Websites Powered by Heap
21,151 websites tracked using Heap (Analytics) · heap.io
Heap is a web analytics service that measures site traffic and visitor behavior. Its official site is heap.io. PoweredBy tracks the websites that use Heap across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the analytics ecosystem.
Usage trend
2.5K
5K
7.5K
10K
Apr 2018
May 2020
May 2022
Jun 2024
Jun 2026
Domains observed using Heap in each month's HTTP Archive crawl,
Apr 2018 to Jun 2026 · peak 9,864 in Apr 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.1 s
INP 75 ms
CLS 0
TTFB 800 ms
Median site among 8,442 Heap sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
6,872
India
3,188
United Kingdom
2,506
Canada
2,473
Australia
1,710
Germany
1,550
France
1,535
Philippines
1,511
Sites using Heap by audience country, Chrome UX Report.
Top sites by authority
9+
3% · 12 of 372 sites
8+
1% · 109 of 7,677 sites
7+
<1% · 340 of 45,712 sites
6+
<1% · 553 of 110,136 sites
5+
<1% · 808 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Heap in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Heap
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | cloudfront.net | 9.47/10 | - | - | Sep 2020 |
| 2 | harvard.edu | 9.24/10 | 472,900 | 13,570 | Apr 2025 |
| 3 | stanford.edu | 9.19/10 | 3,302,700 | 5,160 | Oct 2022 |
| 4 | eventbrite.com | 9.16/10 | 2,466,100 | 1,142,382 | May 2022 |
| 5 | klaviyo.com | 9.13/10 | 69,000 | 15,790 | May 2018 |
| 6 | zendesk.com | 9.10/10 | 416,900 | 60,938 | Aug 2018 |
| 7 | berkeley.edu | 9.10/10 | 166,900 | 5,412 | Oct 2023 |
| 8 | mckinsey.com | 9.09/10 | 530,900 | 291,302 | Aug 2022 |
| 9 | wpengine.com | 9.04/10 | 66,500 | 17,967 | Jul 2022 |
| 10 | ny.gov | 9.04/10 | 691,300 | 55,212 | Nov 2023 |
| 11 | umich.edu | 9.01/10 | 36,500 | 1,974 | Apr 2019 |
| 12 | uk.com | 9.00/10 | 2 | 12 | Jan 2019 |
| 13 | hotjar.com | 8.96/10 | 8,300 | 6,024 | Apr 2024 |
| 14 | eventbrite.co.uk | 8.89/10 | 5,500 | 12,423 | May 2022 |
| 15 | azurewebsites.net | 8.87/10 | - | - | Dec 2021 |
| 16 | site.com | 8.86/10 | - | 1 | Apr 2023 |
| 17 | semanticscholar.org | 8.84/10 | 167,300 | 308,945 | Jun 2018 |
| 18 | utah.gov | 8.80/10 | 129,900 | 27,432 | Feb 2024 |
| 19 | in.gov | 8.80/10 | 3,076,000 | 1,001,546 | Dec 2021 |
| 20 | georgetown.edu | 8.78/10 | 138,100 | 27,817 | May 2026 |
| 21 | crunchbase.com | 8.74/10 | 1,960,700 | 680,222 | Jun 2018 |
| 22 | utah.edu | 8.74/10 | 474,600 | 10,598 | Aug 2018 |
| 23 | intercom.com | 8.73/10 | 16,700 | 9,593 | Jun 2018 |
| 24 | justgiving.com | 8.71/10 | 3,100 | 5,043 | Mar 2020 |
| 25 | greenhouse.io | 8.70/10 | - | - | Aug 2018 |
| 26 | okta.com | 8.69/10 | 251,200 | 35,664 | Jun 2018 |
| 27 | twilio.com | 8.67/10 | 260,100 | 55,771 | Jun 2018 |
| 28 | wildapricot.org | 8.67/10 | - | - | Mar 2024 |
| 29 | pantheonsite.io | 8.67/10 | 7 | 5 | Nov 2022 |
| 30 | americanbar.org | 8.67/10 | 710,900 | 144,424 | Apr 2025 |
| 31 | tawk.to | 8.66/10 | 4,800 | 1,736 | May 2023 |
| 32 | toasttab.com | 8.65/10 | 769,400 | 384,099 | May 2019 |
| 33 | eventbrite.ca | 8.65/10 | 5,300 | 10,734 | May 2022 |
| 34 | postman.com | 8.64/10 | 35,200 | 23,417 | Jun 2023 |
| 35 | teachable.com | 8.63/10 | 17,600 | 3,238 | Aug 2018 |
| 36 | auth0.com | 8.62/10 | 46,500 | 17,381 | Mar 2020 |
| 37 | charitynavigator.org | 8.62/10 | 235,600 | 87,937 | Jun 2018 |
| 38 | colostate.edu | 8.62/10 | 189,200 | 11,352 | Dec 2022 |
| 39 | mt.gov | 8.62/10 | 209,800 | 17,377 | Nov 2022 |
| 40 | cfr.org | 8.60/10 | 1,033,300 | 181,814 | Oct 2024 |
| 41 | dartmouth.edu | 8.60/10 | 38,300 | 13,550 | Jan 2025 |
| 42 | nd.edu | 8.59/10 | 56,800 | 8,385 | May 2023 |
| 43 | workable.com | 8.58/10 | 6,000 | 2,575 | Jan 2022 |
