Websites Powered by Sphinx
1,525 websites tracked using Sphinx (Documentation) · www.sphinx-doc.org
Sphinx is a documentation platform for publishing technical docs. Its official site is sphinx-doc.org. PoweredBy tracks the websites that use Sphinx across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the documentation ecosystem.
Usage trend
250
500
750
1K
Apr 2018
May 2020
May 2022
Jun 2024
Jun 2026
Domains observed using Sphinx in each month's HTTP Archive crawl,
Apr 2018 to Jun 2026 · peak 845 in Apr 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.5 s
INP 50 ms
CLS 0
TTFB 600 ms
Median site among 638 Sphinx sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
508
India
448
Germany
299
United Kingdom
298
France
293
Japan
268
Brazil
260
Indonesia
260
Sites using Sphinx by audience country, Chrome UX Report.
Top sites by authority
9+
2% · 7 of 372 sites
8+
<1% · 41 of 7,677 sites
7+
<1% · 80 of 45,712 sites
6+
<1% · 113 of 110,136 sites
5+
<1% · 152 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Sphinx in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Sphinx
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | amazonaws.com | 9.50/10 | - | - | Oct 2022 |
| 2 | github.io | 9.43/10 | 1,800 | 1 | Aug 2018 |
| 3 | gandi.net | 9.23/10 | 12,700 | 2,692 | Sep 2018 |
| 4 | openai.com | 9.10/10 | 1,963,900 | 199,482 | Jan 2019 |
| 5 | sourceforge.net | 9.06/10 | 1,301,600 | 345,637 | Aug 2018 |
| 6 | readthedocs.io | 9.04/10 | - | - | Aug 2018 |
| 7 | python.org | 9.03/10 | 408,700 | 39,359 | Aug 2018 |
| 8 | umn.edu | 8.96/10 | 78 | 49 | Jul 2022 |
| 9 | sakura.ne.jp | 8.95/10 | - | - | Mar 2025 |
| 10 | uchicago.edu | 8.92/10 | 63,700 | 10,331 | Aug 2018 |
| 11 | ufl.edu | 8.84/10 | 241,600 | 3,624 | Nov 2023 |
| 12 | kernel.org | 8.73/10 | 29,000 | 6,432 | Mar 2022 |
| 13 | linuxfoundation.org | 8.68/10 | 15,600 | 5,532 | Oct 2022 |
| 14 | amd.com | 8.66/10 | 643,500 | 191,473 | Jul 2020 |
| 15 | gitlab.io | 8.64/10 | - | - | Feb 2020 |
| 16 | gnome.org | 8.62/10 | 64,500 | 1,044 | Feb 2024 |
| 17 | fu-berlin.de | 8.58/10 | 11,500 | 7,748 | May 2026 |
| 18 | sourceforge.io | 8.57/10 | - | - | Mar 2022 |
| 19 | pydata.org | 8.54/10 | 340 | 478 | Aug 2018 |
| 20 | ucar.edu | 8.52/10 | 1,500 | 961 | Jun 2025 |
| 21 | pypa.io | 8.51/10 | 110 | 21 | Jun 2018 |
| 22 | jupyter.org | 8.51/10 | 29,300 | 14,059 | Feb 2020 |
| 23 | bitcoin.org | 8.51/10 | 40,200 | 10,161 | Sep 2020 |
| 24 | databricks.com | 8.45/10 | 96,900 | 53,591 | Aug 2018 |
| 25 | llvm.org | 8.39/10 | 7,200 | 3,555 | Aug 2018 |
| 26 | cisecurity.org | 8.35/10 | 54,300 | 22,048 | Dec 2023 |
| 27 | dtu.dk | 8.35/10 | 2,600 | 3,489 | Oct 2023 |
| 28 | fiu.edu | 8.35/10 | 117,900 | 27,551 | Apr 2020 |
| 29 | openstack.org | 8.33/10 | 2,800 | 3,253 | Aug 2018 |
| 30 | pocoo.org | 8.31/10 | - | - | Aug 2018 |
| 31 | aalto.fi | 8.31/10 | 4,800 | 4,406 | Aug 2018 |
| 32 | confluent.io | 8.25/10 | 78,000 | 5,981 | Aug 2018 |
| 33 | yubico.com | 8.23/10 | 416,500 | 13,879 | Dec 2021 |
| 34 | thenounproject.com | 8.22/10 | 445,500 | 141,715 | Aug 2018 |
| 35 | scipy.org | 8.19/10 | 5,300 | 3,414 | Jun 2018 |
| 36 | dimensions.ai | 8.18/10 | 8,600 | 2,156 | Dec 2022 |
| 37 | luc.edu | 8.11/10 | 179,100 | 55,589 | Aug 2018 |
| 38 | palletsprojects.com | 8.10/10 | 2 | 17 | Jan 2019 |
| 39 | connpass.com | 8.09/10 | 1 | 9 | Sep 2021 |
| 40 | thunderbird.net | 8.07/10 | 97,500 | 12,040 | Feb 2023 |
