Websites Powered by AddEvent
1,882 websites tracked using AddEvent (Appointment scheduling) · www.addevent.com
AddEvent is a appointment-scheduling and booking tool. Its official site is addevent.com. PoweredBy tracks the websites that use AddEvent across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the appointment scheduling ecosystem.
Usage trend
500
1K
1.5K
Feb 2023
Jan 2024
Dec 2024
Nov 2025
Oct 2026
Domains observed using AddEvent in each month's HTTP Archive crawl,
Feb 2023 to Oct 2026 · peak 1,358 in Apr 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.9 s
INP 75 ms
CLS 0
TTFB 900 ms
Median site among 1,018 AddEvent sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
598
United Kingdom
271
Canada
250
India
250
France
177
Australia
166
Spain
155
Germany
153
Sites using AddEvent by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Non-profit and religious | 0.06% | 6 |
| Arts and entertainment | 0.02% | 12 |
| Education | 0.02% | 13 |
| Real estate | 0.01% | 9 |
| Finance and insurance | <0.01% | 1 |
| Software and apps | <0.01% | 4 |
| Healthcare | <0.01% | 3 |
| Retail | <0.01% | 3 |
Share of each industry's websites with a detected stack that use AddEvent; industries come from what sites declare in their own structured data.
Top sites by authority
9+
2% · 6 of 372 sites
8+
<1% · 27 of 7,677 sites
7+
<1% · 71 of 45,712 sites
6+
<1% · 118 of 110,136 sites
5+
<1% · 159 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running AddEvent in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using AddEvent
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | harvard.edu | 9.24/10 | 472,700 | 11,444 | Feb 2023 |
| 2 | ca.gov | 9.23/10 | 1,455,600 | 26,086 | Feb 2023 |
| 3 | mit.edu | 9.18/10 | 163,800 | 31,239 | Feb 2023 |
| 4 | worldbank.org | 9.05/10 | 698,600 | 170,839 | Feb 2023 |
| 5 | netlify.app | 9.01/10 | 2 | 2 | Oct 2026 |
| 6 | psu.edu | 9.01/10 | 580,400 | 80,390 | Feb 2023 |
| 7 | princeton.edu | 8.98/10 | 244,600 | 46,551 | Feb 2023 |
| 8 | washington.edu | 8.96/10 | 663,900 | 86,604 | Mar 2023 |
| 9 | webflow.io | 8.95/10 | 79 | 1 | Jun 2026 |
| 10 | uchicago.edu | 8.92/10 | 63,700 | 10,331 | Feb 2023 |
| 11 | cam.ac.uk | 8.87/10 | 208,200 | 35,354 | Feb 2023 |
| 12 | umd.edu | 8.85/10 | 253,200 | 15,103 | Feb 2023 |
| 13 | ubc.ca | 8.84/10 | 14,500 | 2,813 | Feb 2023 |
| 14 | maryland.gov | 8.82/10 | 173,200 | 7,155 | May 2026 |
| 15 | virginia.edu | 8.73/10 | 265,100 | 10,889 | Feb 2023 |
| 16 | freshdesk.com | 8.71/10 | 3 | 2 | Feb 2023 |
