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Crawl every page
A full JavaScript-rendering crawler that audits sites of any size, from a 50-page blog to a 250,000-URL ecommerce catalogue.
The SEO Control Plane·SEO Audit
Ship SEO fixes in one click – no dev ticket, no waiting
Crawl your entire site, surface 200+ technical, on-page and content issues, and fix them in one click. No spreadsheets, no guesswork – just rankings.
Free plan · No credit card · First audit in 90 seconds
semoptimiser.com/seo-audit
SEO Audit
Issue Report
76
Missing meta descriptions14Fix
Broken internal links7Fix
Images without alt text31Fix
Slow page load (>3s)8Fix
41
auto-fixed
200+
checks
1-click
deploy
+217 indexed
LCP 2.4s → 1.1s
1-click fix shipped
Why SEMOptimiser
The fastest path from audit to ranking
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200+ checks built-in
Indexability, Core Web Vitals, schema, hreflang, internal links, content depth, image weight – every signal Google grades.
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One-click fixes
Apply Title, Meta, H1, alt-text and schema fixes directly through our WordPress, Shopify, Webflow and Wix integrations.
Features
Everything a technical SEO audit should cover
Built by SEOs for SEOs – every check that matters, none of the noise.
● 9 capabilities · auditable
Core Web Vitals
LCP, CLS and INP per URL with field + lab data from CrUX.
Indexation diagnostics
robots.txt, noindex, canonical, sitemap and orphan-page detection.
Schema validation
JSON-LD checks for Article, Product, FAQ, HowTo and 30+ types.
Internal link analysis
Find pages with too few inbound links, broken anchors and excessive depth.
Content scoring
Thin pages, duplicate content, missing E-E-A-T signals and TF-IDF gaps.
Hreflang & i18n
Detect missing reciprocal tags, conflicting regions and orphaned locales.
Image audit
Next-gen format conversion, dimensions, alt-text and lazy-loading checks.
Mobile usability
Tap-target spacing, viewport, font-size and content-width audits.
Security headers
HSTS, CSP, mixed-content and outdated TLS detection.
How it works
Get started with SEMOptimiser SEO Audit in 3 steps
1
STEP 01
Enter your domain
Paste your URL – we crawl with a real JavaScript-rendering browser so SPAs and React sites audit accurately.
2
STEP 02
Review prioritised issues
Issues are grouped by severity and impact, with affected URLs, screenshots and recommended fixes.
3
STEP 03
Fix in one click
Push fixes to your CMS via our WordPress, Shopify, Webflow or GTM integrations, or export the report for your dev team.
FAQ
Frequently asked questions
- Yes. The free plan covers unlimited single-domain audits up to 5,000 URLs, with all 200+ checks unlocked. Larger sites and white-label reports are on paid plans.
One platform. Five fewer subscriptions.
Audit, index and rank –
without a fifth subscription.
Join 1,200+ agencies and in-house teams using SEMOptimiser to replace Semrush, Ahrefs, GA4 add-ons and rank trackers – with one workflow that actually ships fixes.
No credit card Cancel anytime
Aggregate impact
What 1,200+ teams shipped last 30 days
$2.4M
ad waste recovered
48,200
SEO issues auto-fixed
3.1M
URLs indexed in Google
14
AI surfaces tracked daily
Tools replaced
SemrushAhrefsScreaming FrogAccuRankerGA4 add-ons