jQuery
jQuery Migrate
React Dom
jQuery ImagesLoaded
Lodash
Js Cookie
Waypoints
jQuery UI
Modernizr
Underscore.Js
Sales outreach
All 40,145 of these sites already run Fastly Polyfill, with the professional training and coaching segment leading at 1,816 sites. Pitch the products and services that fit that exact stack.
Websites using Fastly Polyfill
Software Development JavaScript Libraries Visit website
Fastly Polyfill is a service that returns only the necessary polyfills for a web browser based on its feature requests. It provides a customizable polyfill bundle for compatibility across different browser environments.
Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month
- Live websites detected
- 40,145
- Countries with usage
- 120
- Top market: United States
- 🇺🇸 71.7%
Fastly Polyfill global heatmap
darker = more sitesFastly Polyfill usage by country
by sites detected-
01 🇺🇸 United States 28,104 71.7%
-
02 🇬🇧 United Kingdom 1,640 4.2%
-
03 🇦🇺 Australia 1,484 3.8%
-
04 🇨🇦 Canada 1,083 2.8%
-
05 🇫🇷 France 753 1.9%
-
06 🇳🇴 Norway 752 1.9%
-
07 🇩🇪 Germany 586 1.5%
-
08 🇸🇪 Sweden 525 1.3%
-
09 🇳🇱 Netherlands 435 1.1%
-
10 🇮🇹 Italy 422 1.1%
And 110 more countries in the full dataset.
Need every Fastly Polyfill site in one market? Unlock Fastly Polyfill once and rebuild filtered reports as often as you like for a month: by country, TLD, or stack combination, each with up to 20 data points per site.
Start from $39/moFastly Polyfill usage by country group
by sites detected-
01 English-Speaking Countries 26 countries 32,772 83.6%
-
02 North America 3 countries 29,191 74.5%
-
03 Western Europe 22 countries 6,458 16.5%
-
04 European Union (EU) 27 countries 4,376 11.2%
-
05 Asia-Pacific (APAC) 19 countries 2,152 5.5%
-
06 Nordics 6 countries 1,794 4.6%
-
07 Oceania 3 countries 1,609 4.1%
-
08 French-Speaking Countries 7 countries 1,040 2.7%
-
09 DACH 4 countries 846 2.2%
-
10 Spanish-Speaking Countries 18 countries 716 1.8%
Country groups overlap: a country can belong to several at once (Germany counts toward Europe, Western Europe, the EU and DACH). Percentages are each group's share of the 39,185 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.
Top websites using Fastly Polyfill
by popularity| # | Website | Popularity | StackSpend | Country | TLD |
|---|---|---|---|---|---|
| 01 |
 3keys.jp
|
1,115 | $311K+ | 🇯🇵 Japan | jp |
| 02 |
 1mg.com
|
1,410 | $2.5M+ | 🇮🇳 India | com |
| 03 |
 splashtop.com
|
1,991 | $1.1M+ | 🇺🇸 United States | com |
| 04 |
 iubenda.com
|
2,470 | $1.69M+ | 🇮🇹 Italy | com |
| 05 |
 cvent.com
|
3,805 | $1.19M+ | 🇬🇧 United Kingdom | com |
| 06 |
 hotmart.com
|
4,497 | $506K+ | 🇧🇷 Brazil | com |
| 07 |
 onefootball.com
|
7,089 | $988K+ | 🇬🇧 United Kingdom | com |
| 08 |
 beehiiv.com
|
7,698 | $584K+ | 🇺🇸 United States | com |
| 09 |
 mailjet.com
|
10,087 | $199K+ | 🇫🇷 France | com |
| 10 |
 infinitepay.io
|
10,528 | $320K+ | 🇧🇷 Brazil | io |
| 11 |
 1und1.de
|
11,708 | $2.25M+ | 🇩🇪 Germany | de |
| 12 |
 warp.dev
|
12,479 | $575K+ | 🇺🇸 United States | dev |
| 13 |
 splashtop.eu
|
14,462 | $89.6K+ | 🇺🇸 United States | eu |
| 14 | julianmather.com | 15,252 | $148K+ | 🇦🇺 Australia | com |
| 15 |
 binance.us
|
15,712 | $1.41M+ | 🇺🇸 United States | us |
| 16 |
 yardbarker.com
|
18,829 | $236K+ | 🇺🇸 United States | com |
| 17 |
 kajabi.com
|
19,288 | $334K+ | 🇺🇸 United States | com |
| 18 |
 scoresandodds.com
|
19,713 | $173K+ | 🇺🇸 United States | com |
| 19 |
 alteryx.com
|
20,188 | $138K+ | 🇺🇸 United States | com |
| 20 |
 greatschools.org
|
20,321 | $102K+ | 🇺🇸 United States | org |
This is 20 of 40,145 websites. Download up to 1M sites per list as CSV, enriched with firmographics.
