Websites Powered by Really Simple SSL & Security
1,391,743 websites tracked using Really Simple SSL & Security (Security) · really-simple-ssl.com
Really Simple SSL & Security is a security tool that protects the site from attacks. Its official site is really-simple-ssl.com. PoweredBy tracks the websites that use Really Simple SSL & Security 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
250K
500K
750K
1M
Apr 2024
Nov 2024
Jun 2025
Jan 2026
Aug 2026
Domains observed using Really Simple SSL & Security in each month's HTTP Archive crawl,
Apr 2024 to Aug 2026 · peak 897,467 in Apr 2024. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.4 s
INP 75 ms
CLS 0
TTFB 1300 ms
Median site among 547,503 Really Simple SSL & Security sites with Chrome UX data, p75 values, Aug 2026.
Top countries
United States
83,739
Brazil
43,852
Spain
40,106
Japan
36,223
France
32,992
Italy
30,741
United Kingdom
29,953
Germany
28,990
Sites using Really Simple SSL & Security by audience country, Chrome UX Report.
Top sites by authority
9+
7% · 26 of 372 sites
8+
6% · 424 of 7,677 sites
7+
3% · 1,350 of 45,712 sites
6+
3% · 2,786 of 110,136 sites
5+
2% · 5,696 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Really Simple SSL & Security in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Really Simple SSL & Security
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 201 | unm.edu | 8.49/10 | 35,500 | 18,884 | Apr 2024 |
| 202 | yandexcloud.net | 8.48/10 | - | - | Mar 2026 |
| 203 | pressreader.com | 8.48/10 | 63,400 | 122,960 | Apr 2024 |
| 204 | mercurynews.com | 8.48/10 | 214,600 | 245,325 | Apr 2024 |
| 205 | unirioja.es | 8.48/10 | 620 | 1,912 | Jan 2025 |
| 206 | gva.es | 8.47/10 | 490 | 1,924 | Apr 2024 |
| 207 | poznan.pl | 8.47/10 | 320 | 564 | Apr 2024 |
| 208 | de.com | 8.46/10 | - | 2 | Sep 2025 |
| 209 | state.fl.us | 8.46/10 | - | - | Apr 2024 |
| 210 | american.edu | 8.46/10 | 286,700 | 75,538 | Apr 2024 |
| 211 | ulaval.ca | 8.44/10 | 2,800 | 1,607 | Apr 2024 |
| 212 | uwo.ca | 8.44/10 | 24,700 | 12,317 | May 2024 |
| 213 | sfsu.edu | 8.43/10 | 93,600 | 8,938 | Apr 2024 |
| 214 | cvv.org.br | 8.42/10 | 450 | 159 | Apr 2024 |
| 215 | ugent.be | 8.42/10 | 3,800 | 3,554 | Aug 2024 |
| 216 | wyo.gov | 8.42/10 | 68,000 | 1,457 | Apr 2024 |
| 217 | lsu.edu | 8.42/10 | 344,800 | 88,108 | Apr 2024 |
| 218 | utk.edu | 8.42/10 | 132,100 | 8,479 | Apr 2024 |
| 219 | uk.net | 8.41/10 | - | - | Apr 2024 |
| 220 | csun.edu | 8.41/10 | 289,400 | 100,100 | Apr 2024 |
| 221 | unipd.it | 8.41/10 | 3,000 | 3,552 | Apr 2024 |
| 222 | yokohama.lg.jp | 8.41/10 | - | - | Apr 2024 |
| 223 | rai.it | 8.40/10 | 10,100 | 3,210 | Apr 2024 |
| 224 | inserm.fr | 8.40/10 | 3,100 | 2,265 | Apr 2024 |
| 225 | wpzoom.com | 8.39/10 | 5,000 | 4,201 | Apr 2024 |
| 226 | polimi.it | 8.38/10 | 5,800 | 4,283 | Apr 2024 |
| 227 | upv.es | 8.38/10 | 2,500 | 2,576 | Apr 2024 |
| 228 | tohoku.ac.jp | 8.38/10 | 2,300 | 1,759 | Apr 2024 |
| 229 | ugr.es | 8.38/10 | 8,500 | 8,711 | Apr 2024 |
| 230 | azurefd.net | 8.37/10 | - | - | Nov 2024 |
| 231 | pp.ua | 8.37/10 | 22 | 5 | Apr 2024 |
| 232 | uni-lj.si | 8.37/10 | 3,200 | 359 | Apr 2024 |
| 233 | uni-freiburg.de | 8.37/10 | 4,000 | 1,793 | Apr 2024 |
| 234 | lodz.pl | 8.37/10 | 90 | 193 | Apr 2024 |
| 235 | jrc.or.jp | 8.37/10 | 420 | 340 | Apr 2024 |
| 236 | jpn.com | 8.36/10 | - | - | Apr 2024 |
| 237 | as.com | 8.36/10 | 109,400 | 160,916 | Apr 2024 |
| 238 | qualcomm.com | 8.36/10 | 175,500 | 34,393 | Apr 2024 |
| 239 | larazon.es | 8.36/10 | 20,500 | 80,221 | May 2026 |
