OpenWebmasterby Mello Zone

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Language, color, reading size, and motion stay on this device.

Inspect URLAdd website

On-page SEO · source structure

Check a page’s H1-H6 outline

Inspect the downloaded source for H1-H6 order, parent sections, empty headings, duplicate labels, duplicate IDs, skipped levels, long headings, anchor readiness, redirects, and exportable review items.

HTML BYTES2 MBHEADINGS500 RETAINEDCLAIMSSOURCE ONLY

Use this before publishing landing pages, docs, category pages, and migration templates. It checks retained source evidence only; it does not create a content quality score or a ranking prediction.

Ready to inspect a real page.

No sample grade, fake topical score, ranking impact, traffic estimate, accessibility certification, or indexing verdict appears before a live HTML response is checked.

On-page workflow

Make page structure easier for people, crawlers, and audits to inspect

Start with the H1

Confirm the page has a clear primary heading, then use lower levels for sections rather than visual styling alone.

Watch source order

Skipped levels are not automatically fatal, but they are useful review cues when templates or CMS blocks drift.

Keep anchors stable

Unique heading IDs make tables of contents, jump links, and editorial QA easier to maintain.