9 Best SEO Tools of 2026
By the KeenVerdict research desk · Updated November 6, 2026 · Next review December 21, 2026 · 9 products scored
Our verdict
Semrush is the safest choice for a team that wants research, rank tracking, audits and AI visibility in one place. Ahrefs is close behind and is the pick when backlinks and competitor research drive the work, and SE Ranking gives agencies daily tracking across many projects for less. Moz Pro suits small teams with a few sites, Serpstat adds API access cheaply, and SpyFu is best for competitor keyword and ad history. Mangools and Ubersuggest are the easiest for beginners, and Screaming Frog is the crawler to add when technical audits need more depth.
The short answer
Semrush is the best SEO tool for in-house marketers and agencies in 2026, with an SEO plan from $139 per month; Ahrefs suits teams focused on backlinks and competitor research; Ahrefs Starter and Ubersuggest are the cheapest paid options at $29 per month.
This list is for in-house marketers and agencies choosing one suite for keyword research, rank tracking, backlink analysis and site audits. We compared documented features and published prices for 9 tools and scored each on features, ease of use and value. Prices are the cheapest paid plan in US dollars as shown on the vendor's own pages when we checked; where a page showed us only euros or pounds, the price is marked as pending. Limits on tracked keywords, projects and users matter more than the headline price, so compare plans at the size you need.
By the numbers
- 83%83% of small businesses had a website in a 2025 Clutch survey, up from 64% in 2018.Source: Clutch
- 79.01%79.01% of EU enterprises with 10 or more employees had a website in 2025, from 76.66% of small enterprises to 95.65% of large ones, according to Eurostat.Source: Eurostat
- 8%US Google users who saw an AI summary clicked a traditional search result in 8% of visits in March 2025, against 15% when no summary appeared, according to Pew Research Center browsing data from 900 adults.Source: Pew Research Center
- 61%61% of US consumers started their online search for a local business with Google in 2026 (52% Google search, 9% Maps), and 71% used Google at some point, according to BrightLocal.Source: BrightLocal
- 41%DIY builders such as Wix and Squarespace powered 41% of small business websites in the 2025 Clutch survey, while 34% used WordPress or Shopify and 12% were custom-built.Source: Clutch
- 48%48% of mobile websites and 56% of desktop websites had good Core Web Vitals in 2025, according to HTTP Archive's Web Almanac.Source: HTTP Archive
The ranking at a glance
- 1AhrefsSEO specialists and agencies who rely on backlink analysis and competitor research.8.6
- 2SemrushIn-house marketing teams and agencies that want one suite for SEO research, rank tracking, audits and reporting.8.6
- 3SE RankingAgencies and growing teams that want broad SEO coverage and daily rank tracking without enterprise pricing.8.5
- 4Moz ProSmall businesses and in-house marketers who want a familiar suite with clear plan limits.8.3
- 5SerpstatBudget-conscious agencies and freelancers that want API access and high limits per dollar.8.3
- 6SpyFuMarketers who run both SEO and Google Ads and want competitor keyword history at a low price.8.3
- 7MangoolsSolo marketers and small teams who want simple keyword research and rank tracking.8.2
- 8Screaming Frog SEO SpiderTechnical SEOs and agencies auditing site structure in depth, alongside a research suite.8.1
- 9UbersuggestSmall business owners managing one to a few websites on a tight budget.8.0
How we scored
Every product gets the same three scores out of 10. We compared documented features and published prices; we did not run hands-on tests.
- 40%Features
- 30%Ease of use
- 30%Value
No. 1, our pick
AhrefsSEO platform built around a large backlink and keyword index, with Site Explorer, Keywords Explorer, Rank Tracker and Site Audit.
8.6of 10Best for SEO specialists and agencies who rely on backlink analysis and competitor research.
