Tools
- Blank HTML5 Page (Generates valid HTML5 markup)
- Blind Text Generator (Dummy text for design)
- Lettercount.com (Check line lengths)
- W3C HTML Validator
- W3C CSS Validator
- caniuse.com (Browser support for CSS3 properties)
- WebAIM Color Contrast Checker
Image Preparation
- Squoosh
- Compress or Die (jpg)
- Compress or Die (png)
- Cloudinary.com Image Analysis Tool
- Tiny PNG (Compress PNG and JPG images)