How does PageSourceSearch know a website uses Google Ads conversion.js (legacy)?

By the source itself: The legacy tag loads conversion.js (or conversion_async.js) from www.googleadservices.com/pagead/. PageSourceSearch stores the raw HTML and first-party JavaScript of each crawled site and matches the keyword byte for byte, so every listed site's stored source contains it.

Is this a complete list of websites using Google Ads conversion.js (legacy)?

No. The page lists the 50 highest-ranked sites in the index whose source holds the keyword, out of about 20,233 websites that do; the count is the index's estimate at the time the list was computed. Run the keyword as a search to page through all of them, or add a kind or date filter.

How do I find websites that use Google Ads conversion.js (legacy) together with another technology?

Search for both keywords at once: several terms separated by spaces must all be found on the same site, or with the Same page toggle in the same page. For example www.googleadservices.com/pagead/conversion with wp-content/plugins/ lists the WordPress sites that use Google Ads conversion.js (legacy).

Advertising and pixels

Websites using Google Ads conversion.js (legacy)

The legacy Google Ads conversion and remarketing tag, conversion.js, predates the Google tag. About 20,233 websites in the PageSourceSearch index contain the code that reveals it; the 50 highest-ranked are listed below.

How is Google Ads conversion.js (legacy) detected?

The legacy tag loads conversion.js (or conversion_async.js) from www.googleadservices.com/pagead/. The discovery keyword is the exact bytes PageSourceSearch looks for in every stored page and script:

www.googleadservices.com/pagead/conversion Search the index for it

A literal is matched byte for byte, case-sensitively. Combine it with another keyword, a domain, a kind or a date filter on the search page to narrow the list. About Google Ads conversion.js (legacy)

Top 50 websites using Google Ads conversion.js (legacy)

Ranked by the domain's position in the crawl's ranked list (Common Crawl harmonic centrality), highest first. view source opens the stored page or script with the match highlighted. Computed 2026-09-30 16:09:13 UTC.

