Tutorials & Guides
Practical, step-by-step guides on image optimisation, favicons, QR codes, colour accessibility and CSS.
- Colour & accessibility WCAG colour contrast explained: what 4.5:1 actually means Contrast ratios decide whether people with low vision, or anyone in bright sunlight, can read your text. Learn the numbers, how they are calculated a…
- Privacy & metadata How to check and remove GPS location data from photos before sharing Photos can carry the exact coordinates of where they were taken. Learn how to see what a file reveals and how to share a clean copy.
- Favicons & social images Which favicon files does a website actually need? Generators often hand you twenty files. A small set covers browsers, iPhones, Android home screens and installed web apps. Here is what each file is…
- Image optimisation How to compress an image to under 100 KB without it looking bad Upload forms, email limits and slow pages all want smaller images. Here is the order of steps that gets most photos under 100 KB with the least visib…