Thx, Platonides, for checking it.
Those who use embed javascript from widgets.twimg.com include http://www.wikilovesmonuments.org/, not listed.
I copied it from there to show #wikilovesmonuments tweets, as probably others did.

Vicenç

> Date: Tue, 28 Aug 2012 16:57:45 +0200
> From: platonides@gmail.com
> To: wikilovesmonuments@lists.wikimedia.org
> Subject: [Wiki Loves Monuments] List of wlm websites including third-party content
>

> == Analysis results ==
>
> http://www.wikilovesmonuments.cat/
> Bad. Embeds content from apis.google.com and widgets.twimg.com
>
> http://wikilovesmonuments.com.ar
> Good
>
> http://wikilovesmonuments.at/
> Bad: Embeds javascript from widgets.twimg.com and piwik tracking code
> from web.beobachte.es (owned by whom?)
>
> http://wikilovesmonuments.by/
> Bad: Includes images at generation.by and www.lettera27.org
>
> http://www.wikilovesmonuments.be/
> Good
>
> http://wikimedia.ca/wlmca/
> Good
>
> http://www.wikilovesmonuments.cl/
> Bad: Includes image from i.creativecommons.org
>
> http://www.wikilovesmonuments.co/
> Bad: Includes images from s.gravatar.com and tracking code from
> stats.wordpress.com
>
> http://www.wikilovesmonuments.cz/
> Good
>
> http://da.wikipedia.org/wiki/Wikipedia:Wiki_Loves_Monuments_2012
> Good
>
> http://wikilovesmonuments.ee/
> Good
>
> http://wikilovesmonuments.fr/
> Bad: The logo lives at dev.wikimedia.typhon.net (an alias of the same
> server?)
>
> http://de.wikipedia.org/wiki/Wikipedia:Wiki_Loves_Monuments_2012
> Good
>
> http://www.wikilovesmonuments.hu/
> Good
>
> http://www.wikilovesmonuments.in/
> Good
>
> http://www.wikilovesmonuments.it/
> Bad: Embeds javascript from ajax.googleapis.com, www.google.com,
> widgets.twimg.com, stats.wordpress.com and s0.wp.com. Images from
> dieciannidisapere.it and s.gravatar.com
>
> http://www.wikilovesmonuments.be/
> Good
>
> http://wikilovesmonuments.mx/
> Bad: Embeds javascript from platform.twitter.com
>
> http://www.wikilovesmonuments.nl/
> Bad: Embeds javascript from widgets.twimg.com and iframe from
> www.facebook.com
>
> http://www.wlmpanama.org.pa/
> Bad: Embeds javascript from widgets.givealink.com and image from
> a0.twimg.com
>
> http://www.wikilovesmonuments.ph/
> Good
>
> http://wikizabytki.pl/
> Good
>
> http://wikilovesmonuments.ro/
> Bad: Embeds javascript from s3.www.universalsubtitles.org (for
> embedding a video?), images from nicubunu.ro and fedoraproject.ro,
> iframe from www.facebook.com
>
> http://wikilovesmonuments.ru/
> Good
>
> http://wlm.wikimedia.rs/pocetna.php
> Good
>
> http://wikilovesmonuments.co.za/
> Bad: Javascript from widgets.twimg.com and google-analytics
>
> http://www.wikilm.es/
> Good
>
> http://wikilovesmonuments.se/
> Bad: Javascript from connect.facebook.net and widgets.twimg.com
>
> http://wikilovesmonuments.ch/
> Good
>
> http://wlm.org.ua/
> Bad: Images from a6.sphotos.ak.fbcdn.net (hint: the map is available in
> commons) and wikimediaukraine.files.wordpress.com
>
> http://wikilovesmonuments.us/
> Good
>
>
> PS: wikilovesmonuments.fr includes a javascript from commons, but the
> category name is missing.
>
>
> _______________________________________________
> Wiki Loves Monuments mailing list
> WikiLovesMonuments@lists.wikimedia.org
> https://lists.wikimedia.org/mailman/listinfo/wikilovesmonuments
> http://www.wikilovesmonuments.org