(from the closing duplicate)
I typed this plugin very quickly during posting this...
It seems to work, see http://leau.co (where I quickly tested it) or http://edward.de.leau.net (where I have tested it against more links in the post content) e.g. see the bottom left sidebar or some posts with multiple links in it.
Hmmm, I will add in v0.3:
- file types to ignore
- if i find out how a different default icon
- urls to ignore
- Get it here : http://wordpress.org/extend/plugins/wp-favicons/ (v.0.1)
- If there are additional RFC/Bugs other than above (TODO) drop a comment :)
- Styling can be done in the admin pages
In the meanwhile it is to version 0.4.8 and scans pages directly for icon tags, /favicon.ico in root, checks google and other provides. IT also can replace content in any area where filters are provided, there is after processing support for the image such as auto png conversion, can excluded urls by extension, provides defaults such as identicons and has a cache.
version 0.4.8 temporarily disables ALL of this (read http://wp.leau.co/2011/03/04/wp-favicons-part-1-preventing-duplication-of-meta-data-attached-to-uris-such-as-favicons/) except for 'check google' so lets wait for 0.4.9 which gets it going again.