Websites using Polyfill

This Polyfill list is updated daily.

Last updated:

Polyfill is a technology that provides modern functionality to older, less advanced web browsers or environments, ensuring consistent and efficient user experience. Essentially, it is a fallback mechanism designed to fill in the gaps in browser compatibility by mimicking the API features of recent web standards. By using JavaScript code libraries or plugins, Polyfill identifies the browser's incapabilities and adapts accordingly, essentially "polyfilling" missing features. This technique enables developers to leverage the latest technologies without alienating users of older browsers, maintaining support, and ensuring a seamless integration of innovative web features.

Download our free extension to get all the insights.

✨ Polyfill history

Polyfill, a concept originating in the 1960s, refers to code that provides modern functionalities to older browsers without altering their native features. Its widespread use began with the launch of HTML5 in the 2010s, enabling developers to bridge the compatibility gap with continually evolving web standards.

Websites using Polyfill

Websites

Technologies

waku-opkensyu.com

duluthsuperiorcriminaldefense.com

blacklionresearch.com

bahamalex.com

kellykacupuncture.com

ryandenmark.com

chloetorri.com

imaginecomvisual.com

conradfreeman.com

evictionshield.com

Polyfill Variations

Polyfill 0.1

Polyfill 0.3

Polyfill 0.4

Polyfill 0.6

Polyfill 0.7

Polyfill 0.8

Polyfill 0.9

Polyfill 1

Polyfill 1.1

Polyfill 1.11

Polyfill 1.12

Polyfill 1.13

Polyfill 1.14

Polyfill 1.15

Polyfill 1.16

Polyfill 1.17

Polyfill 1.18

Polyfill 1.19

Polyfill 1.2

Polyfill 1.21

Polyfill 1.23

Polyfill 1.24

Polyfill 1.25

Polyfill 1.26

Polyfill 1.27

Polyfill 1.28

Polyfill 1.29

Polyfill 1.3

Polyfill 1.31

Polyfill 1.32

Polyfill 1.4

Polyfill 1.5

Polyfill 1.6

Polyfill 1.7

Polyfill 1.8

Polyfill 1.9

Polyfill 2

Polyfill 2.08

Polyfill 2.1

Polyfill 2.11

Polyfill 2.12

Polyfill 2.13

Polyfill 2.16

Polyfill 2.17

Polyfill 2.18

Polyfill 2.2

Polyfill 2.26

Polyfill 2.29

Polyfill 2.3

Polyfill 2.4

Polyfill 2.5

Polyfill 2.6

Polyfill 2.7

Polyfill 2.8

Polyfill 2.9

Polyfill 3

Polyfill 3.1

Polyfill 3.11

Polyfill 3.12

Polyfill 3.13

Polyfill 3.16

Polyfill 3.17

Polyfill 3.18

Polyfill 3.19

Polyfill 3.2

Polyfill 3.22

Polyfill 3.23

Polyfill 3.24

Polyfill 3.25

Polyfill 3.27

Polyfill 3.3

Polyfill 3.4

Polyfill 3.42

Polyfill 3.5

Polyfill 3.52

Polyfill 3.53

Polyfill 3.56

Polyfill 3.6

Polyfill 3.7

Polyfill 3.8

Polyfill 3.89

Polyfill 3.9

Polyfill 3.96

Polyfill 4

Polyfill 4.1

Polyfill 4.17

Polyfill 4.2

Polyfill 4.3

Polyfill 4.4

Polyfill 4.5

Polyfill 4.6

Polyfill 4.65

Polyfill 4.7

Polyfill 4.71

Polyfill 4.73

Polyfill 4.8

Polyfill 4.9

Polyfill 5

Polyfill 5.1

Polyfill 5.11

Polyfill 5.12

Polyfill 5.2

Polyfill 5.3

Polyfill 5.4

Polyfill 5.5

Polyfill 5.6

Polyfill 5.7

Polyfill 5.8

Polyfill 5.9

Polyfill 6

Polyfill 6.1

Polyfill 6.2

Polyfill 6.3

Polyfill 6.4

Polyfill 6.5

Polyfill 6.51

Polyfill 6.6

Polyfill 6.7

Polyfill 6.8

Polyfill 7

Polyfill 7.1

Polyfill 7.12

Polyfill 7.13

Polyfill 7.15

Polyfill 7.16

Polyfill 7.17

Polyfill 7.18

Polyfill 7.2

Polyfill 7.3

Polyfill 7.4

Polyfill 7.5

Polyfill 7.7

Polyfill 8

Polyfill 8.1

Polyfill 8.12

Polyfill 8.13

Polyfill 8.14

Polyfill 8.2

Polyfill 8.3

Polyfill 8.4

Polyfill 8.6

Polyfill 8.7

Polyfill 8.8

Polyfill 9

Polyfill 9.1

Polyfill 9.13

Polyfill 9.14

Polyfill 9.16

Polyfill 9.2

Polyfill 9.3

Polyfill 9.9

Polyfill 10

Polyfill 10.1

Polyfill 10.12

Polyfill 10.2

Polyfill 10.3

Polyfill 11.41

Polyfill 13.1

Polyfill 13.2

Polyfill 13.32

Polyfill 13.4

Polyfill 14

Polyfill 14.1

Polyfill 17.1

Polyfill 18.27

Polyfill 19.1

Polyfill 19.2

Polyfill 19.4

Polyfill 19.5

Polyfill 19.6

Polyfill 19.7

Polyfill 19.9

Polyfill 20

Polyfill 20.1

Polyfill 20.2

Polyfill 20.3

Polyfill 20.4

Polyfill 20.5

Polyfill 20.6

Polyfill 22.1

Polyfill 100.3

Polyfill 1046.98

Polyfill 2021.05

Polyfill 2021.12

Polyfill 2022.01

Polyfill 2022.02

Download our free extension to get all the insights.

✨ Facts about Polyfill

1. Definition: Polyfill is a term used in web development that refers to a piece of code that provides modern functionality on older web browsers that do not support it natively. These scripts act as a fallback, allowing developers to create a consistent user experience across different browser versions and platforms.

2. Origin of the term: The term "polyfill" was coined by web developer Remy Sharp in 2009, inspired by the concept of "filling in the gaps" between browser capabilities, much like a polyfilla or spackle is used to fill cracks and holes in walls.

3. JavaScript and HTML5: Polyfills are commonly used to enable support for newer JavaScript APIs (such as promises, fetch, and classList) and HTML5 features (like canvas, video, and audio elements) in older web browsers like Internet Explorer.

4. Performance impact: Polyfills may have performance implications, as they typically increase the size of the web page and add to the processing overhead of the browser. For this reason, it is essential to use polyfills sparingly and only load them when required for a specific browser.

5. Feature detection: To ensure the minimal impact on load times and browser performance, developers should use feature detection techniques to determine if a polyfill is required for a specific browser or not. This approach allows for loading polyfills only for the browsers that need them, rather than burdening all users with the extra code.

Frequently Asked questions

What is a Polyfill?

When should I use a Polyfill in my project?

Can Polyfills cause performance issues in a web application?

How are Polyfills different from Shims?

Are there any popular libraries that provide Polyfills?