Websites Powered by Microsoft Ajax Content Delivery Network
73,868 websites tracked using Microsoft Ajax Content Delivery Network (CDN) · docs.microsoft.com
Microsoft Ajax Content Delivery Network is a content delivery network that serves assets from edge locations worldwide. Its official site is docs.microsoft.com. PoweredBy tracks the websites that use Microsoft Ajax Content Delivery Network across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the cdn ecosystem.
Usage trend
20K
40K
60K
Feb 2022
Apr 2023
Jun 2024
Aug 2025
Oct 2026
Domains observed using Microsoft Ajax Content Delivery Network in each month's HTTP Archive crawl,
Feb 2022 to Oct 2026 · peak 43,716 in Oct 2022. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.6 s
INP 75 ms
CLS 0
TTFB 600 ms
Median site among 31,817 Microsoft Ajax Content Delivery Network sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
13,205
United Kingdom
6,256
Canada
5,566
India
5,406
Australia
3,065
Germany
2,956
Italy
2,784
France
2,702
Sites using Microsoft Ajax Content Delivery Network by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Government | 1.19% | 112 |
| Industrial and manufacturing | 0.80% | 41 |
| Non-profit and religious | 0.42% | 44 |
| Real estate | 0.35% | 284 |
| Pets and animals | 0.31% | 10 |
| Retail | 0.25% | 934 |
| Finance and insurance | 0.20% | 41 |
| Legal | 0.17% | 48 |
| Arts and entertainment | 0.17% | 86 |
| Education | 0.14% | 88 |
| Healthcare | 0.10% | 131 |
| Travel and hospitality | 0.10% | 88 |
Share of each industry's websites with a detected stack that use Microsoft Ajax Content Delivery Network; industries come from what sites declare in their own structured data.
Top sites by authority
9+
6% · 22 of 372 sites
8+
3% · 248 of 7,677 sites
7+
1% · 669 of 45,712 sites
6+
1% · 1,105 of 110,136 sites
5+
<1% · 1,662 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Microsoft Ajax Content Delivery Network in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Microsoft Ajax Content Delivery Network
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | microsoft.com | 9.54/10 | 11,626,900 | 676,768 | Feb 2022 |
| 2 | cloudfront.net | 9.47/10 | - | - | Dec 2022 |
| 3 | nih.gov | 9.44/10 | 298,300 | 34,546 | Feb 2022 |
| 4 | blogspot.com | 9.39/10 | - | - | Feb 2022 |
| 5 | office.com | 9.34/10 | 1,732,000 | 27,193 | Feb 2022 |
| 6 | ca.gov | 9.23/10 | 1,455,600 | 26,086 | Feb 2022 |
| 7 | live.com | 9.20/10 | 1 | 1 | Feb 2022 |
| 8 | mit.edu | 9.18/10 | 163,800 | 31,239 | Mar 2022 |
| 9 | nature.com | 9.13/10 | 4,250,400 | 2,211,060 | Mar 2026 |
| 10 | myshopify.com | 9.12/10 | - | - | Feb 2022 |
