Websites Powered by Polymer

2,151 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

Domains observed using Polymer in each month's HTTP Archive crawl, Apr 2018 to Oct 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

IndustryShareWebsites
Finance and insurance 0.05% 11
Government 0.03% 3
Education <0.01% 4
Sports and fitness <0.01% 1
Real estate <0.01% 3
Software and apps <0.01% 4
News and media <0.01% 1
Home and construction <0.01% 1
Travel and hospitality <0.01% 1
Retail <0.01% 2

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% · 34 of 7,677 sites
7+ <1% · 118 of 45,712 sites
6+ <1% · 150 of 110,136 sites
5+ <1% · 169 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

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
101 courierpostonline.com 7.04/10 57,300 41,328 Jun 2018
102 southbendtribune.com 7.04/10 95,300 45,960 Dec 2021
103 starnewsonline.com 7.03/10 88,900 60,093 Sep 2020
104 sj-r.com 7.03/10 93,800 57,924 Mar 2021
105 psecu.com 7.02/10 42,500 9,878 Apr 2024
106 coreboot.org 7.02/10 37 15 Sep 2018
107 augustachronicle.com 7.02/10 76,800 49,876 Mar 2021
108 meteo.be 7.02/10 4,600 1,867 Jan 2020
109 patriotledger.com 7.02/10 110,100 61,910 Mar 2021
110 bbva.mx 7.02/10 34,800 24,692 Feb 2020
111 cantonrep.com 7.02/10 136,900 70,611 Oct 2020
112 greenbaypressgazette.com 7.02/10 131,800 46,614 Jul 2018
113 fayobserver.com 7.02/10 105,000 61,996 Aug 2020
114 ydr.com 7.02/10 62,900 51,045 May 2018
115 lcsun-news.com 7.02/10 49,700 17,483 Jul 2018
116 recordonline.com 7.02/10 54,500 32,748 Jun 2020
117 pjstar.com 7.02/10 226,500 59,467 Mar 2021
118 mendoza.gov.ar 7.02/10 2,300 4,067 Mar 2024
119 kitsapsun.com 6.94/10 71,200 26,597 Jul 2018
120 courierpress.com 6.94/10 75,400 37,742 Jun 2018
121 seat.de 6.93/10 27 118 Dec 2025
122 pourbienvieillir.fr 6.90/10 16 24 May 2024
123 postcrescent.com 6.84/10 51,600 30,890 Jul 2018
124 ing.com.au 6.81/10 10,700 3,232 Jun 2018
125 rockbox.org 6.78/10 8,300 71 May 2024
126 copyright.com.au 6.78/10 340 405 Feb 2024
127 zaanstad.nl 6.78/10 23 49 Jan 2023
128 everymatrix.com 6.77/10 300 377 Feb 2025
129 flightcentre.com.au 6.77/10 18,400 19,205 Feb 2020
130 finlit.fi 6.76/10 9 17 Mar 2023
131 tamedia.ch 6.65/10 29 35 Jul 2026
132 chieftain.com 6.64/10 35,000 20,132 Oct 2020
133 pressconnects.com 6.63/10 68,200 27,800 Jul 2018
134 twrp.me 6.55/10 2,700 522 May 2019
135 pmf.sc.gov.br 6.48/10 520 139 Jan 2026
136 zurich.es 6.43/10 500 1,119 Nov 2023
137 heraldtimesonline.com 6.42/10 47,200 32,915 Aug 2022
138 e-pages.pub 6.39/10 - - Jul 2019
139 screenrec.com 6.36/10 112,700 15,355 Mar 2024
140 csiresources.org 6.36/10 55,900 1,081 Nov 2022