Companies using Fastly Polyfill
sample, enriched| Company | Website | Employees | Industry | Country | Founded |
|---|---|---|---|---|---|
| Alteryx |
alteryx.com
|
1001-5000 | information technology and services | 🇺🇸 United States | 2010 |
| OPTIMUS COACH ACADEMY |
 optimuscoachacademy.com
|
11-50 | Professional Training and Coaching | 🇬🇧 United Kingdom | 2019 |
| IT Service |
 itservice.com.co
|
201-500 | Education | 🇨🇴 Colombia | 2006 |
| Good Dog |
 gooddog.com
|
51-200 | internet | 🇺🇸 United States | - |
| 1&1 Internet Mexico |
 1and1.mx
|
5001-10000 | internet | 🇲🇽 Mexico | 2013 |
| Colegio De Economistas De Lima - Perú |
 cel.org.pe
|
10001+ | Education | 🇵🇪 Peru | 1966 |
| Byram Healthcare |
 byramhealthcare.com
|
501-1000 | Hospitals and Health Care | 🇺🇸 United States | - |
| Peter Lange Brands |
 peterlangebrands.com
|
- | Professional Training and Coaching | 🇺🇸 United States | 2017 |
| Michael Wade Trade Coaching |
 mwtradecoach.com
|
1-10 | Advertising Services | 🇺🇸 United States | 2022 |
| Verbal Beginnings |
 verbalbeginnings.com
|
501-1000 | Individual and Family Services | 🇺🇸 United States | 2011 |
| Kloepfel Group |
 kloepfel-group.com
|
201-500 | Business Consulting and Services | 🇦🇪 United Arab Emirates | 2007 |
| Instituto INAO |
 institutodenegociosasiaticosonline.com
|
5001-10000 | Education | 🇺🇳 - | - |
| Tata 1mg |
1mg.com
|
1001-5000 | internet | 🇮🇳 India | 2015 |
| Little Bird Farm And Naturopathic Clinic |
 drkristinschnurr.com
|
- | - | 🇨🇦 Canada | - |
| CAI BayCen |
 caibaycen.com
|
10001+ | Real Estate | 🇺🇸 United States | - |
| Cortex Business Solutions |
 cortex.net
|
51-200 | Information Technology & Services | 🇨🇦 Canada | 1999 |
| SonicScoop |
 sonicscoop.com
|
11-50 | Media Production | 🇺🇸 United States | 2009 |
| Modern Monk |
 modernmonk.today
|
1-10 | Professional Training and Coaching | 🇦🇺 Australia | 2018 |
| Players Box | playersbox.org | 1-10 | Higher Education | 🇺🇸 United States | 2022 |
| Prizepicks |
 prizepicks.com
|
201-500 | sports | 🇺🇸 United States | 2015 |
| Butter Cream Petals |
 buttercreampetals.com
|
- | Retail Groceries | 🇬🇧 United Kingdom | - |
| Parisi Speed School |
 parisischool.com
|
501-1000 | Wellness and Fitness Services | 🇺🇸 United States | 1992 |
| Sanitex Lietuva |
 sanitex.eu
|
1001-5000 | Wholesale | 🇱🇹 Lithuania | 1992 |
| Artist's Way And Other Creative Life… |
 creativelife.com
|
11-50 | - | 🇺🇸 United States | - |
| Puzzle |
 puzzle.io
|
51-200 | computer software | 🇺🇸 United States | 2019 |
| CLASA ANESTESIA |
 anestesiaclasa.org
|
10001+ | Non-profit Organizations | 🇺🇳 - | 1962 |
| Summa Health |
 summahealth.org
|
5001-10000 | Hospitals and Health Care | 🇺🇸 United States | 1989 |
| Lovelytics |