- Features
- 9.4
- Ease of use
- 8.4
- Value
- 7.6
Price
Free plan for site owners; Starter from $29 per month; Lite from $129 per month
Quoted from the Ahrefs pricing page on November 6, 2026:
$ 29 / mo Get started Ahrefs Free Get Ahrefs data on your site
Ahrefs is the pick for teams whose SEO work centers on links and competitor research. Its pricing page lists Starter at $29 per month for keyword lookups and competitor checks, and Lite at $129 per month, which opens the full Site Explorer, Keywords Explorer, Rank Tracker and Site Audit with 750 tracked keywords, 100,000 crawl credits and 6 months of history. Standard at $249 per month raises tracking to 2,000 keywords, extends history to 2 years and adds Content Explorer, batch analysis, broken link reports and SERP comparison. Ahrefs Free gives verified site owners limited Site Explorer and Site Audit access at no cost, which suits small businesses checking their own site. The weak points are history limits on Lite, per-user fees from $40 per month and no free trial, since Ahrefs says it never runs discounts or trials. Teams that need more than a few seats should price Standard or Advanced from the start.
What works
- +Ahrefs Free gives verified site owners limited Site Explorer and Site Audit access
- +Starter at $29 per month is the cheapest verified paid entry on this list
- +Annual billing saves up to 17%
What does not
- −Lite at $129 per month keeps only 6 months of historical data
- −Ahrefs states it never runs discounts or free trials
- −Extra users cost $40 to $100 per month each
- Free plan
- Yes, Ahrefs Free for website owners
- Paid plans
- Starter, Lite, Standard, Advanced, Enterprise
- Annual discount
- Up to 17%
No. 2
SemrushSearch marketing suite covering keyword research, competitor analysis, position tracking, site audits, backlinks and AI search visibility.
8.6of 10Best for In-house marketing teams and agencies that want one suite for SEO research, rank tracking, audits and reporting.
- Features
- 9.6
- Ease of use
- 8.4
- Value
- 7.4
Price
Free plan with 10 reports a day; SEO plan $139 per month, or $117.33 per month billed annually
Quoted from the Semrush pricing page on November 6, 2026:
$ 117 . 33 /mo billed annually instead of $ 139 monthly
Semrush is the most complete suite here for teams that research, track and fix search performance in one place. The SEO plan, at $139 per month or $117.33 per month on annual billing, covers 5 websites and 500 keywords tracked daily, with Position Tracking, Site Audit and basic keyword and competitor research. The Starter tier at $199 per month adds fuller keyword and competitor tools plus MCP access, and Pro+ at $299 per month raises limits to 15 sites and 1,500 keywords and adds historical data, content optimization, cannibalization analysis and multi-location tracking. AI search tracking is built into the plans, with prompt monitoring and AI visibility reports. The trade-off is cost as a team grows: extra users start at $45 per month and white-label reports are a $20 add-on. A free plan with 10 reports a day and a 7-day trial make it easy to test before committing.
What works
- +The widest set of research, tracking and audit tools on this list
- +A 7-day free trial and a permanent free plan for light use
- +Annual billing cuts the SEO plan from $139 to $117.33 per month
What does not
- −Extra users start at $45 per month each
- −Historical data and content optimization need Pro+ at $299 per month
- −Reporting and agency lead generation are paid add-ons
- Free plan
- Yes, 1 demo project and 10 reports per day
- Paid plans
- SEO, Starter, Pro+, Advanced
- Free trial
- 7 days
No. 3
SE RankingSEO platform with rank tracking, keyword, competitor and backlink research, website audits, local marketing and AI visibility tracking.
8.5of 10Best for Agencies and growing teams that want broad SEO coverage and daily rank tracking without enterprise pricing.
- Features
- 8.6
- Ease of use
- 8.6
- Value
- 8.2
SE Ranking gives agencies and in-house teams most of what the larger suites offer with simpler plan limits. Its Core plan includes 10 projects, 1 manager seat, 2,000 keywords tracked daily and 250,000 audited pages a month, along with unlimited keyword, competitor and backlink research, on-page audits, local and content marketing tools, and AI visibility tracking for 25 prompts a day across 5 AI engines. Growth raises the limits to 30 projects, 3 manager seats and 5,000 daily keywords, and adds lifetime historical data and guest links for sharing with clients. Integrations with Looker Studio, Matomo, Google Analytics and Search Console are part of Core, which helps agencies that report outside the tool. The pricing page showed us euro prices, so we could not confirm a US dollar figure. A 14-day free trial without a credit card makes it easy to compare against Semrush on your own sites.
