History of the browser user-agent string (2008)
10 days ago
- #web browsers
- #history
- #user agent
- NCSA Mosaic was the first browser to display images with text, leading to early web excitement.
- Netscape, initially named Mozilla (Mosaic Killer), introduced frames, prompting user agent sniffing for compatibility.
- Microsoft created Internet Explorer to compete with Netscape, leading to the first browser war.
- Netscape's decline led to the birth of Mozilla and the Gecko rendering engine, which powered Firefox.
- Browser user agent strings became complex as browsers impersonated each other for compatibility.
- Opera introduced user-selectable user agent strings to mimic other browsers.
- Apple's Safari used KHTML, leading to the WebKit fork and further user agent complexity.
- Google Chrome adopted WebKit, adding to the confusion by mimicking Safari's user agent.
- User agent strings became a mess, with browsers pretending to be others, making them nearly useless.
- The article humorously critiques the chaotic state of browser user agent strings and suggests simplification.