Technical SEO

A practical look at how Googlebot crawls, renders and indexes JavaScript-built pages, including the pitfalls that hit ecommerce catalogs.

What Google's Structured Data Markup Helper actually does, why it's outdated, and the JSON-LD workflow, schema types, and validation tools that work better today.

The difference between valid and rich-result eligible, which validator answers which question, the errors that actually show up, and how to keep markup valid past launch day.

Redirecting visitors by IP or browser language hides your other country versions from Googlebot. Here is why it fails and which banner and selector setups work with hreflang.

Whether Google shows emojis in titles and snippets, when it quietly removes them, and how to test whether they change clicks on your own pages.

How accents, non-Latin scripts and special characters behave in URLs, what percent-encoding and punycode do, and how to stop them creating duplicate pages.

What noindex,follow and noindex,nofollow each do, and why a page left on noindex for months is eventually treated as nofollow too.

How edge workers let you change redirects, headers, hreflang and meta tags without touching the origin, and the governance that keeps it from going wrong.

Google follows JavaScript and meta refresh redirects, but less reliably than a 301. Here is how they are handled, where they fail, and what to do without server access.

How to inventory chat widgets, pixels and tags, measure their cost on LCP and INP, and decide whether to defer, facade or remove each one.

How to consolidate two domains after a merger: decide which URLs survive, map redirects across overlapping content, and avoid cannibalization along the way.

How to mark up individual courses and course lists with schema.org, which properties matter, and whether Google still shows a rich result for it.