HTML
Colour, Contrast and Motion
Contrast ratios that meet the guidelines, never relying on colour alone, and honouring the reduced motion preference. Mostly CSS, entirely part of the...
HTML
A complete HTML path: document structure, text, links, media, tables, forms, semantic markup, HTML5, metadata, accessibility, SEO, tooling, projects and assessment.
113 notes in 20 topics
Topics in HTML
HTML Basics 7
Text and Formatting 5
Links and Navigation 5
Images and Media 7
Lists 3
Tables 5
Forms 9
Semantic HTML 5
HTML5 Features 7
Head and Metadata 5
HTML with CSS 5
HTML with JavaScript 5
Accessibility 6
HTML SEO 10
DevTools and Debugging 4
Editor Productivity 3
HTML Best Practices 4
HTML Projects 6
Advanced Projects 5
Practice and Exams 7
Notes
HTML
Testing a Page for Accessibility
Automated tools find about a third of problems. Here is what they catch, what they miss, and a manual routine that takes fifteen minutes.
HTML
How Google Works: Crawling, Indexing and Ranking
Four stages between publishing a page and someone finding it. Knowing which stage a problem sits in is what turns SEO from guesswork into debugging.
HTML
SEO Friendly HTML Structure
Search engines read markup, not screenshots. The structural decisions that make a page understandable to a crawler are the same ones that make it unde...
HTML
Titles and Descriptions That Earn Clicks
Ranking is half the job. The title and description decide whether anyone clicks, and they are the two pieces of markup a searcher actually reads.
HTML
Headings and Content Structure for Search
Headings are how a crawler works out what a page covers and how it is organised. They are also how you become eligible for a featured snippet.
HTML
Internal Linking and Anchor Text
Links are how pages are discovered and how importance flows through a site. The text inside them is how a crawler learns what the destination is about...
HTML
robots.txt and XML Sitemaps
Two files at the root of your site that decide what gets crawled and what gets found. Small, easy to write, and easy to break in ways that remove a wh...
HTML
Canonical URLs and Duplicate Content
The same page reachable at seven URLs is seven competing pages to a search engine. One line of markup consolidates them.
HTML
Structured Data and JSON-LD
Machine readable facts about your page, using a shared vocabulary. It does not raise rankings, and it can change how your result looks entirely.
HTML
Core Web Vitals and Mobile Friendliness
Three measurements taken from real visits, and one indexing rule that decides which version of your page Google actually reads.