| 41 | amu.edu.pl | 8.05/10 | 990 | 373 | Feb 2024 |
| 42 | osticket.com | 7.93/10 | 2,500 | 660 | Jan 2019 |
| 43 | uberspace.de | 7.81/10 | 14 | 2 | Aug 2018 |
| 44 | firstinspires.org | 7.81/10 | 102,400 | 29,269 | Nov 2022 |
| 45 | ufu.br | 7.73/10 | 330 | 67 | Apr 2024 |
| 46 | epam.com | 7.71/10 | 8,600 | 8,050 | Jul 2021 |
| 47 | dataiku.com | 7.70/10 | 2,300 | 2,660 | Aug 2018 |
| 48 | alteryx.com | 7.70/10 | 23,500 | 6,067 | Aug 2022 |
| 49 | unc.edu.ar | 7.70/10 | 620 | 954 | May 2024 |
| 50 | bostondynamics.com | 7.69/10 | 22,400 | 12,140 | Jun 2021 |
| 51 | opnsense.org | 7.63/10 | 6,800 | 2,521 | Aug 2018 |
| 52 | ucl.ac.be | 7.62/10 | - | - | Aug 2018 |
| 53 | renesas.com | 7.58/10 | 36,800 | 13,143 | Oct 2022 |
| 54 | acesso.gov.br | 7.57/10 | 330 | 368 | Jun 2025 |
| 55 | emscripten.org | 7.55/10 | 600 | 189 | Apr 2019 |
| 56 | cs-cart.com | 7.54/10 | 2,300 | 1,189 | Aug 2018 |
| 57 | cerebras.ai | 7.53/10 | 5,800 | 3,101 | Sep 2025 |
| 58 | pygments.org | 7.53/10 | 130 | 58 | Aug 2018 |
| 59 | ceph.com | 7.48/10 | - | 2 | Aug 2018 |
| 60 | roundcube.net | 7.46/10 | 5,600 | 1,066 | Nov 2024 |
| 61 | pubg.com | 7.46/10 | 34,000 | 8,401 | Jul 2019 |
| 62 | elgg.org | 7.43/10 | 110 | 164 | Apr 2019 |
| 63 | jaea.go.jp | 7.42/10 | 300 | 285 | Aug 2022 |
| 64 | supervisord.org | 7.39/10 | 4,800 | 99 | Jun 2018 |
| 65 | python-guide.org | 7.39/10 | - | - | Aug 2018 |
| 66 | pypy.org | 7.34/10 | 87 | 76 | Aug 2018 |
| 67 | irssi.org | 7.33/10 | 310 | 120 | Sep 2022 |
| 68 | dask.org | 7.22/10 | 860 | 61 | Jan 2019 |
| 69 | tweepy.org | 7.17/10 | 59 | 17 | Aug 2018 |
| 70 | puri.sm | 7.12/10 | 14,300 | 2,693 | Feb 2019 |
| 71 | telecom-paris.fr | 7.11/10 | 120 | 310 | Nov 2022 |
| 72 | imio.be | 7.03/10 | - | - | Aug 2022 |
| 73 | libuv.org | 7.02/10 | 22 | 7 | Feb 2019 |
| 74 | pylonsproject.org | 7.02/10 | 470 | 32 | Aug 2018 |
| 75 | mirantis.com | 7.02/10 | 3,000 | 1,763 | Nov 2021 |
| 76 | fabfile.org | 7.02/10 | 590 | 44 | Jun 2018 |
| 77 | servicos.gov.br | 7.02/10 | 5 | 18 | May 2019 |
| 78 | uniza.sk | 7.02/10 | 9 | 24 | Apr 2026 |
| 79 | cryptpad.org | 7.01/10 | 940 | 61 | Nov 2022 |
| 80 | terra.money | 7.01/10 | 660 | 71 | Feb 2022 |
| 81 | wxpython.org | 6.99/10 | 520 | 60 | Aug 2018 |
| 82 | softbankrobotics.com | 6.99/10 | 2,400 | 172 | Aug 2022 |
| 83 | wazuh.com | 6.97/10 | 5,400 | 2,556 | Jan 2019 |
| 84 | scikit-image.org | 6.97/10 | 4,000 | 1,868 | Aug 2018 |
| 85 | ousd.org | 6.94/10 | 23,700 | 9,793 | May 2026 |
| 86 | mixxx.org | 6.92/10 | 7,300 | 2,206 | Jul 2021 |
| 87 | jmespath.org | 6.88/10 | 470 | 53 | Apr 2019 |
| 88 | open-contracting.org | 6.88/10 | 3,100 | 203 | Jul 2019 |
| 89 | gromacs.org | 6.85/10 | 350 | 88 | Dec 2018 |
| 90 | geonetwork-opensource.org | 6.78/10 | 26 | 10 | Apr 2019 |
| 91 | jamovi.org | 6.76/10 | 3,600 | 1,530 | Jan 2022 |
| 92 | graphcore.ai | 6.75/10 | 310 | 294 | Mar 2022 |
| 93 | d2l.ai | 6.73/10 | 6,600 | 5,218 | Apr 2019 |
| 94 | cloud-init.io | 6.71/10 | 83 | 41 | Mar 2024 |
| 95 | mapserver.org | 6.68/10 | 460 | 369 | Apr 2018 |
| 96 | readthedocs-hosted.com | 6.66/10 | - | - | Feb 2019 |
| 97 | usm.cl | 6.65/10 | 630 | 825 | Aug 2018 |
| 98 | cron-job.org | 6.51/10 | 2,400 | 166 | Nov 2022 |
| 99 | citationstyles.org | 6.49/10 | 73 | 36 | Aug 2018 |
| 100 | translatehouse.org | 6.48/10 | - | - | Apr 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) →