Websites Powered by Polymer
2,145 websites tracked using Polymer (JavaScript frameworks) · polymer-project.org
Polymer is a JavaScript framework for building interactive web applications. Its official site is polymer-project.org. PoweredBy tracks the websites that use Polymer across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the javascript frameworks ecosystem.
Usage trend
500
1K
1.5K
Apr 2018
May 2020
May 2022
Jun 2024
Jun 2026
Domains observed using Polymer in each month's HTTP Archive crawl,
Apr 2018 to Jun 2026 · peak 1,396 in Aug 2021. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.8 s
INP 100 ms
CLS 0
TTFB 700 ms
Median site among 1,056 Polymer sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
685
Germany
429
United Kingdom
425
Canada
411
India
368
France
319
Spain
305
Italy
296
Sites using Polymer by audience country, Chrome UX Report.
Top sites by authority
9+
3% · 10 of 372 sites
8+
<1% · 39 of 7,677 sites
7+
<1% · 119 of 45,712 sites
6+
<1% · 153 of 110,136 sites
5+
<1% · 173 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Polymer in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Polymer
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | google.com | 10.00/10 | 36,640,600 | 1,601,732 | Aug 2018 |
| 2 | youtube.com | 9.88/10 | 935,305,900 | 523,935,658 | Aug 2018 |
| 3 | github.io | 9.43/10 | 1,800 | 1 | Aug 2018 |
| 4 | wikimedia.org | 9.25/10 | 26,200 | 5,466 | Jul 2020 |
| 5 | line.me | 9.23/10 | 57,900 | 397 | Jul 2021 |
| 6 | nasa.gov | 9.15/10 | 2,715,500 | 372,280 | Aug 2018 |
| 7 | berkeley.edu | 9.10/10 | 166,900 | 5,412 | Dec 2023 |
| 8 | usatoday.com | 9.08/10 | 10,803,700 | 3,413,388 | May 2018 |
| 9 | noaa.gov | 9.07/10 | 1,258,800 | 144,262 | Aug 2022 |
| 10 | livestream.com | 9.00/10 | 35,400 | 2,320 | Aug 2018 |
| 11 | android.com | 8.98/10 | 540,200 | 161,498 | Feb 2019 |
| 12 | cisco.com | 8.92/10 | 1,161,900 | 251,239 | Jun 2018 |
| 13 | withgoogle.com | 8.91/10 | - | - | Aug 2018 |
| 14 | duke.edu | 8.88/10 | 193,100 | 821 | Jul 2020 |
| 15 | illinois.edu | 8.83/10 | 47,000 | 4,065 | Nov 2022 |
| 16 | chromium.org | 8.77/10 | 66,400 | 12,752 | Feb 2019 |
| 17 | berlin.de | 8.75/10 | 78,900 | 23,782 | Dec 2020 |
| 18 | irishtimes.com | 8.67/10 | 189,300 | 148,336 | Apr 2023 |
| 19 | postman.com | 8.64/10 | 35,200 | 23,417 | Jun 2023 |
| 20 | wi.gov | 8.63/10 | - | - | Apr 2022 |
| 21 | blm.gov | 8.62/10 | 1,024,700 | 234,839 | Aug 2018 |
| 22 | tvp.pl | 8.58/10 | 1,500 | 1,073 | Aug 2019 |
| 23 | tensorflow.org | 8.56/10 | 261,900 | 20,746 | Sep 2018 |
| 24 | libreoffice.org | 8.53/10 | 147,900 | 21,932 | Jan 2023 |
| 25 | vlaanderen.be | 8.49/10 | 7,000 | 3,242 | Aug 2022 |
| 26 | photoshelter.com | 8.38/10 | 3,300 | 657 | Jun 2018 |
| 27 | azcentral.com | 8.38/10 | 1,110,600 | 517,879 | Jun 2018 |
| 28 | googlesource.com | 8.37/10 | - | - | Aug 2022 |
| 29 | freep.com | 8.37/10 | 1,278,700 | 486,257 | Jun 2018 |
| 30 | knightlab.com | 8.33/10 | - | - | Apr 2025 |
| 31 | typo3.org | 8.32/10 | 290 | 235 | Aug 2022 |
| 32 | firebaseapp.com | 8.27/10 | - | - | Aug 2018 |
| 33 | jsonline.com | 8.27/10 | 1,295,400 | 326,927 | Apr 2018 |
| 34 | dispatch.com | 8.23/10 | 489,100 | 277,132 | Oct 2020 |
| 35 | detroitnews.com | 8.23/10 | 366,600 | 262,462 | May 2018 |
| 36 | tennessean.com | 8.17/10 | 487,100 | 281,419 | Apr 2018 |
| 37 | mas.gov.sg | 8.15/10 | 17,100 | 15,306 | Jul 2019 |
| 38 | indystar.com | 8.07/10 | 921,500 | 367,182 | Apr 2018 |
| 39 | desmoinesregister.com | 8.06/10 | 376,400 | 214,257 | Jun 2018 |
| 40 | northjersey.com | 7.98/10 | 605,600 | 335,147 | Apr 2018 |
| 41 | cincinnati.com | 7.98/10 | 724,400 | 303,026 | May 2018 |
| 42 | courier-journal.com | 7.96/10 | 572,500 | 271,498 | May 2018 |