| 17 | pantheonsite.io | 8.67/10 | 7 | 5 | Jul 2023 |
| 18 | uw.edu | 8.66/10 | - | 3 | Mar 2023 |
| 19 | unam.mx | 8.58/10 | 1,900 | 1,196 | Feb 2023 |
| 20 | fsu.edu | 8.53/10 | 245,500 | 9,405 | Feb 2023 |
| 21 | nebraska.gov | 8.52/10 | 97,200 | 24,299 | Feb 2023 |
| 22 | cea.fr | 8.27/10 | 2,000 | 1,809 | Feb 2023 |
| 23 | fidoalliance.org | 8.24/10 | 25,100 | 7,493 | Feb 2023 |
| 24 | computerhistory.org | 8.24/10 | 60,600 | 11,841 | Feb 2023 |
| 25 | arthritis.org | 8.23/10 | 574,800 | 136,869 | Feb 2023 |
| 26 | health.wa.gov.au | 8.22/10 | 18,600 | 18,741 | Feb 2023 |
| 27 | utas.edu.au | 8.07/10 | 21,300 | 12,064 | Feb 2023 |
| 28 | braze.com | 7.99/10 | 10,000 | 6,737 | Oct 2026 |
| 29 | sonarsource.com | 7.98/10 | 15,000 | 6,185 | Aug 2026 |
| 30 | asiasociety.org | 7.93/10 | 247,200 | 34,174 | Feb 2023 |
| 31 | ucmerced.edu | 7.92/10 | 64,900 | 8,155 | Mar 2023 |
| 32 | turing.ac.uk | 7.88/10 | 17,200 | 1,903 | Feb 2023 |
| 33 | govexec.com | 7.84/10 | 138,800 | 42,597 | Apr 2026 |
| 34 | vfairs.com | 7.77/10 | 4,600 | 3,749 | Feb 2023 |
| 35 | defenseone.com | 7.76/10 | 25,800 | 16,595 | Apr 2026 |
| 36 | smartrecovery.org | 7.73/10 | 16,700 | 16,763 | Apr 2023 |
| 37 | hkust.edu.hk | 7.72/10 | 5,900 | 1,875 | Feb 2023 |
| 38 | salford.ac.uk | 7.65/10 | 4,400 | 4,847 | May 2023 |
| 39 | acu.edu.au | 7.64/10 | 4,100 | 5,760 | Feb 2023 |
| 40 | stjohns.edu | 7.57/10 | 114,600 | 43,347 | Feb 2023 |
| 41 | brewersassociation.org | 7.55/10 | 39,800 | 8,053 | Feb 2023 |
| 42 | state.wi.us | 7.54/10 | - | - | May 2026 |
| 43 | renault.com | 7.46/10 | - | - | Feb 2023 |
| 44 | copyhackers.com | 7.45/10 | 1,700 | 1,315 | Jun 2023 |
| 45 | convenience.org | 7.43/10 | 46,200 | 18,461 | Feb 2023 |
| 46 | emol.com | 7.43/10 | 6,200 | 12,049 | Feb 2023 |
| 47 | cityandstateny.com | 7.42/10 | 37,500 | 24,591 | Sep 2026 |
| 48 | pinakothek.de | 7.42/10 | 4,100 | 826 | Sep 2023 |
| 49 | renaultgroup.com | 7.40/10 | 24,000 | 2,474 | Feb 2023 |
| 50 | fcps.edu | 7.40/10 | 275,300 | 73,757 | Feb 2023 |
| 51 | independent.com | 7.39/10 | 130,700 | 76,498 | Feb 2023 |
| 52 | afpa.fr | 7.38/10 | 200 | 393 | Feb 2023 |
| 53 | oneclub.org | 7.37/10 | 10,300 | 8,247 | Feb 2023 |
| 54 | inss.org.il | 7.36/10 | 7,600 | 4,591 | Feb 2023 |
| 55 | touro.edu | 7.33/10 | 151,900 | 12,975 | Feb 2023 |
| 56 | iabuk.com | 7.32/10 | 2,100 | 1,005 | Feb 2023 |
| 57 | rstreet.org | 7.30/10 | 9,200 | 8,495 | May 2024 |
| 58 | royalalberthall.com | 7.18/10 | 54,600 | 15,438 | Feb 2023 |
| 59 | diaart.org | 7.12/10 | 33,000 | 3,714 | Feb 2023 |