What works
- +Core includes 10 projects and daily tracking for 2,000 keywords
- +14-day free trial with no credit card required
- +Looker Studio, GA and GSC integrations on Core
What does not
- −USD prices were not shown to us, so the price check is pending
- −Core includes only 1 manager seat
- −Historical data across the project lifetime needs Growth
- Free trial
- 14 days, no credit card
- Paid plans
- Core, Growth, Enterprise
- Annual discount
- 20%
No. 4
Moz ProSEO toolset with Keyword Explorer, Link Explorer, rank tracking, site crawls and AI visibility dashboards.
8.3of 10Best for Small businesses and in-house marketers who want a familiar suite with clear plan limits.
- Features
- 8.4
- Ease of use
- 8.6
- Value
- 7.8
Price
Starter from $49 per month for one website; Standard $99 per month or $79 per month billed yearly
Quoted from the Moz Pro pricing page on November 6, 2026:
Our entry-level plan is available for $49/month.
Moz Pro suits marketers who manage a few sites and want straightforward limits. The entry Starter plan costs $49 per month and is aimed at individuals with a single website. Standard costs $99 per month, or $79 per month on yearly billing, and includes 1 user, 3 tracked sites, 300 tracked keywords and 400,000 crawled pages a month, plus AI visibility features such as 150 tracked prompts across GPT, Gemini and Google AI Mode and 2 AI content briefs a month. Medium, at $179 per month, adds a second user, 10 sites and 1,500 keywords, and is the plan Moz marks as most popular. A free Moz Community account gives limited access to MozBar, Keyword Explorer and Link Explorer. The weak points are low keyword allowances on Standard, $49 per month for each extra seat and add-on fees for more campaigns or keywords. For a small in-house team it is easy to budget and easy to learn.
What works
- +$49 per month Starter is a low-cost way into Moz Pro
- +Yearly billing saves 20% on the main plans
- +A free Moz Community account gives limited MozBar, Keyword Explorer and Link Explorer access
What does not
- −Standard tracks only 300 keywords
- −Extra user seats cost $49 per month each
- −Site re-crawls are not included on Standard
- Free access
- Limited, through a free Moz Community account
- Paid plans
- Starter, Standard, Medium, Large
- Annual discount
- 20%
No. 5
SerpstatSEO platform with keyword research, site and backlink analysis, a rank tracker, site audit and AI visibility checks.
8.3of 10Best for Budget-conscious agencies and freelancers that want API access and high limits per dollar.
- Features
- 8.3
- Ease of use
- 7.9
- Value
- 8.6
Price
Individual from $50 per month; annual billing saves up to 27%
Quoted from the Serpstat pricing page on November 6, 2026:
Individual $50 /mo SAVE $228 ANNUALLY
Serpstat packs a lot of data into its lower tiers. Individual costs $50 per month and includes keyword research, site analysis, a rank tracker, site audit and backlink analysis, with 5 projects, 100 searches a day, 10,000 keyword position checks and 30,000 audited pages a month. Rank tracking updates daily and covers organic and paid positions on desktop and mobile. Team, at $100 per month, adds unlimited projects, 3 users, API access, MCP integration with ChatGPT and Claude, batch analysis, keyword lists, scheduled reports and 1,500 AI visibility checks a month. Agency at $410 per month adds white-label reports and 30 users. The interface is denser than Moz or Mangools, and Individual lacks JavaScript rendering, AI tools and long data retention. Annual billing saves up to 27%, and a 7-day trial lets you test the data quality on your own market first.
What works
- +Individual covers the five core SEO tools for $50 per month
- +Team includes 3 users and unlimited projects
- +A 7-day free trial is available
What does not
- −Individual has no API access, keyword lists or AI tools
- −JavaScript rendering in Site Audit needs Team
- −Individual has the shortest data retention of the four plans
- Free trial
- 7 days
- Paid plans
- Individual, Team, Team x2, Agency
- Annual discount
- Up to 27%
No. 6
SpyFuCompetitor research tool for SEO and Google Ads with keyword and backlink searches, rank tracking, site audit and 10+ years of history.
8.3of 10Best for Marketers who run both SEO and Google Ads and want competitor keyword history at a low price.
