Websites Powered by Sphinx
1,511 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
Jun 2022
Jul 2024
Aug 2026
Domains observed using Sphinx in each month's HTTP Archive crawl,
Apr 2018 to Aug 2026 · peak 845 in Apr 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.6 s
INP 50 ms
CLS 0
TTFB 700 ms
Median site among 610 Sphinx sites with Chrome UX data, p75 values, Aug 2026.
Top countries
United States
430
India
391
Germany
247
Brazil
237
United Kingdom
233
France
225
Japan
215
Indonesia
213
Sites using Sphinx by audience country, Chrome UX Report.
Top sites by authority
9+
1% · 5 of 372 sites
8+
<1% · 32 of 7,677 sites
7+
<1% · 72 of 45,712 sites
6+
<1% · 99 of 110,136 sites
5+
<1% · 140 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 | github.io | 9.43/10 | 1,800 | 1 | Aug 2018 |
| 2 | gandi.net | 9.23/10 | 12,700 | 2,692 | Sep 2018 |
| 3 | openai.com | 9.10/10 | 1,963,900 | 199,482 | Jan 2019 |
| 4 | readthedocs.io | 9.04/10 | - | - | Aug 2018 |
| 5 | python.org | 9.03/10 | 408,700 | 39,359 | Aug 2018 |
| 6 | umn.edu | 8.96/10 | 78 | 49 | Jul 2022 |
| 7 | uchicago.edu | 8.92/10 | 63,700 | 10,331 | Aug 2018 |
| 8 | kernel.org | 8.73/10 | 29,000 | 6,432 | Mar 2022 |
| 9 | gitlab.io | 8.64/10 | - | - | Feb 2020 |
| 10 | gnome.org | 8.62/10 | 64,500 | 1,044 | Feb 2024 |
| 11 | sourceforge.io | 8.57/10 | - | - | Mar 2022 |
| 12 | pydata.org | 8.54/10 | 340 | 478 | Aug 2018 |
| 13 | pypa.io | 8.51/10 | 110 | 21 | Jun 2018 |
| 14 | jupyter.org | 8.51/10 | 29,300 | 14,059 | Feb 2020 |
| 15 | bitcoin.org | 8.51/10 | 40,200 | 10,161 | Sep 2020 |
| 16 | databricks.com | 8.45/10 | 96,900 | 53,591 | Aug 2018 |
| 17 | llvm.org | 8.39/10 | 7,200 | 3,555 | Aug 2018 |
| 18 | dtu.dk | 8.35/10 | 2,600 | 3,489 | Oct 2023 |
| 19 | fiu.edu | 8.35/10 | 117,900 | 27,551 | Apr 2020 |
| 20 | openstack.org | 8.33/10 | 2,800 | 3,253 | Aug 2018 |
| 21 | pocoo.org | 8.31/10 | - | - | Aug 2018 |
| 22 | aalto.fi | 8.31/10 | 4,800 | 4,406 | Aug 2018 |
| 23 | arm.com | 8.29/10 | 171,800 | 8,174 | Jul 2024 |
| 24 | confluent.io | 8.25/10 | 78,000 | 5,981 | Aug 2018 |
| 25 | yubico.com | 8.23/10 | 416,500 | 13,879 | Dec 2021 |
| 26 | thenounproject.com | 8.22/10 | 445,500 | 141,715 | Aug 2018 |
| 27 | scipy.org | 8.19/10 | 5,300 | 3,414 | Jun 2018 |
| 28 | luc.edu | 8.11/10 | 179,100 | 55,589 | Aug 2018 |
| 29 | palletsprojects.com | 8.10/10 | 2 | 17 | Jan 2019 |
| 30 | connpass.com | 8.09/10 | 1 | 9 | Sep 2021 |
| 31 | thunderbird.net | 8.07/10 | 97,500 | 12,040 | Feb 2023 |
| 32 | amu.edu.pl | 8.05/10 | 990 | 373 | Feb 2024 |
| 33 | osticket.com | 7.93/10 | 2,500 | 660 | Jan 2019 |
| 34 | agcom.it | 7.84/10 | 32 | 312 | Sep 2024 |
| 35 | uberspace.de | 7.81/10 | 14 | 2 | Aug 2018 |
| 36 | ufu.br | 7.73/10 | 330 | 67 | Apr 2024 |
| 37 | debian.net | 7.72/10 | - | - | Aug 2018 |
| 38 | epam.com | 7.71/10 | 8,600 | 8,050 | Jul 2021 |
| 39 | dataiku.com | 7.70/10 | 2,300 | 2,660 | Aug 2018 |
| 40 | alteryx.com | 7.70/10 | 23,500 | 6,067 | Aug 2022 |
| 41 | unc.edu.ar | 7.70/10 | 620 | 954 | May 2024 |
| 42 | bostondynamics.com | 7.69/10 | 22,400 | 12,140 | Jun 2021 |
| 43 | opnsense.org | 7.63/10 | 6,800 | 2,521 | Aug 2018 |
