Websites Powered by Simpli.fi
50,649 websites tracked using Simpli.fi (Advertising) · simpli.fi
Simpli.fi is a advertising and ad-serving technology used to display and manage online ads. Its official site is simpli.fi. PoweredBy tracks the websites that use Simpli.fi across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the advertising ecosystem.
Usage trend
10K
20K
30K
40K
Sep 2021
Dec 2022
Mar 2024
Jun 2025
Sep 2026
Domains observed using Simpli.fi in each month's HTTP Archive crawl,
Sep 2021 to Sep 2026 · peak 30,792 in May 2024. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.8 s
INP 75 ms
CLS 0
TTFB 800 ms
Median site among 29,103 Simpli.fi sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
27,634
Canada
3,495
India
2,390
United Kingdom
1,513
Mexico
1,125
Australia
1,109
Philippines
1,032
Pakistan
763
Sites using Simpli.fi by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Legal | 2.35% | 551 |
| Automotive | 2.08% | 1,441 |
| Real estate | 1.64% | 1,162 |
| Home and construction | 1.49% | 708 |
| Pets and animals | 1.30% | 36 |
| Finance and insurance | 1.05% | 174 |
| Healthcare | 0.76% | 815 |
| Arts and entertainment | 0.46% | 190 |
| Education | 0.45% | 225 |
| News and media | 0.37% | 157 |
| Professional services | 0.32% | 131 |
| Non-profit and religious | 0.29% | 23 |
Share of each industry's websites with a detected stack that use Simpli.fi; industries come from what sites declare in their own structured data.
Top sites by authority
9+
4% · 14 of 372 sites
8+
2% · 147 of 7,677 sites
7+
1% · 489 of 45,712 sites
6+
<1% · 961 of 110,136 sites
5+
<1% · 1,741 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Simpli.fi in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Simpli.fi
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | ca.gov | 9.23/10 | 1,455,600 | 26,086 | Apr 2022 |
| 2 | myshopify.com | 9.12/10 | - | - | Sep 2021 |
| 3 | squarespace.com | 9.11/10 | 233,400 | 29,406 | Sep 2021 |
| 4 | zendesk.com | 9.10/10 | 416,900 | 60,938 | Feb 2023 |
| 5 | berkeley.edu | 9.10/10 | 166,700 | 4,721 | Apr 2022 |
| 6 | vercel.app | 9.05/10 | - | - | Apr 2023 |
| 7 | house.gov | 9.05/10 | 752,000 | 103,932 | Sep 2021 |
| 8 | wpengine.com | 9.04/10 | 66,200 | 15,765 | Jul 2022 |
| 9 | ny.gov | 9.04/10 | 675,900 | 50,004 | Sep 2021 |
| 10 | ieee.org | 9.02/10 | 37,200 | 20,161 | Jun 2023 |
| 11 | netlify.app | 9.01/10 | 2 | 2 | Aug 2023 |
| 12 | psu.edu | 9.01/10 | 580,400 | 80,390 | Sep 2021 |
| 13 | umich.edu | 9.01/10 | 36,500 | 1,974 | Sep 2025 |
