ShipworkSite inspection
Checks

Crawlability

PaginationAre paginated pages set up right?Internal searchIs site search eating crawl budget?URL parametersAre parameters creating duplicates?Log analyserWhat does Googlebot actually crawl?Robots builderNeed a robots.txt file?Soft 404sAre pages “not found” but returning 200?JavaScriptCan crawlers see it without running JS?FreshnessIs my site quietly going stale?Robots.txtDoes robots.txt say what I think?

Indexing

Sitemap lastmodAre my sitemap dates valid?SitemapIs my sitemap actually fetchable?IndexingIs Google allowed to index my pages?CanonicalsIs Google indexing the wrong URL?Index signalsDo sitemap and index signals agree?Sitemap generatorNeed a sitemap.xml for my site?Bulk URL statusWhere does each of these URLs really land?Redirect builderNeed the redirect rules?RedirectsAre my URLs answering directly, over HTTPS?

On-page

Keyword ideasWhat are people searching for?SERP previewHow does my page look in Google?Content qualityAre your pages too thin or too alike?Image weightAre images slowing the page?CannibalizationAre pages competing with each other?On-page checkDoes the page use its target phrase?ImagesAre my images accessible and loading?Meta tag builderWhat should my title and share tags say?DuplicatesDo my pages compete for one query?

Links

Orphan pagesWhich pages can no link reach?Link graphHow deep do your pages sit?Anchor textDo links say what they point at?Outbound linksAre external links still alive?Broken linksAre internal links sending visitors nowhere?

Structured data

Rich resultsIs my markup eligible for a rich result?Structured dataIs my product schema valid?Schema coverageDo my key pages carry structured data?Social previewHow does my page look when shared?Schema vs pageDoes markup match the page price?Schema builderNeed valid JSON-LD?

International

Hreflang sitemapDo page and sitemap hreflang agree?HreflangDo my language versions link back?Hreflang builderNeed the hreflang tags?Page DoctorWhy is this page not doing well?Redirect planMy site has dead links — what redirects do I write?Sitemap diffIs anything missing from my sitemap?Robots simulatorWhat does my robots.txt actually block?Can Googlebot?Can Googlebot fetch this URL?
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Catch Merchant Center disapprovals before Google does

MerchantPreflight is a paid ($19/month) store-readiness and feed checker for ecommerce sites. Shipwork is a free, outside-network audit of any site, with the same feed-file check and a watch, and no signup for the free checks.

One crawl of a set of public pages, from outside your network. Nothing is stored.

What MerchantPreflight does well

It packages store readiness into one place: a misrepresentation checker, a policy checker and builder, a product-feed checker and a product-page auditor, with saved reports. If you want a guided Merchant Center readiness workflow, that is the value.

Where it stops

It is a paid subscription and focused on Merchant Center readiness, so it does not cover the general SEO surface (indexation, canonicals, structured data, AI crawler access, TLS and DNS), and it does not run on a schedule to tell you what changed.

What Shipwork does instead

  • Free and account-free for every check, including the feed-file check.
  • The full technical surface: indexation, canonicals, structured data, sitemaps, AI crawlers, TLS, DNS and email auth.
  • A feed-file check (CSV, TSV, XML) for GTIN, category, condition and identifiers.
  • A daily watch that emails you the day a check changes.

Which should you use?

Use MerchantPreflight if you want a paid, guided readiness workflow with saved reports. Use Shipwork for the free checks, the wider technical surface, and to watch a store over time.

More comparisons

Questions

Is Shipwork a replacement for MerchantPreflight?
For the free checks, largely yes; it is broader on the technical side. It does not offer a guided readiness workflow with saved reports.
Does it check a feed file?
Yes: CSV, TSV and Merchant feed XML, free, with nothing uploaded to us.
Is it free?
The checks are free and need no account. The daily watch is the paid part.