Websites Powered by Proton Mail
39,049 websites tracked using Proton Mail (Webmail) · proton.me
Proton Mail is a webmail interface for reading email in a browser. Its official site is proton.me. PoweredBy tracks the websites that use Proton Mail across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the webmail ecosystem.
Usage trend
5K
10K
15K
20K
Jan 2023
Dec 2023
Nov 2024
Oct 2025
Sep 2026
Domains observed using Proton Mail in each month's HTTP Archive crawl,
Jan 2023 to Sep 2026 · peak 16,282 in Sep 2026. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.7 s
INP 75 ms
CLS 0
TTFB 700 ms
Median site among 12,135 Proton Mail sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
5,929
United Kingdom
2,191
India
2,032
Germany
1,966
France
1,962
Canada
1,813
Netherlands
1,488
Spain
1,398
Sites using Proton Mail by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Software and apps | 0.54% | 626 |
| Games | 0.43% | 21 |
| Non-profit and religious | 0.24% | 19 |
| Finance and insurance | 0.24% | 39 |
| Professional services | 0.21% | 87 |
| News and media | 0.19% | 79 |
| Blogs and publishing | 0.18% | 45 |
| Legal | 0.18% | 41 |
| Healthcare | 0.16% | 166 |
| Arts and entertainment | 0.13% | 55 |
| Sports and fitness | 0.13% | 22 |
| Beauty and wellness | 0.13% | 34 |
Share of each industry's websites with a detected stack that use Proton Mail; industries come from what sites declare in their own structured data.
Top sites by authority
9+
2% · 8 of 372 sites
8+
<1% · 52 of 7,677 sites
7+
<1% · 204 of 45,712 sites
6+
<1% · 435 of 110,136 sites
5+
<1% · 761 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Proton Mail in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Proton Mail
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | europa.eu | 9.57/10 | 42,200 | 31,835 | Jul 2026 |
| 2 | shopify.com | 9.48/10 | 1,088,600 | 200,562 | Dec 2023 |
| 3 | reddit.com | 9.31/10 | 817,602,100 | 68,754,231 | Mar 2026 |
| 4 | weforum.org | 9.08/10 | 863,600 | 203,316 | Jan 2023 |
| 5 | unesco.org | 9.06/10 | 294,400 | 71,304 | Feb 2026 |
| 6 | frontiersin.org | 9.06/10 | 869,400 | 706,983 | Jun 2025 |
| 7 | tripadvisor.com | 9.05/10 | 160,133,900 | 11,441,444 | Dec 2025 |
| 8 | uk.com | 9.00/10 | 2 | 12 | Apr 2023 |
| 9 | hotjar.com | 8.96/10 | 8,300 | 6,024 | Oct 2025 |
| 10 | jimdo.com | 8.88/10 | 5,000 | 3,125 | Dec 2023 |
| 11 | optimizely.com | 8.86/10 | 149,400 | 9,101 | Oct 2025 |
| 12 | us.com | 8.86/10 | 32 | 8 | Feb 2025 |
| 13 | borlabs.io | 8.82/10 | 190 | 807 | Mar 2026 |
| 14 | it.com | 8.81/10 | - | - | Jul 2025 |
