Is Google Tag Manager or Siteimprove more popular?

Google Tag Manager is used by more websites in our catalog: 262,222 use Google Tag Manager and 259 use Siteimprove.

Does Google Tag Manager or Siteimprove have higher-authority sites?

Siteimprove sites have the higher median Ahrefs Domain Rating (Google Tag Manager: 36, Siteimprove: 67).

Is Google Tag Manager or Siteimprove growing faster?

Between 2026-06 and 2026-07, Google Tag Manager went from 36% to 30% of all tracked sites, while Siteimprove went from 0.04% to 0.03%. Siteimprove is gaining ground faster in our index.

How many sites use both Google Tag Manager and Siteimprove?

137 websites in our catalog use both Google Tag Manager and Siteimprove.

Where does this Google Tag Manager vs Siteimprove data come from?

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.

Google Tag Manager vs Siteimprove — Site Stats Database

Google Tag Manager vs Siteimprove

A side-by-side comparison of two analytics tools, based on the 511,739 Analytics sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	Google Tag Manager	Siteimprove
Websites	262,222	259
Market share	51%	0.05%
Share of top 10K sites	41%	0.25%

Rank	#2	#30

Median DR	36	67

Average DR	38	63

Median keywords	1,213	4,665

Median referring domains	552	2,104

Median domain age	16 yrs	25 yrs

Average domain age	16 yrs	23 yrs

Average monthly traffic	131,314	651,510

Combined monthly traffic	34,433,531,927	168,740,985

merriam-webster.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords4,579,269
Referring Domains240,838
Domain Age27 yrs
Traffic (Jun 2026)1,467,281,883
Traffic Trend
TechnologyGoogle Tag Manager
play.google.com
LanguageEnglish
DR (Ahrefs)99
Total Keywords6,530,671
Referring Domains3,590,131
Domain Age28 yrs
Traffic (Jun 2026)716,175,576
Traffic Trend
Technology
clevelandclinic.org
LanguageEnglish
DR (Ahrefs)92
Total Keywords5,266,698
Referring Domains262,751
Domain Age28 yrs
Traffic (Jun 2026)536,244,433
Traffic Trend
Technology
britannica.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords9,553,813
Referring Domains512,902
Domain Age31 yrs
Traffic (Jun 2026)511,620,010
Traffic Trend
Technology
nih.gov
LanguageEnglish
DR (Ahrefs)95
Total Keywords8,823,555
Referring Domains1,431,267
Domain Age28 yrs
Traffic (Jun 2026)449,766,532
Traffic Trend
TechnologyGoogle Tag Manager
mlb.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords1,403,577
Referring Domains165,017
Domain Age31 yrs
Traffic (Jun 2026)376,727,145
Traffic Trend
TechnologyGoogle Tag Manager
finance.yahoo.com
LanguageEnglish
DR (Ahrefs)94
Total Keywords3,416,031
Referring Domains299,278
Domain Age31 yrs
Traffic (Jun 2026)353,252,169
Traffic Trend
Technology
zillow.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords4,129,056
Referring Domains181,223
Domain Age21 yrs
Traffic (Jun 2026)275,243,255
Traffic Trend
TechnologyGoogle Tag Manager
dictionary.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords3,387,790
Referring Domains129,246
Domain Age31 yrs
Traffic (Jun 2026)242,622,664
Traffic Trend
Technology
healthline.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords7,041,614
Referring Domains458,961
Domain Age21 yrs
Traffic (Jun 2026)220,346,497
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
merriam-webster.com	English	91	4,579,269	240,838	27 yrs	1,467,281,883		Google Tag Manager

va.gov
LanguageEnglish
DR (Ahrefs)91
Total Keywords855,668
Referring Domains179,785
Domain Age28 yrs
Traffic (Jun 2026)27,415,021
Traffic Trend
TechnologySiteimprove
mo.gov
LanguageEnglish
DR (Ahrefs)90
Total Keywords845,426
Referring Domains91,237
Domain Age23 yrs
Traffic (Jun 2026)17,387,589
Traffic Trend
TechnologySiteimprove
dol.gov
LanguageEnglish
DR (Ahrefs)91
Total Keywords424,632
Referring Domains147,034
Domain Age28 yrs
Traffic (Jun 2026)17,325,275
Traffic Trend
TechnologySiteimprove
sc.gov
LanguageEnglish
DR (Ahrefs)88
Total Keywords566,156
Referring Domains51,926
Domain Age24 yrs
Traffic (Jun 2026)11,123,085
Traffic Trend
TechnologySiteimprove
hss.edu
LanguageEnglish
DR (Ahrefs)80
Total Keywords209,563
Referring Domains20,351
Domain Age32 yrs
Traffic (Jun 2026)7,362,820
Traffic Trend
TechnologySiteimprove
oceanservice.noaa.gov
LanguageEnglish
DR (Ahrefs)92
Total Keywords74,641
Referring Domains38,522
Domain Age28 yrs
Traffic (Jun 2026)7,148,578
Traffic Trend
Technology
health.ucdavis.edu
LanguageEnglish
DR (Ahrefs)90
Total Keywords269,887
Referring Domains27,957
Domain Age40 yrs
Traffic (Jun 2026)7,007,705
Traffic Trend
Technology
nv.gov
LanguageEnglish
DR (Ahrefs)88
Total Keywords310,385
Referring Domains52,589
Domain Age24 yrs
Traffic (Jun 2026)6,295,278
Traffic Trend
TechnologySiteimprove
tanger.com
LanguageEnglish
DR (Ahrefs)74
Total Keywords49,943
Referring Domains7,281
Domain Age30 yrs
Traffic (Jun 2026)5,000,357
Traffic Trend
TechnologySiteimprove
blm.gov
LanguageEnglish
DR (Ahrefs)86
Total Keywords165,271
Referring Domains45,218
Domain Age28 yrs
Traffic (Jun 2026)4,621,583
Traffic Trend
TechnologySiteimprove