- Features
- 7.9
- Ease of use
- 8.4
- Value
- 8.6
Price
Basic $39 per month; annual billing saves 25%
Quoted from the SpyFu pricing page on November 6, 2026:
BASIC MONTHLY PLAN $ 39 /month
SpyFu is built for competitor research across both organic search and Google Ads. Basic costs $39 per month and includes 10,000-row search results and exports, 10+ years of historical data, 1 live site tracking project, a site audit with 50,000 crawl pages a month, 5,000 weekly tracked keyword rankings and 10 automated reports. Pro + AI is $59 for the first month and $119 per month after that, removing the row caps and adding 10 tracking projects, 500,000 crawl pages and 15,000 tracked rankings. Team/Agency costs $249 per month with 5 users. Every plan includes pre-built Google Ads campaigns, GSC integration and white-labeled reporting. The limits are weekly rather than daily rank updates and lighter backlink and audit depth than Semrush or Ahrefs. Annual billing saves 25%, and SpyFu offers a 30-day money back guarantee instead of a free trial.
What works
- +Basic at $39 per month is among the cheapest verified plans here
- +10+ years of organic ranking and ad history
- +30-day money back guarantee
What does not
- −Basic caps search results and exports at 10,000 rows
- −Rank tracking updates weekly, not daily
- −Pro + AI rises to $119 per month after the first month
- Money back
- 30 days
- Paid plans
- Basic, Pro + AI, Team/Agency
- Annual discount
- 25%
No. 7
MangoolsBundle of SEO tools including KWFinder, SERPChecker, SERPWatcher, LinkMiner, SiteProfiler and AI Search Watcher.
8.2of 10Best for Solo marketers and small teams who want simple keyword research and rank tracking.
- Features
- 7.5
- Ease of use
- 9.1
- Value
- 8.3
Mangools is a set of single-purpose SEO tools that are easy to pick up. KWFinder handles keyword research, SERPChecker analyzes search results, SERPWatcher tracks rankings, LinkMiner covers backlinks and SiteProfiler summarizes domains, with AI Search Watcher added for AI answer monitoring. The Basic plan allows 100 keyword lookups a day, 200 tracked keywords, 100,000 backlink rows a month and 20 site analyses a day, with weekly rank updates and no extra seats. Premium raises these limits and adds 3 extra seats, while Agency allows 1,500 tracked keywords with daily updates and 5 extra seats. Every plan includes API and MCP access. Mangools has no full site crawler, so technical audits need another tool. Annual billing saves about 35%, and a 48-hour money back guarantee replaces a long trial. The pricing page showed us euro prices, so our US dollar check is pending.
What works
- +Five focused tools that are quick to learn
- +API and MCP access on every plan
- +48-hour money back guarantee
What does not
- −Basic updates rankings weekly; daily updates need Agency
- −Basic has no extra seats
- −USD prices were not shown to us, so the price check is pending
- Money back
- 48 hours
- Paid plans
- Basic, Premium, Agency
- Annual discount
- About 35%
No. 8
Screaming Frog SEO SpiderDesktop website crawler for technical SEO audits, from broken links and redirects to structured data and JavaScript rendering.
8.1of 10Best for Technical SEOs and agencies auditing site structure in depth, alongside a research suite.
- Features
- 8.2
- Ease of use
- 7.0
- Value
- 9.0
Price
See vendor pricing (USD check pending)
US price check pending. See the Screaming Frog SEO Spider pricing page.
Screaming Frog SEO Spider is a desktop crawler rather than a full suite, and it earns a place because site audits are one of the four jobs this list covers. The free version crawls up to 500 URLs, which is enough for many small sites. A yearly licence per user removes that limit, with the ceiling set by your machine's memory and storage. The documented feature set includes scheduling, crawl comparison, JavaScript rendering, custom extraction, spelling and grammar checks, and Google Analytics, Search Console and PageSpeed Insights integrations. It reports broken links, redirects, page titles, meta robots, hreflang, structured data and near-duplicate content. The interface is technical and data-heavy, so it suits SEO specialists more than general marketers. There is no keyword research, backlink index or rank tracking, so most teams pair it with Semrush, Ahrefs or SE Ranking. The pricing page showed us pounds and euros, so our US dollar check is pending.
What works
- +Free version crawls up to 500 URLs
- +A paid licence removes the crawl limit, subject to memory and storage
- +Bulk discounts from 5 licences
What does not
- −A crawler only, with no keyword research or rank tracking
- −Licences are per user and renew yearly
- −Large crawls depend on your computer's memory and storage
- Free version
- Yes, up to 500 URLs
- Licence
- Per user, 1 year
- Bulk discount
- From 5 licences
Visit screamingfrog.co.uk|Read the full Screaming Frog SEO Spider review
No. 9
UbersuggestSEO tool for keyword research, rank tracking, site audits, backlinks and AI search visibility, aimed at small businesses.
