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NOTABIS SEO / LEARN

Understand the issue. Decide what to do.

Practical guides for the SEO findings NOTABIS measures. Learn what an issue means, how to verify it, when it is intentional, and how to fix it safely.

Crawlability · 16 Sep 2026

Authentication Redirects and SEO Audits

Authentication redirects protect private routes but can hide public pages when middleware is too broad. NOTABIS records final URLs and page context so private intent can be separated from accidental redirects.

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Crawlability · 16 Sep 2026

Duplicate URLs and URL Variants

Different URLs can serve the same or similar content through parameters, old routes, print views, or tracking. Align canonical, redirect, link, and sitemap signals around each variant’s intended purpose.

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Crawlability · 16 Sep 2026

XML Sitemaps: Complete Guide

An XML sitemap lists public URLs or child sitemaps to support discovery. NOTABIS validates access, XML structure, headers, namespaces, and URL reconciliation without treating a sitemap as an indexing guarantee.

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Crawlability · 16 Sep 2026

Robots.txt vs Noindex

Robots.txt controls crawler access, while noindex tells a crawler that it may fetch a page but should not include it in search. They are different controls for different goals.

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Crawlability · 16 Sep 2026

Invalid Sitemap XML Namespaces

NOTABIS reports an invalid sitemap namespace when a declared sitemap uses a non-standard non-empty default namespace. Correct the root namespace before relying on the file for discovery.

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Crawlability · 9 Sep 2026

Sitemap Unavailable: How to Diagnose It

A sitemap-unavailable finding means a declared sitemap could not be fetched or processed during the audit. Check the exact URL, response, content type, XML, redirects, and access controls before changing your site.

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