Best SEO Tools in 2026
Updated
In short: Ahrefs is ranked #1 of 245 as of 4 October 2026, ahead of Screaming Frog SEO Spider and Semrush. The best-ranked option with a free plan is Screaming Frog SEO Spider. The lowest first paid tier on this page is DefiniteSEO at $0.42/mo.
Search work can span finding keywords, checking sites, studying competitors, and tracking rankings. The order here begins with Ahrefs, Semrush, and SpyFu, followed by Outerank and Scaleo. Compare the tools on keyword research, backlink analysis, competitor research, site audit, and rank tracking; API access and tracked keywords offer additional points to weigh. A free plan or paid starting price can also matter when deciding how to get started. Consider which SEO tasks you need to handle, then use the ranked order and shared criteria to assess how each option fits your workflow.
245 SEO tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Ahrefs Top pick · 9.1 Free plan · $29/mo
#2 Screaming Frog SEO Spider Runner-up · 9.1 
#3 Semrush Also great · 9.0 
- Free plan apiWeb
- Free plan
- Yes
- Paid from
- $29/mo
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms$29/mofirst paid tier About AhrefsVisit site - Free plan apiLinuxmacOSWindows
- Free plan
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms - Free plan api
- Free plan
- Yes
- Paid from
- $117.33/mo
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms - Free planFree trial AndroidapiextensioniOSLinuxmacOSself-hostedWebWindows
- Free plan
- Yes
- Paid from
- $4.99/mo
RecognisedDocumentedFree planPlatforms$0.42/mofirst paid tier About DefiniteSEOVisit site - Free plan apiWeb
- Free plan
- Yes
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms - Free planFree trial apiextensionWeb
- Free plan
- No
- Paid from
- $39/mo
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms$19/mofirst paid tier About FraseVisit site - Free plan Web
- Free plan
- Yes
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
RecognisedDocumentedFree planPlatforms - Free plan api
- Free plan
- Yes
- Keyword research
- Yes
- Rank tracking
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms - Free plan api
- Free plan
- Yes
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms$4.08/mofirst paid tier About SEOPressVisit site - Free plan apiWeb
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms - Free planFree trial LinuxmacOSWindows
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms$11.58/mofirst paid tier About Screaming Frog SEO Log File AnalyserVisit site - Free plan api
- Free plan
- Yes
- Keyword research
- Yes
- Rank tracking
- Yes
RecognisedDocumentedFree planPlatforms$9.90/mofirst paid tier About Yoast SEOVisit site - Free plan api
- Free plan
- Yes
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms$29.08/mofirst paid tier About SEO PowerSuiteVisit site - Free plan apiWeb
- Free plan
- Yes
- Paid from
- $68/mo
- Keyword research
- Yes
RecognisedDocumentedFree planPlatforms$68/mofirst paid tier About Keyword ToolVisit site - apiWeb
- Free plan
- Yes
- Paid from
- $29/mo
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms$29/mofirst paid tier About SpyFuVisit site - Free trial extensionWeb
- Free plan
- No
- Paid from
- $20/mo
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms$6.58/mofirst paid tier About Moz ProVisit site - Free planFree trial api
- Free plan
- Yes
- Paid from
- $39/mo
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms$31/mofirst paid tier About OuterankVisit site - Free trial apiWeb
- Free plan
- No
RecognisedDocumentedFree planPlatforms - Free planFree trial macOSWindows
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms - Free trial Web
- Free plan
- Yes
- Paid from
- $29/mo
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms$29/mofirst paid tier About UbersuggestVisit site - Free planFree trial Web
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms - Free plan api
- Free plan
- Yes
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms£99/mofirst paid tier About Authoritas SEO PlatformVisit site - Free plan api
- Free plan
- Yes
- Paid from
- $23/mo
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms$23/mofirst paid tier About SurfaceableVisit site - Free plan api
- Free plan
- Yes
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms - api
- Free plan
- Yes
- Keyword research
- Yes
- Rank tracking
- Yes
- Site audit
- Yes
- Backlink analysis
- Yes
RecognisedDocumentedFree planPlatforms
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which SEO tool is ranked first on Everything Xiaomi?
Ahrefs is ranked #1 of 245 with a score of 9.1. Screaming Frog SEO Spider is second and Semrush third.
How many of these have a free plan?
20 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, DefiniteSEO has the lowest first paid tier we found: $0.42/mo.
How is this list ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.