| 60 | universidadeuropea.com | 7.10/10 | 20,500 | 8,485 | May 2023 |
| 61 | issa.com | 7.09/10 | 2,400 | 2,148 | Nov 2024 |
| 62 | massculturalcouncil.org | 7.09/10 | 48,300 | 3,399 | Feb 2023 |
| 63 | beckinstitute.org | 7.08/10 | 8,500 | 1,523 | Feb 2023 |
| 64 | ufabc.edu.br | 7.07/10 | 58 | 135 | Feb 2023 |
| 65 | all4ed.org | 7.05/10 | 1,400 | 1,122 | Feb 2023 |
| 66 | womentech.net | 7.02/10 | 5,700 | 4,570 | Feb 2023 |
| 67 | geektime.co.il | 7.02/10 | 270 | 346 | May 2023 |
| 68 | resmed.com | 7.02/10 | 49,800 | 11,260 | Feb 2023 |
| 69 | moaa.org | 7.02/10 | 29,200 | 18,814 | Feb 2023 |
| 70 | alzdiscovery.org | 7.02/10 | 25,900 | 6,999 | Feb 2023 |
| 71 | univ-larochelle.fr | 7.02/10 | 74 | 170 | Feb 2023 |
| 72 | tourolaw.edu | 6.97/10 | 4,800 | 2,054 | Feb 2023 |
| 73 | andover.edu | 6.94/10 | 19,100 | 4,959 | Feb 2023 |
| 74 | biophysics.org | 6.90/10 | 12,500 | 2,297 | Feb 2023 |
| 75 | redrocksonline.com | 6.88/10 | 488,500 | 31,024 | Feb 2023 |
| 76 | givaudan.com | 6.87/10 | 16,700 | 8,707 | Jul 2023 |
| 77 | rockvillemd.gov | 6.86/10 | 48,000 | 10,638 | Nov 2025 |
| 78 | cloud-cme.com | 6.85/10 | - | - | Feb 2023 |
| 79 | teachingbooks.net | 6.83/10 | 7,100 | 5,115 | Feb 2023 |
| 80 | chatham.edu | 6.81/10 | 32,700 | 4,903 | Feb 2023 |
| 81 | ebf.eu | 6.80/10 | 210 | 335 | Feb 2023 |
| 82 | serco.com | 6.78/10 | 9,500 | 4,007 | Feb 2023 |
| 83 | mckinneytexas.org | 6.78/10 | 89,900 | 23,816 | Aug 2025 |
| 84 | fcnl.org | 6.75/10 | 9,800 | 3,812 | Feb 2023 |
| 85 | aiany.org | 6.73/10 | 12,900 | 3,307 | Feb 2023 |
| 86 | eileenfisher.com | 6.71/10 | 44,800 | 22,167 | Feb 2023 |
| 87 | homebrewersassociation.org | 6.71/10 | 82,800 | 13,892 | Nov 2023 |
| 88 | ballotready.org | 6.71/10 | 9,000 | 13,868 | Feb 2023 |
| 89 | fdf.org.uk | 6.69/10 | 140 | 290 | May 2025 |
| 90 | recruitingdaily.com | 6.66/10 | 890 | 1,347 | Feb 2023 |
| 91 | mfsa.mt | 6.66/10 | 31,300 | 1,124 | Feb 2023 |
| 92 | downiewenjack.ca | 6.53/10 | 210 | 191 | Feb 2023 |
| 93 | investeurope.eu | 6.52/10 | 1,800 | 458 | Feb 2023 |
| 94 | usglc.org | 6.51/10 | 4,100 | 2,740 | Feb 2023 |
| 95 | kimbellart.org | 6.49/10 | 57,400 | 11,048 | May 2026 |
| 96 | ottawa.edu | 6.42/10 | 12,100 | 4,743 | Feb 2023 |
| 97 | gcc.edu | 6.41/10 | 20,000 | 6,341 | Feb 2023 |
| 98 | massbio.org | 6.36/10 | 10,400 | 2,822 | Feb 2023 |
| 99 | eventcube.io | 6.36/10 | 6,800 | 2,959 | Feb 2023 |
| 100 | semg.es | 6.34/10 | 2,400 | 2,784 | May 2023 |
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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