Create Diff between HTML pages

An error (I/O error: socket error [Errno 110] Connection timed out) occured trying to get https://pr-preview.s3.amazonaws.com/w3c/webcodecs/pull/228.html.

Tip: if the document uses the W3C convention on linking to its previous version, you can specify only the address of the new document — the previous link will be automatically detected.

Diff markings

This service relies on GNU diff. The found differences are roughly marked as follow:

deleted text is shown in pink with down-arrows (as styled for a <del> element)
where there is replacement, it’s shown in green with bi-directional arrows,
where there is newly inserted text, it’s yellow with up arrows (<ins> element)

script $Revision$ of $Date$
by Dominique Hazaël-Massieux
based on Shane McCarron’ Perl script wrapped in a Python CGI