54 pm / dns, recovered

2011 » March

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