Websites Powered by Apache Traffic Server
25,254 websites tracked using Apache Traffic Server (Web servers) · trafficserver.apache.org
Apache Traffic Server is a web server that delivers the site's pages. Its official site is trafficserver.apache.org. PoweredBy tracks the websites that use Apache Traffic Server across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the web servers ecosystem.
Usage trend
5K
10K
15K
Apr 2018
Jun 2020
Jul 2022
Sep 2024
Oct 2026
Domains observed using Apache Traffic Server in each month's HTTP Archive crawl,
Apr 2018 to Oct 2026 · peak 13,860 in Jul 2019. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.7 s
INP 75 ms
CLS 0
TTFB 800 ms
Median site among 6,744 Apache Traffic Server sites with Chrome UX data, p75 values, Sep 2026.
Top countries
Czechia
4,827
United States
1,287
Slovakia
459
India
384
Canada
352
United Kingdom
351
Germany
313
Australia
234
Sites using Apache Traffic Server by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Beauty and wellness | 0.09% | 27 |
| Arts and entertainment | 0.07% | 36 |
| Pets and animals | 0.06% | 2 |
| Sports and fitness | 0.06% | 13 |
| Education | 0.03% | 21 |
| Home and construction | 0.03% | 20 |
| News and media | 0.03% | 15 |
| Professional services | 0.03% | 16 |
| Restaurants and food | 0.03% | 43 |
| Travel and hospitality | 0.02% | 19 |
| Healthcare | 0.02% | 26 |
| Non-profit and religious | 0.02% | 2 |
Share of each industry's websites with a detected stack that use Apache Traffic Server; industries come from what sites declare in their own structured data.
Top sites by authority
9+
1% · 4 of 372 sites
8+
<1% · 18 of 7,677 sites
7+
<1% · 31 of 45,712 sites
6+
<1% · 49 of 110,136 sites
5+
<1% · 73 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Apache Traffic Server in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Apache Traffic Server
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | wikipedia.org | 9.64/10 | 938,200 | 10,369 | Sep 2019 |
| 2 | yahoo.com | 9.27/10 | 15,772,000 | 8,807,788 | May 2017 |
| 3 | wikimedia.org | 9.25/10 | 26,200 | 5,466 | May 2019 |
| 4 | apache.org | 9.21/10 | 35,700 | 6,177 | Jul 2019 |
| 5 | wiktionary.org | 8.84/10 | 1,800 | 515 | Sep 2019 |
| 6 | aol.com | 8.81/10 | 5,394,600 | 4,486,218 | Feb 2018 |
| 7 | mediawiki.org | 8.73/10 | 15,600 | 3,564 | Nov 2019 |
| 8 | 163.com | 8.65/10 | 3,300 | 7,086 | Aug 2018 |
| 9 | wikisource.org | 8.64/10 | 2,200 | 1,210 | Oct 2019 |
| 10 | unam.mx | 8.58/10 | 1,900 | 1,196 | Apr 2020 |
| 11 | wikibooks.org | 8.57/10 | 630 | 116 | Sep 2019 |
| 12 | kcl.ac.uk | 8.55/10 | 76,400 | 39,188 | Sep 2021 |
| 13 | wikiquote.org | 8.49/10 | 230 | 92 | Sep 2019 |
| 14 | state.ma.us | 8.15/10 | - | - | Aug 2018 |
| 15 | active.com | 8.15/10 | 52,500 | 20,015 | Apr 2026 |
| 16 | yahooinc.com | 8.10/10 | 280,800 | 3,925 | Nov 2021 |
| 17 | china.com | 8.03/10 | - | - | Aug 2022 |
| 18 | co.nl | 8.00/10 | - | - | Feb 2025 |
| 19 | mpf.mp.br | 7.86/10 | 410 | 447 | Jan 2019 |
| 20 | oath.com | 7.84/10 | - | - | Jan 2019 |
| 21 | wikinews.org | 7.81/10 | 430 | 43 | Oct 2019 |
| 22 | altavista.com | 7.78/10 | 1,300 | 40 | May 2017 |
| 23 | wikiversity.org | 7.74/10 | 240 | 36 | Sep 2019 |
| 24 | wikivoyage.org | 7.72/10 | 1,300 | 111 | Oct 2019 |
| 25 | yahoo.com.tw | 7.68/10 | - | - | May 2017 |
| 26 | rhul.ac.uk | 7.67/10 | - | - | Aug 2019 |
| 27 | charita.cz | 7.65/10 | 700 | 17 | Feb 2023 |
| 28 | vedos.cz | 7.58/10 | 26 | 26 | Feb 2026 |
| 29 | flurry.com | 7.50/10 | 220 | 137 | May 2017 |
| 30 | prague.eu | 7.43/10 | 95,500 | 10,847 | Aug 2022 |
| 31 | aol.co.uk | 7.41/10 | 16,200 | 26,059 | Aug 2018 |
| 32 | aol.de | 6.90/10 | 1,900 | 162 | Aug 2018 |
