Ahrefs
SEO · Paid, from around $129/mo
A backlink index, site crawler and rank tracker built around one of the largest link databases in the category.
SEO
Technical, on-page and link tooling.
29 articles
Articles
SEO 
9 Best SEO Audit Tools in 2026: Which Is Actually Worth Paying For?
Almost every SEO audit tool can find something wrong with a website. Across agency SEO work, the difficult part is rarely generating…
29 min
30 reads
SEO
7 Best Free Keyword Research Tools in 2026: What Can You Actually Do for $0?
We compared what the free versions actually give you, where their limits start to matter and which tools we would combine before…
17 min
26 reads
SEO
7 Best Free SEO Audit Tools in 2026: Their Limits and the $0 Stack We’d Use
What each free SEO audit option actually gives you, where its limits start to matter and how we’d combine them before paying…
21 min
27 reads
SEO
Google Keyword Planner for SEO in 2026: Which Numbers Can You Actually Trust?
Google Keyword Planner, Semrush, Ahrefs and other SEO platforms can show different numbers for the same keyword. The trick is knowing what…
17 min
27 reads
SEO
7 Best SEO Tools in 2026: What’s Actually Worth Paying For?
Tested picks for solo marketers, in-house teams and agencies, from $0 stacks to full SEO, content and GEO platforms. Search for the…
21 min
30 reads
SEO
Technical SEO crawlers compared: what each one actually finds
Nine crawlers, one deliberately broken staging site, one scorecard — a working framework for choosing between them.
3 min
58 reads
SEO
Internal linking tools, judged on whether they understand context
Most automated internal linking is keyword matching wearing a trench coat. A few tools do something genuinely smarter.
1 min
44 reads
SEO
Keyword research is not dead, but your volume column needs re-baselining
Zero-click growth broke the relationship between search volume and traffic. Here is how to rebuild your forecasting.
2 min
47 reads
SEO
Log file analysis: a practical guide for people who are not sysadmins
Server logs are the only unfiltered record of how crawlers behave. A handful of tools make them readable.
1 min
47 reads
Tools in this category
Screaming Frog
SEO · Paid, around £199/yr
A desktop site crawler for forensic technical audits, with deep configuration and integrations for log and analytics data.
Semrush
SEO · Paid, from around $139/mo
A broad marketing suite spanning organic research, paid research, content tooling and reporting in a single account.
Comparisons
Semrush vs Ahrefs
Two broad SEO suites with different centres of gravity. Planned comparison.
Semrush vs Ahrefs
Planned — not published yet