How to Format and Read XML (Beginner’s Guide)
How to format and read XML: the structure of elements and attributes, why pretty-printing matters, and how it helps with sitemaps, feeds and config files.
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Playbooks, teardowns, and honest takes on ranking in the AI era.
How to Create a Robots.txt File (with Examples)
How to create a robots.txt file: the syntax, what to allow and disallow, adding your sitemap, and the mistakes that block your whole site.
How to Convert CSV to JSON (and When You Need To)
How to convert CSV to JSON: how each format works, why developers and APIs prefer JSON, the header and comma pitfalls, and how to convert safely in-browser.
Heading Tags (H1-H6): How to Structure Content for SEO
Heading tags explained: how H1 to H6 work, why one H1 per page and a logical hierarchy matter for SEO and accessibility, and how to check your structure.
What Are Meta Tags? A Complete Guide for SEO
What are meta tags? A complete guide to the meta tags that matter for SEO, the ones that do not, and how to write and audit them correctly.
WCAG Color Contrast: A Guide to Accessible Text
WCAG color contrast explained: the AA and AAA ratios, why contrast matters for accessibility and SEO, and how to check your text and background colors.
URL Encoding Explained: What %20 and Percent-Encoding Mean
URL encoding explained: what percent-encoding is, why %20 means a space, which characters must be encoded, and when to encode a whole URL vs a component.
Twitter Cards (X Cards): How to Set Them Up
Twitter Cards explained: the card types, the meta tags you need, image sizes, how they fall back to Open Graph, and how to test them on X.
How to Write Headlines That Get Clicks
How to write headlines that get clicks: proven formulas, the role of numbers and power words, ideal length, and how to test your headlines.
How to Generate Keyword Combinations for SEO and PPC
How to generate keyword combinations for SEO and PPC: the seed-plus-modifier method, long-tail permutations, and how to build big keyword lists fast.