#	Website	Rank	Found in
1	dreamstime.com	329	html https://www.dreamstime.com/	view source profile
2	bild.de	471	js https://jnt.bild.de/wwcoiz.js	view source profile
3	banggood.com	950	js https://www.banggood.com/service-worker.js?v=0118	view source profile
4	polymer-project.org	1,334	js https://polymer-library.polymer-proj…/elements/pw-shell.js	view source profile
5	stackoverflow.co	1,483	js https://stackoverflow.co/public/product/CspruQhb.js	view source profile
6	prtimes.jp	2,060	html https://prtimes.jp/app/	view source profile
7	timeout.com	2,103	js https://www.timeout.com/static/js/ad…0324c94b172311d89123.js	view source profile
8	mediapost.com	2,197	html https://www.mediapost.com/	view source profile
9	webbyawards.com	2,302	html https://www.webbyawards.com/	view source profile
10	blubrry.com	2,451	html https://blubrry.com/createaccount.ph…Fpublish.blubrry.com%2F	view source profile
11	ssl.com	2,607	html https://secure.ssl.com/orders/show_c…-41ce-892a-a780fa70d308	view source profile
12	defenseone.com	2,976	html https://www.defenseone.com/	view source profile
13	stackoverflow.blog	2,983	js https://stackoverflow.blog/_nuxt/igBnPZTB.js	view source profile
14	tunein.com	3,027	html https://tunein.com/	view source profile
15	getharvest.com	3,063	html https://www.getharvest.com/	view source profile
16	comparably.com	3,194	html https://www.comparably.com/blog/	view source profile
17	ibisworld.com	3,217	html https://www.ibisworld.com/blog/	view source profile
18	nbc.com	3,847	js https://www.nbc.com/generetic/genera…709b65589b744e62e9ea.js	view source profile
19	weizmann.ac.il	3,901	html https://www.weizmann.ac.il/wsos/academics/about-courses	view source profile
20	wishpond.com	3,946	html https://www.wishpond.com/login/	view source profile
21	provenexpert.com	4,237	html https://www.provenexpert.com/en-us/features-pricing/	view source profile
22	chartbeat.com	4,320	html https://chartbeat.com/signin/	view source profile
23	nolo.com	4,423	html https://store.nolo.com/products/	view source profile
24	haikudeck.com	4,576	html https://haikudeck.com/	view source profile
25	onepeloton.com	4,702	html https://support.onepeloton.com/s/art…?language=en_US	view source profile
26	panjiva.com	5,328	html https://panjiva.com/	view source profile
27	bonanza.com	5,331	html https://www.bonanza.com/	view source profile
28	bark.com	5,376	html https://www.bark.com/en/us/	view source profile
29	acquia.com	5,516	js https://ob.sd8567.acquia.com/i/c9123…f31801fb9954b96a80d3.js	view source profile
30	tabelog.com	5,680	html https://tabelog.com/	view source profile
31	vanguard.com	5,702	js https://corp-etm-arl.web.vanguard.co…/launch-02c257bd248a.js	view source profile
32	peraichi.com	5,897	html https://peraichi.com/news/press_2026_0909	view source profile
33	kakaku.com	5,936	html https://kakaku.com/	view source profile
34	princetonreview.com	5,979	js https://secure.princetonreview.com/b…/securejs?v=3.0.0.202	view source profile
35	fundable.com	6,009	html https://www.fundable.com/	view source profile
36	eventos.tokyo	6,031	html https://eventos.tokyo/contact/	view source profile
37	tubefilter.com	6,037	html https://www.tubefilter.com/	view source profile
38	mmaglobal.com	6,222	html https://mmaglobal.com/	view source profile
39	podtrac.com	6,360	html https://analytics.podtrac.com/	view source profile
40	binus.ac.id	6,494	html https://binus.ac.id/	view source profile
41	particle.io	6,508	html https://store.particle.io/collection….p.product_type=Modules	view source profile
42	woundedwarriorproject.org	6,520	html https://www.woundedwarriorproject.org/	view source profile
43	codementor.io	6,584	html https://www.codementor.io/blog	view source profile
44	knowbe4.com	6,591	html https://www.knowbe4.com/	view source profile
45	hidemyass.com	7,374	html https://blog.hidemyass.com/en/tag/product-news	view source profile
46	atulgawande.com	7,502	html https://atulgawande.com/	view source profile
47	westpac.com.au	7,802	js https://www.westpac.com.au/content/d…f6d57732e-source.min.js	view source profile
48	doc.govt.nz	7,868	html https://www.doc.govt.nz/	view source profile
49	lawnstarter.com	8,072	html https://www.lawnstarter.com/about-us	view source profile
50	reamaze.com	8,189	html https://www.reamaze.com/	view source profile

How it appears in the source

From dreamstime.com (html):

(node);         };         try {             await DT.loadScriptsOnce('https://www.googleadservices.com/pagead/conversion.js');         } catch (_err) {}          document.write = window.oldDocumentWr

See every site: search for www.googleadservices.com/pagead/conversion

Questions about finding Google Ads conversion.js (legacy)

How does PageSourceSearch know a website uses Google Ads conversion.js (legacy)?: By the source itself: The legacy tag loads conversion.js (or conversion_async.js) from www.googleadservices.com/pagead/. PageSourceSearch stores the raw HTML and first-party JavaScript of each crawled site and matches the keyword byte for byte, so every listed site's stored source contains it.
Is this a complete list of websites using Google Ads conversion.js (legacy)?: No. The page lists the 50 highest-ranked sites in the index whose source holds the keyword, out of about 20,233 websites that do; the count is the index's estimate at the time the list was computed. Run the keyword as a search to page through all of them, or add a kind or date filter.
How do I find websites that use Google Ads conversion.js (legacy) together with another technology?: Search for both keywords at once: several terms separated by spaces must all be found on the same site, or with the Same page toggle in the same page. For example www.googleadservices.com/pagead/conversion with wp-content/plugins/ lists the WordPress sites that use Google Ads conversion.js (legacy).

Websites using Google Ads conversion.js (legacy)

How is Google Ads conversion.js (legacy) detected?

Top 50 websites using Google Ads conversion.js (legacy)

How it appears in the source

Questions about finding Google Ads conversion.js (legacy)

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