Fireshift / Study / Marketing agency

Marketing agency sites and Google Ads conversion tracking: 41.9% count a click, page load or login

By the Fireshift team · Scanned 5 Nov 2026 · 129 marketing agency sites with a readable Google Ads conversion, of 886 in the study · Public tags only

TL;DR. 54 of 129 marketing agency sites (41.9%, 95% interval 33.7 to 50.5%) send Google Ads a conversion on a click, a page load or a login. That is below the all-site 50.8%, and the interval stays clear of it. Four more gaps show: 17.1% convert on a page load, against 26.1% of all sites; 9.3% have a duplicate conversion, against 20.5% of all sites; 0.0% count a login, against 7.9% of all sites; 86.8% send no conversion value, against 68.8% of all sites. We saw the container, not the Ads account: a conversion we flag may be secondary and harmless to bidding.

41.9%of 129 marketing agency sites count a click, a page load or a login
86.8%send no conversion value on any action
29.5%convert on a button or link click
9.3%have a duplicate conversion

What did the 129 marketing agency sites send?

Share of marketing agency sites with each pattern, next to all 886 sites in the study. A site can show several patterns, so rows overlap.

Patternmarketing agency (n=129)95% intervalAll sites (n=886)
Any noise trigger41.9% 54 of 12933.7 to 50.5%50.8% 450 of 886
Button or link click29.5% 38 of 12922.3 to 37.8%31.6% 280 of 886
Page load (every page or a plain page view)17.1% 22 of 12911.5 to 24.5%26.1% 231 of 886
Duplicate conversions9.3% 12 of 1295.4 to 15.6%20.5% 182 of 886
Login counted0.0% 0 of 1290 to 2.9%7.9% 70 of 886
No conversion value on any action86.8% 112 of 12979.9 to 91.6%68.8% 610 of 886

Intervals are Wilson 95%. Where the marketing agency interval holds the all-site share, we can't say marketing agency sites differ.

What does each pattern mean?

What can't we see?

  • Primary vs secondary lives in the Ads account. A click conversion set to secondary does not drive bids.
  • Which plugin or tag manager created the tag. We read the public container. We make no claim about plugins.
  • Server-side tags are not in the public container, so real rates are likely higher.
  • Cause. Sites in one segment often share tools and agencies. These are shares of what we saw, not proof that the segment causes them. The sample is not random.

Method

Static HTTP read of the homepage, /pricing, /signup and /demo (robots.txt respected) and the public googletagmanager.com containers of 886 sites with a readable Google Ads conversion. A site counts as marketing agency when the study's sample list files it under that segment; each site is in one segment. No forms, logins or bot evasion. Full rules: method. All-site results: the study.

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Related: the full 1,727-site study · primary vs secondary · all guides