Websites Powered by Polymer
2,153 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
Jul 2022
Aug 2024
Sep 2026
Domains observed using Polymer in each month's HTTP Archive crawl,
Apr 2018 to Sep 2026 · peak 1,396 in Aug 2021. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.7 s
INP 100 ms
CLS 0
TTFB 700 ms
Median site among 1,036 Polymer sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
603
Germany
377
United Kingdom
371
Canada
351
India
314
Spain
280
France
270
Italy
264
Sites using Polymer by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Finance and insurance | 0.05% | 9 |
| Government | 0.05% | 4 |
| Education | <0.01% | 4 |
| Real estate | <0.01% | 2 |
| Home and construction | <0.01% | 1 |
| Software and apps | <0.01% | 2 |
| Travel and hospitality | <0.01% | 1 |
| Retail | <0.01% | 1 |
Share of each industry's websites with a detected stack that use Polymer; industries come from what sites declare in their own structured data.
Top sites by authority
9+
2% · 8 of 372 sites
8+
<1% · 35 of 7,677 sites
7+
<1% · 118 of 45,712 sites
6+
<1% · 151 of 110,136 sites
5+
<1% · 170 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 | 36,639,600 | 1,268,226 | Aug 2018 |
| 2 | youtube.com | 9.88/10 | 917,820,800 | 108,381,787 | Sep 2017 |
| 3 | wikimedia.org | 9.25/10 | 26,200 | 5,466 | Jul 2020 |
| 4 | line.me | 9.23/10 | 57,900 | 397 | Jul 2021 |
| 5 | nasa.gov | 9.15/10 | 2,697,400 | 289,920 | Aug 2018 |
| 6 | berkeley.edu | 9.10/10 | 166,700 | 4,721 | Dec 2023 |
| 7 | usatoday.com | 9.08/10 | 10,622,200 | 2,975,633 | May 2018 |
| 8 | noaa.gov | 9.07/10 | 1,233,000 | 125,205 | Aug 2022 |
| 9 | android.com | 8.98/10 | 537,600 | 140,748 | Feb 2019 |
| 10 | cisco.com | 8.92/10 | 1,161,900 | 251,239 | Jun 2018 |
| 11 | withgoogle.com | 8.91/10 | - | - | Aug 2018 |
| 12 | duke.edu | 8.88/10 | 194,300 | 1,396 | Jul 2020 |
| 13 | illinois.edu | 8.83/10 | 47,000 | 3,612 | Nov 2022 |
| 14 | chromium.org | 8.77/10 | 65,900 | 10,901 | Feb 2019 |
| 15 | berlin.de | 8.75/10 | 78,900 | 23,782 | Dec 2020 |
| 16 | irishtimes.com | 8.67/10 | 189,300 | 148,336 | Apr 2023 |
| 17 | wi.gov | 8.63/10 | - | - | Apr 2022 |
| 18 | blm.gov | 8.62/10 | 1,013,300 | 195,662 | Aug 2018 |
| 19 | tvp.pl | 8.58/10 | 1,500 | 1,073 | Aug 2019 |
| 20 | tensorflow.org | 8.56/10 | 261,900 | 20,746 | Sep 2018 |
| 21 | libreoffice.org | 8.53/10 | 126,900 | 18,163 | Jan 2023 |
| 22 | vlaanderen.be | 8.49/10 | 7,000 | 3,242 | Aug 2022 |
| 23 | photoshelter.com | 8.38/10 | 3,300 | 657 | Jun 2018 |
| 24 | azcentral.com | 8.38/10 | 1,093,500 | 442,530 | Jun 2018 |
| 25 | freep.com | 8.37/10 | 1,256,300 | 412,688 | Jun 2018 |
| 26 | typo3.org | 8.32/10 | 290 | 235 | Aug 2022 |
| 27 | firebaseapp.com | 8.27/10 | - | - | Aug 2018 |
| 28 | jsonline.com | 8.27/10 | 1,261,400 | 275,982 | Apr 2018 |
| 29 | dispatch.com | 8.23/10 | 481,800 | 239,811 | Oct 2020 |
| 30 | detroitnews.com | 8.23/10 | 359,600 | 233,576 | May 2018 |
| 31 | tennessean.com | 8.17/10 | 481,500 | 239,643 | Apr 2018 |
| 32 | mas.gov.sg | 8.15/10 | 17,100 | 15,306 | Jul 2019 |
| 33 | indystar.com | 8.07/10 | 902,500 | 307,268 | Apr 2018 |
| 34 | desmoinesregister.com | 8.06/10 | 373,200 | 180,033 | Jun 2018 |
| 35 | bg.ac.rs | 8.02/10 | 68 | 28 | May 2024 |
| 36 | northjersey.com | 7.98/10 | 598,000 | 289,391 | Apr 2018 |
| 37 | cincinnati.com | 7.98/10 | 718,500 | 259,797 | May 2018 |
| 38 | courier-journal.com | 7.96/10 | 563,300 | 231,472 | May 2018 |
| 39 | palmbeachpost.com | 7.89/10 | 448,200 | 202,315 | Sep 2020 |
| 40 | rgj.com | 7.88/10 | 135,000 | 73,951 | Jun 2018 |
| 41 | telegram.com | 7.82/10 | 259,500 | 71,920 | Mar 2021 |
| 42 | app.com | 7.78/10 | 357,100 | 133,105 | Apr 2018 |
