Trusted by 2 Mn+ QAs & Devs to accelerate their release cycles
Browsers can be instructed to prefetch resources without having to execute them using 'link rel= preload >, allowing perfectly alright control over when and how resources are fetched.
Last updated on : 2023-03-20
Browser Versions
IE
Edge
Firefox
Chrome
Safari
Opera
Fully Supported
Partially
No Support
Resource Hints: preload on IE is not supported on any IE versions.
Resource Hints: preload on Edge is fully supported on 79-111, partially supported on 17-18, and not supported on 12-16 Edge versions.
Resource Hints: preload on Firefox is fully supported on 85-113, partially supported on 56-56, and not supported on 2-84 Firefox versions.
Resource Hints: preload on Chrome is fully supported on 50-114, and not supported on 4-49 Chrome versions.
Resource Hints: preload on Safari is fully supported on 11.1-16.4, and not supported on 3.2-11 Safari versions.
Resource Hints: preload on Opera is fully supported on 37-95, and not supported on 9.5-36 Opera versions.
Resource Hints: preload on Safari on iOS is fully supported on 11.3-16.4, and not supported on 3.2-11 Safari on iOS versions.
Resource Hints: preload on Android Browser is fully supported on 97-111, and not supported on 2.1-4 Android Browser versions.
Resource Hints: preload on Opera Mobile is fully supported on 64-73, and not supported on 10-12 Opera Mobile versions.
Resource Hints: preload on Chrome for Android is fully supported on all Chrome for Android versions.
Resource Hints: preload on Firefox for Android is fully supported on all Firefox for Android versions.
Resource Hints: preload on Samsung Internet is fully supported on 5-20, and not supported on 4-4 Samsung Internet versions.
Data sourced from
Overall Browser Compatibility Score
Note:Resource Hints: preload shows a browser compatibility score of 88. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.
Test on 3000+ browsers for Resource Hints: preload & more
Test your website for Resource Hints: preload and other web technologies. Get 100 FREE automation test minutes!
Test NowKaneAI - Testing Assistant
World’s first AI-Powered E2E testing agent.
Did you find this page helpful?