Technology · Business Email Hosting · Secure Email
114,899 websites in the live index use Proton Mail as of October 2026. Download the full list of Proton Mail websites with website, company, country and language.
SourceAs of October 28, 2026, TechLeads detects Proton Mail on 114,899 websites: 65.0% of Secure Email detections, the 1st most-used of 67 Secure Email technologies we track. Used by 14 of the top 1,000 ranked websites using Proton Mail.
Sample results for Proton Mail. Description is shown under each title.
| Rank | Website | Title · Description | Company | Country | Language |
|---|---|---|---|---|---|
| #719 | donorbox.org | Help Waste Limited Clean Florida! | Waste Limited (Powered by Donorbox)Waste Limited is engaging in frequent volunteer cleanups in Central Florida. Our teams are removing litter from streets, sidewalks and parks. We're using both high and low tech approaches to maximize efficiency. From trash cans strapped to our ... | - | - | - |
| #737 | gdpr.eu | General Data Protection Regulation (GDPR) Compliance GuidelinesThe EU General Data Protection Regulation went into effect on May 25, 2018, replacing the Data Protection Directive 95/46/EC. Designed to increase data privacy for EU citizens, the regulation levies steep fines on organizations that don’t follow the law. | GDPR.eu | - | - |
| #1,000 | croxyproxy.com | Free web proxy and a cutting-edge online proxy | CroxyProxyCroxyProxy is a cutting-edge secure web proxy service. Use it to access your favorite websites and web applications: as a Facebook or YouTube proxy. It is free, you can try this online proxy right now! | - | - | - |
| #2,212 | sqlite.org | SQLite Home Page | - | - | - |
| #3,067 | theintercept.com | The Intercept | - | - | - |
| #3,538 | betanews.com | Technology News and Analysis - BetaNewsTechnology News and Analysis | BetaNews | - | - |
| #3,650 | itsfoss.com | It's FOSSMaking You a Better Linux User | It's FOSS | - | en |
| #4,706 | usercentrics.com | Usercentrics | Leading in Data Privacy & Compliance | - | - | - |
| #4,988 | talkingpointsmemo.com | TPM: Talking Points Memo - Breaking News and AnalysisTalking Points Memo (TPM) is an independent news organization that publishes reporting and analysis about American politics, public policy and political culture. | TPM – Talking Points Memo | - | - |
| #5,417 | futureoflife.org | Home - Future of Life InstituteFLI works on reducing extreme risks from transformative technologies. We are best known for developing the Asilomar AI governance principles. | - | - | - |
| #5,992 | supercell.com | Supercell StoreWe have made the decision to end the development of Clash Mini, which was a good game but not the game that would ultimately fulfill our dream – to create great games that as many people as possible play for years and that are remembered forever | - | - | - |
| #6,026 | guykawasaki.com | Guy KawasakiGuy Kawasaki is a Silicon-Valley based author, speaker, entrepreneur, and evangelist. | - | - | - |
| #6,296 | cults3d.com | All the 3D models of Grunthos_Designs・CultsRepository of 3D printable designs shared by Grunthos_Designs, designer from Cults, the 3D printing platform. | - | - | - |
| #7,537 | epic.org | EPIC – Electronic Privacy Information Center | - | - | - |
| #7,612 | filebin.net | FilebinConvenient file sharing. Registration is not required. Large files are supported. | - | - | - |
| #7,738 | eyebeam.org | EyebeamEyebeam invests in artists who create with technology and explore how it influences the way we live. | - | - | - |
| #7,824 | gamma.app | Gamma | - | - | - |
| #8,165 | chir.ag | Gallery - Chirag Mehta : chir.agChirag Mehta - Personal Web Log - | - | - | - |
| #8,623 | mstdn.social | Moritz Sternemann (@strnmn@mstdn.social) - Mastodon 🐘 | - | - | en |
| #9,542 | morguefile.com | Morguefile.com free photographs for commercial use. | - | - | - |
| #9,909 | guardianproject.info | About Guardian Project - Guardian ProjectWe are a global team who builds and designs easy to use secure apps, open-source software libraries, and customized solutions that can be used around the world by any person or organization looking to protect their communications and data from unjust intrusion, interception and monitoring. Whether y | - | - | - |
| #10,000 | laowang.vip | 老王论坛_laowang老王论坛|laowang 官网 | - | - | - |
| #10,000 | bmstores.co.uk | B&M | Discount Retail Store | Garden, Home, Toys & More | - | - | - |
| #15,816 | rapidgator.net | RapidgatorЯзык: English Контекст: meta_tag file hosting, cloud hosting, safe and secure hosting, file sharing file hosting, cloud hosting, safe and secure hosting, file sharing Download file from Rapidgator. Cloud hosting solutions, safe and secure file hosting | Rapidgator | - | en |
| #16,075 | yellowcard.io | Yellow Card | Africa's Leading Stablecoin Payment Infrastructure | Yellowcard | US | en-us |
Complete Proton Mail website dataset in CSV. One-time purchase.
