PageSourceSearch

Facebook app id (Meta)

Websites using 1621864364771340

17 websites carry this Facebook app id in its source code@if (Model.Total > IdentifierModel.MaxSites) { ; the 200 highest-ranked are listed }. The fb:app_id meta tag.

#WebsiteRankSeen
1 mk.ru 926 2026-10-02 view source
2 mk-mari.ru 492,958 2026-10-02 view source
3 mk-kalm.ru 572,889 2026-10-02 view source
4 mk-tuva.ru 601,379 2026-10-02 view source
5 mk.kg 603,561 2026-10-02 view source
6 mk-kaliningrad.ru 1,029,044 2026-10-02 view source
7 mk-pskov.ru 1,084,758 2026-10-02 view source
8 mkkaluga.ru 1,084,816 2026-10-02 view source
9 sportmk.ru 1,122,587 2026-10-02 view source
10 mk-sakhalin.ru 1,128,291 2026-10-02 view source
11 mk-novgorod.ru 1,131,714 2026-10-02 view source
12 mkivanovo.ru 1,156,663 2026-10-02 view source
13 mk-lipetsk.ru 1,168,983 2026-10-02 view source
14 mk-kz.kz 1,173,477 2026-10-02 view source
15 mknews.de 1,189,526 2026-10-02 view source
16 mkisrael.co.il 1,195,737 2026-10-02 view source
17 vnovomsvete.com 1,211,390 2026-10-02 view source

Questions

Which websites use the Facebook app id 1621864364771340?
The 17 sites listed on this page: each has the id in its stored HTML or first-party JavaScript. The fb:app_id meta tag; sites sharing one are usually run by the same owner, agency or platform.
How was 1621864364771340 found?
By reading the stored source. PageSourceSearch keeps the exact bytes of the pages and scripts it crawls and extracts the identifier from the tag's own snippet or meta tag, so every listed site can be opened at the line that carries it.

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