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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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346 guides, page 21 of 29.
- 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 - Platforms11 min read
Apache .htaccess for an A grade: headers, redirects, caching
A tested .htaccess, built section by section, that gives an Apache or LiteSpeed site one-hop redirects, security headers, compression, cache lifetimes and no exposed files.Updated 25 Sept 2026 - Structured data11 min read
Article and BlogPosting schema: what Google actually uses
Article structured data earns dates, headlines and bigger images in search, not stars. The properties Google reads, the image and date rules, a full JSON-LD sample and the WordPress plugin settings.Updated 25 Sept 2026 - Structured data11 min read
BreadcrumbList schema: the trail Google shows instead of your URL
The exact JSON-LD shape for BreadcrumbList, the rules Google applies to positions, names and URLs, how the trail appears in results, and the errors that make it silently ineligible.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 - Platforms10 min read
Caddy: the two-line https server and the headers to add to it
Caddy gets certificates, redirects to HTTPS and serves HTTP/2 and HTTP/3 with no configuration. Here is what it does by default, what it does not, and the Caddyfile that passes every report check.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 - Security10 min read
Certificate chain errors: why it works in Chrome and fails elsewhere
A missing intermediate certificate hides in desktop browsers and breaks apps, curl, webhooks and crawlers. Read the chain, match the error to its cause and install the full chain on any server.Updated 25 Sept 2026 - Platforms14 min read
Cloudflare settings for speed and security, on the free plan
The Cloudflare free-plan settings that make a report go green, in order, with what each one changes, the traps (Flexible SSL, cache everything, Rocket Loader) and how to verify from outside.Updated 25 Sept 2026 - Best practices11 min read
Console errors and deprecated APIs: what the report flags
What the console errors, deprecated APIs and document.write findings mean, where the errors usually come from, and how to reproduce and fix each one, with code for the common cases.Updated 25 Sept 2026 - Speed13 min read
Core Web Vitals for e-commerce: product and category pages
Where shops fail LCP, CLS and INP on product pages, category grids and checkout, with the fix for each template, the WooCommerce and Shopify settings behind them, and how to measure per template.Updated 25 Sept 2026
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