 lovelytics.com
|
501-1000 | Business Consulting and Services | 🇺🇸 United States | - |
| Spire Health Pathways |
 spirehp.com
|
51-200 | Health and Human Services | 🇺🇸 United States | - |
| Innova Solutions |
 innovasolutions.com
|
10001+ | information technology and services | 🇺🇸 United States | 2006 |
| CMO Growth Guide |
 cmogrowthguide.com
|
1-10 | Education | 🇺🇸 United States | 2025 |
| School Of Creativity And Innovation |
 theschoolofcreativityandinnovation.com
|
201-500 | Education | 🇺🇳 - | 2000 |
| PRECISAGRO |
 precisagro.com.co
|
1001-5000 | Farming | 🇨🇴 Colombia | - |
| LĒVO |
 levooil.com
|
11-50 | Manufacturing | 🇺🇸 United States | 2017 |
| Dr. Andrew Neville |
 drandrewneville.com
|
- | - | 🇺🇸 United States | - |
| The Female Surfer |
 thefemalesurfer.com
|
201-500 | - | 🇦🇺 Australia | - |
| Bell Potter Securities |
 bellpotter.com.au
|
501-1000 | Financial Services | 🇦🇺 Australia | - |
| NaturDive | naturdive.com | 1-10 | Civic and Social Organizations | 🇫🇷 France | 2017 |
| Luce |
 luce.sg
|
1001-5000 | Consumer Services | 🇸🇬 Singapore | 2017 |
| Siva Hair Lines, |
 sivamohan.com
|
51-200 | Consumer Services | 🇮🇳 India | - |
A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.
Fastly Polyfill usage by industry
by TLD segment-
01 Professional Training and Coaching 1,816 29.8%
-
02 Business Consulting and Services 843 13.8%
-
03 Wellness and Fitness Services 649 10.6%
-
04 Education 561 9.2%
-
05 E-Learning Providers 336 5.5%
-
06 Financial Services 193 3.2%
-
07 Mental Health Care 190 3.1%
-
08 professional training & coaching 189 3.1%
-
09 Advertising Services 171 2.8%
-
10 Marketing Services 134 2.2%
Fastly Polyfill industry distribution chart
share by domain segmentFastly Polyfill users by company revenue
4,906 companiesTechnologies related to Fastly Polyfill
JavaScript LibrariesPut it to work
What teams do with the Fastly Polyfill list
Competitor analysis
Selling jQuery, jQuery Migrate, or another JavaScript Libraries product? These 40.15K Fastly Polyfill users are your displacement audience, filterable by country and company size.
Market research
Top markets for Fastly Polyfill: United States (71.7%), United Kingdom (4.2%), Australia (3.8%). Size the JavaScript Libraries market by geography before you build or invest.
Free for non-profits, academia & data journalists - non-commercial and public-interest use, on request.
Request accessTurn 40,145 Fastly Polyfill websites into your next campaign, audit, or dataset
Unlock Fastly Polyfill and download unlimited filtered reports for a month: up to 1M sites per list, segmented by country and TLD.
No contracts, cancel anytime · Instant access after checkout · Data point availability varies by website and report