Websites Powered by RackCache
55,625 websites tracked using RackCache (Caching) · github.com
RackCache is a caching layer that speeds up page delivery by storing generated content. Its official site is github.com. PoweredBy tracks the websites that use RackCache across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the caching ecosystem.
Usage trend
5K
10K
15K
20K
Apr 2018
Jun 2020
Jul 2022
Sep 2024
Oct 2026
Domains observed using RackCache in each month's HTTP Archive crawl,
Apr 2018 to Oct 2026 · peak 18,761 in Mar 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2 s
INP 75 ms
CLS 0
TTFB 900 ms
Median site among 11,786 RackCache sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
5,043
Taiwan
2,714
Canada
1,950
United Kingdom
1,685
India
1,576
Germany
1,367
Japan
1,271
Australia
1,163
Sites using RackCache by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Non-profit and religious | 0.04% | 4 |
| Education | 0.03% | 21 |
| Arts and entertainment | 0.03% | 16 |
| Healthcare | 0.03% | 34 |
| Retail | 0.02% | 78 |
| Travel and hospitality | 0.02% | 18 |
| Professional services | 0.02% | 9 |
| Beauty and wellness | 0.02% | 5 |
| News and media | 0.01% | 7 |
| Sports and fitness | 0.01% | 3 |
| Legal | 0.01% | 3 |
| Blogs and publishing | 0.01% | 3 |
Share of each industry's websites with a detected stack that use RackCache; industries come from what sites declare in their own structured data.
Top sites by authority
9+
<1% · 2 of 372 sites
8+
<1% · 36 of 7,677 sites
7+
<1% · 105 of 45,712 sites
6+
<1% · 179 of 110,136 sites
5+
<1% · 274 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running RackCache in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using RackCache
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1301 | chile-tepin.com | 1.85/10 | 200 | 146 | Apr 2019 |
| 1302 | festivalporta.lv | 1.85/10 | - | - | Sep 2022 |
| 1303 | use.com.tw | 1.85/10 | - | - | Sep 2021 |
| 1304 | codelearn.es | 1.85/10 | 83 | 85 | Jun 2020 |
| 1305 | dune-ny.com | 1.85/10 | - | - | Apr 2019 |
| 1306 | franktonschool.ac.nz | 1.84/10 | - | - | Mar 2020 |
| 1307 | gamechangerpublishing.com | 1.84/10 | - | - | Sep 2023 |
| 1308 | massyouthlax.org | 1.84/10 | - | - | Jan 2023 |
| 1309 | nin-jiom.com.tw | 1.84/10 | - | - | Sep 2023 |
| 1310 | lab-22.com.tw | 1.84/10 | - | - | Oct 2020 |
| 1311 | brettspielbude.de | 1.84/10 | 3 | 82 | Feb 2020 |
| 1312 | onew-fc.jp | 1.84/10 | - | - | Oct 2024 |
| 1313 | pasture.co.jp | 1.84/10 | - | - | Aug 2022 |
| 1314 | ncsl-soccer.com | 1.83/10 | - | - | Jan 2019 |
| 1315 | squeakross.cool | 1.83/10 | - | - | Jul 2024 |
| 1316 | redontree.com | 1.83/10 | - | - | Oct 2020 |
| 1317 | rafaelleitao.com | 1.83/10 | - | - | Sep 2020 |
| 1318 | mygrshop.com.tw | 1.83/10 | - | - | Sep 2022 |
| 1319 | cumpanio.com | 1.83/10 | - | - | Oct 2020 |
| 1320 | tombocoop.com | 1.83/10 | - | - | Feb 2025 |
| 1321 | ise-shozo.com | 1.83/10 | - | - | Mar 2019 |
| 1322 | elventero.es | 1.83/10 | - | - | Jun 2026 |
| 1323 | yummygo.com.tw | 1.83/10 | - | - | May 2022 |
| 1324 | tryviralvault.com | 1.82/10 | - | - | Feb 2020 |
| 1325 | dealrelations.com | 1.82/10 | - | - | Sep 2020 |
| 1326 | biomedimei.com | 1.82/10 | - | - | Sep 2019 |
| 1327 | alsglobal.net | 1.82/10 | 600 | 1,079 | Mar 2020 |
| 1328 | unclehenrys.com | 1.82/10 | - | - | Jan 2016 |
| 1329 | healthhouse.tw | 1.82/10 | - | - | Sep 2021 |
| 1330 | sportmember.at | 1.82/10 | - | - | Jan 2019 |
| 1331 | vivaopeixeboimarinho.org | 1.82/10 | - | - | Apr 2023 |
| 1332 | harrisgroup.com | 1.82/10 | - | - | Aug 2022 |
| 1333 | nacnac.com.tw | 1.82/10 | - | - | Feb 2025 |
| 1334 | inclusivetherapygroup.com | 1.82/10 | - | - | Jun 2024 |
| 1335 | marurista.jp | 1.82/10 | - | - | Jan 2025 |
