Websites Powered by YUI Doc
1,253 websites tracked using YUI Doc (Documentation) · developer.yahoo.com
YUI Doc is a documentation platform for publishing technical docs. Its official site is developer.yahoo.com. PoweredBy tracks the websites that use YUI Doc 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
200
400
600
800
Apr 2018
May 2020
Jul 2022
Aug 2024
Sep 2026
Domains observed using YUI Doc in each month's HTTP Archive crawl,
Apr 2018 to Sep 2026 · peak 689 in Nov 2022. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.9 s
INP 75 ms
CLS 0
TTFB 700 ms
Median site among 759 YUI Doc sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
347
Italy
220
Spain
170
United Kingdom
158
Germany
155
France
153
Japan
135
India
132
Sites using YUI Doc by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Government | 0.07% | 6 |
| Professional services | <0.01% | 4 |
| Sports and fitness | <0.01% | 1 |
| Arts and entertainment | <0.01% | 1 |
| News and media | <0.01% | 1 |
| Education | <0.01% | 1 |
| Retail | <0.01% | 2 |
Share of each industry's websites with a detected stack that use YUI Doc; industries come from what sites declare in their own structured data.
Top sites by authority
9+
0% · 0 of 372 sites
8+
<1% · 5 of 7,677 sites
7+
<1% · 31 of 45,712 sites
6+
<1% · 49 of 110,136 sites
5+
<1% · 65 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running YUI Doc in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using YUI Doc
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | coe.int | 8.86/10 | 136,500 | 40,336 | Aug 2022 |
| 2 | custhelp.com | 8.40/10 | - | - | Aug 2018 |
| 3 | chicago.gov | 8.35/10 | 910,000 | 200,534 | Sep 2021 |
| 4 | istruzione.it | 8.24/10 | 1,500 | 514 | Aug 2018 |
| 5 | newcastle.edu.au | 8.04/10 | 41,700 | 15,359 | Aug 2018 |
| 6 | regione.veneto.it | 7.95/10 | 110 | 339 | Aug 2019 |
| 7 | ltu.se | 7.91/10 | 670 | 766 | Aug 2018 |
| 8 | creditmutuel.fr | 7.89/10 | 2,500 | 1,525 | Aug 2022 |
| 9 | banquepopulaire.fr | 7.81/10 | 2,200 | 1,681 | Dec 2021 |
| 10 | sncf-connect.com | 7.78/10 | 55,100 | 30,543 | Jul 2023 |
| 11 | totalenergies.com | 7.75/10 | 38,200 | 12,917 | Sep 2021 |
| 12 | regione.puglia.it | 7.68/10 | 90 | 100 | Jan 2019 |
| 13 | oszk.hu | 7.65/10 | 20 | 30 | Dec 2023 |
| 14 | ingv.it | 7.61/10 | 380 | 729 | May 2022 |
| 15 | jccm.es | 7.60/10 | 200 | 346 | Mar 2021 |
| 16 | insst.es | 7.54/10 | 1,400 | 2,898 | Aug 2024 |
| 17 | britishlegion.org.uk | 7.51/10 | 19,400 | 11,302 | Aug 2018 |
| 18 | comune.bologna.it | 7.51/10 | 110 | 260 | Aug 2018 |
| 19 | singtel.com | 7.34/10 | 3,800 | 3,907 | Apr 2023 |
| 20 | ostfalia.de | 7.32/10 | 25 | 67 | Aug 2018 |
| 21 | turismo.gal | 7.10/10 | 3,900 | 1,468 | Jan 2026 |
| 22 | trasparenza-valutazione-merito.it | 7.09/10 | - | - | Jul 2019 |
| 23 | april.fr | 7.09/10 | 130 | 399 | Jan 2024 |
| 24 | comune.verona.it | 7.07/10 | 560 | 310 | Nov 2025 |
| 25 | npolar.no | 7.05/10 | 6,100 | 1,516 | Aug 2018 |
| 26 | uni-corvinus.hu | 7.02/10 | 1,800 | 570 | Sep 2018 |
| 27 | comune.palermo.it | 7.02/10 | 1,200 | 701 | Apr 2020 |
| 28 | spravazeleznic.cz | 7.02/10 | 63 | 136 | Dec 2020 |
| 29 | mendoza.gov.ar | 7.02/10 | 2,300 | 4,067 | Aug 2018 |
| 30 | educarex.es | 7.02/10 | 460 | 358 | Jun 2022 |
| 31 | cvce.eu | 7.02/10 | 28,900 | 7,099 | Jun 2018 |
| 32 | groupe-casino.fr | 6.91/10 | 540 | 168 | Aug 2018 |
| 33 | ctu.edu.vn | 6.88/10 | 83 | 97 | Aug 2018 |
| 34 | comune-online.it | 6.84/10 | - | - | Jul 2019 |
| 35 | camaramadrid.es | 6.75/10 | 40 | 95 | Jun 2018 |