| 43 | palmbeachpost.com | 7.89/10 | 466,500 | 235,668 | Sep 2020 |
| 44 | rgj.com | 7.88/10 | 135,700 | 83,850 | Jun 2018 |
| 45 | leagueoflegends.com | 7.87/10 | 1,200,400 | 65,342 | Aug 2018 |
| 46 | telegram.com | 7.82/10 | 260,800 | 80,571 | Mar 2021 |
| 47 | app.com | 7.78/10 | 359,100 | 153,869 | Apr 2018 |
| 48 | oklahoman.com | 7.76/10 | 579,100 | 251,688 | Oct 2021 |
| 49 | providencejournal.com | 7.72/10 | 321,300 | 153,678 | Jan 2021 |
| 50 | nhs.wales | 7.71/10 | 1,600 | 879 | Feb 2020 |
| 51 | knoxnews.com | 7.69/10 | 260,100 | 141,158 | Jun 2018 |
| 52 | jacksonville.com | 7.68/10 | 426,700 | 216,238 | Aug 2020 |
| 53 | tallahassee.com | 7.64/10 | 240,300 | 157,925 | Jun 2018 |
| 54 | democratandchronicle.com | 7.64/10 | 352,600 | 150,971 | Apr 2018 |
| 55 | delawareonline.com | 7.62/10 | 301,000 | 152,037 | Apr 2018 |
| 56 | heraldtribune.com | 7.61/10 | 223,700 | 134,967 | Aug 2020 |
| 57 | mittelbayerische.de | 7.59/10 | 350 | 1,074 | Jan 2023 |
| 58 | broward.org | 7.57/10 | 835,100 | 107,765 | Jan 2022 |
| 59 | pnp.de | 7.57/10 | 1,000 | 2,022 | Sep 2020 |
| 60 | wickedlocal.com | 7.55/10 | 70,900 | 63,456 | Jan 2021 |
| 61 | desertsun.com | 7.54/10 | 265,600 | 133,295 | Jun 2018 |
| 62 | scania.com | 7.49/10 | 13,100 | 4,012 | Jan 2019 |
| 63 | naplesnews.com | 7.49/10 | 116,900 | 81,191 | May 2018 |
| 64 | floridatoday.com | 7.49/10 | 214,900 | 123,166 | Apr 2018 |
| 65 | lohud.com | 7.48/10 | 200,400 | 118,454 | Apr 2018 |
| 66 | clarionledger.com | 7.47/10 | 182,200 | 103,872 | Apr 2018 |
| 67 | commercialappeal.com | 7.47/10 | 249,200 | 112,760 | Apr 2018 |
| 68 | lokalkompass.de | 7.46/10 | 220 | 840 | Jul 2021 |
| 69 | donaukurier.de | 7.46/10 | 340 | 948 | Aug 2022 |
| 70 | news-press.com | 7.44/10 | 214,300 | 105,044 | May 2018 |
| 71 | qt-project.org | 7.43/10 | 104,200 | 138 | Jun 2019 |
| 72 | webcomponents.org | 7.40/10 | 470 | 351 | Jun 2018 |
| 73 | opendev.org | 7.39/10 | 2,300 | 1,954 | Dec 2020 |
| 74 | news-journalonline.com | 7.39/10 | 274,100 | 132,862 | Sep 2020 |
| 75 | citizen-times.com | 7.38/10 | 133,700 | 82,775 | May 2018 |
| 76 | baltimorecountymd.gov | 7.38/10 | 198,900 | 70,315 | Feb 2024 |
| 77 | statesmanjournal.com | 7.37/10 | 196,200 | 91,492 | Jun 2018 |
| 78 | lineageos.org | 7.37/10 | 8,600 | 2,265 | Dec 2018 |
| 79 | beaconjournal.com | 7.36/10 | 286,600 | 161,052 | Oct 2020 |
| 80 | azores.gov.pt | 7.36/10 | 1 | 2 | Aug 2018 |
| 81 | 8x8.vc | 7.33/10 | 1,800 | 22 | Apr 2022 |
| 82 | savannahnow.com | 7.33/10 | 80,800 | 69,304 | Mar 2021 |
| 83 | rec1.com | 7.32/10 | - | - | Aug 2018 |
| 84 | pnj.com | 7.32/10 | 164,900 | 80,596 | Jun 2018 |
| 85 | greenvilleonline.com | 7.32/10 | 279,600 | 85,804 | May 2018 |
| 86 | tcpalm.com | 7.32/10 | 156,900 | 98,729 | May 2018 |
| 87 | seacoastonline.com | 7.31/10 | 97,100 | 73,837 | Dec 2020 |
| 88 | cjonline.com | 7.31/10 | 134,600 | 61,186 | Mar 2021 |
| 89 | elpasotimes.com | 7.31/10 | 246,500 | 97,775 | Jun 2018 |
| 90 | news-leader.com | 7.30/10 | 63,200 | 49,241 | Jun 2018 |
| 91 | eugene-or.gov | 7.30/10 | 150,200 | 38,242 | Jan 2019 |
| 92 | theledger.com | 7.27/10 | 66,000 | 61,877 | Sep 2020 |
| 93 | coloradoan.com | 7.27/10 | 104,700 | 71,195 | Jul 2018 |
| 94 | registerguard.com | 7.26/10 | 107,400 | 47,206 | Sep 2020 |
| 95 | lansingstatejournal.com | 7.23/10 | 143,400 | 67,945 | Jun 2018 |
| 96 | vcstar.com | 7.20/10 | 77,900 | 47,629 | Jun 2018 |
| 97 | gainesville.com | 7.20/10 | 207,900 | 77,121 | Sep 2020 |
| 98 | schoolspring.com | 7.16/10 | 21,300 | 7,239 | Jan 2021 |
| 99 | lcms.org | 7.11/10 | 94,000 | 19,352 | Jun 2025 |
| 100 | capecodtimes.com | 7.10/10 | 130,500 | 87,581 | Mar 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) →