Simon Willison’s Weblog

Return of the HTTP overhead delay. Christian proposes a neat way of improving page performance, by delaying non-essential images such as avatars until after the rest of the page has loaded.

Posted 11th July 2007 at 3:12 pm

Recent articles

Deep Blue - 15th February 2026
The evolution of OpenAI's mission statement - 13th February 2026
Introducing Showboat and Rodney, so agents can demo what they’ve built - 10th February 2026

avatars 1 christian-heilmann 5 http 100 images 14 javascript 742 onload 5 performance 94

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