Best SEO Tools

The best SEO tools ranked by data quality, usability, and value. Ahrefs and Semrush lead on raw data, but the cheaper picks below cover most teams' needs for a fraction of the price.

1Ahrefs logo
Ahrefs

SEO toolset with the best backlink index

4.6(7,400)Paid

Ahrefs is renowned for the largest backlink database and an excellent Site Explorer. A favourite of SEO professionals for link analysis and content research, and now far more accessible thanks to a $29 Starter plan.

$29/mo
Visit
2Semrush logo
Semrush

All-in-one SEO & marketing toolkit

4.5(9,800)Paid

Semrush is a comprehensive SEO and marketing platform covering keyword research, site audits, rank tracking, and competitor analysis. The category leader for serious marketers, with the largest keyword database of any suite — and a price tag to match.

$199/mo
Visit
3SE Ranking logo
SE Ranking

Agency-grade SEO platform with white-label reporting

4.8(1,432)Paid

SE Ranking packs keyword research, rank tracking, competitor analysis, and white-label client reporting into one platform built for agencies. It is the highest-rated tool in this category on G2, though its entry price rose sharply when the old Essential tier was retired.

$129/mo
Visit
4Mangools logo
Mangools

The friendliest keyword research UX in SEO

4.7(95)Paid

Mangools bundles KWFinder, SERPChecker, SERPWatcher, LinkMiner, and SiteProfiler behind the cleanest interface in the category. It is the tool people recommend when someone finds Semrush overwhelming — though it is no longer the budget pick it once was.

$61/mo
Visit
5Moz Pro logo
Moz Pro

Veteran SEO suite built around Domain Authority

4.3(606)Paid

Moz Pro is one of the longest-running SEO platforms, best known for inventing the Domain Authority metric. It pairs solid rank tracking and site crawls with the industry's best learning resources, making it a gentle on-ramp for teams new to SEO.

$49/mo
Visit
6Serpstat logo
Serpstat

Broad SEO and PPC suite at mid-market pricing

4.6(464)Paid

Serpstat covers keyword research, backlinks, rank tracking, site audit, and PPC research in a single growth-stack platform, with API access from mid tiers. Good breadth for the money, wrapped in an interface that shows its age.

$50/mo
Visit
7SpyFu logo
SpyFu

Competitor PPC and SEO espionage

4.6(517)Paid

SpyFu specialises in showing you exactly what competitors have bought and ranked for, with more than a decade of historical ad data. Unmatched for PPC intelligence at the price, and weakest where backlinks are concerned.

$39/mo
Visit
8Screaming Frog logo
Screaming Frog

The industry-standard technical SEO crawler

4.7(96)Freemium

Screaming Frog SEO Spider is a desktop crawler that technical SEOs reach for when they need to find broken links, redirect chains, duplicate titles, and rendering problems at scale. It sells as a flat annual licence and crawls up to 500 URLs free.

Free
Visit
9Ubersuggest logo
Ubersuggest

Budget SEO built for beginners

4.2(153)Freemium

Neil Patel's Ubersuggest is the cheapest way into keyword research and rank tracking, and the only major SEO tool sold as a one-time lifetime licence. Data depth trails the leaders, but for solo founders and bloggers the price is hard to argue with.

$12/mo
Visit
10Similarweb logo
Similarweb

Enterprise market and traffic intelligence

4.5(1,577)Enterprise

Similarweb estimates traffic, audience, and market share for any website or app, making it the reference tool for competitive benchmarking rather than day-to-day SEO. Pricing is quote-only and firmly enterprise.

Custom
Visit
Editor's choice
Ahrefs logo

Ahrefs

4.6(7,400)

SEO toolset with the best backlink index

From $29/mo
Try Ahrefs

Side-by-side comparison

Comparison
Ahrefs logoAhrefsBest choice
Rating4.64.54.84.7
Starting price$29/mo$199/mo$129/mo$61/mo
Pricing modelPaidPaidPaidPaid
API available
Best forSEO professionalsMarketers & agenciesSEO agenciesFreelancers & small teams
Site Explorer
Keywords Explorer
Content Explorer
Rank Tracker
Site Audit
Keyword research
Site audit
Rank tracking
Backlink analysis
Content tools
Competitor research
White-label reports
KWFinder
SERPChecker
SERPWatcher
LinkMiner
SiteProfiler
VisitVisitVisitVisit

Frequently asked questions

What is the best seo tools?+

Ahrefs is our #1 pick, rated 4.6/5. The full ranked list with pricing and trade-offs is above.

How did you rank these tools?+

Rankings weigh user ratings, feature depth, pricing value, and fit for the use case. We update them as products evolve.

Compare the top picks