8.0of 10Best for Small business owners managing one to a few websites on a tight budget.
- Features
- 7.0
- Ease of use
- 8.8
- Value
- 8.4
Price
Paid plans from $29 to $99 per month; lifetime plans also sold
Quoted from the Ubersuggest pricing page on November 6, 2026:
Ubersuggest logo US$ 29 - US$ 99
Ubersuggest is the simplest and cheapest suite on this list for a small business doing its own SEO. Its pricing page puts paid plans between $29 and $99 per month, and it also sells lifetime plans as a one-time payment. The Individual plan covers 1 project with 150 reports a day, 125 tracked keywords with weekly updates, 1,000 site audit page scans per project and 200 monthly credits, while Business manages 2 to 7 websites with 2 users. Keyword research includes AI suggestions plus ChatGPT and Gemini insights, and backlink reports cover 3 years of link history with new and lost links over 30 days. A step-by-step training course and templates help beginners. Data depth, export limits and weekly tracking are well behind Semrush or Ahrefs, so agencies will outgrow it. A free account and a 7-day trial on monthly plans let you try it first.
What works
- +Paid plans run from $29 to $99 per month
- +Lifetime plans are sold as a one-time payment
- +A free account and a 7-day free trial on monthly plans
What does not
- −Rank tracking updates weekly
- −Individual is limited to 1 project and 150 reports a day
- −Backlink rows per report are capped at 2,000 to 10,000
- Free account
- Yes, with limited features
- Paid plans
- Individual, Business, Enterprise
- Free trial
- 7 days on monthly plans
Before you choose
Price the plan at your real limits
Entry prices hide the limits that matter: tracked keywords, projects, audited pages and users. Semrush's SEO plan tracks 500 keywords, Moz Standard 300 and SE Ranking Core 2,000 a day, so list your sites and keyword counts before comparing prices.
Check how often rankings update
Semrush, SE Ranking and Serpstat update rankings daily, while SpyFu, Ubersuggest and Mangools Basic update weekly. Agencies reporting to clients or watching volatile keywords should favor daily tracking.
Count the seats
Most suites include one user on the entry plan and charge for more. Extra seats cost $45 per month at Semrush, $40 to $100 at Ahrefs and $49 at Moz, while Serpstat Team includes 3 users and SpyFu Team/Agency includes 5.
Plan for technical audits
Every suite here except Mangools includes a site audit, but crawl limits vary widely. For large or JavaScript-heavy sites, add a dedicated crawler such as Screaming Frog, which is free for up to 500 URLs.
Questions readers ask
- What is the best SEO tool for agencies?
- Semrush for most agencies, because it combines keyword research, rank tracking, site audits and branded reporting. SE Ranking is a lower-cost alternative with 2,000 keywords tracked daily on Core, and Serpstat Team includes 3 users and API access for $100 per month.
- Is Ahrefs or Semrush better?
- Semrush scores slightly higher overall for its broader toolset and free plan with 10 reports a day. Ahrefs is the better choice when backlink analysis and competitor research matter most, and Ahrefs Free gives site owners limited Site Explorer and Site Audit access.
- What is the cheapest SEO tool?
- Among verified US dollar prices, Ahrefs Starter and Ubersuggest start at $29 per month, followed by SpyFu Basic at $39 and Moz Pro Starter at $49. Screaming Frog's crawler is free for up to 500 URLs.
- Are there free SEO tools?
- Yes. Semrush has a free plan with 10 reports a day, Ahrefs Free covers Site Explorer and Site Audit for verified site owners, Ubersuggest offers a free account, Moz has a free Community account and Screaming Frog crawls up to 500 URLs for free.
- Do I need a separate site audit tool?
- Not for most sites, since Semrush, Ahrefs, SE Ranking, Moz, Serpstat, SpyFu and Ubersuggest include a site audit. Teams auditing very large or JavaScript-heavy sites often add Screaming Frog SEO Spider for deeper technical checks.
Questions or corrections: editorial@keenverdict.com
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