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    Field notes

    Technical SEO field notes, page 3

    Step-by-step checks, code examples, and explanations for technical SEO and tracking problems.

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    By Niko · May 18, 2026 · 2 min read

    Hreflang checks for multilingual and regional websites

    Check language URLs, reciprocal hreflang links, canonicals, and navigation so visitors can reach the right version of each page.

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    By Niko · May 14, 2026 · 2 min read

    WordPress SEO checks after a plugin or theme update

    Check canonicals, robots tags, redirects, and cache behaviour after a WordPress update. Compare affected templates with pages that still work.

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    By Niko · May 10, 2026 · 2 min read

    Stop catalog filters from creating endless crawlable URLs

    Find unnecessary filter and sort URLs, keep product discovery intact, and choose crawl controls without confusing them with noindex.

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    Framework indexing comparison across raw HTML, rendered DOM, React Server Component payload, error state, and production environment.

    By Niko · May 5, 2026 · 3 min read

    A JavaScript page looks right in Chrome. Can Google read it?

    Compare the HTML response, rendered page, framework payload, and missing routes to find content or indexing problems on JavaScript sites.

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    By Niko · May 2, 2026 · 2 min read

    Robots.txt and noindex mistakes after a website launch

    Check whether a launch or update blocked crawling or added noindex. Find the active rule and confirm the correction on the live page.

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    By Niko · April 28, 2026 · 2 min read

    Cloudflare serves an old page: check the cache before purging

    Compare the public page with the origin response to find stale cache entries, unsuitable cache rules, and headers that prevent reuse.

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    By Niko · April 24, 2026 · 3 min read

    “Alternate page with proper canonical tag”: when to fix it

    An alternate canonical can be working correctly. Check Google’s selected URL before changing redirects, tags, or internal links.

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    Decision tree for discovered currently not indexed URLs: validate the state, compare healthy and affected URL groups, inspect discovery signals, then verify recrawl evidence.

    By Niko · April 20, 2026 · 4 min read

    “Discovered — currently not indexed”: what to check first

    Check the latest URL Inspection result, server health, unnecessary URLs, and internal links before deciding why Google has not crawled a page.

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    By Niko · April 16, 2026 · 2 min read

    Technical SEO routing problems in Laravel and Next.js

    Check live responses, duplicate routes, rendering, and canonical URLs when a deployment changes how search engines reach your pages.

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    Migration indexation matrix comparing route response, canonical, internal links, sitemap, rendered output, and Search Console evidence across old, new, and healthy URLs.

    By Niko · April 15, 2026 · 4 min read

    “Crawled — currently not indexed” after a migration: what to check

    Compare old and new URLs, redirects, canonicals, rendered content, and internal links to find what changed after your migration.

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