1. Frontend Checklist
The perfect Front-End Checklist for modern websites and meticulous developers. It is an exhaustive list of all elements you need to have / to test before launching your website / HTML page to production.
2. Frontend Design Checklist
The Design Checklist for Creative Web Designers and Patient Front-End Developers. It is an exhaustive list of elements which can help developers to analyse and understand web designs and ensure the quality of their Front-End development.
3. Frontend Performance Checklist
The only Front-End Performance Checklist that runs faster than the others.
4. Checklist Design
A collection of the best design practices.
5. Accessibility checklist by The A11y Project
This checklist uses The Web Content Accessibility Guidelines (WCAG) as a reference point.
6. OWASP Web Application Security Testing Checklist
Also available in PDF or Docx for printing as well as a Trello Board to copy yours.
7. API Security Checklist
Checklist of the most important security countermeasures when designing, testing, and releasing your API.
8. Web Developer Checklist by Toptal
Also available as Chrome and Firefox extensions.