An SEO audit tool fetches your pages and reports what stops them ranking: indexability, canonicals, titles, broken links, speed and structured data. Some crawl a whole site; others check one page in seconds. Here are both kinds, with real prices.
Technical audit (can AI crawlers reach and read you)
A free one-page technical SEO audit that also covers AI search: indexability, canonical, titles, headings, sitemap, internal links, structured data and speed, plus whether Google, ChatGPT, Claude and Perplexity can crawl and read the page, with the exact fix for each issue.
- Best for
- A free, fast technical audit of a page for Google and AI search, with fixes you can hand to a developer
- Starting price
- Free audit; full report ₹499 (one-time); Pro ₹1,499/month; Agency ₹4,999/month
- Free plan or trial
- Yes: the full audit, every check's status and the top 3 fixes, no account
- Engines
- Checks access for ChatGPT search, Claude, Perplexity, Google AI Overviews/AI Mode, Bing/Copilot and 25 more crawlers
- Agency / white-label
- Yes: Agency ₹4,999/month (white-label reports, branded widget, lead capture)
- Limits to know
- Audits one page at a time; no keyword database, backlink index or rank tracking
Run a free audit
All-in-one SEO suite
Ahrefs is an SEO suite built around Site Explorer, Keywords Explorer, Site Audit and Rank Tracker, backed by its own web crawler. Brand Radar AI, an add-on, tracks brand mentions across AI prompts.
- Best for
- deep backlink and keyword data from a large independent crawler
- Starting price
- Starter: $29/mo (renews monthly only); Lite: $129/mo; Ahrefs Free: Free
- Free plan or trial
- Yes. Ahrefs Free (formerly Ahrefs Webmaster Tools) is free for verified websites and includes Web Analytics, Site Audit (5K crawl credits/month per project) and Site Explorer (1K backlinks and keywords visible at once). The pricing page doesn't describe a free trial of the paid plans.
- Agency / white-label
- Partly. No white-label language on the pricing page. Advanced includes an "Agency directory listing", and the Report Builder add-on costs $99/mo.
- Limits to know
- Starter: 200 credits/month, 50 Rank Tracker keywords, 1 unverified project, 1 month of history; extra users and credits can't be bought, and it renews monthly only. Lite: 5 non-verified projects, 750 tracked keywords, 150 AI prompt checks, 100,000 crawl credits, 6 months of history, up to 2 extra users at $40/mo each. Enterprise: annual commitment required. Brand Radar AI is an add-on from $199/mo. Annual billing saves "up to 17%".
Ahrefs pricing (vendor's site)
All-in-one SEO suite
Conductor is an enterprise SEO and answer engine optimization platform with content creation, search and AI visibility intelligence, site monitoring and tools for AI agents.
- Best for
- an enterprise team that needs SEO and AI visibility across many sites and markets
- Starting price
- Not published (usage-based tiers; Essentials has a free trial)
- Free plan or trial
- Yes. Try the Essentials plan for free, plus a free AI visibility check.
- Agency / white-label
- No. It's aimed at in-house teams; no agency plan is listed.
- Limits to know
- Prices are by quote, and the Enterprise tier goes through sales
Conductor pricing (vendor's site)
All-in-one SEO suite
Moz Pro is an SEO suite with keyword research, rank tracking, site crawls, link research and AI visibility tracking, built around Moz metrics such as Domain Authority. MozBar, its free browser extension, shows those link metrics and on-page elements while you browse.
- Best for
- Domain Authority link metrics plus a free SEO toolbar
- Starting price
- Starter: $49/month; Standard: $99 USD/mo, or $79/mo when paid yearly. MozBar: Free
- Free plan or trial
- Yes. Moz Pro has a 7-day free trial (signup page: "Free for 7-days!"). MozBar is a free Chrome and Firefox extension, and a free Moz Community account gives limited access to MozBar, Keyword Explorer and Link Explorer.
- Agency / white-label
- Partly. Branded Reports are included on the Medium and Large plans, not Standard. There is no dedicated agency plan on the pricing page; agencies are pointed to Moz Enterprise and an Agency Solutions page.
- Limits to know
- Standard: 1 user, 3 tracked sites, 300 tracked keywords, 400K pages crawled per month, 150 keyword queries per month, 150 tracked prompts (weekly). Starter is "designed specifically for individuals managing a single website". Extra seats cost $49/mo each. Site Re-crawls aren't on Standard. MozBar Premium features (Brand Authority, Ranking Keywords, Domain Overview) need a Moz Pro subscription.
Moz Pro pricing (vendor's site)
All-in-one SEO suite
SE Ranking is an SEO and GEO platform with rank tracking, keyword and competitor research, a backlink checker, a website audit and AI search tracking (AI Overviews, AI Mode, ChatGPT, Gemini).