| 14 | uk.com | 9.00/10 | 2 | 12 | Sep 2021 |
| 15 | square.site | 8.99/10 | 91,400 | 35,156 | Nov 2021 |
| 16 | wisc.edu | 8.97/10 | 461,200 | 6,382 | Sep 2021 |
| 17 | umn.edu | 8.96/10 | 78 | 51 | Dec 2021 |
| 18 | webflow.io | 8.95/10 | 79 | 1 | May 2023 |
| 19 | nsw.gov.au | 8.95/10 | 75,300 | 73,181 | Sep 2021 |
| 20 | kickstarter.com | 8.91/10 | 394,100 | 138,530 | Sep 2026 |
| 21 | hilton.com | 8.88/10 | 11,865,100 | 558,639 | Jul 2026 |
| 22 | azurewebsites.net | 8.87/10 | - | - | Apr 2022 |
| 23 | site.com | 8.86/10 | - | 1 | Dec 2022 |
| 24 | us.com | 8.86/10 | 32 | 8 | Aug 2022 |
| 25 | purdue.edu | 8.86/10 | 746,900 | 132,133 | Dec 2023 |
| 26 | northwestern.edu | 8.86/10 | 193,400 | 45,922 | Oct 2025 |
| 27 | umd.edu | 8.85/10 | 253,200 | 15,103 | Nov 2023 |
| 28 | ufl.edu | 8.84/10 | 241,500 | 3,277 | Sep 2021 |
| 29 | ucsd.edu | 8.84/10 | 48,100 | 2,261 | Sep 2021 |
| 30 | ubc.ca | 8.84/10 | 14,500 | 2,813 | Apr 2022 |
| 31 | illinois.edu | 8.83/10 | 47,000 | 3,612 | Sep 2021 |
| 32 | unc.edu | 8.83/10 | 341,300 | 24,562 | Jan 2024 |
| 33 | virginia.gov | 8.82/10 | 338,000 | 19,778 | May 2022 |
| 34 | shrm.org | 8.80/10 | 328,200 | 96,364 | Jan 2024 |
| 35 | utah.gov | 8.80/10 | 129,700 | 22,115 | Sep 2021 |
| 36 | in.gov | 8.80/10 | 3,047,100 | 832,670 | Sep 2021 |
| 37 | georgetown.edu | 8.78/10 | 136,900 | 25,266 | Apr 2023 |
| 38 | msu.edu | 8.78/10 | 149,500 | 2,186 | Dec 2022 |
| 39 | bu.edu | 8.77/10 | 804,600 | 234,428 | Apr 2022 |
| 40 | tamu.edu | 8.76/10 | 349,600 | 9,431 | Sep 2021 |
| 41 | osu.edu | 8.76/10 | 144,000 | 12,535 | Sep 2021 |
| 42 | rutgers.edu | 8.75/10 | 146,600 | 28,567 | Dec 2021 |
| 43 | utah.edu | 8.74/10 | 474,500 | 10,126 | Apr 2022 |
| 44 | oregon.gov | 8.74/10 | 1,683,800 | 534,540 | Jan 2024 |
| 45 | virginia.edu | 8.73/10 | 265,100 | 10,889 | Apr 2022 |
| 46 | illinois.gov | 8.73/10 | 521,900 | 65,410 | Sep 2021 |
| 47 | cbp.gov | 8.71/10 | 1,946,200 | 380,283 | Mar 2024 |
| 48 | arizona.edu | 8.71/10 | 127,500 | 23,873 | Sep 2022 |
| 49 | pitt.edu | 8.69/10 | 62,900 | 8,520 | Jun 2022 |
| 50 | ky.gov | 8.68/10 | - | 1 | Feb 2022 |
| 51 | tufts.edu | 8.68/10 | 98,500 | 9,358 | Sep 2024 |
| 52 | wildapricot.org | 8.67/10 | - | - | Aug 2022 |
| 53 | pantheonsite.io | 8.67/10 | 7 | 5 | Aug 2022 |
| 54 | indiana.edu | 8.67/10 | - | - | Sep 2022 |
| 55 | dc.gov | 8.67/10 | 99,400 | 10,148 | Jul 2022 |
| 56 | hawaii.gov | 8.67/10 | 34 | 238 | Sep 2021 |
| 57 | idaho.gov | 8.65/10 | 95,300 | 6,755 | Sep 2021 |
| 58 | uga.edu | 8.65/10 | 234,500 | 2,950 | Mar 2024 |
