On-page SEO, metadata and getting found on Google.
The same page is almost always reachable through more than one URL — with or without www, with a tracking parameter, with a trailing slash. A canonical tag is how you tell Google which one actually counts.
Meta tags are invisible to visitors but shape how your page looks in search results and social shares — here's what actually matters.
A robots.txt file is a set of instructions, not a lock — here's what it actually does, what it can't do, and how to write one that doesn't accidentally block your whole site.
A sitemap doesn't guarantee rankings, but it does help search engines find your pages faster — here's what actually belongs in one, and how to build it without writing XML by hand.
Schema markup is what powers rich results — star ratings, FAQ dropdowns, recipe cards — in Google search. Here's what it actually does and how to generate it without writing JSON by hand.
Meta tags don't affect rankings directly, but they decide whether people click your result at all. Here's how to write ones that actually earn the click.