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MSEO Merlin

The SEO plugin that works with Yoast and RankMath — not against them.

BUILT BY DEVEBO · MMXXVI
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Get Started

From plugin install to fixes shipped — under five minutes.

Free forever. No credit card. Installs in under a minute.

Download from WordPress.org →Read the docs first
At a glance
STEP 01InstallOne-click WP installSTEP 02Scan43 checks in 90 secondsfixedSTEP 03FixOne-click, fully reversible
01
Step

Install the plugin

One-click install from your WordPress admin. SEO Merlin runs alongside Yoast or RankMath — no migration, no conflicts.

Plugins → Add new → Search 'SEO Merlin' → Activate.

02
Step

Run your first audit

We crawl up to 250 URLs and run all 43 checks. Results land in the dashboard within 90 seconds for typical sites.

Auto-detects your sitemap. Skips drafts, redirects, and 404s.

03
Step

Apply fixes from the queue

Review the issue list, hit Auto-fix, and ship. Every fix has a preview and a one-click undo.

Bulk-fix by category. Schedule fixes overnight for live sites.

Common questions

Before you install.

Do I need to remove Yoast / RankMath first?+

No. SEO Merlin reads what they output. Keep your existing plugin running.

What does the free tier include?+

All 43 checks, all 26 deterministic fixes, and 10 lifetime AI fixes. No credit card required.

How long does a scan take?+

About 90 seconds for a typical 250-URL site. Larger sites scale linearly.

Can I undo a fix?+

Yes — every change is logged with a one-click rollback. Bulk rollback is also supported.

Final word

Your site has SEO problems
right now.

Find them in 90 seconds. Fix the auto-fixable ones in another two minutes. Free forever.

Start Free Audit →or browse the docs first
Free forever · No credit card · Installs in under a minute