141 crowdaboutnow.nl 6.32/10 4 23 Aug 2018
142 eraluvat.fi 6.28/10 12 36 Dec 2020
143 openocd.org 6.26/10 350 116 Jul 2022
144 k12.wv.us 6.22/10 - - Oct 2022
145 acsa.org 6.16/10 1,900 493 Nov 2021
146 ceafa.es 6.13/10 3 75 Apr 2019
147 octadesk.com 6.10/10 - 18 Apr 2022
148 pghtech.org 6.10/10 1,400 957 Jul 2020
149 khnp.co.kr 6.05/10 350 268 Aug 2022
150 openbmc.org 6.01/10 42 3 Nov 2022
151 olsztyn.eu 5.94/10 6 19 Jan 2021
152 helsinginseurakunnat.fi 5.93/10 70 87 Aug 2018
153 streamingvideoprovider.com 5.92/10 3,000 2,160 Aug 2022
154 calyxos.org 5.84/10 550 708 Nov 2022
155 friscoisd.org 5.77/10 74,100 17,560 Mar 2025
156 sagales.com 5.49/10 150 202 Apr 2024
157 echo24.de 5.41/10 110 180 Nov 2022
158 historiskatlas.dk 5.40/10 16 66 Jan 2019
159 flightcentre.co.uk 5.33/10 3,300 4,320 May 2023
160 bbva.com.co 5.32/10 5,900 4,805 Sep 2020
161 backroads.com 5.32/10 38,300 15,266 Aug 2022
162 sanibel-captiva.org 5.31/10 59,700 4,150 Jun 2018
163 woowahan.com 5.29/10 25 23 Nov 2022
164 crediblemind.com 5.29/10 76 44 Jul 2024
165 futurzwei.org 5.29/10 - 1 Apr 2019
166 kubernetespodcast.com 5.28/10 10 36 Jan 2019
167 vinegret.cz 5.28/10 5 19 Jun 2018
168 troymi.gov 5.28/10 22,700 3,351 Dec 2025
169 oss-fuzz.com 5.27/10 - 1 Jan 2025
170 nordiskemedier.dk 4.97/10 - - Sep 2022
171 speechpad.com 4.95/10 - - Jun 2018
172 starcompliance.com 4.89/10 - - Jul 2024
173 cfisd.net 4.75/10 - - Jul 2021
174 sweetsearch.com 4.74/10 - - Jun 2018
175 additionfi.com 4.69/10 12,500 6,548 Jul 2023
176 emsbk.com 4.69/10 - - Jul 2025
177 cefcu.com 4.69/10 - - Aug 2022
178 cerberusapp.com 4.69/10 - - Jun 2018
179 plusweb.org 4.69/10 - - Apr 2024
180 hamburger-wochenblatt.de 4.69/10 - - Sep 2021
181 badsk.de 4.69/10 - 2 Aug 2022
182 soft-press.com 4.69/10 - - Jan 2019
183 um.swidnica.pl 4.58/10 - - Nov 2025
184 tippmixpro.hu 4.56/10 - - Nov 2023
185 cpb.com.br 4.54/10 - - Jun 2018
186 temppeliaukionkirkko.fi 4.53/10 - - Jan 2019
187 humbleisd.net 4.52/10 - - Jan 2024
188 sankak.jp 4.49/10 - - Aug 2018
189 gdexpress.com 4.47/10 - - Jan 2019
190 betgoodwin.co.uk 4.35/10 170 153 Nov 2025
191 directreader.it 4.32/10 - - Feb 2025
192 mopita.com 4.28/10 - - Aug 2018
193 oneazcu.com 4.26/10 - - Aug 2022
194 ascend.org 4.25/10 85,300 7,058 Aug 2022
195 cuofco.org 4.23/10 - - Aug 2022
196 flightcentre.ca 4.22/10 - - Feb 2020
197 communityfirstfl.org 4.20/10 - - Jan 2025
198 istitutotumori.na.it 4.15/10 - - Sep 2022
199 glovis.net 4.14/10 - - Dec 2023
200 kinologija.lt 4.12/10 - - Jan 2019

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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