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In-depth guides
Longer walkthroughs for specific setups: real screenshots, code you can paste and the reason behind every step. The short fix page for each check lives under Learn.
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130 guides, page 10 of 11.
- SEO26 min read
Technical SEO: crawling, indexing, speed and the fixes that matter
Technical SEO makes sure search engines can crawl, render, index and understand your pages. The elements that matter, how to audit them and what to fix first.Updated 26 Sept 2026 - SEO10 min read
Video, image and news sitemaps: when they are worth adding
A video sitemap tells Google about videos on your pages that it might miss: the thumbnail, title, description and file or player. When video, image and news sitemaps help, the tags Google still reads, and when you can skip them.Updated 26 Sept 2026 - SEO12 min read
What is a 404 error, and how do you fix one?
A 404 error means the server was reached but has no page at that address. What visitors can do, why your site returns 404s and how to fix the ones that matter.Updated 26 Sept 2026 - SEO21 min read
XML sitemaps: what they are, what to put in them and how Google uses them
An XML sitemap is a file that lists the pages you want search engines to find, with the date each one last changed. Learn what goes in sitemap.xml, how Google uses it, who needs one and how to create and submit it.Updated 26 Sept 2026 - SEO13 min read
'Discovered - currently not indexed': what it means and what to do
Google knows the URL and has not fetched it. How that differs from "Crawled - currently not indexed", the real causes on small sites in order of likelihood, and a 20-minute triage with three checks.Updated 25 Sept 2026 - SEO12 min read
404 vs 410 vs redirect: what to do with removed pages
When a page goes, choose per URL between a 301 to its equivalent, a 410 for pages gone for good, or a plain 404. This guide gives the decision rules, the server snippets and the bulk workflow for a whole list of removed URLs.Updated 25 Sept 2026 - SEO14 min read
AI crawlers and robots.txt: who fetches your site and how to decide
GPTBot, ClaudeBot, PerplexityBot and 15 more read your robots.txt. See which ones train models and which send visitors, copy a robots.txt that matches your site, and add a valid llms.txt.Updated 25 Sept 2026 - SEO10 min read
AMP in 2026: keep it or remove it, and how to remove it safely
AMP no longer earns a place in Top Stories or a ranking boost, and it doubles the pages you maintain. Who still benefits, what it costs, and the order of steps that removes it without losing traffic.Updated 25 Sept 2026 - SEO11 min read
Breadcrumbs: navigation and structured data together
A breadcrumb trail tells visitors where they are and lets Google print a readable path in your listing. Build the visible trail and the BreadcrumbList JSON-LD once, with HTML and WordPress settings.Updated 25 Sept 2026 - SEO12 min read
Canonicals across domains: syndication, mirrors and republishing
When one article lives on two domains, learn which case needs a cross-domain canonical, which needs noindex and which needs a redirect, with Google's current syndication advice and code.Updated 25 Sept 2026 - SEO12 min read
Duplicate titles and descriptions across a site
Two pages with the same title look like one page to Google and like two identical options to a searcher. Find every duplicate on your site in an afternoon and fix the templates for good.Updated 25 Sept 2026 - SEO11 min read
hreflang in sitemaps vs in HTML: pick one and keep it consistent
hreflang can live in the page head, in an HTTP header or in the XML sitemap. This guide compares the three, shows a working sample of each, and explains how to pick one so the sets never disagree.Updated 25 Sept 2026
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