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Schema.dev alternatives · Technical SEO

Self-hosted alternatives to Schema.dev

The Schema.dev listing does not say it can be self-hosted. 4 of the 83 other technical SEO tools in this directory can be self-hosted, according to their own sites.

Schema.dev is free to use. All of them are free or have a free plan.

4 tools · Listings checked up to Oct 23, 2026 · Where the facts come from

How each one differs from Schema.dev

  1. sitespeed.io

    Free open-source toolkit for testing and monitoring web performance

    • sitespeed.io is free. Schema.dev is free.
    • Only sitespeed.io lists macOS, Windows and Linux apps.
    • Only Schema.dev lists a browser extension.
    • sitespeed.io is open source and self-hostable, according to its own site.
    sitespeed.io pricing and details

  2. Yellow Lab Tools

    Free open-source audit of a page's speed and front-end code

    • Yellow Lab Tools is free. Schema.dev is free.
    • Only Yellow Lab Tools lists a web app.
    • Only Yellow Lab Tools lists macOS and Linux apps.
    • Only Schema.dev lists a browser extension.
    Yellow Lab Tools pricing and details

  3. SEOnaut

    Open-source SEO site audit tool, self-hosted or in the cloud

    • SEOnaut starts at $9 per month, billed monthly. Schema.dev is free.
    • Only SEOnaut lists a web app.
    • Only Schema.dev lists a browser extension.
    • SEOnaut is open source and self-hostable, according to its own site.
    SEOnaut pricing and details

  4. LibreCrawl

    Free open-source SEO crawler you run in your own browser

    • LibreCrawl is free. Schema.dev is free.
    • Only LibreCrawl lists a web app.
    • Only LibreCrawl lists Windows, macOS and Linux apps.
    • Only Schema.dev lists a browser extension.
    LibreCrawl pricing and details

Common questions

Is there a self-hosted alternative to Schema.dev?

Yes. sitespeed.io, Yellow Lab Tools, SEOnaut and LibreCrawl can be self-hosted, according to their own sites.

Can Schema.dev be self-hosted?

The Schema.dev listing does not say it can be self-hosted. The listing was checked on Oct 23, 2026 against the pages it cites.

When was this checked?

Every listing on this page was checked on Oct 23, 2026, against the pages it cites. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Schema.dev: the alternatives its listing names first, then the tools that share the most features with it.