Simon Willison’s Weblog

Underscores are now word separators, proclaims Google. I missed this story last year—the change was announced by Matt Cutts at WordCamp 2007.

Posted 13th August 2008 at 1:06 pm

Recent articles

Olmo 3 is a fully open LLM - 22nd November 2025
Nano Banana Pro aka gemini-3-pro-image-preview is the best available image generation model - 20th November 2025
How I automate my Substack newsletter with content from my blog - 19th November 2025

google 390 hyphens 1 matt-cutts 2 seo 32 underscores 1 wordcamp 1 wordpress 20

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