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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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385 guides, page 10 of 33.
- Speed14 min read
Largest Contentful Paint (LCP): what it is and how to improve it
Largest Contentful Paint is the time until the biggest image or text block on screen is drawn; good is 2.5 s or less. Find your LCP element, see which of its four parts is slow, and fix them in the order that pays off most.Updated 27 Sept 2026 - Speed14 min read
Lighthouse score: what it measures and why 100 does not mean fast
The Lighthouse score is a weighted blend of five lab metrics from one simulated page load. Learn how it is calculated, how it differs from PageSpeed Insights and Core Web Vitals, and whether it affects SEO.Updated 27 Sept 2026 - SEO13 min read
Meta description: how long, what to write, and why Google rewrites it
A meta description is the short summary of a page that Google may show under your result. It does not rank you, but it wins the click. Learn the length that fits, what to write and why Google replaces yours.Updated 27 Sept 2026 - SEO21 min read
Meta tags for SEO: the ones that matter and the ones to ignore
Meta tags are the lines in a page's head that tell Google, browsers and social apps what the page is. See which ones affect search, which Google ignores, and copy-paste examples for each.Updated 27 Sept 2026 - Platforms12 min read
Netlify and Vercel: the headers, caching and redirects to set
What Netlify and Vercel send by default, and the headers file, cache rules, redirects and preview settings that turn their fast defaults into a clean security and caching report.Updated 27 Sept 2026 - SEO12 min read
On-page SEO checklist: 12 checks to audit any page
An on-page SEO checklist of 12 checks for a single URL, from indexability, title and headings to links, images and structured data, with what counts as a pass and how to audit the page in a minute.Updated 27 Sept 2026 - SEO14 min read
Redirect chains: find every hop and flatten it to one
A redirect chain is a URL that redirects to another URL that redirects again. Why chains appear after migrations, what they cost visitors and crawlers, and how to find every hop and flatten it into a single 301.Updated 27 Sept 2026 - SEO14 min read
Redirect mapping for a site migration: build, check and test the map
A redirect map pairs every old URL with its new one. How to collect the old URLs, match them, handle pages with no equivalent, turn the map into rules and test it before and after launch.Updated 27 Sept 2026 - Security11 min read
Renew an SSL certificate: automate renewal, then monitor expiry
Public SSL certificates now last 200 days at most and will drop to 47 by 2029, so renewal has to be automatic. How to renew on each stack, why renewal fails silently, and how to monitor expiry.Updated 27 Sept 2026 - SEO11 min read
robots.txt Disallow: block what you mean, not your whole site
A robots.txt Disallow rule tells crawlers not to fetch the paths it matches: one folder, one file type or, with Disallow: /, the entire site. How to write the rule you need, how to allow everything, and how to spot and undo an accidental site-wide block.Updated 27 Sept 2026 - SEO12 min read
robots.txt examples: syntax, wildcards, Allow and crawl-delay
Copy-paste robots.txt examples for a typical site, WordPress, a shop, a Next.js app and AI crawlers, with the syntax behind them: user-agent groups, Allow and Disallow, wildcards, the Sitemap line and why crawl-delay does nothing for Google.Updated 27 Sept 2026 - Structured data14 min read
Schema markup in WordPress: plugins, custom JSON-LD and duplicates
Schema markup in WordPress usually comes from your SEO plugin, WooCommerce and sometimes the theme, which is why the common problem is too much of it rather than too little. How to set up what the plugin prints, add custom JSON-LD, choose a schema plugin, and keep one graph.Updated 27 Sept 2026
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