Semrush
An all-in-one SEO and marketing suite covering research, audits and content
Best for: Agencies and serious marketers who need everything in one platform and can justify the investment
5 tools compared
Technical SEO & Site Audit Tools 2026
Technical SEO is invisible when it's working and devastating when it's not. A good site audit tool catches broken links, crawl errors, duplicate content and speed issues before Google does. Below are our picks, from free tools that cover the common checks to premium suites with deeper crawling and reporting.
The tools, one by one
Ahrefs
A backlink-focused SEO suite with keyword, audit and content tools
Best for: SEO professionals whose work centres on backlink analysis and who want detailed link data
Seobility
Technical SEO audit tool with a generous free tier
Best for: Site owners who need technical SEO auditing on a budget, or as a complement to keyword-focused tools
SE Ranking
Affordable all-in-one SEO platform that punches above its weight
Best for: Small agencies and freelancers who want Semrush-like features at a lower price
Moz Pro
Long-established SEO suite behind the Domain Authority metric
Best for: SEOs who value the DA metric and want a familiar, established platform with strong educational resources
Feature coverage
| Feature | Semrush | Ahrefs | Seobility | SE Ranking | Moz Pro |
|---|---|---|---|---|---|
| Keyword research | Included | Included | Not included | Included | Included |
| Backlink analysis | Included | Included | Included | Included | Included |
| Rank tracking | Included | Included | Included | Included | Included |
| Site audit | Included | Included | Included | Included | Included |
| Content tools | Included | Included | Not included | Included | Not included |
| Competitor analysis | Included | Included | Not included | Included | Included |
| Local SEO | Included | Not included | Not included | Included | Included |
| Reporting | Included | Included | Included | Included | Included |
| White-label reports | Included | Not included | Not included | Included | Not included |
| API access | Included | Included | Not included | Included | Included |
Coverage as recorded in our tool data; depth varies by plan. Swipe sideways to see every tool.
- Partly checkedSemrush: prices read from semrush.com on .
- Partly checkedAhrefs: prices read from ahrefs.com on . Shown in GBP as the vendor displayed it; not converted.
- Partly checkedSeobility: prices read from seobility.net on . Shown in EUR as the vendor displayed it; not converted.
- Partly checkedSE Ranking: prices read from seranking.com on . Shown in GBP as the vendor displayed it; not converted.
- Partly checkedMoz Pro: prices read from moz.com on .