| 44 | vidyard.com | 8.56/10 | 17,400 | 5,593 | Jun 2018 |
| 45 | rice.edu | 8.56/10 | 256,200 | 13,279 | Jul 2023 |
| 46 | eventbrite.de | 8.55/10 | 340 | 1,064 | May 2022 |
| 47 | nationalgeographic.org | 8.55/10 | 85,400 | 17,944 | Dec 2019 |
| 48 | eventbrite.com.au | 8.55/10 | 3,200 | 6,773 | May 2022 |
| 49 | adroll.com | 8.52/10 | 20,400 | 6,773 | Jun 2018 |
| 50 | eventbrite.it | 8.50/10 | 670 | 1,006 | May 2022 |
| 51 | papyrus-uk.org | 8.49/10 | 5,500 | 1,676 | Feb 2026 |
| 52 | snowflake.com | 8.49/10 | 63,700 | 24,665 | Nov 2021 |
| 53 | eventbrite.nl | 8.49/10 | 240 | 404 | May 2022 |
| 54 | ams.org | 8.48/10 | 63,200 | 12,770 | Apr 2026 |
| 55 | patagonia.com | 8.47/10 | 1,257,300 | 310,910 | Mar 2019 |
| 56 | hatenablog.com | 8.47/10 | - | - | Aug 2018 |
| 57 | nypl.org | 8.47/10 | 694,800 | 129,390 | Mar 2020 |
| 58 | databricks.com | 8.45/10 | 96,900 | 53,591 | Sep 2019 |
| 59 | adl.org | 8.45/10 | 415,400 | 67,022 | Jun 2026 |
| 60 | adaa.org | 8.45/10 | 97,300 | 27,773 | Jul 2021 |
| 61 | ballotpedia.org | 8.45/10 | 1,798,700 | 456,841 | Dec 2022 |
| 62 | quantcast.com | 8.44/10 | 1,400 | 420 | Aug 2018 |
| 63 | eventbrite.fr | 8.40/10 | 200 | 580 | May 2022 |
| 64 | photoshelter.com | 8.38/10 | 3,300 | 657 | Aug 2018 |
| 65 | sendgrid.com | 8.37/10 | 13,600 | 4,624 | May 2020 |
| 66 | code.org | 8.37/10 | 90,900 | 45,566 | Aug 2018 |
| 67 | beta.gouv.fr | 8.36/10 | 40 | 49 | Apr 2024 |
| 68 | plannedparenthood.org | 8.36/10 | 1,044,300 | 210,140 | Apr 2026 |
| 69 | audubon.org | 8.36/10 | 1,177,200 | 146,667 | Sep 2022 |
| 70 | wm.edu | 8.31/10 | 210,900 | 51,291 | Jan 2024 |
| 71 | wvu.edu | 8.31/10 | 89,800 | 17,348 | Oct 2022 |
| 72 | bsigroup.com | 8.30/10 | 15,900 | 4,873 | Aug 2022 |
| 73 | aaas.org | 8.30/10 | 89,200 | 21,174 | Apr 2026 |
| 74 | nttdata.com | 8.29/10 | 8,000 | 8,505 | Jun 2024 |
| 75 | mountsinai.org | 8.29/10 | 1,760,200 | 565,294 | Jun 2025 |
| 76 | salvationarmyusa.org | 8.28/10 | 1,039,000 | 343,843 | Aug 2018 |
| 77 | firebaseapp.com | 8.27/10 | - | - | Aug 2022 |
| 78 | americanaddictioncenters.org | 8.27/10 | 440,600 | 121,130 | Feb 2022 |
| 79 | bt.com | 8.26/10 | 153,100 | 19,613 | Jun 2023 |
| 80 | mindful.org | 8.26/10 | 98,900 | 12,048 | Mar 2022 |
| 81 | chop.edu | 8.26/10 | 1,318,800 | 212,894 | Sep 2019 |
| 82 | mux.com | 8.25/10 | 7,300 | 3,712 | Aug 2018 |
| 83 | allstate.com | 8.25/10 | 3,202,000 | 182,789 | Sep 2023 |
| 84 | eventbrite.es | 8.25/10 | 6,200 | 3,437 | May 2022 |
| 85 | mskcc.org | 8.23/10 | 1,086,400 | 244,685 | May 2023 |
| 86 | vocal.media | 8.23/10 | 1,417,700 | 1,061,051 | Aug 2020 |
| 87 | anaconda.com | 8.21/10 | 56,200 | 25,770 | Mar 2022 |
| 88 | usbank.com | 8.21/10 | 3,144,500 | 373,789 | Aug 2023 |
| 89 | 104.com.tw | 8.20/10 | 42,400 | 1,417 | Aug 2022 |
| 90 | lightspeedhq.com | 8.18/10 | 71,200 | 22,811 | Feb 2023 |
| 91 | nationaltoday.com | 8.14/10 | 2,325,600 | 136,121 | Apr 2026 |
| 92 | kidney.org | 8.14/10 | 867,200 | 184,224 | May 2023 |
| 93 | birdeye.com | 8.13/10 | 204,700 | 149,094 | Jan 2024 |
| 94 | submittable.com | 8.12/10 | 18,300 | 1,694 | Dec 2019 |
| 95 | optimonk.com | 8.11/10 | 10,100 | 5,507 | Mar 2019 |
| 96 | datacamp.com | 8.11/10 | 1,216,200 | 171,921 | Oct 2021 |
| 97 | authy.com | 8.09/10 | 14,200 | 8,517 | Jun 2018 |
| 98 | clover.com | 8.08/10 | 391,700 | 101,489 | Nov 2018 |
| 99 | girlswhocode.com | 8.05/10 | 1,200 | 2,984 | Aug 2022 |
| 100 | contentsquare.com | 8.05/10 | 50,200 | 12,545 | Jun 2024 |
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) →
Compare Heap
- Heap vs Google Analytics
- Heap vs Facebook Pixel
- Heap vs Cloudflare Browser Insights
- Heap vs Site Kit
- Heap vs Yandex.Metrika