| 240 | uqam.ca | 8.36/10 | 1,100 | 355 | Apr 2024 |
| 241 | fukuoka.lg.jp | 8.36/10 | - | - | Apr 2024 |
| 242 | wroc.pl | 8.36/10 | - | - | Apr 2024 |
| 243 | ufmg.br | 8.36/10 | 3,300 | 1,765 | Apr 2024 |
| 244 | connectsafely.org | 8.35/10 | 6,900 | 3,127 | Apr 2024 |
| 245 | ecma-international.org | 8.35/10 | 2,800 | 378 | Apr 2024 |
| 246 | org.ru | 8.35/10 | - | - | Apr 2024 |
| 247 | kinsta.cloud | 8.35/10 | - | - | Oct 2024 |
| 248 | tuwien.ac.at | 8.35/10 | - | - | Apr 2024 |
| 249 | uchile.cl | 8.35/10 | 1,900 | 3,976 | Apr 2024 |
| 250 | tau.ac.il | 8.35/10 | 5,100 | 4,286 | Jun 2024 |
| 251 | unimi.it | 8.35/10 | 3,300 | 3,182 | Apr 2024 |
| 252 | fiu.edu | 8.35/10 | 117,900 | 27,551 | Apr 2024 |
| 253 | di.se | 8.35/10 | 3,500 | 3,102 | Apr 2024 |
| 254 | br.com | 8.34/10 | - | - | Apr 2024 |
| 255 | cvut.cz | 8.34/10 | 1,200 | 214 | Apr 2024 |
| 256 | unicamp.br | 8.34/10 | 860 | 1,061 | Apr 2024 |
| 257 | med.or.jp | 8.34/10 | 210 | 304 | Apr 2024 |
| 258 | osaka-u.ac.jp | 8.34/10 | 1,900 | 915 | Apr 2024 |
| 259 | sucuri.net | 8.33/10 | 5,900 | 2,986 | Apr 2024 |
| 260 | deakin.edu.au | 8.33/10 | 8,100 | 7,868 | May 2024 |
| 261 | cas.cz | 8.33/10 | - | - | Apr 2024 |
| 262 | uw.edu.pl | 8.33/10 | 240 | 261 | Apr 2024 |
| 263 | com.se | 8.33/10 | - | - | Apr 2024 |
| 264 | unipi.it | 8.32/10 | 1,500 | 1,950 | Apr 2024 |
| 265 | city.nagoya.jp | 8.32/10 | 5 | 68 | Apr 2024 |
| 266 | childnet.com | 8.31/10 | 3,000 | 2,310 | Apr 2024 |
| 267 | post-gazette.com | 8.31/10 | 274,300 | 265,457 | Apr 2024 |
| 268 | uniroma1.it | 8.31/10 | 5,100 | 3,214 | Apr 2026 |
| 269 | tokyo-np.co.jp | 8.31/10 | 19 | 30 | Apr 2024 |
| 270 | exeter.ac.uk | 8.30/10 | 19,000 | 11,669 | Apr 2024 |
| 271 | up.pt | 8.30/10 | 2,100 | 1,076 | Apr 2024 |
| 272 | hokudai.ac.jp | 8.30/10 | 390 | 19 | Apr 2024 |
| 273 | udc.es | 8.29/10 | 280 | 628 | Jun 2024 |
| 274 | cuhk.edu.hk | 8.29/10 | 5,100 | 1,878 | Apr 2024 |
| 275 | ncl.ac.uk | 8.29/10 | 50,900 | 15,860 | Apr 2024 |
| 276 | rpi.edu | 8.29/10 | 48,000 | 6,018 | Apr 2024 |
| 277 | elespanol.com | 8.28/10 | 27,000 | 97,909 | Apr 2024 |
| 278 | uc3m.es | 8.28/10 | 6,600 | 5,330 | Jul 2024 |
| 279 | auburn.edu | 8.28/10 | 270,500 | 32,835 | Jul 2026 |
| 280 | universityofcalifornia.edu | 8.28/10 | 204,600 | 56,692 | May 2024 |
| 281 | tsukuba.ac.jp | 8.28/10 | 1,800 | 517 | Apr 2024 |
| 282 | kyushu-u.ac.jp | 8.28/10 | 680 | 731 | Apr 2024 |
| 283 | asahi.co.jp | 8.28/10 | 280 | 141 | Apr 2024 |
| 284 | com.ru | 8.27/10 | - | - | Apr 2024 |
| 285 | stonybrook.edu | 8.27/10 | 351,000 | 92,449 | Apr 2024 |
| 286 | auvergnerhonealpes.fr | 8.27/10 | 380 | 482 | Sep 2024 |
| 287 | ritsumei.ac.jp | 8.27/10 | 960 | 1,069 | Apr 2024 |
| 288 | mnhn.fr | 8.27/10 | 6,300 | 2,744 | Apr 2024 |
| 289 | fiocruz.br | 8.27/10 | 500 | 722 | Apr 2024 |
| 290 | waseda.jp | 8.27/10 | 13,200 | 3,964 | Aug 2025 |
| 291 | kinokuniya.co.jp | 8.27/10 | 280 | 805 | Apr 2024 |
| 292 | gb.net | 8.26/10 | - | 1 | Jun 2024 |
| 293 | cloudways.com | 8.26/10 | 16,300 | 12,883 | Apr 2024 |
| 294 | uni-wuerzburg.de | 8.26/10 | 1,900 | 1,383 | Apr 2024 |
| 295 | uark.edu | 8.26/10 | 90,000 | 9,143 | Apr 2024 |
| 296 | unistra.fr | 8.26/10 | 1,500 | 1,386 | Apr 2024 |
| 297 | art.pl | 8.26/10 | - | - | Apr 2024 |
| 298 | siteorigin.com | 8.25/10 | 740 | 1,216 | Apr 2024 |
| 299 | tugraz.at | 8.25/10 | 1,400 | 989 | Jun 2024 |
| 300 | scu.edu | 8.25/10 | 182,300 | 59,213 | Apr 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) →
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