Swiss Knife SEO

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Catch it before you ship, prove it after you fix

Swiss Knife SEO gives in-house and technical SEO teams a crawler that renders JavaScript, a build gate that fails before a regression reaches production, and a fix workflow the whole team can see. The engine behind it ran real production audits, on sites with hundreds of thousands of internal links, before it was ever a product.

Free plan, no credit card. First audit scored in minutes. Read-only Google access. Export anytime.

Audit at scale

A cloud crawler that keeps up with your site

Run it on the whole property, on a schedule, with your team watching the same workspace instead of passing a laptop around.

Up to 250,000 URLs

Crawl the full site with JavaScript rendering, live progress counters, and fast, standard, and deep presets that you control per run.

Rendered versus raw

See how much of each page survives without JavaScript, the exact gap that hides content from search engines and from AI crawlers.

Scored, not just listed

A 0 to 100 health score with thematic sub-scores, and issues ranked by impact, template reach, and internal authority, so the queue is already prioritized.

Ship safely

Know what a redesign will cost before it goes live

Most SEO damage happens on deploy day. Swiss Knife SEO checks the change before your users do.

  • Staging versus production comparison on customer-owned staging
  • A migration check that names the pages a redesign would lose and the link equity at risk
  • Field-level page-change diffs between any two crawls: status, indexability, canonical, title, meta, and body content
  • robots.txt and sitemap change monitors, checked daily, with alerts
CI health gate GET /api/site-check/?token=...&site=12 { "health_score": 74, "pass": true } Build passes: health steady, no new high-severity issuePASS Next PR adds a noindex to 300 pagesFAIL The pipeline stops it before it reaches production
Built for developers

An API and a build gate, on every plan

Treat SEO regressions like any other failing test. The tools plug into the pipeline you already run.

  • A read-only, tenant-scoped REST API over sites, crawls, issues, and link data
  • A CI health endpoint that returns the health score, high-severity issue count, and a pass flag
  • Fail a build when the score drops or a new high-severity issue appears, before you ship
  • Token-authenticated, with tokens stored only as hashed digests
Prioritize and hand off

Fixes that reach the right person and get verified

Join your Google data so the queue is ordered by real traffic, then route the work to where your team lives.

Traffic-aware priorities

Connect GA4 and Search Console, both read-only, and issues get weighted by the pages that actually earn clicks, not raw counts.

Owners, dates, and SLAs

The Fix Workspace assigns each finding with acceptance criteria, and the next crawl marks it verified automatically.

Into your tools

Create tasks in Jira, ClickUp, Asana, and Trello, send rich cards to Slack and Microsoft Teams, or fire a webhook.

Recommended for most in-house teams: Pro for the API, JavaScript rendering, and the Google join, or Growth when you add AI visibility and more sites. Compare plans.
Questions

What technical teams ask first

Does it render JavaScript?
Yes, from the Pro plan up. Each sampled page opens in a real cloud browser and the raw HTML is compared against the rendered result, so you can see the content that only exists after scripts run, which matters for Google and for AI crawlers that never execute JavaScript.
Is there an API and a CI gate?
Yes. A read-only tenant-scoped REST API covers sites, crawls, issues, and link data, and a CI health endpoint returns the health score, high-severity issue count, and a pass flag so a pipeline can fail a build before a regression ships. Both are available on every plan.
How does fix verification work?
Assign a finding in the Fix Workspace with an owner, due date, and acceptance criteria. The next crawl rechecks the issue and marks it verified, and the All Issues report shows new versus fixed per type, so the loop closes without a manual audit.

Put an SEO test in your pipeline

Free plan, no credit card. Audit your site, wire the health endpoint into CI, and stop shipping regressions.