Technical SEO
Articles on hreflang, canonicals, migrations, rendering, Core Web Vitals and schema.
Why Search Console says 'duplicate without user-selected canonical', a diagnosis tree for the four usual causes, and the fix for each one, with real redirects.
Screaming Frog alternatives compared by job: desktop vs cloud, JavaScript rendering, logs, API and MCP access, and cost per crawl, plus a tested Python crawler.
Course schema in 2026: the course list rich result Google still shows, the course info result it retired, and how to generate the markup from your CMS.
Webflow SEO for practitioners: the settings Webflow handles, where it stops (schema, hreflang, logs, redirects, CMS canonicals) and the workaround for each.
What a canonical tag is, the exact syntax, self-referencing and cross-domain use, hreflang, HTTP headers, setup in Next.js, Astro and WordPress, and 9 mistakes.
The best technical SEO audit tools in 2026, grouped by job: crawlers, log analysers, rendering, schema, Core Web Vitals and index checks, with two stacks.
A soft 404 is a page that returns 200 but reads as missing or empty. How Google detects it, why SPAs create them, and how to fix each cause in Search Console.
Schema markup examples for 12 common types, each a copy-paste JSON-LD block with a note on what Google still shows for it after the 2023 to 2026 removals.
A technical SEO audit checklist of 47 checks in pipeline order: crawl, render, index, serve. Each has a pass condition and a link to the fix.
Review schema from Google's current docs: which item types still earn stars, the self-serving rule, widgets, Review vs AggregateRating, and validated JSON-LD.
The X-Robots-Tag header explained for developers: exact config for Apache, Nginx, Netlify, Vercel, Next.js, Workers and Express, and how to verify it with curl.
Author schema from Google's docs: the author property, Person vs Organization, one Person @id reused across posts, ProfilePage, and Astro, Next.js and WP code.
WebSite schema now does one job in Google: it states your preferred site name. The required properties, alternateName, the home page rule and valid JSON-LD.
An SEO roadmap ordered by dependency, not by tactic: measurement first, then crawl and index, then content and GEO. With a copy-paste 12-month template.
Custom edtech software lives or dies on the spec: LTI 1.3, WCAG 2.2 under the European Accessibility Act, multilingual architecture and findable course pages.
Build an MCP server for your marketing stack in Python: expose a Search Console export, a URL checker, a sitemap resource and a review prompt, then test it.
An engineering guide to AI crawler log analysis: verify GPTBot, ClaudeBot and PerplexityBot against published IP lists, then compute the per-bot metrics.
An orphan page has no internal links pointing at it. Googlebot could sometimes still reach it. AI crawlers, at a fraction of Google's volume, usually cannot.
I crawled 10,426 posts across 15 SaaS blogs and mapped every in-content link. 3,979 posts had no in-content link pointing at them. Method and full data.
Google's supported property list for Article schema has seven entries. Publisher is not one. What to emit, what to delete, and the author rules in the docs.
Google ranks redirect types by how reliably it can read them. What each one signals, what a chain really costs, and how to stop redirect rules rotting silently.
Google says most sites should ignore crawl budget. How to tell whether you are one of them, what capacity and demand really are, and what moves the number.
Google's own definition says it rescheduled the crawl because fetching would overload your site. Why that is usually only half true, and what actually fixes it.
Vue builds client-side apps by default, and vue-router says hash mode has a bad impact on SEO. How to choose a rendering mode per route and prove it worked.
Most SPA SEO advice starts with a framework migration. Here are the routes that need no rewrite: prerendering, edge rendering, and selective server rendering.
Most internal linking audit advice repeats numbers nobody sourced. Here is the process, what the evidence supports, and how to check the fix worked.
Angular defaults to client-side rendering, which its own docs call poor for SEO. How to move routes to SSR or prerendering, and fix metadata that lands late.
Organization schema markup done from Google's own docs — why nothing is required, which subtype to use, the logo rules, and the identifiers that disambiguate.
International SEO strategy from Google's own docs — the URL-structure decision, the ccTLDs Google treats as generic, and four signals it ignores entirely.
