Every SEO regression, caught
before launch.
PreflightSEO crawls your old and new environments side by side, compares every URL, and reports every discrepancy before your client ever notices.
Migrations fail quietly — and
by the time you know, it's too late.
A template change noindexes your entire blog. Canonical tags drift in a platform migration. Redirects point to the wrong targets. Google discovers it over weeks. Your traffic report discovers it three months later.
A 10,000-page site has 10,000 failure points. Spot-checking a dozen URLs before launch is optimism, not QA.
Search engines discover errors over weeks. By the time traffic drops appear in GSC, the window to fix the migration cleanly has closed.
Broken link checkers only see the new site. Only PreflightSEO crawls both environments and compares them field by field.
One missed noindex on a staging template once went live and triggered a 40% traffic drop for a client. PreflightSEO was built because of moments like that.
Three steps.
Absolute clarity.
Connect your environments, run the check, act on the report. There is nothing else.
Enter your current and new base URLs. Upload an optional CSV redirect map for precision validation. Set crawl depth and page limits for your project.
PreflightSEO crawls both environments at a polite rate (1–2 req/sec on Free/Starter, up to 5–10 on higher plans), normalizes URLs, follows redirects, and compares each page's status, title, H1, canonicals, and meta robots.
Download a prioritized CSV or JSON report. Blockers first — the pages that will vanish from search. Then High, Medium. Fix everything before launch day.
Eleven issue types.
Every failure mode covered.
The people who catch problems
before clients do.
You do 5–10 migrations a year. One SEO disaster — a noindex left on staging, a canonical that drifts — costs more than a year of PreflightSEO. Use it as a pre-launch checkpoint on every project.
You're the only person on the project. There's no QA team. PreflightSEO is your safety net before you hand the keys to the client — so you don't get an angry call three weeks later.
Your CTO approved the new platform. Marketing approved the redesign. Nobody approved what happens to organic traffic. Run a preflight check and find out before Google does.
Simple, honest pricing
Start free. Scale as your projects grow.
- 5,000 URLs/run
- 5 projects
- Unlimited runs
- 1–2 req/sec crawl rate
- Email alerts on run complete + BLOCKERs
- 25,000 URLs/run
- Unlimited projects
- Unlimited runs
- Up to 5 req/sec crawl rate
- Scheduled runsComing soon
- API accessComing soon
- 100,000 URLs/run
- Unlimited projects
- Unlimited runs
- Up to 10 req/sec crawl rate
- White-label CSVComing soon
- Priority support
Common questions
Run your first check
before anything goes live.
Free tier. No credit card required. Results in minutes.
Start free