Websites Powered by MTCaptcha
817 websites tracked using MTCaptcha (Security) · www.mtcaptcha.com
MTCaptcha is a security tool that protects the site from attacks. Its official site is mtcaptcha.com. PoweredBy tracks the websites that use MTCaptcha across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the security ecosystem.
Usage trend
100
200
300
400
Oct 2021
Jan 2023
Apr 2024
Jul 2025
Oct 2026
Domains observed using MTCaptcha in each month's HTTP Archive crawl,
Oct 2021 to Oct 2026 · peak 317 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 800 ms
Median site among 352 MTCaptcha sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
133
Germany
131
France
99
India
97
Italy
87
United Kingdom
86
Netherlands
85
Canada
74
Sites using MTCaptcha by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Arts and entertainment | 0.02% | 9 |
| Finance and insurance | 0.01% | 3 |
| Government | 0.01% | 1 |
| Non-profit and religious | <0.01% | 1 |
| Blogs and publishing | <0.01% | 2 |
| Retail | <0.01% | 21 |
| Sports and fitness | <0.01% | 1 |
| Travel and hospitality | <0.01% | 2 |
| Software and apps | <0.01% | 3 |
| Professional services | <0.01% | 1 |
| Education | <0.01% | 1 |
Share of each industry's websites with a detected stack that use MTCaptcha; industries come from what sites declare in their own structured data.
Top sites by authority
9+
0% · 0 of 372 sites
8+
<1% · 7 of 7,677 sites
7+
<1% · 29 of 45,712 sites
6+
<1% · 46 of 110,136 sites
5+
<1% · 63 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running MTCaptcha in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using MTCaptcha
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | herokuapp.com | 8.74/10 | - | - | Nov 2024 |
| 2 | uvic.ca | 8.54/10 | 44,200 | 19,833 | Oct 2024 |
| 3 | iec.ch | 8.53/10 | 32,400 | 8,355 | Nov 2021 |
| 4 | vlaanderen.be | 8.49/10 | 7,000 | 3,242 | Nov 2022 |
| 5 | gov.hu | 8.44/10 | - | - | Jan 2022 |
| 6 | broadcom.com | 8.39/10 | 86,100 | 22,256 | Jul 2023 |
| 7 | iledefrance.fr | 8.18/10 | 700 | 1,353 | Jun 2026 |
| 8 | ondemand.com | 7.96/10 | - | - | Oct 2025 |
| 9 | kro-ncrv.nl | 7.96/10 | 920 | 665 | Nov 2021 |
| 10 | festival-cannes.com | 7.79/10 | 218,800 | 12,975 | May 2023 |
| 11 | mittelbayerische.de | 7.59/10 | 350 | 1,074 | Feb 2024 |
| 12 | pnp.de | 7.57/10 | 1,000 | 2,022 | Aug 2022 |
| 13 | asfinag.at | 7.52/10 | 1,400 | 1,943 | Nov 2021 |
| 14 | charter.com | 7.47/10 | 65 | 102 | Jan 2026 |
| 15 | donaukurier.de | 7.46/10 | 340 | 948 | Aug 2022 |
| 16 | dh.gov.hk | 7.42/10 | 270 | 564 | Dec 2024 |
| 17 | discoverasr.com | 7.37/10 | 62,300 | 7,770 | Sep 2024 |
| 18 | cgtrader.com | 7.36/10 | 92,900 | 51,853 | Nov 2021 |
| 19 | umea.se | 7.35/10 | 110 | 136 | Jan 2022 |
| 20 | edpuzzle.com | 7.34/10 | 314,500 | 4,203 | Oct 2021 |
| 21 | gevernova.com | 7.33/10 | 46,600 | 21,680 | Mar 2026 |
| 22 | holvi.com | 7.19/10 | 73 | 60 | Jan 2022 |
| 23 | uniper.energy | 7.16/10 | 2,200 | 1,401 | Nov 2021 |
| 24 | hide.me | 7.08/10 | 12,400 | 7,205 | Aug 2022 |
| 25 | notaris.nl | 7.06/10 | 42 | 34 | Dec 2021 |
| 26 | robots.net | 7.02/10 | - | - | Sep 2022 |
| 27 | vkb.de | 7.02/10 | 64 | 324 | Apr 2026 |
| 28 | amperecomputing.com | 7.01/10 | 8,700 | 385 | Aug 2022 |
| 29 | lehavre.fr | 7.00/10 | 600 | 499 | Nov 2024 |
| 30 | tyosuojelu.fi | 6.92/10 | 140 | 189 | Nov 2023 |
| 31 | accountant.nl | 6.84/10 | 86 | 195 | Nov 2021 |
| 32 | tradingsat.com | 6.63/10 | 820 | 1,497 | May 2024 |
| 33 | ipd.gov.hk | 6.63/10 | 1,100 | 373 | Jan 2026 |
| 34 | ghd.com | 6.61/10 | 6,200 | 1,889 | Apr 2025 |
| 35 | oceanpark.com.hk | 6.60/10 | 6,700 | 3,417 | Jun 2022 |