Nuxt SEO from inside nuxt.config — universal rendering, route rules per URL, useSeoMeta, and the prerender traps Nuxt's own docs warn about.
What technical SEO actually costs in 2026 — audit fees versus retainers, the five things that move the price, and why the cheapest quote rarely is.
robots.txt for SEO, written for developers: copy-paste files for WordPress, Next.js, Astro and SaaS, a tested Disallow reference, the Sitemap line and AI bots.
Implementation-first Next.js SEO for the App Router — server components that ship content and JSON-LD in the initial HTML, plus generateMetadata.
A developer's guide to breadcrumb schema — the exact BreadcrumbList JSON-LD to ship, why it still earns rich results, and the mistakes that break it.
Why a default React SPA is invisible to AI crawlers, and the way out — server rendering, per-route metadata in the initial HTML, and the INP cost.
Create rich results with JSON-LD: the eligible types, correct syntax, validating in the Rich Results Test, and the FAQ and HowTo deprecations.
Pagination SEO for engineers: why paginated content needs real crawlable URLs, how infinite scroll hides content from bots, and the hybrid pattern I ship.
Google retired FAQ rich results in May 2026. FAQPage markup no longer earns SERP stars, but it stays extractable for AI answer engines. Here's how to decide.
Rich snippets don't raise rankings directly — they raise click-through. Google's own case-study data shows CTR gains up to 82%, and what really drives them.
Astro SEO from inside the codebase — zero-JS by default, @astrojs/sitemap, canonicals via a layout, content-collection schema and client:* discipline.
Canonical vs noindex: canonical consolidates duplicate URLs, noindex removes a page from Google. A decision table by situation, and what combining them does.
A developer's guide to Core Web Vitals: the three metrics and current thresholds, field data vs lab data, and the exact code-level fixes for LCP, INP, and CLS.
"Crawled – currently not indexed" means Google fetched your page and chose to leave it out of the index. What the status means and how to fix it.
What 'alternate page with proper canonical tag' means, when it's harmless, when it's a real indexing problem, and how to fix it on your platform.
JavaScript SEO for engineers — how Google renders JS, the failure modes that hide your content from crawlers, and how to make it crawlable and citable.
Server logs are the only record of what bots actually fetched — parse them with grep and awk to find crawl waste and verify GPTBot gets real HTML.
The sitemap method declares hreflang with xhtml:link entries instead of head tags — the exact syntax, why teams choose it, and the errors to avoid.
Hreflang and canonical tags collide when a translated page canonicalises to another language. Combine them per Google's rules — and fix the conflicts.
Keyword clustering done right groups keywords by shared Google results, not similar words — the SERP-overlap method, step by step, for SEO and AI search.
Learn how to automate SEO tasks with Claude AI. Includes working Python scripts for meta tag generation, JSON-LD schema creation, and Claude Code CLI workflows.
Implementation-first SEO and GEO for people who write the code — render strategy, Core Web Vitals fixes with the diffs, and schema that validates.
What answer engine optimization (AEO) is, how it differs from SEO, and how to get your content cited by ChatGPT, Google AI Overviews and Perplexity.
How programmatic SEO works, real examples from Zapier, Wise, and Nomadlist, when it crosses into spam, and a step-by-step no-code process to get started.
When you actually need a disavow file, the Domain-property blocker most guides miss, the exact format Google accepts, and how to measure recovery.
What llms.txt actually does for AI citation in 2026 — honest evidence review, when to implement, what to list, where it sits in the GEO toolkit.
How headless CMS architectures break traditional SEO crawlers, when SSR/SSG/ISR/CSR each make sense, and the per-template rendering audit pattern.
Hreflang implementation for multilingual SaaS — HTML tags, sitemap entries, bidirectional return links, x-default strategy. 2026 complete guide.
Site migration without losing SEO traffic — pre-launch audit, 1:1 redirect map, schema preservation, 90-day monitoring. 2026 complete methodology.
A complete technical SEO audit methodology — crawl, index, schema, Core Web Vitals, AI crawler access, and the cadence that holds up across engagements.
The 12-phase SEO and GEO audit framework — sequenced phases from technical health through AI citation readiness, delivered as deployed infrastructure.
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Nadia Mohamed