| 36 | generaliceska.cz | 6.74/10 | 14 | 59 | Feb 2020 |
| 37 | ppke.hu | 6.70/10 | 8 | 38 | Nov 2022 |
| 38 | dipucadiz.es | 6.61/10 | 58 | 35 | Dec 2020 |
| 39 | caminodesantiago.gal | 6.59/10 | 5,200 | 951 | Jan 2019 |
| 40 | danang.gov.vn | 6.53/10 | 550 | 1,418 | Aug 2018 |
| 41 | marantz.com | 6.48/10 | 33,100 | 3,536 | Jun 2021 |
| 42 | treasury.gov.my | 6.46/10 | - | - | Sep 2018 |
| 43 | squ.edu.om | 6.40/10 | 1,300 | 865 | Aug 2018 |
| 44 | mnm.hu | 6.33/10 | 110 | 125 | Jun 2024 |
| 45 | uni-mate.hu | 6.32/10 | 160 | 37 | Nov 2022 |
| 46 | knuddels.de | 6.25/10 | 58 | 69 | Aug 2022 |
| 47 | hbk-bs.de | 6.19/10 | 9 | 17 | Jan 2019 |
| 48 | pim.hu | 6.14/10 | 12 | 16 | Aug 2018 |
| 49 | unn.edu.ng | 6.05/10 | 1,700 | 1,408 | Jan 2019 |
| 50 | standardadmin.org | 5.99/10 | - | - | Sep 2022 |
| 51 | zippyapp.com | 5.86/10 | 1,800 | 1,343 | Jun 2017 |
| 52 | polkaudio.com | 5.84/10 | 65,600 | 5,912 | Jun 2023 |
| 53 | comune.pisa.it | 5.79/10 | 48 | 218 | May 2020 |
| 54 | comune.ra.it | 5.73/10 | 1 | 28 | Mar 2021 |
| 55 | comune.salerno.it | 5.69/10 | 33 | 122 | Apr 2020 |
| 56 | nnpcgroup.com | 5.61/10 | 660 | 210 | Jul 2024 |
| 57 | provincia.le.it | 5.59/10 | 150 | 221 | Jul 2022 |
| 58 | getalma.com | 5.49/10 | 5,100 | 818 | Aug 2018 |
| 59 | pam.fi | 5.44/10 | 580 | 207 | Sep 2020 |
| 60 | pocztowy.pl | 5.43/10 | 60 | 152 | Jun 2021 |
| 61 | mast.org | 5.37/10 | 49 | 167 | Jan 2019 |
| 62 | cnpp.ro | 5.33/10 | 150 | 193 | Jun 2018 |
| 63 | comune.messina.it | 5.30/10 | 4 | 53 | Jan 2023 |
| 64 | saludinforma.es | 5.29/10 | 96 | 348 | Jul 2021 |
| 65 | montelupo-fiorentino.fi.it | 5.21/10 | - | - | Apr 2023 |
| 66 | multeonline.it | 4.89/10 | - | - | Jan 2019 |
| 67 | arpa.puglia.it | 4.74/10 | 140 | 15 | Feb 2025 |
| 68 | medpro.com | 4.72/10 | - | - | Sep 2023 |
| 69 | agenziapiemontelavoro.it | 4.72/10 | 24 | 70 | Nov 2022 |
| 70 | dia.hu | 4.70/10 | - | - | Jan 2019 |
| 71 | aeroport.bzh | 4.69/10 | - | - | Aug 2018 |
| 72 | swimcloud.com | 4.56/10 | - | - | Jan 2019 |
| 73 | monguz.hu | 4.56/10 | - | - | Jul 2019 |
| 74 | mtsss.gov.pt | 4.56/10 | - | - | Jul 2020 |
| 75 | urdinkel.ch | 4.25/10 | - | - | Jan 2019 |
| 76 | qulto.eu | 4.22/10 | - | - | Aug 2024 |
| 77 | biocid-anses.fr | 4.19/10 | - | 1 | Apr 2023 |
| 78 | uacam.mx | 4.15/10 | - | - | Mar 2021 |
| 79 | nwcsaf.org | 4.10/10 | - | - | Oct 2020 |
| 80 | bagno-a-ripoli.fi.it | 4.09/10 | - | - | Jun 2024 |
| 81 | moncalieri.to.it | 4.08/10 | - | - | Jul 2020 |
| 82 | business.go.tz | 4.06/10 | - | - | Feb 2020 |
| 83 | covisint.com | 4.05/10 | - | - | Dec 2022 |
| 84 | fondation-entrepreneurs.mma | 4.03/10 | - | - | Jan 2019 |
| 85 | litchfieldhistoricalsociety.org | 4.03/10 | - | - | Nov 2022 |
| 86 | azda.gov | 4.01/10 | - | - | Jan 2019 |
| 87 | bmk.hu | 3.96/10 | - | - | Apr 2020 |
| 88 | progetto-sole.it | 3.94/10 | - | - | Mar 2022 |
| 89 | paralimpicos.pt | 3.92/10 | - | - | May 2019 |
| 90 | zppa.org.zm | 3.91/10 | - | - | Aug 2018 |
| 91 | cassanomagnago.va.it | 3.86/10 | - | - | Sep 2022 |
| 92 | zerotracas.mma | 3.85/10 | - | - | Jun 2016 |
| 93 | inturjoven.com | 3.85/10 | - | - | Jul 2022 |
| 94 | rozzano.mi.it | 3.76/10 | - | - | Jul 2020 |
| 95 | postservis.cz | 3.74/10 | - | - | Dec 2025 |
| 96 | gilhospital.com | 3.74/10 | - | - | May 2020 |
| 97 | asp.messina.it | 3.72/10 | - | - | Aug 2026 |
| 98 | dcom.sk | 3.69/10 | - | - | Jan 2019 |
| 99 | settimo-torinese.to.it | 3.66/10 | - | - | May 2020 |
| 100 | bellaria-igea-marina.rn.it | 3.58/10 | - | - | Aug 2022 |
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).