| 36 | kp.dk | 6.53/10 | 520 | 120 | Apr 2025 |
| 37 | fiom.nl | 6.52/10 | 9 | 13 | Jan 2023 |
| 38 | infomedics.nl | 6.51/10 | 23 | 47 | Nov 2025 |
| 39 | elis.com | 6.42/10 | - | - | Oct 2025 |
| 40 | iifiir.org | 6.39/10 | 500 | 830 | Nov 2021 |
| 41 | ronneby.se | 6.24/10 | 1 | 23 | Mar 2026 |
| 42 | ksv.at | 6.23/10 | 260 | 369 | Dec 2022 |
| 43 | iias.asia | 6.20/10 | 2,300 | 1,600 | May 2025 |
| 44 | westnetz.de | 6.14/10 | 50 | 247 | Nov 2021 |
| 45 | iecee.org | 6.11/10 | 900 | 716 | Mar 2023 |
| 46 | wfsfaa.gov.hk | 6.00/10 | 900 | 225 | Apr 2025 |
| 47 | eavsrl.it | 5.74/10 | 330 | 695 | Dec 2025 |
| 48 | lew.de | 5.72/10 | 58 | 70 | May 2022 |
| 49 | eplan.com | 5.64/10 | 530 | 134 | Aug 2022 |
| 50 | semparar.com.br | 5.63/10 | 180 | 459 | Oct 2021 |
| 51 | ivsc.org | 5.55/10 | 320 | 126 | Dec 2023 |
| 52 | pyur.com | 5.54/10 | 13 | 125 | May 2025 |
| 53 | osthammar.se | 5.35/10 | 6 | 30 | Nov 2021 |
| 54 | cellularnews.com | 5.30/10 | - | - | Sep 2022 |
| 55 | vigour.de | 5.29/10 | 5 | 16 | Nov 2022 |
| 56 | ores.be | 5.29/10 | 43 | 187 | Oct 2021 |
| 57 | frederikssund.dk | 5.29/10 | 5 | 41 | Nov 2024 |
| 58 | cara.ch | 5.29/10 | 2 | 2 | Jan 2026 |
| 59 | luxuryhotelawards.com | 5.27/10 | 1,600 | 1,200 | Nov 2021 |
| 60 | talland.nl | 5.27/10 | 2 | 26 | Nov 2024 |
| 61 | healthearizonaplus.gov | 5.26/10 | 84,400 | 4,634 | Nov 2021 |
| 62 | pland.gov.hk | 5.17/10 | 280 | 179 | Sep 2023 |
| 63 | go-maut.at | 5.13/10 | 15 | 56 | Aug 2022 |
| 64 | fiery.com | 4.94/10 | - | - | Oct 2024 |
| 65 | initse.com | 4.83/10 | - | - | Mar 2022 |
| 66 | abilis.ch | 4.82/10 | - | - | Jun 2024 |
| 67 | onpiste.com | 4.79/10 | - | - | Mar 2022 |
| 68 | mtcaptcha.com | 4.76/10 | - | - | Oct 2021 |
| 69 | bluestone.com | 4.75/10 | - | - | May 2025 |
| 70 | goyard.com | 4.74/10 | - | - | Nov 2023 |
| 71 | envoyglobal.com | 4.70/10 | - | - | Aug 2022 |
| 72 | legalhub.gov.hk | 4.69/10 | - | - | Jun 2024 |
| 73 | eon-highspeed.com | 4.69/10 | - | - | Oct 2025 |
| 74 | kraton.com | 4.69/10 | - | - | Apr 2025 |
| 75 | creos-net.lu | 4.69/10 | - | - | Nov 2021 |
| 76 | smacl.fr | 4.69/10 | - | - | Jun 2023 |
| 77 | phillyorchards.org | 4.69/10 | - | - | Apr 2025 |
| 78 | sparke.com.au | 4.69/10 | - | - | Mar 2022 |
| 79 | arpa.sicilia.it | 4.69/10 | - | 14 | Dec 2022 |
| 80 | omp.com | 4.37/10 | - | - | Sep 2026 |
| 81 | klingel.de | 4.36/10 | - | - | Feb 2024 |
| 82 | dornbach.de | 4.27/10 | - | - | May 2025 |
| 83 | mnisek.cz | 4.19/10 | - | - | May 2025 |
| 84 | moschip.com | 4.18/10 | - | - | Nov 2025 |
| 85 | lew-3male.de | 4.16/10 | - | - | Jul 2023 |
| 86 | openserve.co.za | 4.12/10 | - | - | Mar 2022 |
| 87 | luxuryspaawards.com | 4.04/10 | - | - | Nov 2021 |
| 88 | fietselfstedentocht.frl | 3.99/10 | - | - | Aug 2022 |
| 89 | aircampania.it | 3.98/10 | 28 | 190 | Jan 2023 |
| 90 | bader.de | 3.98/10 | 50 | 288 | Aug 2022 |
| 91 | lew-verteilnetz.de | 3.97/10 | - | - | May 2022 |
| 92 | ebutilities.at | 3.93/10 | - | - | Apr 2023 |
| 93 | checkinhoudingsplicht.be | 3.87/10 | - | - | Jan 2026 |
| 94 | checkobligationderetenue.be | 3.87/10 | - | - | Jan 2026 |
| 95 | desktop.com.br | 3.86/10 | - | - | Nov 2025 |
| 96 | colorcon.com | 3.79/10 | - | - | Nov 2021 |
| 97 | planoeplano.com.br | 3.75/10 | - | - | Jun 2026 |
| 98 | graff-designs.com | 3.74/10 | - | - | Nov 2024 |
| 99 | kew.de | 3.72/10 | - | - | Jul 2025 |
| 100 | kibg.nl | 3.70/10 | - | - | Jul 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) →
Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).
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