The SEO Loop blog
Technical SEO
Technical SEO guides from SEO Loop: practical, tested and free of fluff.
Core Web Vitals explained: LCP, INP, CLS
What LCP, INP and CLS measure, the thresholds that count as good, lab vs real-user data, and the fixes that usually move the numbers.
How to check a sitemap: find, read, validate
Find any site's XML sitemap, check it follows the rules, and fix the problems that stop Google using it, from wrong URLs to size limits.
Read the guide →How to check a canonical tag (3 ways)
Three quick ways to see which canonical URL a page declares, what Google actually chose, and the canonical mistakes that quietly split your rankings.
Read the guide →How to check if a page is noindex
Three places a noindex directive hides (HTML, HTTP headers and JavaScript), how to find it fast, and why pages go noindex by accident after launch.
Read the guide →How to check robots.txt and test a URL
Find a site's robots.txt, read the rules correctly, test whether a URL is blocked, and fix the mistakes that hide whole sections from Google.
Read the guide →How to check schema markup on any page
See which structured data a page declares, validate it with free tools, and fix the missing properties that stop a page earning rich results.
Read the guide →301 vs 302 redirects and redirect chains
When to use a 301 or a 302, why redirect chains and loops quietly hurt crawling and speed, and how to trace a redirect path from the command line.
Read the guide →robots.txt vs noindex vs canonical
robots.txt, noindex and canonical all seem to hide a page, but do very different things. When to use each, and the mistake that makes noindex fail.
Read the guide →Structured data and JSON-LD for beginners
What structured data is, why JSON-LD is the format to use, which schema types are worth adding first, and how to test that search engines can read your markup.
Read the guide →What is crawl budget, and does it matter?
Crawl budget explained without the myths: who needs to worry about it, what wastes it, and how to check whether Google is crawling your site well.
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