| 11 | squarespace.com | 9.11/10 | 233,400 | 29,406 | Aug 2026 |
| 12 | zendesk.com | 9.10/10 | 416,900 | 60,938 | Sep 2022 |
| 13 | hhs.gov | 9.10/10 | 1,457,200 | 246,424 | Feb 2022 |
| 14 | statcounter.com | 9.07/10 | 1,900 | 806 | Feb 2022 |
| 15 | noaa.gov | 9.07/10 | 1,233,000 | 125,205 | Aug 2022 |
| 16 | worldbank.org | 9.05/10 | 698,600 | 170,839 | Jul 2026 |
| 17 | house.gov | 9.05/10 | 752,000 | 103,932 | Aug 2022 |
| 18 | free.fr | 9.05/10 | 3,400 | 1,262 | Feb 2022 |
| 19 | msn.com | 9.04/10 | 7,814,800 | 2,203,631 | Feb 2022 |
| 20 | psu.edu | 9.01/10 | 580,400 | 80,390 | Feb 2022 |
| 21 | uk.com | 9.00/10 | 2 | 12 | Feb 2022 |
| 22 | upenn.edu | 9.00/10 | 178,900 | 4,794 | Feb 2022 |
| 23 | ox.ac.uk | 8.98/10 | 214,200 | 93,016 | Feb 2022 |
| 24 | umn.edu | 8.96/10 | 78 | 51 | Nov 2022 |
| 25 | nsw.gov.au | 8.95/10 | 75,300 | 73,181 | Feb 2022 |
| 26 | sakura.ne.jp | 8.95/10 | - | - | Aug 2022 |
| 27 | ucla.edu | 8.93/10 | 410,700 | 13,782 | Feb 2022 |
| 28 | wa.gov | 8.93/10 | 719,700 | 7,869 | Jul 2026 |
| 29 | walmart.com | 8.91/10 | 77,455,200 | 10,944,972 | Sep 2024 |
| 30 | nyu.edu | 8.90/10 | 674,000 | 142,032 | Feb 2022 |
| 31 | jimdofree.com | 8.88/10 | - | - | Sep 2025 |
| 32 | ssrn.com | 8.88/10 | 19,700 | 21,995 | Aug 2022 |
| 33 | azurewebsites.net | 8.87/10 | - | - | Feb 2022 |
| 34 | us.com | 8.86/10 | 32 | 8 | Feb 2022 |
| 35 | intel.com | 8.86/10 | 1,114,400 | 162,353 | Feb 2022 |
| 36 | cvent.com | 8.85/10 | 700,000 | 230,289 | Feb 2022 |
| 37 | heart.org | 8.85/10 | 3,118,800 | 377,461 | Nov 2022 |
| 38 | ufl.edu | 8.84/10 | 241,500 | 3,277 | Feb 2022 |
| 39 | ucsd.edu | 8.84/10 | 48,100 | 2,261 | Feb 2022 |
| 40 | ubc.ca | 8.84/10 | 14,500 | 2,813 | Feb 2022 |
| 41 | ct.gov | 8.83/10 | 4,800 | 38 | Sep 2022 |
| 42 | ucdavis.edu | 8.83/10 | 381,100 | 81,485 | Feb 2022 |
| 43 | unc.edu | 8.83/10 | 341,300 | 24,562 | Jul 2022 |
| 44 | uscourts.gov | 8.83/10 | 1,577,500 | 178,527 | Feb 2022 |
| 45 | tokyo.lg.jp | 8.83/10 | - | - | May 2024 |
| 46 | maryland.gov | 8.82/10 | 173,200 | 7,155 | Feb 2022 |
| 47 | mpg.de | 8.81/10 | 59,700 | 20,903 | Aug 2022 |
| 48 | shrm.org | 8.80/10 | 328,200 | 96,364 | Feb 2022 |
| 49 | in.gov | 8.80/10 | 3,047,100 | 832,670 | Feb 2022 |
| 50 | ipsos.com | 8.79/10 | 23,800 | 18,825 | Nov 2024 |
| 51 | mn.gov | 8.78/10 | 964,900 | 239,950 | Dec 2022 |
| 52 | pa.gov | 8.78/10 | 3,807,400 | 1,087,569 | Feb 2022 |
| 53 | msu.edu | 8.78/10 | 149,500 | 2,186 | Feb 2022 |
| 54 | gouv.qc.ca | 8.77/10 | - | - | Feb 2022 |
| 55 | web.app | 8.76/10 | - | - | Apr 2025 |
| 56 | uci.edu | 8.76/10 | 94,600 | 9,503 | Feb 2022 |
| 57 | tamu.edu | 8.76/10 | 349,600 | 9,431 | Mar 2022 |