| 15 | perplexity.ai | 8.81/10 | 748,100 | 62,935 | Jun 2026 |
| 16 | gdpr.eu | 8.72/10 | 22,100 | 5,735 | Jan 2023 |
| 17 | usercentrics.com | 8.69/10 | 14,200 | 4,889 | Jan 2023 |
| 18 | donorbox.org | 8.67/10 | 78,700 | 27,305 | Jan 2025 |
| 19 | ap.org | 8.61/10 | 483,200 | 37,741 | May 2025 |
| 20 | letemps.ch | 8.60/10 | 2,900 | 5,495 | Jan 2026 |
| 21 | pipedrive.com | 8.58/10 | 69,500 | 21,845 | Jul 2025 |
| 22 | neocities.org | 8.57/10 | 22,900 | 5,318 | Aug 2025 |
| 23 | la.gov | 8.56/10 | - | - | Mar 2023 |
| 24 | sqlite.org | 8.55/10 | 14,200 | 12,735 | Jan 2023 |
| 25 | toplist.cz | 8.55/10 | 15 | 8 | Jan 2023 |
| 26 | fullstory.com | 8.54/10 | 40,900 | 5,026 | Mar 2025 |
| 27 | jp.net | 8.52/10 | 66 | 7 | Aug 2023 |
| 28 | hackerone.com | 8.50/10 | 43,300 | 5,407 | Aug 2025 |
| 29 | datadoghq.com | 8.49/10 | 40,500 | 17,617 | Jul 2026 |
| 30 | proton.me | 8.42/10 | 806,600 | 60,350 | Jan 2023 |
| 31 | gamma.app | 8.42/10 | 80,100 | 17,470 | Aug 2025 |
| 32 | ghostery.com | 8.41/10 | 31,000 | 12,214 | Dec 2023 |
| 33 | theintercept.com | 8.41/10 | 38,400 | 19,052 | Feb 2023 |
| 34 | interaction-design.org | 8.37/10 | 190,200 | 29,842 | Jan 2023 |
| 35 | tf1.fr | 8.36/10 | 38,600 | 11,800 | May 2026 |
| 36 | hachyderm.io | 8.32/10 | 460 | 907 | Jul 2026 |
| 37 | bitdefender.com | 8.32/10 | 205,200 | 57,745 | Dec 2025 |
| 38 | muckrack.com | 8.22/10 | 392,900 | 149,376 | Feb 2026 |
| 39 | tk.de | 8.21/10 | 3,300 | 3,207 | Dec 2025 |
| 40 | applovin.com | 8.18/10 | 23,800 | 1,189 | Jul 2025 |
| 41 | stocksnap.io | 8.18/10 | 49,400 | 12,839 | Jan 2026 |
| 42 | manychat.com | 8.15/10 | 17,400 | 12,470 | Mar 2026 |
| 43 | charitywater.org | 8.15/10 | 3,700 | 2,489 | Jul 2025 |
| 44 | winehq.org | 8.11/10 | 14,000 | 3,438 | Dec 2025 |
| 45 | contentsquare.com | 8.05/10 | 50,200 | 12,545 | Sep 2025 |
| 46 | epic.org | 8.05/10 | 33,400 | 7,794 | Nov 2024 |
| 47 | futureoflife.org | 8.03/10 | 37,400 | 3,444 | Jan 2023 |
| 48 | globalresearch.ca | 8.03/10 | 2,600 | 2,316 | Jul 2026 |
| 49 | commonsense.org | 8.02/10 | 370,900 | 26,537 | Jun 2026 |
| 50 | betanews.com | 8.00/10 | 15,400 | 14,468 | Jul 2025 |
| 51 | jezebel.com | 8.00/10 | 66,300 | 34,127 | May 2026 |
| 52 | counterpunch.org | 8.00/10 | 34,700 | 35,134 | Jan 2023 |
| 53 | etymonline.com | 7.98/10 | 2,970,300 | 407,673 | Aug 2023 |
| 54 | ssb.no | 7.97/10 | 5,600 | 4,249 | Apr 2026 |
| 55 | ilrc.org | 7.92/10 | 112,400 | 33,050 | Jan 2026 |
| 56 | norden.org | 7.89/10 | 134,400 | 7,885 | Jul 2026 |
| 57 | bark.com | 7.87/10 | 69,100 | 24,609 | Aug 2025 |
