Simon Willison’s Weblog


March 2011

March 7, 2011

What Y Combinator companies are going to SXSW this year?

Lanyrd (W11) will be there, we’re promoting our SXSW schedule planner / coverage tracker tool:

[... 33 words]

March 9, 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

March 17, 2011

Your Web, Half a Second Sooner. Google AdSense now serves a tiny bit of JavaScript that loads everything else in a dynamically populated iframe, thus avoiding blocking the rest of the page load. It’s about time online advertising providers started taking page performance seriously.

# 5:39 pm / adsense, advertising, performance, recovered

March 20, 2011

YC Is Not a School for Startups—It Is Marine Corp Boot Camp for Startup Founders. This is a great description of what it’s actually like to do YC. If you’ve been wondering why I haven’t blogged much over the past three months, this is why.

# 5:27 pm / y-combinator, recovered

2011 » March