| 59 | cuny.edu | 8.65/10 | 293,300 | 49,477 | Sep 2021 |
| 60 | uq.edu.au | 8.65/10 | 9,700 | 1,554 | Jul 2022 |
| 61 | simpli.fi | 8.64/10 | 1,400 | 518 | Sep 2021 |
| 62 | vt.edu | 8.64/10 | 215,100 | 20,548 | Feb 2024 |
| 63 | uiowa.edu | 8.63/10 | 93,100 | 14,187 | Sep 2021 |
| 64 | vermont.gov | 8.63/10 | 116,100 | 3,757 | Feb 2023 |
| 65 | vanderbilt.edu | 8.63/10 | 265,200 | 51,240 | Sep 2021 |
| 66 | buffalo.edu | 8.62/10 | 706,900 | 85,125 | Mar 2025 |
| 67 | hawaii.edu | 8.62/10 | 117,100 | 43,233 | Sep 2021 |
| 68 | miro.com | 8.61/10 | 263,400 | 76,873 | Jan 2025 |
| 69 | uic.edu | 8.61/10 | 68,900 | 11,201 | Apr 2022 |
| 70 | iu.edu | 8.61/10 | 79,300 | 4,571 | May 2022 |
| 71 | dartmouth.edu | 8.60/10 | 37,800 | 10,895 | Jul 2025 |
| 72 | iastate.edu | 8.60/10 | 161,300 | 18,508 | Sep 2021 |
| 73 | fedex.com | 8.59/10 | 7,968,400 | 230,248 | Sep 2021 |
| 74 | nd.edu | 8.59/10 | 56,800 | 8,385 | Oct 2021 |
| 75 | salesforce-sites.com | 8.58/10 | - | - | Apr 2023 |
| 76 | instructure.com | 8.58/10 | 363,900 | 21,158 | Sep 2021 |
| 77 | ucf.edu | 8.58/10 | 343,100 | 84,810 | Oct 2021 |
| 78 | nd.gov | 8.58/10 | 111,100 | 14,772 | Oct 2022 |
| 79 | akamai.com | 8.57/10 | 68,200 | 18,039 | Sep 2024 |
| 80 | aaa.com | 8.57/10 | 2,089,100 | 397,850 | Apr 2022 |
| 81 | la.gov | 8.56/10 | - | - | May 2022 |
| 82 | sd.gov | 8.54/10 | 67,700 | 9,987 | May 2024 |
| 83 | uconn.edu | 8.54/10 | 119,900 | 7,548 | Sep 2021 |
| 84 | ucr.edu | 8.53/10 | 112,800 | 11,969 | Oct 2021 |
| 85 | fsu.edu | 8.53/10 | 245,500 | 9,405 | Sep 2021 |
| 86 | nebraska.gov | 8.52/10 | 97,200 | 24,299 | Sep 2021 |
| 87 | ms.gov | 8.52/10 | 209,000 | 24,640 | Sep 2021 |
| 88 | jmir.org | 8.51/10 | 21,000 | 31,548 | Dec 2023 |
| 89 | hpe.com | 8.50/10 | 245,000 | 37,402 | Jun 2025 |
| 90 | ncaa.org | 8.50/10 | 235,800 | 37,650 | Dec 2021 |
| 91 | ada.org | 8.50/10 | 338,800 | 86,114 | Sep 2023 |
| 92 | miami.edu | 8.50/10 | 5 | 14 | Nov 2021 |
| 93 | sjsu.edu | 8.49/10 | 504,200 | 97,324 | Mar 2023 |
| 94 | uc.edu | 8.49/10 | 420,100 | 75,319 | Sep 2021 |
| 95 | unm.edu | 8.49/10 | 35,300 | 18,041 | Apr 2022 |
| 96 | transunion.com | 8.47/10 | 725,700 | 32,478 | Apr 2026 |
| 97 | gsu.edu | 8.45/10 | 54,900 | 28,378 | Jun 2022 |
| 98 | uh.edu | 8.44/10 | 403,000 | 106,047 | Nov 2025 |
| 99 | sfsu.edu | 8.43/10 | 93,600 | 8,252 | Jul 2025 |
| 100 | t-mobile.com | 8.42/10 | 4,787,200 | 486,740 | Jan 2025 |
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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