| 33 | upnvj.ac.id | 6.88/10 | 21 | 47 | Sep 2026 |
| 34 | wedos.com | 6.83/10 | 62 | 4 | Aug 2019 |
| 35 | olomouc.eu | 6.79/10 | 2 | 35 | Sep 2021 |
| 36 | fatsecret.com | 6.54/10 | 12,500 | 5,327 | Nov 2021 |
| 37 | shoptak.cz | 6.53/10 | - | - | Sep 2021 |
| 38 | sensor.community | 6.50/10 | 10 | 15 | Aug 2020 |
| 39 | open-scap.org | 6.41/10 | 790 | 88 | Nov 2018 |
| 40 | nadacevia.cz | 6.40/10 | 1 | 5 | May 2019 |
| 41 | wedos.cz | 6.37/10 | - | - | Jan 2019 |
| 42 | ceskafilharmonie.cz | 6.32/10 | 550 | 274 | Jul 2020 |
| 43 | mpu.mp.br | 6.31/10 | 61 | 238 | Oct 2017 |
| 44 | hrvatskitelekom.hr | 6.29/10 | 8,500 | 678 | Oct 2021 |
| 45 | myscience.ch | 6.27/10 | 1,000 | 1,111 | Nov 2023 |
| 46 | banco-casino.cz | 6.27/10 | - | 6 | Apr 2019 |
| 47 | zivykraj.cz | 6.19/10 | 45 | 23 | Aug 2021 |
| 48 | beboundless.jp | 6.13/10 | 2 | 11 | Feb 2022 |
| 49 | hvezdarna.cz | 6.11/10 | 34 | 24 | Apr 2021 |
| 50 | modralinka.cz | 5.93/10 | - | - | Nov 2025 |
| 51 | podaneruce.cz | 5.73/10 | 1 | 1 | May 2019 |
| 52 | biskupstvi.cz | 5.68/10 | 2 | 1 | Jun 2022 |
| 53 | klasikaplus.cz | 5.68/10 | 2 | 30 | Jan 2019 |
| 54 | aol.ca | 5.57/10 | 1,600 | 310 | Aug 2018 |
| 55 | cvf.cz | 5.54/10 | 21 | 69 | Jul 2026 |
| 56 | mensa.cz | 5.53/10 | 2 | 4 | Mar 2020 |
| 57 | epochtimes.cz | 5.49/10 | 44 | 134 | Jun 2025 |
| 58 | czechonlineexpo.cz | 5.45/10 | - | 1 | Jan 2026 |
| 59 | myscience.org | 5.43/10 | 750 | 1,500 | Nov 2023 |
| 60 | hatefree.cz | 5.43/10 | - | 17 | Sep 2020 |
| 61 | 4home.cz | 5.41/10 | 3 | 33 | Oct 2020 |
| 62 | nepanikar.eu | 5.38/10 | - | 2 | Dec 2020 |
| 63 | toulcuvdvur.cz | 5.38/10 | - | - | Aug 2019 |
| 64 | brokis.cz | 5.38/10 | 2 | 5 | May 2019 |
| 65 | aperio.cz | 5.33/10 | 4 | 4 | Jan 2019 |
| 66 | aisitalia.it | 5.32/10 | 22 | 82 | May 2025 |
| 67 | genomia.cz | 5.30/10 | 1,000 | 1,145 | Nov 2024 |
| 68 | sumperk.cz | 5.30/10 | 8 | 8 | Jul 2019 |
| 69 | casd.cz | 5.28/10 | - | - | Mar 2020 |
| 70 | visionplus.id | 5.23/10 | 270 | 133 | Feb 2024 |
| 71 | locusmap.app | 5.15/10 | 2,000 | 2,028 | May 2019 |
| 72 | ultreia.cz | 5.07/10 | 10 | 13 | Jul 2020 |
| 73 | sedmagenerace.cz | 5.02/10 | - | 2 | Jul 2020 |
| 74 | ht.hr | 4.83/10 | - | - | Jul 2023 |
| 75 | cykloturistika.cz | 4.82/10 | - | - | Jan 2021 |
| 76 | spd.cz | 4.81/10 | - | - | Sep 2020 |
| 77 | slunakov.cz | 4.75/10 | - | - | Apr 2019 |
| 78 | superlink.cz | 4.74/10 | - | - | Jan 2019 |
| 79 | iims.org.uk | 4.73/10 | - | - | Jan 2021 |
| 80 | benco.com | 4.73/10 | 5,700 | 4,261 | Oct 2022 |
| 81 | turistickamapa.cz | 4.72/10 | - | - | Apr 2025 |
| 82 | benefity.cz | 4.71/10 | 19 | 24 | Feb 2024 |
| 83 | stezkaceskem.cz | 4.70/10 | - | - | May 2021 |
| 84 | vivnetworks.com | 4.69/10 | - | - | Apr 2021 |
| 85 | psl.cz | 4.69/10 | - | - | Apr 2025 |
| 86 | chrudim.eu | 4.69/10 | - | - | Jul 2023 |
| 87 | vysocina-news.cz | 4.69/10 | - | - | Jan 2019 |
| 88 | cysnews.cz | 4.69/10 | - | - | Feb 2026 |
| 89 | bozidar.cz | 4.69/10 | - | - | Aug 2021 |
| 90 | muzeumkarlazemana.cz | 4.69/10 | - | - | Feb 2020 |
| 91 | universityrankings.ch | 4.69/10 | - | - | Nov 2023 |
| 92 | biotox.cz | 4.69/10 | - | 3 | Jan 2021 |
| 93 | yq.cz | 4.63/10 | - | - | Aug 2022 |
| 94 | concentus-moraviae.cz | 4.63/10 | - | - | Sep 2019 |
| 95 | potravinybezlepku.cz | 4.57/10 | - | - | Apr 2026 |
| 96 | vychytane.cz | 4.57/10 | - | - | Feb 2020 |
| 97 | edisonfilmhub.cz | 4.56/10 | - | - | May 2020 |
| 98 | mesto-trebon.cz | 4.43/10 | - | - | Jan 2019 |
| 99 | divadelnisvet.cz | 4.34/10 | - | - | Jul 2019 |
| 100 | czepa.cz | 4.34/10 | - | - | Jan 2021 |
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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