Antiquated HTML Snippets and Artefacts

The article catalogs legacy HTML fragments that persist in old sites, such as the X-UA-Compatible meta tag used to force specific Internet Explorer modes, the ICBM meta tag that encoded geographic coordinates for GeoURL, and Microsoft’s Smart Tags meta preventing automatic hyperlink injection. It also details conditional comments—IE-only syntax and Netscape-specific JavaScript tricks—originally employed to target browsers during the early “browser wars.”