Websites Powered by RackCache
55,773 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
May 2020
May 2022
Jun 2024
Jun 2026
Domains observed using RackCache in each month's HTTP Archive crawl,
Apr 2018 to Jun 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 12,386 RackCache sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
6,090
Taiwan
3,125
Canada
2,335
United Kingdom
2,040
India
1,915
Germany
1,600
Japan
1,502
France
1,420
Sites using RackCache by audience country, Chrome UX Report.
Top sites by authority
9+
1% · 4 of 372 sites
8+
<1% · 48 of 7,677 sites
7+
<1% · 138 of 45,712 sites
6+
<1% · 227 of 110,136 sites
5+
<1% · 350 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 |
|---|---|---|---|---|---|
| 3901 | krysify.com | 0.39/10 | - | - | May 2023 |
| 3902 | ksahemen.be | 0.83/10 | - | - | Oct 2022 |
| 3903 | ksintl.net.tw | 0.23/10 | - | - | Mar 2025 |
| 3904 | ku-house.com | 0.10/10 | - | - | May 2025 |
| 3905 | kudamonodanshi.com.tw | 1.02/10 | - | - | May 2024 |
| 3906 | kudongcandy.com | - | - | - | Mar 2026 |
| 3907 | kuglercompany.com | 0.97/10 | - | - | Aug 2022 |
| 3908 | kuhnphilipp.com | 0.47/10 | - | - | Jun 2025 |
| 3909 | kukuart.com.tw | 0.41/10 | - | - | Oct 2022 |
| 3910 | kukufm.com | 4.06/10 | - | - | Feb 2026 |
| 3911 | kulturmarken.de | 4.02/10 | - | - | Sep 2020 |
| 3912 | kumabricks.com.tw | - | - | - | Dec 2025 |
| 3913 | kumytea.com | 0.74/10 | - | - | Apr 2023 |
| 3914 | kundaliniloungecourses.com | 0.34/10 | - | - | Jun 2020 |
| 3915 | kungfood.com.tw | 1.33/10 | - | - | Jul 2021 |
| 3916 | kunsthalaarhus.dk | 4.69/10 | - | - | Oct 2020 |
| 3917 | kunsthallebern.ch | 3.99/10 | - | - | Oct 2025 |
| 3918 | kunstmuseenkrefeld.de | 5.37/10 | 30 | 20 | Apr 2019 |
| 3919 | kuoca.tw | 0.77/10 | - | - | Mar 2025 |
| 3920 | kuochitofu.com | 0.10/10 | - | - | Dec 2020 |
| 3921 | kuos.com | 3.73/10 | - | - | Jan 2025 |
| 3922 | kuoshifu.com.tw | 0.40/10 | - | - | Oct 2025 |
| 3923 | kupikupon.ru | 4.69/10 | - | - | Oct 2019 |
| 3924 | kupooptics.com | 0.12/10 | - | - | Oct 2025 |
| 3925 | kurambakos.de | 0.46/10 | - | - | Jul 2020 |
| 3926 | kurere.org | 2.37/10 | - | - | Jun 2018 |
| 3927 | kuroba-mario.com | 2.08/10 | - | - | Jan 2019 |
| 3928 | kurofes.net | 1.87/10 | - | - | Jul 2019 |
| 3929 | kuroobi-world.com | 0.12/10 | - | - | Jan 2023 |
| 3930 | kuuxing.com.tw | - | - | - | Jun 2019 |
| 3931 | kvhv.be | 1.30/10 | - | - | Feb 2019 |
| 3932 | kwikbrain.com | 3.79/10 | - | - | Jan 2019 |
| 3933 | kwildglamping.com | 0.28/10 | - | - | Sep 2023 |
| 3934 | kwns.school.nz | 0.25/10 | - | - | Mar 2021 |
| 3935 | kws-simracing.com | - | - | - | Mar 2024 |
| 3936 | kwwknetwork.com | 0.41/10 | - | - | Nov 2025 |
| 3937 | kylemallien.com | 0.23/10 | - | - | Apr 2025 |
| 3938 | kyodatw.com | 1.39/10 | - | - | Jan 2023 |
| 3939 | kyreferee.com | 1.37/10 | - | - | Nov 2022 |
| 3940 | kysonpet.com | 1.34/10 | - | - | Apr 2019 |
| 3941 | la-orange.com | 0.29/10 | - | - | Jun 2021 |
| 3942 | la-sauvetat.fr | 1.21/10 | - | - | Jun 2021 |
| 3943 | lab-22.com.tw | 1.84/10 | - | - | Oct 2020 |
| 3944 | labnews.pl | 1.03/10 | - | - | Jan 2019 |
| 3945 | labrume.com.tw | 0.96/10 | - | - | Mar 2023 |