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The most-used Secure Email technologies in the TechLeads index, by number of websites. Proton Mail accounts for 65.0% of Secure Email detections (114,899 websites).
| No. | Technology | Websites | Share of Secure Email | Relative size |
|---|---|---|---|---|
| 01 | CDNS Network | 8,641 | 4.9% | |
| 02 | MailInBlack | 8,618 | 4.9% | |
| 03 | Sophos | 8,476 | 4.8% | |
| 04 | Hushmail | 4,381 | 2.5% | |
| 05 | Skymail | 4,289 | 2.4% | |
| 06 | Migadu | 3,694 |
TechLeads scans public websites and identifies Proton Mail from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily; this page uses data from October 28, 2026. Counts only include websites we have scanned, so they can differ from other providers.
The TechLeads live index currently lists 114,899 websites using Proton Mail. Open the sample table on this page or download the lead list.
The chart on this page is monthly HTTP Archive crawl detections for Proton Mail, compared with other Webmail technologies. It is not the TechLeads live index.
In the same HTTP Archive category, Proton Mail is charted against Apple iCloud Mail, RoundCube, Zimbra, Outlook Web App, SquirrelMail. Live-index co-occurrence on this page is a separate signal.
Companies and websites using Proton Mail in the TechLeads index include donorbox.org, gdpr.eu, croxyproxy.com, sqlite.org, theintercept.com. The full list of 114,899 websites, with company name, country and language, is available as a CSV export.
By number of websites in the TechLeads index, the most-used Secure Email alternatives to Proton Mail are CDNS Network (8,641), MailInBlack (8,618), Sophos (8,476).
TechLeads scans public websites and matches Proton Mail by signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Website counts refresh daily.
| 2.1% |
| 07 | Securence | 2,597 | 1.5% |
|---|
| 08 | SpamTitan | 2,551 | 1.4% |
|---|
| 09 | MailGuard | 2,525 | 1.4% |
|---|
| 10 | Mailcheap | 2,254 | 1.3% |
|---|
Yes. A one-time Proton Mail dataset is $29 as a CSV. The Growth plan ($79/mo) covers 10 technologies with recurring exports, alerts and API access.
Top-ranked sites on Proton MailRank
Monthly detections of Proton Mail in the HTTP Archive crawl. This is historical crawl coverage, not the TechLeads live website index.
Same HTTP Archive category (Webmail), not the whole web. Toggle competitors on or off.
Optional rank bands from the crawl (top 1k through long tail). Missing months are crawl gaps, not uninstalls.
Technologies most frequently detected on the same websites as Proton Mail. Counts are websites in the live index.
Sites where we first detected Proton Mail, by week (UTC, weeks start Monday). These are newly detected sites, and the counts follow our discovery coverage.
18,091
sites newly detected in the last 12 weeks
Proton Mail is the world’s largest secure email service with over 70 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.
Our comprehensive database contains 114,899 websites using Proton Mail, making it the most complete Proton Mail sites list available. This Proton Mail customer websites directory helps businesses detect websites using Proton Mail and identify potential leads.
Websites using Proton Mail commonly also use Segment, Segment Consent Manager, Zendesk, Haravan, Modernizr — reflecting typical Proton Mail technology stacks.
Our Proton Mail technology detection system scans millions of websites to identify those powered by Proton Mail. This list of sites with Proton Mail includes detailed information such as company names, contact details, social media profiles, and website rankings. Whether you're looking for top websites with Proton Mail or exploring Proton Mail adoption trends, our database provides comprehensive insights.
Each entry in our Proton Mail sites list includes valuable data points: domain name, global ranking, company information, contact details, social media links. This makes it easy to detect websites using Proton Mail and reach out to potential customers or partners.
Get instant access to the full list of sites with Proton Mail in CSV format. Our dataset includes all 114,899 Proton Mail customer websites with complete contact information, perfect for lead generation, market research, and competitive analysis. The data is regularly updated to ensure accuracy and includes the latest Proton Mail powered websites.