| 44 | graylog.org | 7.58/10 | 1,300 | 1,910 | Aug 2018 |
| 45 | renesas.com | 7.58/10 | 36,800 | 13,143 | Oct 2022 |
| 46 | acesso.gov.br | 7.57/10 | 330 | 368 | Jun 2025 |
| 47 | cs-cart.com | 7.54/10 | 2,300 | 1,189 | Aug 2018 |
| 48 | cerebras.ai | 7.53/10 | 5,800 | 3,101 | Sep 2025 |
| 49 | pygments.org | 7.53/10 | 130 | 58 | Aug 2018 |
| 50 | ceph.com | 7.48/10 | - | 2 | Aug 2018 |
| 51 | roundcube.net | 7.46/10 | 5,600 | 1,066 | Nov 2024 |
| 52 | pubg.com | 7.46/10 | 34,000 | 8,401 | Jul 2019 |
| 53 | jaea.go.jp | 7.42/10 | 300 | 285 | Aug 2022 |
| 54 | supervisord.org | 7.39/10 | 4,800 | 99 | Jun 2018 |
| 55 | python-guide.org | 7.39/10 | - | - | Aug 2018 |
| 56 | pypy.org | 7.34/10 | 87 | 76 | Aug 2018 |
| 57 | irssi.org | 7.33/10 | 310 | 120 | Sep 2022 |
| 58 | dask.org | 7.22/10 | 860 | 61 | Jan 2019 |
| 59 | tweepy.org | 7.17/10 | 59 | 17 | Aug 2018 |
| 60 | puri.sm | 7.12/10 | 14,300 | 2,693 | Feb 2019 |
| 61 | telecom-paris.fr | 7.11/10 | 120 | 310 | Nov 2022 |
| 62 | saltproject.io | 7.08/10 | 320 | 61 | Jun 2021 |
| 63 | imio.be | 7.03/10 | - | - | Aug 2022 |
| 64 | carpentries.org | 7.03/10 | 470 | 144 | Dec 2020 |
| 65 | libuv.org | 7.02/10 | 22 | 7 | Feb 2019 |
| 66 | citusdata.com | 7.02/10 | 390 | 372 | Apr 2019 |
| 67 | pylonsproject.org | 7.02/10 | 470 | 32 | Aug 2018 |
| 68 | mirantis.com | 7.02/10 | 3,000 | 1,763 | Nov 2021 |
| 69 | fabfile.org | 7.02/10 | 590 | 44 | Jun 2018 |
| 70 | servicos.gov.br | 7.02/10 | 5 | 18 | May 2019 |
| 71 | cryptpad.org | 7.01/10 | 940 | 61 | Nov 2022 |
| 72 | terra.money | 7.01/10 | 660 | 71 | Feb 2022 |
| 73 | wxpython.org | 6.99/10 | 520 | 60 | Aug 2018 |
| 74 | wazuh.com | 6.97/10 | 5,400 | 2,556 | Jan 2019 |
| 75 | scikit-image.org | 6.97/10 | 4,000 | 1,868 | Aug 2018 |
| 76 | ousd.org | 6.94/10 | 23,700 | 9,793 | May 2026 |
| 77 | mixxx.org | 6.92/10 | 7,300 | 2,206 | Jul 2021 |
| 78 | open-contracting.org | 6.88/10 | 3,100 | 203 | Jul 2019 |
| 79 | gromacs.org | 6.85/10 | 350 | 88 | Dec 2018 |
| 80 | geonetwork-opensource.org | 6.78/10 | 26 | 10 | Apr 2019 |
| 81 | graphcore.ai | 6.75/10 | 310 | 294 | Mar 2022 |
| 82 | d2l.ai | 6.73/10 | 6,600 | 5,218 | Apr 2019 |
| 83 | cloud-init.io | 6.71/10 | 83 | 41 | Mar 2024 |
| 84 | mapserver.org | 6.68/10 | 460 | 369 | Apr 2018 |
| 85 | readthedocs-hosted.com | 6.66/10 | - | - | Feb 2019 |
| 86 | usm.cl | 6.65/10 | 630 | 825 | Aug 2018 |
| 87 | cron-job.org | 6.51/10 | 2,400 | 166 | Nov 2022 |
| 88 | citationstyles.org | 6.49/10 | 73 | 36 | Aug 2018 |
| 89 | translatehouse.org | 6.48/10 | - | - | Apr 2019 |
| 90 | opendaylight.org | 6.47/10 | 110 | 22 | Aug 2018 |
| 91 | jami.net | 6.43/10 | 1,800 | 680 | May 2023 |
| 92 | sugarlabs.org | 6.37/10 | 71 | 6 | Apr 2023 |
| 93 | vinyl-cache.org | 6.35/10 | - | - | Jan 2026 |
| 94 | hfm-weimar.de | 6.35/10 | 140 | 120 | Jan 2019 |
| 95 | cyrusimap.org | 6.33/10 | 300 | 48 | Jul 2019 |
| 96 | ultraleap.com | 6.28/10 | - | - | Nov 2021 |
| 97 | paytronix.com | 6.26/10 | 6,500 | 3,327 | Oct 2022 |
| 98 | gluon.ai | 5.31/10 | - | - | Jun 2018 |
| 99 | 0x1fff.com | 1.70/10 | - | 7 | Jan 2019 |
| 100 | ahoydtu.de | 2.62/10 | - | 4 | Sep 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) →