UX
Removing stuff is never obvious yet often better - https://www.gkogan.co/removing-stuff - https://news.ycombinator.com/item?id=41353328
Speed
Over 50% of users abandon a website if it takes longer than 3 seconds to load. // 53% of visits are likely to be abandoned if pages take longer than 3 seconds to load. Source: https://www.thinkwithgoogle.com/intl/en-154/marketing-strategies/app-and-mobile/need-mobile-speed-how-mobile-latency-impacts-publisher-revenue/
From https://docs.astro.build/en/concepts/why-astro/#fast-by-default
- Every 100ms faster → 1% more conversions (Mobify, earning +$380,000/yr) - https://web.dev/why-speed-matters/
- 50% faster → 12% more sales (AutoAnything) - https://www.digitalcommerce360.com/2010/08/19/web-accelerator-revs-conversion-and-sales-autoanything/
- 20% faster → 10% more conversions (Furniture Village) - https://www.thinkwithgoogle.com/intl/en-gb/marketing-strategies/app-and-mobile/furniture-village-and-greenlight-slash-page-load-times-boosting-user-experience/
- 40% faster → 15% more sign-ups (Pinterest) - https://medium.com/pinterest-engineering/driving-user-growth-with-performance-improvements-cfc50dafadd7
- 850ms faster → 7% more conversions (COOK) - https://web.dev/why-speed-matters/
- Every 1 second slower → 10% fewer users (BBC) - https://www.creativebloq.com/features/how-the-bbc-builds-websites-that-scale
Passwords
https://www.nngroup.com/articles/password-creation/
https://baymard.com/blog/password-requirements-and-password-reset