| 1336 | over40alpha.com | 1.81/10 | - | - | Jan 2021 |
| 1337 | mamacare.com.tw | 1.81/10 | - | - | Jan 2019 |
| 1338 | tonneaucovered.com | 1.81/10 | - | - | Feb 2020 |
| 1339 | diaura.net | 1.81/10 | - | - | Feb 2020 |
| 1340 | 1markmoss.com | 1.81/10 | 5 | 7 | Dec 2021 |
| 1341 | oostrem.be | 1.81/10 | - | - | Aug 2022 |
| 1342 | zhuji.com.tw | 1.81/10 | - | - | Mar 2022 |
| 1343 | runbase.tw | 1.81/10 | - | - | Dec 2020 |
| 1344 | carlsmith.com | 1.81/10 | 94 | 127 | May 2019 |
| 1345 | drcink.com.hk | 1.81/10 | - | - | Jan 2025 |
| 1346 | kingping.com.tw | 1.81/10 | - | - | Apr 2023 |
| 1347 | damokampo.com | 1.81/10 | - | - | Sep 2023 |
| 1348 | nssac.ca | 1.81/10 | - | - | Jun 2026 |
| 1349 | kkfa.org | 1.81/10 | - | - | May 2025 |
| 1350 | savispain.es | 1.81/10 | - | - | Jul 2024 |
| 1351 | halftimeold.com | 1.81/10 | - | - | Jan 2019 |
| 1352 | teasoap.com.tw | 1.81/10 | - | - | May 2023 |
| 1353 | vyi.org | 1.80/10 | - | - | Jan 2024 |
| 1354 | isg.care | 1.80/10 | - | - | Jul 2023 |
| 1355 | tnshio.com | 1.80/10 | - | - | Jul 2025 |
| 1356 | newdeal.academy | 1.80/10 | - | - | Aug 2022 |
| 1357 | mambatek.jp | 1.80/10 | - | - | Oct 2023 |
| 1358 | kegljaska-zveza.si | 1.80/10 | - | - | May 2019 |
| 1359 | empoweredcooks.com | 1.80/10 | - | - | Sep 2023 |
| 1360 | villaclementina.be | 1.80/10 | - | - | Jan 2021 |
| 1361 | nobodyknows-fc.com | 1.80/10 | - | - | Jul 2020 |
| 1362 | millenniumgames.com | 1.80/10 | - | - | Sep 2024 |
| 1363 | maeshima-ami.net | 1.80/10 | - | - | Mar 2024 |
| 1364 | wacookies.com | 1.80/10 | - | - | Oct 2026 |
| 1365 | seikoniizuma.com | 1.80/10 | - | - | Jun 2019 |
| 1366 | hongyehcake.com.tw | 1.80/10 | - | - | Sep 2021 |
| 1367 | obliviondust.net | 1.80/10 | - | - | Jan 2019 |
| 1368 | vinyltapnashville.com | 1.80/10 | - | - | Aug 2022 |
| 1369 | autumncalabrese.com | 1.80/10 | 930 | 119 | Nov 2020 |
| 1370 | jasminehuatan.com.tw | 1.80/10 | - | - | Jan 2019 |
| 1371 | iuli.ac.id | 1.80/10 | - | - | Aug 2026 |
| 1372 | szelagowka.pl | 1.80/10 | - | - | Jul 2019 |
| 1373 | vendorsunited.org | 1.79/10 | - | - | Jan 2019 |
| 1374 | bisv.ru | 1.79/10 | 5 | 24 | Dec 2024 |
| 1375 | accelhealth.ca | 1.79/10 | 1 | 9 | Sep 2025 |
| 1376 | otohaofficial.com | 1.79/10 | - | - | Jan 2024 |
| 1377 | bluebuddhaboutique.com | 1.79/10 | 430 | 1,237 | Jan 2016 |
| 1378 | milano-shoes.com.tw | 1.78/10 | - | - | Jun 2024 |
| 1379 | getbeststuff.com | 1.78/10 | - | - | Feb 2017 |
| 1380 | battlegroundgames.com | 1.78/10 | 8,500 | 293 | Feb 2019 |
| 1381 | ketsume.mobi | 1.78/10 | - | - | Mar 2026 |
| 1382 | grassland.tw | 1.78/10 | - | - | Jul 2024 |
| 1383 | villadelpalmar.mx | 1.78/10 | - | - | Apr 2019 |
| 1384 | liangjinfarm.com | 1.78/10 | - | - | Jul 2025 |
| 1385 | yano39-88.jp | 1.78/10 | - | - | Apr 2022 |
| 1386 | ebeji.com.br | 1.78/10 | - | - | Jun 2016 |
| 1387 | otomo.net | 1.77/10 | - | - | May 2025 |
| 1388 | tomatdesign.ru | 1.77/10 | - | - | Oct 2026 |
| 1389 | debalets.com.tw | 1.77/10 | - | - | Feb 2020 |
| 1390 | threecosmetics.com.tw | 1.77/10 | - | - | Aug 2025 |
| 1391 | screenmode.net | 1.77/10 | - | - | Feb 2019 |
| 1392 | yuiwatanabe.com | 1.77/10 | - | - | Feb 2019 |
| 1393 | mtcook.com | 1.77/10 | - | - | Feb 2019 |
| 1394 | ruchirgupta.co.in | 1.77/10 | - | - | Sep 2021 |
| 1395 | therighttrail.org | 1.77/10 | - | - | Mar 2021 |
| 1396 | serenity.com.tw | 1.77/10 | - | - | Apr 2022 |
| 1397 | drannettejasper.de | 1.77/10 | - | - | Nov 2025 |
| 1398 | e-pneu.ch | 1.77/10 | - | - | Apr 2021 |
| 1399 | switchblade.jp | 1.77/10 | - | - | Jan 2019 |
| 1400 | suzuki-hiroki.jp | 1.77/10 | - | - | Jan 2019 |
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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