Is BootstrapCDN or Microsoft Ajax CDN more popular?

BootstrapCDN is used by more websites in our catalog: 39,625 use BootstrapCDN and 1,730 use Microsoft Ajax CDN.

Does BootstrapCDN or Microsoft Ajax CDN have higher-authority sites?

Microsoft Ajax CDN sites have the higher median Ahrefs Domain Rating (BootstrapCDN: 29, Microsoft Ajax CDN: 31).

Is BootstrapCDN or Microsoft Ajax CDN growing faster?

Between 2026-06 and 2026-07, BootstrapCDN went from 4.9% to 4.5% of all tracked sites, while Microsoft Ajax CDN went from 0.23% to 0.20%. Microsoft Ajax CDN is gaining ground faster in our index.

How many sites use both BootstrapCDN and Microsoft Ajax CDN?

579 websites in our catalog use both BootstrapCDN and Microsoft Ajax CDN.

Where does this BootstrapCDN vs Microsoft Ajax CDN 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.

BootstrapCDN vs Microsoft Ajax CDN — Site Stats Database

BootstrapCDN vs Microsoft Ajax CDN

A side-by-side comparison of two asset cdns, based on the 194,149 Asset CDN sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	BootstrapCDN	Microsoft Ajax CDN
Websites	39,625	1,730
Market share	20%	0.89%
Share of top 10K sites	3.1%	0.23%

Rank	#4	#10

Median DR	29	31

Average DR	32	33

Median keywords	994	981

Median referring domains	403	435

Median domain age	15 yrs	16 yrs

Average domain age	16 yrs	17 yrs

Average monthly traffic	59,305	98,166

Combined monthly traffic	2,349,965,524	169,826,871

rapidtables.com
LanguageEnglish
DR (Ahrefs)79
Total Keywords410,849
Referring Domains12,076
Domain Age19 yrs
Traffic (Jun 2026)177,772,574
Traffic Trend
TechnologyBootstrapCDN
footballdb.com
LanguageEnglish
DR (Ahrefs)55
Total Keywords264,264
Referring Domains3,634
Domain Age23 yrs
Traffic (Jun 2026)54,434,822
Traffic Trend
Technology
azlyrics.com
LanguageEnglish
DR (Ahrefs)76
Total Keywords1,180,304
Referring Domains35,494
Domain Age25 yrs
Traffic (Jun 2026)48,971,518
Traffic Trend
Technology
wa.gov
LanguageEnglish
DR (Ahrefs)91
Total Keywords1,323,378
Referring Domains154,980
Domain Age28 yrs
Traffic (Jun 2026)32,128,393
Traffic Trend
TechnologyBootstrapCDN
heart.org
LanguageEnglish
DR (Ahrefs)91
Total Keywords559,706
Referring Domains159,503
Domain Age31 yrs
Traffic (Jun 2026)29,746,075
Traffic Trend
TechnologyBootstrapCDN
time.now
LanguageEnglish
DR (Ahrefs)78
Total Keywords235,750
Referring Domains3,298
Domain Age1 yr
Traffic (Jun 2026)21,692,001
Traffic Trend
TechnologyBootstrapCDN
un.org
LanguageArabic
DR (Ahrefs)93
Total Keywords513,517
Referring Domains534,812
Domain Age31 yrs
Traffic (Jun 2026)18,511,486
Traffic Trend
TechnologyBootstrapCDN
zip-codes.com
LanguageEnglish
DR (Ahrefs)70
Total Keywords380,828
Referring Domains3,710
Domain Age27 yrs
Traffic (Jun 2026)18,171,262
Traffic Trend
Technology
travelmath.com
LanguageEnglish
DR (Ahrefs)74
Total Keywords1,001,697
Referring Domains6,582
Domain Age17 yrs
Traffic (Jun 2026)15,627,751
Traffic Trend
Technology
academy.com
LanguageEnglish
DR (Ahrefs)76
Total Keywords975,340
Referring Domains16,358
Domain Age30 yrs
Traffic (Jun 2026)12,327,656
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
rapidtables.com	English	79	410,849	12,076	19 yrs	177,772,574		BootstrapCDN

mathway.com
LanguageEnglish
DR (Ahrefs)66
Total Keywords337,988
Referring Domains7,252
Domain Age21 yrs
Traffic (Jun 2026)33,315,361
Traffic Trend
TechnologyMicrosoft Ajax CDN
uhaul.com
LanguageEnglish
DR (Ahrefs)82
Total Keywords286,557
Referring Domains21,818
Domain Age31 yrs
Traffic (Jun 2026)20,054,396
Traffic Trend
TechnologyMicrosoft Ajax CDN
nm.org
LanguageEnglish
DR (Ahrefs)80
Total Keywords464,755
Referring Domains21,588
Domain Age37 yrs
Traffic (Jun 2026)9,563,438
Traffic Trend
TechnologyMicrosoft Ajax CDN
broward.org
LanguageEnglish
DR (Ahrefs)79
Total Keywords77,538
Referring Domains15,337
Domain Age28 yrs
Traffic (Jun 2026)6,372,611
Traffic Trend
Technology
la.gov
LanguageEnglish
DR (Ahrefs)87
Total Keywords325,217
Referring Domains44,664
Domain Age26 yrs
Traffic (Jun 2026)4,866,029
Traffic Trend
TechnologyMicrosoft Ajax CDN
royalkennelclub.com
LanguageEnglish
DR (Ahrefs)81
Total Keywords106,167
Referring Domains9,013
Domain Age13 yrs
Traffic (Jun 2026)4,545,260
Traffic Trend
Technology
safelite.com
LanguageEnglish
DR (Ahrefs)71
Total Keywords53,974
Referring Domains3,920
Domain Age30 yrs
Traffic (Jun 2026)4,280,679
Traffic Trend
Technology
tvpassport.com
LanguageEnglish
DR (Ahrefs)45
Total Keywords80,631
Referring Domains7,758
Domain Age11 yrs
Traffic (Jun 2026)3,533,047
Traffic Trend
Technology
louisiana.gov
LanguageEnglish
DR (Ahrefs)86
Total Keywords190,618
Referring Domains39,433
Domain Age26 yrs
Traffic (Jun 2026)3,353,522
Traffic Trend
Technology
planetary.org
LanguageEnglish
DR (Ahrefs)78
Total Keywords77,198
Referring Domains22,843
Domain Age31 yrs
Traffic (Jun 2026)3,308,889
Traffic Trend
Technology