Performance

English

• Linkhub for all things performance
• Book of speed
• Faster Websites: Crash Course on Web Performance
• Web Performance 101: An opinionated guide to the 22 links every developer should read
• 14 Rules for Faster-Loading Web Sites
• CSSTriggers - Reference about which effect on performance the changing of various CSS properties has.

German

• Ladezeitenoptimierung - German