We reviewed every major on-page SEO audit tool so you don't have to. Compare pricing, features, and see exactly which tool fits your workflow.
Google Search Console gives you official data straight from Google — crawl errors, indexing issues, Core Web Vitals. Nothing approximates this.
Semrush combines a 300,000-page crawler, competitor analysis, and 140+ pre-configured checks — the industry standard for agencies and teams.
Screaming Frog gives SEO specialists granular control over crawl settings, custom extraction, and raw data export. No web app beats it on depth.
Seobility scans your entire website for free — no credit card, no account. Weekly automatic crawls and clear recommendations make it a standout.
Surfer SEO scores your content against top-ranking competitors in real time while you write. The best tool for writers who want data-driven optimization.
SE Ranking packs enterprise-level auditing — 80+ parameters, daily crawls, white-label reports — at a price small businesses can actually afford.
Website Masters BG delivers SEO-first web design for Bulgarian businesses — technical audits, speed optimisation, and content strategy included.
| # | Tool | Score | Pricing | Type | Free Tier | Site Crawl | Content Audit | Competitor Analysis | Best For | |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | RankYak | B |
$99/mo | Freemium | ✓ 3-day trial | ✓ | ✓ | ✓ | SMBs without SEO teams | Details → |
| 2 | Semrush | A |
$139.95/mo | Freemium | ✓ 7-day trial | ✓ | ✓ | ✓ | Mid-large teams & agencies | Details → |
| 3 | Ahrefs | A |
$129/mo | Paid | — $7 trial | ✓ | ✓ | ✓ | Content teams & SEO specialists | Details → |
| 4 | SE Ranking | B |
$52/mo | Freemium | ✓ 14-day trial | ✓ | ✓ | ✓ | SMBs & agencies | Details → |
| 5 | Screaming Frog | A |
$259/yr | Freemium | ✓ 500 URLs free | ✓ | — | — | Technical SEO specialists | Details → |
| 6 | SEOptimer | B |
$29/mo | Freemium | ✓ Limited | ✓ | ✓ | — | Small agencies & consultants | Details → |
| 7 | Seobility | B |
Free / $50/mo | Free | ✓ Full free tier | ✓ | ✓ | — | Small businesses & bloggers | Details → |
| 8 | AIOSEO Analyzer | B |
$49.50/yr | Freemium | ✓ Free plugin | ✓ | ✓ | — | WordPress site owners | Details → |
| 9 | SEO Site Checkup | C |
Free / $34.95/mo | Free | ✓ No signup | — | — | — | Quick spot checks | Details → |
| 10 | SEOmator | B |
$29.99/mo | Freemium | ✓ Free trial | ✓ | ✓ | ✓ | Ongoing monitoring | Details → |
| 11 | Siteimprove | B |
Custom | Paid | — | ✓ | ✓ | — | Enterprise & governments | Details → |
| 12 | Clearscope | B |
$189/mo | Paid | — | — | ✓ | ✓ | Content teams & editors | Details → |
| 13 | Surfer SEO | B |
$79/mo | Paid | — 7-day guarantee | — | ✓ | ✓ | Content marketers | Details → |
| 14 | Google Search Console | A |
Free | Free | ✓ Always free | ✓ | — | — | Every website owner | Details → |
| 15 | PageSpeed Insights | A |
Free | Free | ✓ Always free | — | — | — | Page speed optimisation | Details → |
| 16 | The HOTH Free SEO Audit | C |
Free | Free | ✓ No signup | — | — | — | Freelancers & quick checks | Details → |