| 58 | mstdn.social | 7.87/10 | 2,400 | 1,703 | Jan 2023 |
| 59 | feefo.com | 7.82/10 | 6,600 | 7,855 | Nov 2025 |
| 60 | protonvpn.com | 7.82/10 | 88,500 | 37,661 | Jan 2023 |
| 61 | lambdalegal.org | 7.81/10 | 11,600 | 4,087 | Mar 2025 |
| 62 | frontlinedefenders.org | 7.80/10 | 3,500 | 1,595 | Jun 2026 |
| 63 | privacyinternational.org | 7.80/10 | 8,300 | 2,888 | Jan 2023 |
| 64 | urlr.me | 7.78/10 | 720 | 167 | Oct 2023 |
| 65 | smartly.io | 7.77/10 | 1,800 | 1,551 | Feb 2025 |
| 66 | talkingpointsmemo.com | 7.77/10 | 12,600 | 8,564 | Feb 2025 |
| 67 | morguefile.com | 7.76/10 | 9,300 | 3,897 | Jan 2023 |
| 68 | remote.com | 7.73/10 | 87,100 | 23,159 | Dec 2025 |
| 69 | ptj.de | 7.72/10 | 11 | 22 | Sep 2026 |
| 70 | bitpay.com | 7.71/10 | 15,300 | 6,771 | Aug 2025 |
| 71 | webstarts.com | 7.70/10 | 4,800 | 888 | Jan 2023 |
| 72 | partnershiponai.org | 7.70/10 | 2,200 | 637 | Jan 2023 |
| 73 | gratisography.com | 7.70/10 | 12,500 | 2,852 | Jan 2023 |
| 74 | neura.edu.au | 7.68/10 | 670 | 433 | Apr 2025 |
| 75 | payu.com | 7.68/10 | - | - | Aug 2026 |
| 76 | goldstandard.org | 7.67/10 | 10,100 | 1,222 | Aug 2025 |
| 77 | roteskreuz.at | 7.67/10 | 73 | 264 | Jun 2026 |
| 78 | opentracing.io | 7.66/10 | 32 | 12 | Jan 2023 |
| 79 | trivago.com | 7.66/10 | 1,056,000 | 473,312 | Jun 2026 |
| 80 | ifstudies.org | 7.66/10 | 27,200 | 16,627 | Jan 2023 |
| 81 | defillama.com | 7.61/10 | 10,100 | 7,476 | Apr 2025 |
| 82 | websitepolicies.com | 7.60/10 | 11,000 | 2,039 | Jan 2023 |
| 83 | pragmaticplay.com | 7.59/10 | 13,400 | 2,811 | Apr 2026 |
| 84 | playframework.com | 7.58/10 | 550 | 468 | Feb 2026 |
| 85 | republik.ch | 7.55/10 | 120 | 382 | Apr 2026 |
| 86 | supercell.com | 7.53/10 | 468,500 | 44,483 | Feb 2024 |
| 87 | fevo.com | 7.51/10 | 1,000 | 310 | May 2026 |
| 88 | kva.se | 7.50/10 | 600 | 512 | Sep 2025 |
| 89 | itsfoss.com | 7.49/10 | 84,800 | 40,352 | Jan 2023 |
| 90 | minds.com | 7.49/10 | 7,700 | 120 | Jan 2023 |
| 91 | hm.edu | 7.49/10 | 480 | 252 | Dec 2024 |
| 92 | eth.limo | 7.48/10 | - | - | Jan 2023 |
| 93 | authjs.dev | 7.47/10 | 3,100 | 4,314 | Feb 2023 |
| 94 | nocnsf.nl | 7.46/10 | 480 | 221 | Apr 2024 |
| 95 | uppsala.se | 7.46/10 | 350 | 243 | Jun 2026 |
| 96 | wunderkind.co | 7.45/10 | 930 | 222 | Jul 2024 |
| 97 | nais.org | 7.45/10 | 16,500 | 4,057 | Mar 2026 |
| 98 | mil.gov.ua | 7.45/10 | - | - | Jan 2023 |
| 99 | hslda.org | 7.45/10 | 53,700 | 7,997 | Jan 2023 |
| 100 | prri.org | 7.45/10 | 11,300 | 4,248 | May 2026 |
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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