| 3946 | lacasta.com.tw | 0.66/10 | - | - | Mar 2023 |
| 3947 | ladenregal.shop | 0.10/10 | - | - | Jul 2020 |
| 3948 | ladyparis.com.tw | 1.53/10 | - | - | May 2023 |
| 3949 | ladyplume.com.tw | 0.40/10 | - | - | Aug 2022 |
| 3950 | laexo.com | 0.28/10 | - | - | May 2026 |
| 3951 | lafcsocalyouth.org | 1.13/10 | - | - | Sep 2021 |
| 3952 | lafermeduboutdespres.com | 1.24/10 | - | - | Feb 2019 |
| 3953 | lafleurbeautyworld.com | - | - | - | Mar 2024 |
| 3954 | lahuertagrillandmarket.com | 0.46/10 | - | - | Sep 2022 |
| 3955 | lai-foods.com | 1.94/10 | - | - | May 2026 |
| 3956 | laingholm.school.nz | 0.59/10 | - | - | Jul 2025 |
| 3957 | laitofu.com.tw | 0.35/10 | - | - | Feb 2026 |
| 3958 | laiveitsai.com | 0.29/10 | - | - | Jun 2025 |
| 3959 | lakecountrysoccer.org | 1.38/10 | - | - | Jan 2019 |
| 3960 | lakefrontsc.com | 0.47/10 | - | - | Dec 2019 |
| 3961 | lakegenevagames.com | 0.47/10 | - | - | Aug 2022 |
| 3962 | lakotafc.org | 0.59/10 | - | - | Jul 2021 |
| 3963 | lalalife.cc | 1.08/10 | - | - | May 2024 |
| 3964 | lamakaan.com | 2.02/10 | - | - | Sep 2022 |
| 3965 | lampenmanufaktur.com | 0.29/10 | - | - | Jun 2022 |
| 3966 | landchores.com | 0.10/10 | - | - | Feb 2026 |
| 3967 | landfliptraining.com | 0.10/10 | - | - | Jun 2025 |
| 3968 | landkreis-cham.de | 5.84/10 | 47 | 4 | Jun 2024 |
| 3969 | landmarkwellness.ca | 1.56/10 | - | - | Apr 2025 |
| 3970 | landscalping.com | - | - | - | Apr 2026 |
| 3971 | landsquare.co.jp | 0.96/10 | - | - | Nov 2022 |
| 3972 | laneclark.co.uk | 0.20/10 | - | - | Dec 2025 |
| 3973 | lankaflix.com | 0.41/10 | - | - | Apr 2022 |
| 3974 | lanocreme.com.tw | 0.41/10 | - | - | Feb 2025 |
| 3975 | lanytrip.com | 0.10/10 | - | - | Sep 2025 |
| 3976 | lapapesse.tv | 0.34/10 | - | - | Sep 2022 |
| 3977 | lapela.tw | 0.23/10 | - | - | May 2024 |
| 3978 | larretgourmand.com | 0.46/10 | - | - | Apr 2023 |
| 3979 | laserfund.com | 0.41/10 | - | - | May 2020 |
| 3980 | lashandwaxoc.com | 1.30/10 | - | - | May 2024 |
| 3981 | lastjeans.com.tw | - | - | - | Jul 2021 |
| 3982 | lathamproadvantage.com | 0.31/10 | - | - | Dec 2024 |
| 3983 | latinatribe.mx | 0.44/10 | - | - | Aug 2025 |
| 3984 | latinowallstreet.com | 2.20/10 | - | - | May 2020 |
| 3985 | launchpadworkshop.com | 0.10/10 | - | - | Apr 2023 |
| 3986 | launchwise.io | 2.27/10 | - | - | Mar 2023 |
| 3987 | lauraashleyflowers.us | 0.44/10 | - | - | Feb 2024 |
| 3988 | laurelwooddolphins.com | 0.11/10 | - | - | Aug 2022 |
| 3989 | lausbub.jp | 3.05/10 | - | - | Jul 2025 |
| 3990 | lavoro-confronto.it | 1.67/10 | - | - | Apr 2019 |
| 3991 | layana.com | 1.61/10 | - | - | Jun 2021 |
| 3992 | layana.jp | - | - | - | Apr 2026 |
| 3993 | lazers.soccer | 1.33/10 | - | - | May 2024 |
| 3994 | lcbarracudas.org | 0.23/10 | - | - | Jun 2026 |
| 3995 | lcfabook.com | 0.39/10 | - | - | Jul 2021 |
| 3996 | lcrealestategroup.com | 1.09/10 | - | - | Mar 2021 |
| 3997 | lcyatw.com | 0.10/10 | - | - | Dec 2024 |
| 3998 | lcysa.ca | 1.21/10 | - | - | Jan 2025 |
| 3999 | le-velvets.com | 2.83/10 | - | - | Jan 2019 |
| 4000 | leadbook.app | 1.57/10 | - | - | Mar 2023 |
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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