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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 8 of 11.
- SEO14 min read
hreflang: what it is and how to implement it
hreflang tells Google which language or country version of a page to show each searcher. The syntax, the three places it can live, working examples and the rules that make it count.Updated 26 Sept 2026 - SEO9 min read
HTML sitemap vs XML sitemap: who each is for and whether you need both
An HTML sitemap is a page for people that links to the main sections of a site; an XML sitemap is a file for search engines. What each does, when an HTML sitemap is worth building, and how to make a good one.Updated 26 Sept 2026 - SEO17 min read
HTTP status codes: the full list for site owners, with SEO effects
HTTP status codes are the three-digit answers a server gives to every request. Every code a site owner meets, what browsers do with it and how Google treats it.Updated 26 Sept 2026 - SEO11 min read
HTTPS migration SEO: move from http to https without losing rankings
Moving from http to https changes every URL on your site. The SEO steps in the right order: certificate, one-hop redirects, canonicals, sitemaps, mixed content, Search Console and HSTS last.Updated 26 Sept 2026 - SEO10 min read
Infinite scroll SEO: load-more lists Google can still crawl
Infinite scroll SEO means building the list as ordinary paginated pages first, then adding scrolling on top, so Google can reach every item without scrolling. The pattern, the code and how to check it.Updated 26 Sept 2026 - SEO22 min read
JavaScript SEO: how search and AI crawlers read JavaScript sites
JavaScript SEO makes sure search engines and AI crawlers can find, render and index a site built with JavaScript. How Google handles scripts, what breaks, and how to fix it.Updated 26 Sept 2026 - SEO16 min read
llms.txt: what it is, who reads it and how to write one
What the llms.txt proposal is, which AI tools actually read it and which do not, how to write one with real examples, where it goes, llms-full.txt, and how it differs from robots.txt.Updated 26 Sept 2026 - SEO12 min read
Meta description examples: 11 before-and-after rewrites by page type
Eleven meta description examples, each shown before and after a rewrite, for home, category, product, article, local, SaaS, pricing, recipe, about, contact and event pages, plus the four-part formula behind them.Updated 26 Sept 2026 - SEO11 min read
Meta keywords: what they are and why Google ignores them
Meta keywords are a list of words in a page's head that once told search engines what the page was about. Google has ignored them since 2009. What the tag is, whether any engine still reads it, and what to do with an old one.Updated 26 Sept 2026 - SEO15 min read
Mobile SEO checklist: 24 checks for a mobile-first Google
A mobile SEO checklist for the way Google indexes today: what Googlebot Smartphone must be able to fetch, content parity with desktop, viewport, text and tap targets, interstitials and mobile speed, with a free way to audit each check.Updated 26 Sept 2026 - SEO15 min read
Mobile-first indexing: what Google reads on your mobile pages and what to check
Mobile-first indexing means Google crawls, indexes and ranks the version of your page a smartphone gets. What that changes for SEO, and the parity checks that keep mobile pages complete.Updated 26 Sept 2026 - SEO10 min read
Next.js SEO: metadata, rendering, sitemaps and canonicals
Next.js SEO is mostly configuration: the framework renders on the server by default, so the work is setting metadata, canonicals, sitemaps and status codes correctly per route. What to set in the App Router and the pitfalls that undo it.Updated 26 Sept 2026
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