guide to different browser engines

browser-engines

Every browser is backed by a rendering engine to draw the HTML/CSS web page.

 - Firefox → Gecko
 - Safari  → WebKit
 - Chrome  → Blink (a fork of Webkit).
 - Opera   → Blink (no longer uses Presto since Feb 2013)
 - IE      → Trident (discontinued)
 - Edge    → EdgeHTML (clean-up fork of Trident) (Edge switched to Blink in 2019)
 
 css prefixes:
- IE
  - Engine: Trident
  - CSS-prefix: -ms
- Edge
  - Engine: EdgeHTML → Blink3
  - CSS-prefix: -ms
- Firefox
  - Engine: Gecko
  - CSS-prefix: -moz
-Opera
  -Engine: Presto → Blink1
  -CSS-prefix: -o (Presto) and -webkit (Blink)
-Safari
  -Engine: WebKit
  -CSS-prefix: -webkit
-Chrome
  -Engine: WebKit → Blink2
  -CSS-prefix: -webkit
 
reference:
  - great thread about brower engines: https://stackoverflow.com/a/3468236
  - comparison of browser engines: https://en.wikipedia.org/wiki/Comparison_of_browser_engines
  - history of user agents evolution: https://webaim.org/blog/user-agent-string-history/