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Technical SEO guides

JavaScript rendering, canonical URLs, indexation and crawler access, with technical audits and checks for investigating site issues.

Articles

10 articles · 6 articles with video

Francisco Leon de Vivero next to an empty Google results page illustration

October 24, 2026

Website Disappeared From Google Overnight? What to Check First

Why is my website not showing up on Google, even for your brand? Work in order: confirm the drop, rule out technical issues, then...

Technical SEO

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July 24, 2026Video

Duplicate Product Content and AI Citations: The 2.8% Problem

Shero found brand pages earned 2.8% of 1,851 AI citations. See what Shopify teams should test across duplicate copy and structured descriptions.

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Francisco beside an A/B experiment graphic explaining that no automatic penalty does not create a safe harbor

July 15, 2026Video

Can Year-Long A/B Tests Hurt SEO? What Google Actually Said

Google did not approve year-long A/B tests or a 10% holdout. Learn the indexing, cloaking, canonical, redirect, monitoring, and stopping risks.

Technical SEO

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July 10, 2026

How to Optimize the Accessibility Tree for AI Agents

A practical technical SEO audit for semantic HTML, accessible names, Java Script states, competitor template comparisons, and browser-agent QA.

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June 18, 2026Video

AI Assistants and JavaScript Rendering: What SEOs Need to Fix

Andre Alpar tested whether AI assistants render Java Script during grounding. The results show why raw HTML, server logs, and SSR matter for AI...

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May 23, 2026Video

Google Says You Do Not Need llms.txt. Lighthouse Checks It Anyway.

Google Search says llms.txt is not required for AI Overviews or AI Mode, while Chrome Lighthouse now audits it for Agentic Browsing. Here is...

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May 14, 2026Video

I Built a Technical SEO Auditor Skill for Claude AI

A practical Claude skill for technical SEO audits that turns HTML, crawl exports, GSC data, and URL Inspection evidence into prioritized consultant-style findings.

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April 15, 2026

Google Agentic Search Hits 75M Users and Mueller's 9 Canonical Override Scenarios

Google AI Mode hits 75 M daily active users as agentic restaurant booking expands to 8 countries, reducing aggregators to invisible data pipes. Plus:...

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April 13, 2026Video

Googlebot's 2MB Cutoff, the Agentic Commerce Arms Race, and Who Won the March Core Update

Deep analysis: Googlebot's newly enforced 2 MB crawl limit silently truncates pages, Google and Open AI race to own AI checkout, and winners emerge...

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