This version completely overhauled how bookmarks and history were stored using the SQLite database engine, significantly boosting performance and reliability.
Based on the Gecko 1.9 engine, it included over 15,000 code changes to improve speed, memory management, and standards compliance. download mozilla firefox 3
It was an early champion of anti-malware and anti-phishing protection, warning users before they landed on dangerous sites. System Requirements for Legacy Use This version completely overhauled how bookmarks and history
If you are running older hardware or need a vintage browser for testing purposes, these were the original requirements: Firefox 3.0 System Requirements it included over 15