MDN: Important content first

Moves compatibility and specs tables to the top. If possible, makes thinkgs more compact.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

/* ==UserStyle==
@name        MDN: Important content first
@description Moves compatibility and specs tables to the top. If possible, makes thinkgs more compact.
@namespace   myfonj
@version     2.0.0
@license     CC0 - Public Domain
==/UserStyle== */

@-moz-document domain("developer.mozilla.org") {
/*
Changelog
2.0.0 (2025-08-19) - New layout dropped. Deleted basically everything here. Sigh. New name.
1.6.2 (2025-04-29) - Move multiple compat section to the top as well
1.6.1 (2025-03-26) - RIP styling the content of the Compatibility table. New lazy-compat-table Web Component with closed shadow root is here :sad face:
1.6.0 (2024-10-16) - "Resources" like "See also" on the top
1.5.0 (2024-04-17) - sticky header attepmt
1.4.3 (2024-03-21) - "see also" also in right order in sidebar nav
1.4.2 (2024-03-21) - reordered sidebar nav to match new order
1.4.1 (2024-03-20) - pulling up even the "no compat/spec data found" warning boxes
*/

/*

https://userstyles.org/styles/177139/edit
https://greasyfork.org/en/scripts/408039/versions/new

MDN: Compat table: first and compact

*/
/*
 Pull Browser Compatibility table to the top
*/
.reference-layout__body {
 display: flex;
 flex-direction: column;
 & > .content-section[aria-labelledby="specifications"] {
  order: -100;
 }
 & > .content-section[aria-labelledby="browser_compatibility"] {
  order: -90;
 }
 & > .content-section[aria-labelledby="see_also"] {
  order: -90;
 }
 & h2:is(
  #specifications,
  #browser_compatibility
 ) {
  height: 0 !important;
  overflow: hidden;
  margin: 0;
 }
 h2#see_also {
  font-size: 1em
 }
}

}