| 58 | mo.gov | 8.75/10 | 135,400 | 9,347 | Feb 2022 |
| 59 | herokuapp.com | 8.74/10 | - | - | Aug 2022 |
| 60 | utah.edu | 8.74/10 | 474,500 | 10,126 | Feb 2022 |
| 61 | oregon.gov | 8.74/10 | 1,683,800 | 534,540 | Feb 2022 |
| 62 | illinois.gov | 8.73/10 | 521,900 | 65,410 | Feb 2022 |
| 63 | ucsb.edu | 8.71/10 | 73,800 | 11,445 | Feb 2022 |
| 64 | u-tokyo.ac.jp | 8.71/10 | 25,200 | 7,795 | Sep 2022 |
| 65 | ucsf.edu | 8.70/10 | 161,700 | 52,728 | Feb 2022 |
| 66 | gambleaware.org | 8.69/10 | 1,300 | 1,688 | Dec 2024 |
| 67 | in.net | 8.69/10 | - | - | Jun 2022 |
| 68 | gatech.edu | 8.68/10 | 128,100 | 22,038 | Oct 2022 |
| 69 | xsrv.jp | 8.68/10 | - | - | Aug 2022 |
| 70 | unimelb.edu.au | 8.68/10 | 16,100 | 7,502 | Feb 2022 |
| 71 | att.com | 8.67/10 | 9,543,600 | 448,398 | Feb 2022 |
| 72 | ed.ac.uk | 8.67/10 | 29,600 | 5,927 | Feb 2022 |
| 73 | aap.org | 8.67/10 | 189,400 | 34,403 | Jul 2022 |
| 74 | azure.com | 8.66/10 | - | - | Feb 2022 |
| 75 | state.mn.us | 8.65/10 | 1,200 | 64 | Feb 2022 |
| 76 | ihg.com | 8.65/10 | 4,228,000 | 404,690 | Nov 2022 |
| 77 | collegeboard.org | 8.64/10 | 535,300 | 8,598 | Dec 2023 |
| 78 | wsu.edu | 8.64/10 | 66,200 | 13,870 | Feb 2022 |
| 79 | main.jp | 8.64/10 | - | - | May 2022 |
| 80 | alz.org | 8.63/10 | 260,600 | 64,277 | Feb 2022 |
| 81 | uiowa.edu | 8.63/10 | 93,100 | 14,187 | Feb 2022 |
| 82 | wi.gov | 8.63/10 | - | - | Feb 2022 |
| 83 | vanderbilt.edu | 8.63/10 | 265,200 | 51,240 | Aug 2024 |
| 84 | asp.net | 8.62/10 | 1,100 | 1 | Feb 2026 |
| 85 | nationaleatingdisorders.org | 8.62/10 | 181,500 | 9,968 | Jun 2026 |
| 86 | asahi.com | 8.62/10 | 62,100 | 33,939 | Feb 2022 |
| 87 | com.de | 8.62/10 | 5 | 14 | Aug 2022 |
| 88 | colostate.edu | 8.62/10 | 189,100 | 10,871 | Feb 2022 |
| 89 | alaska.gov | 8.62/10 | 61,700 | 7,776 | Aug 2022 |
| 90 | bfmtv.com | 8.61/10 | 21,000 | 39,340 | Feb 2022 |
| 91 | lego.com | 8.61/10 | 4,295,300 | 493,980 | Oct 2025 |
| 92 | nv.gov | 8.61/10 | 109,900 | 5,228 | Dec 2022 |
| 93 | sa.com | 8.58/10 | - | - | Feb 2022 |
| 94 | salesforce-sites.com | 8.58/10 | - | - | Apr 2023 |
| 95 | warwick.ac.uk | 8.58/10 | 45,500 | 33,900 | Jul 2022 |
| 96 | ucf.edu | 8.58/10 | 343,100 | 84,810 | Feb 2022 |
| 97 | alberta.ca | 8.58/10 | 115,900 | 65,281 | Feb 2024 |
| 98 | unam.mx | 8.58/10 | 1,900 | 1,196 | Dec 2022 |
| 99 | neocities.org | 8.57/10 | 22,900 | 5,318 | Jul 2024 |
| 100 | ru.nl | 8.57/10 | 3,700 | 3,479 | Mar 2022 |
Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.
Download top 10,000 as CSV (zip) →
Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).
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