Simon Willison’s Weblog

15th July 2009 - Link Blog

You should follow me on Twitter. Dustin Curtis did a simple A/B testing experiment on his blog and found that the text “you should follow me on Twitter” had the highest click-through rate—173% more effective than “I’m on Twitter”.

Posted 15th July 2009 at 10:43 am

Recent articles

Extract PDF text in your browser with LiteParse for the web - 23rd April 2026
A pelican for GPT-5.5 via the semi-official Codex backdoor API - 23rd April 2026
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This is a link post by Simon Willison, posted on 15th July 2009.

ab-testing 7 buckettesting 3 copy 3 dustin-curtis 1 twitter 161

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