// Field_Notes // Technical SEO

    Technical SEO

    Rendering, indexation, Core Web Vitals, structured data, and the technical hygiene that decides whether the rest of your SEO matters.

    // Free_GEO_Snapshot

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    Technical SEO10 min read

    Headless Commerce and SEO: What Actually Breaks, and Why

    Headless does not hurt SEO. Client-only rendering does, and headless makes that easy to choose by accident. Here is the rendering, schema and caching strategy that keeps a headless storefront crawlable.

    Sep 2026Read →
    Technical SEO11 min read

    Replatforming Without Losing SEO: The 2026 Migration Checklist

    Most replatforming traffic losses come from three avoidable mistakes. Here is the full pre-launch, launch-day and 90-day checklist we run on every ecommerce migration.

    Sep 2026Read →
    Technical SEO10 min read

    Programmatic SEO after the August 2026 Spam Update: what still works

    Google named incorrectly implemented programmatic SEO as a target of the August 2026 Spam Update. Programmatic pages aren't dead — pages that differ only by a swapped variable are. Here's the threshold a generated page has to clear.

    Sep 2026Read →
    Technical SEO7 min

    Misleading Schema Markup Is Now a Penalty: What to Delete Before Google Finds It

    Google formally penalizes content-schema mismatches. Product tags on non-commerce pages, invisible reviews, phantom FAQs — here is the audit list and how to clean up without losing rich results you have earned.

    Jul 2026Read →
    Technical SEO8 min read

    Ecommerce Core Web Vitals in 2026: INP, LCP and the new mobile budgets

    INP replaced FID over a year ago but most ecommerce sites still fail it on mobile. Here are the 2026 thresholds Google uses for ranking, the four INP killers we find on every audit, and the fixes that actually move the number.

    Jul 2026Read →
    Technical SEO7 min read

    Product schema after the Merchant Listings shakeup: what still triggers rich results in 2026

    Google merged Merchant Listings into the main Product rich result in Q2 2026 and quietly deprecated four properties. Here is the current spec, what still triggers rich results, and how to fix the schema on your PDPs.

    Jul 2026Read →
    Technical SEO11 min

    Log File Analysis for Ecommerce: Googlebot, GPTBot, and the Crawl Budget Nobody Tracks

    Server log files are the only source of truth for how Googlebot, GPTBot, ClaudeBot, and PerplexityBot actually crawl your store. Here is how to read them and what to fix.

    May 2026Read →
    Technical SEO9 min

    The Shopify SEO Audit Checklist (2026)

    A Shopify-specific audit checklist covering theme bloat, collection cannibalization, faceted nav, app-injected scripts, and the GEO layer.

    Apr 2026Read →
    Technical SEO12 min

    Killing keyword cannibalization across 600+ Shopify collections

    Cannibalization is the silent killer of authority on large catalogs. The repeatable playbook we run on every Shopify Plus engagement.

    Apr 2026Read →
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