Seobility: Easy online site audit with a useful free plan. People look for alternatives when they need a lower price, a free plan or a better fit for a specific job.
These 8 tools cover similar ground. Each entry explains who it suits, how pricing works and what to watch out for.
Key takeaways
Ahrefs: link building, competitor research and agencies that need reliable backlink data.
Ahrefs combines a backlink database, keyword research, site audits, rank tracking and content research. It is one of the two most widely used SEO suites, and its link data is a common reference point in the industry.
Paid
Paid plans. Free Ahrefs Webmaster Tools for sites you own.
Who it suits: Link building, competitor research and agencies that need reliable backlink data.
Search Console shows the queries people use to find your site, your clicks, impressions and average position, plus indexing problems, Core Web Vitals and manual actions. Every website should have it set up.
Moz Pro offers keyword research, link analysis, site crawls and rank tracking. Moz created the Domain Authority metric, which is still widely used to compare websites, and its learning resources are some of the best in SEO.
Free trial
Paid plans with a free trial. Free MozBar extension and limited free tools.
Who it suits: Beginners and small teams who value clear explanations and simple reports.
SE Ranking started as a rank tracker and grew into a full suite with audits, keyword research, backlinks and white-label reporting. It is a popular lower-cost alternative to the biggest suites, especially for agencies and freelancers.
Free trial
Paid plans with a free trial.
Who it suits: Freelancers and agencies who need solid features at a lower price.
Semrush covers SEO, paid search, content marketing, local listings and competitive research in one platform. Its keyword database and Site Audit tool are especially popular, and it adds marketing features most SEO-only tools do not have.
Freemium
Limited free account. Paid plans with a free trial.
Who it suits: Teams that want SEO, PPC and content research under one login.
Ubersuggest offers keyword ideas, content ideas, a basic site audit and rank tracking. It is aimed at beginners and small businesses who want simple SEO data without the price of a full suite.
Freemium
A few free searches per day. Paid plans for more.
Who it suits: Beginners and small business owners getting started with SEO.
Ahrefs Webmaster Tools gives you Ahrefs' Site Audit and Site Explorer for websites you can verify. It is one of the best free ways to run a full technical audit and see your backlinks.
Free
Free for websites you verify.
Who it suits: Site owners who want a professional audit for free.
Every tool on this list does the core job of SEO audit tools, so it can replace Seobility for most people.
We weighed pricing and free plans, ease of use, and the trade-offs you take on when switching.
Pricing comes from each vendor’s public pricing page and changes often, so confirm before you buy.
Buying guide: what to check before you switch
An SEO audit tool scans your website the way a search engine would and gives you a list of problems to fix: broken links, missing titles, duplicate content, slow pages, redirect chains and crawl errors. Some are free one-page checkers, others crawl millions of URLs and track issues over time.
How many pages it can crawl on the plan you can afford
Whether it explains why an issue matters and how to fix it
Scheduled re-crawls so you see when something breaks
Exports you can hand to a developer
Prices and features change often. Check each vendor’s website for current plans before you buy.