| 43 | oklahoman.com | 7.76/10 | 537,700 | 212,206 | Oct 2021 |
| 44 | providencejournal.com | 7.72/10 | 317,200 | 136,146 | Jan 2021 |
| 45 | nhs.wales | 7.71/10 | 1,600 | 879 | Feb 2020 |
| 46 | knoxnews.com | 7.69/10 | 258,300 | 115,367 | Jun 2018 |
| 47 | jacksonville.com | 7.68/10 | 421,300 | 189,021 | Aug 2020 |
| 48 | tallahassee.com | 7.64/10 | 232,200 | 134,821 | Jun 2018 |
| 49 | democratandchronicle.com | 7.64/10 | 350,100 | 128,802 | Apr 2018 |
| 50 | delawareonline.com | 7.62/10 | 297,300 | 132,064 | Apr 2018 |
| 51 | heraldtribune.com | 7.61/10 | 222,100 | 118,577 | Aug 2020 |
| 52 | mittelbayerische.de | 7.59/10 | 350 | 1,074 | Jan 2023 |
| 53 | pnp.de | 7.57/10 | 1,000 | 2,022 | Sep 2020 |
| 54 | desertsun.com | 7.54/10 | 259,100 | 117,245 | Jun 2018 |
| 55 | scania.com | 7.49/10 | 13,100 | 4,012 | Jan 2019 |
| 56 | naplesnews.com | 7.49/10 | 114,900 | 69,550 | May 2018 |
| 57 | floridatoday.com | 7.49/10 | 213,600 | 107,154 | Apr 2018 |
| 58 | lohud.com | 7.48/10 | 198,800 | 98,694 | Apr 2018 |
| 59 | e-pages.dk | 7.47/10 | - | 5 | Aug 2018 |
| 60 | clarionledger.com | 7.47/10 | 180,900 | 88,497 | Apr 2018 |
| 61 | commercialappeal.com | 7.47/10 | 242,600 | 94,608 | Apr 2018 |
| 62 | lokalkompass.de | 7.46/10 | 220 | 840 | Jul 2021 |
| 63 | donaukurier.de | 7.46/10 | 340 | 948 | Aug 2022 |
| 64 | news-press.com | 7.44/10 | 208,300 | 89,747 | May 2018 |
| 65 | stimme.de | 7.44/10 | 370 | 800 | Mar 2019 |
| 66 | qt-project.org | 7.43/10 | 104,200 | 134 | Jun 2019 |
| 67 | webcomponents.org | 7.40/10 | 450 | 299 | Jun 2018 |
| 68 | opendev.org | 7.39/10 | 2,300 | 1,954 | Dec 2020 |
| 69 | news-journalonline.com | 7.39/10 | 269,500 | 113,511 | Sep 2020 |
| 70 | citizen-times.com | 7.38/10 | 132,200 | 72,442 | May 2018 |
| 71 | baltimorecountymd.gov | 7.38/10 | 192,700 | 58,695 | Feb 2024 |
| 72 | statesmanjournal.com | 7.37/10 | 185,000 | 78,656 | Jun 2018 |
| 73 | lineageos.org | 7.37/10 | 8,600 | 2,265 | Dec 2018 |
| 74 | beaconjournal.com | 7.36/10 | 284,200 | 139,756 | Oct 2020 |
| 75 | azores.gov.pt | 7.36/10 | 1 | 2 | Aug 2018 |
| 76 | tizen.org | 7.35/10 | 720 | 46 | Apr 2025 |
| 77 | 8x8.vc | 7.33/10 | 1,800 | 22 | Apr 2022 |
| 78 | savannahnow.com | 7.33/10 | 79,200 | 61,432 | Mar 2021 |
| 79 | rec1.com | 7.32/10 | - | - | Aug 2018 |
| 80 | pnj.com | 7.32/10 | 160,900 | 67,559 | Jun 2018 |
| 81 | argusleader.com | 7.32/10 | 39,100 | 29,072 | Jun 2018 |
| 82 | greenvilleonline.com | 7.32/10 | 278,300 | 73,461 | May 2018 |
| 83 | tcpalm.com | 7.32/10 | 155,600 | 83,876 | May 2018 |
| 84 | seacoastonline.com | 7.31/10 | 95,600 | 65,073 | Dec 2020 |
| 85 | elpasotimes.com | 7.31/10 | 239,600 | 85,642 | Jun 2018 |
| 86 | news-leader.com | 7.30/10 | 62,700 | 43,057 | Jun 2018 |
| 87 | eugene-or.gov | 7.30/10 | 151,600 | 33,254 | Jan 2019 |
| 88 | theledger.com | 7.27/10 | 64,000 | 55,011 | Sep 2020 |
| 89 | coloradoan.com | 7.27/10 | 102,100 | 59,002 | Jul 2018 |
| 90 | registerguard.com | 7.26/10 | 106,400 | 41,337 | Sep 2020 |
| 91 | lansingstatejournal.com | 7.23/10 | 142,200 | 58,304 | Jun 2018 |
| 92 | vcstar.com | 7.20/10 | 77,200 | 40,179 | Jun 2018 |
| 93 | gainesville.com | 7.20/10 | 206,700 | 67,230 | Sep 2020 |
| 94 | schoolspring.com | 7.16/10 | 20,700 | 6,304 | Jan 2021 |
| 95 | lcms.org | 7.11/10 | 93,800 | 16,413 | Jun 2025 |
| 96 | capecodtimes.com | 7.10/10 | 128,800 | 76,533 | Mar 2021 |
| 97 | nassaucountyny.gov | 7.10/10 | 106,100 | 6,669 | Dec 2023 |
| 98 | flydenver.com | 7.07/10 | 825,300 | 55,061 | Aug 2023 |
| 99 | todomvc.com | 7.06/10 | 99 | 22 | Jun 2018 |
| 100 | goerie.com | 7.05/10 | 171,200 | 64,897 | Oct 2020 |
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).