SEO audits by industry · SaaS

Technical SEO audits for SaaS sites

SaaS marketing sites are deploy-velocity environments. The pricing page, feature pages, and docs ship multiple times a week, and any regression on the canonical, title, or render-blocking JS path costs trial signups before anyone notices. Wrendex runs the same catalog of checks on every deploy.

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Sec. IND.01 · What breaks ◊Issues that frequently surface on SaaS sites 6 common patterns · from real audits
I.01
Pricing page canonical drifts during A/B tests
Variant URLs for pricing experiments inherit a canonical pointing at the original variant, so the test page never gets indexed and the live page keeps every backlink.
I.02
Docs subdomain leaks into the marketing index
Mintlify or readme.io docs render at /docs or docs.example.com without a clear canonical strategy, producing duplicate-content overlap with the public marketing pages.
I.03
Render-blocking analytics on /pricing
Multiple analytics scripts and product-tour SDKs load synchronously above the fold, pushing TTFB on the highest-intent page past the threshold where bounce rate spikes.
I.04
Feature pages share a templated title
Every /features/<name> page renders the same <title> because the template did not interpolate the feature name. Search engines collapse them in the SERP.
I.05
Sitemap drifts from the routing config
New marketing pages get shipped without a sitemap entry; deprecated pages stay in the sitemap pointing at 404s. Both are common after framework upgrades.
I.06
JS-rendered hero never crawled
Hero copy and the primary CTA render client-side via React, but the bot crawl returns the loading state. The most important page on the site is invisible to search engines.
Sec. IND.02 · Catalog checks ◊Wrendex catalog checks that fire on SaaS sites 9 checks · 0 linked
C.01 · title-missing
title-missing
Industry-specific check fired during the audit. Detail page in the next catalog refresh.
C.02 · title-duplicate
title-duplicate
Industry-specific check fired during the audit. Detail page in the next catalog refresh.
C.03 · canonical-missing
canonical-missing
Industry-specific check fired during the audit. Detail page in the next catalog refresh.
C.04 · canonical-points-to-4xx
canonical-points-to-4xx
Industry-specific check fired during the audit. Detail page in the next catalog refresh.
C.05 · duplicate-tracker
duplicate-tracker
Industry-specific check fired during the audit. Detail page in the next catalog refresh.
C.06 · multi-version-library
multi-version-library
Industry-specific check fired during the audit. Detail page in the next catalog refresh.
C.07 · redirect-chain
redirect-chain
Industry-specific check fired during the audit. Detail page in the next catalog refresh.
C.08 · render-blocking-js
Render-blocking JS
Industry-specific check fired during the audit. Detail page in the next catalog refresh.
C.09 · client-side-only-content
Client-side-only content
Industry-specific check fired during the audit. Detail page in the next catalog refresh.
Sec. IND.03 · Anatomy of an audit ◊What an audit run on a SaaS site actually produces 5 steps · first run
  1. Crawl every public marketing surface. Wrendex hits /, /pricing, /features, /docs, /blog, and every linked landing page at the live deploy URL.
  2. Render with a real browser. Each page is also fetched with a headless Chromium so client-side-rendered content gets graded the way Google sees it.
  3. Group issues by deploy unit. Findings cluster by template family so engineering can triage one PR per template, not one PR per URL.
  4. Get PR-ready fix copy. Every finding ships with the exact head fragment, the exact status code, the exact JSON-LD to emit.
  5. Re-crawl on the next deploy. Wrendex polls the deploy hook (or the sitemap last-modified) and re-runs the affected templates within an hour.
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