Simon Willison’s Weblog

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2 items tagged “headers”

2009

The Resource Expert Droid. Like the HTML Validator but for your server’s HTTP headers—extremely useful. # 25th June 2009, 10:06 am

A rev=“canonical” HTTP Header. Chris Shiflett proposes optionally exposing rev=canonical information in an HTTP header, thus allowing sites to discover shorter URLs using just a HEAD request and removing the need to parse HTML. The pingback specification also uses this shortcut. # 12th April 2009, 12:33 pm