- Best for
- an all-in-one SEO suite with a low-cost white-label add-on for agencies
- Starting price
- Core: $129.00/mo, or $103.20/mo with annual billing ("Save 20%")
- Free plan or trial
- Yes. Free 14-day trial, no credit card required, with starter limits: 10 projects, 750 tracked keywords per day, 20 AI prompts per day and AI competitive research for 3 domains. No free plan.
- Agency / white-label
- Yes. The Agency Pack add-on costs +$69.00/mo, annual billing only. It includes 30 client seats, white label for the platform and reports, unlimited scheduled reporting with AI summaries, Agency Catalog placement and Lead Generator.
- Limits to know
- Core: 10 projects, 1 manager seat, 2k keywords and 100 prompts tracked daily, 5 GEO research domains, 250k pages per month in audit, 6 months of history. Extra manager seats from $16. The AI Search add-on is +$71.20/mo on annual billing. The Agency Pack and API add-ons are annual-only.
SE Ranking pricing (vendor's site)
All-in-one SEO suite
Semrush is an SEO and AI search platform for keyword research, competitor analysis, position tracking, site audits and AI visibility tracking. Separate toolkits cover local, content, social, advertising, PR and traffic and market data.
- Best for
- an all-in-one SEO suite that also tracks AI search visibility
- Starting price
- $139/month for the SEO plan ($117.33/month billed annually); free plan available
- Free plan or trial
- Yes. Free plan at $0/mo (1 demo project, 10 reports per day across all vital tools, no credit card required) plus a 7-day free trial ("Try Semrush free for seven days. Cancel anytime.")
- Agency / white-label
- Partly. No dedicated agency plan; the Pro Report add-on ($20/mo) includes "Branding and white-labeling", and the Lead Generation add-on ($90/mo) adds a branded profile on the Semrush Agency Partners platform.
- Limits to know
- SEO plan: 5 websites, 500 keywords tracked daily. Free: 1 demo project, 10 reports/day. Additional users start at $45/mo; "Team users" are listed only on Advanced (custom price). Annual billing saves "up to 17%". AI Visibility, Local, Content and other toolkits are priced separately.
Semrush pricing (vendor's site)
All-in-one SEO suite
SEO PowerSuite is a desktop bundle of four tools: Rank Tracker, WebSite Auditor, SEO SpyGlass for backlinks and LinkAssistant for link outreach.
- Best for
- a one-time-a-year desktop suite with rank tracking, audits and backlinks
- Starting price
- Free version; Professional $349/year; Enterprise $599/year
- Free plan or trial
- Yes. Free forever, but projects can't be saved and audits stop at 500 URLs and 1,100 backlinks.
- Agency / white-label
- Yes. White-label SEO reports on Enterprise and Max +.
- Limits to know
- Desktop software; the free version can't save projects; multi-year plans cost less per month
SEO PowerSuite pricing (vendor's site)
Site audit and crawler
Netpeak Spider is a desktop SEO crawler and site audit tool with scraping and Google Analytics and Search Console integration. Netpeak Checker, sold separately, checks URLs in bulk against 450 parameters.
- Best for
- a low-cost desktop crawler for site audits
- Starting price
- $20/month
- Free plan or trial
- Yes. A 3-day free trial, then a 14-day money-back guarantee.
- Agency / white-label
- No. The pricing page mentions no white-label or branded reports; multi-user discounts apply.
- Limits to know
- Single-product prices are monthly; yearly prices are for bundles; Netpeak Checker is Windows only
Netpeak Spider pricing (vendor's site)
Site audit and crawler
Screaming Frog SEO Spider is a desktop crawler that walks a whole site and reports broken links, redirects, titles and meta data, canonicals, hreflang and more, with JavaScript rendering and Search Console and Analytics integrations.
- Best for
- a deep crawl of an entire site from your own computer
- Starting price
- Free (up to 500 URLs); paid licence £199/$199/€199 per user per year
- Free plan or trial
- Yes. The free version crawls up to 500 URLs per crawl; the paid licence removes the limit.
- Agency / white-label
- No. The pricing page lists no white-label or agency plan; volume discounts start at 5 licences.
- Limits to know
- Runs on your own computer, so crawl size depends on its memory and storage; licences are per user and renew yearly
Screaming Frog SEO Spider pricing (vendor's site)
Free SEO checker
Lighthouse is Google's open-source page auditor. It runs in Chrome DevTools, from the command line, as a Node module or through PageSpeed Insights, and scores Performance, Accessibility, Best Practices and SEO.
- Best for
- a free performance and accessibility audit with basic SEO checks
- Starting price
- Free (open source)
- Free plan or trial
- Yes. Free and open source.
- Agency / white-label
- No
- Limits to know
- Its SEO category is a short list of basic checks on the rendered page; it doesn't test how AI crawlers or a firewall treat your site
Google Lighthouse pricing (vendor's site)
Free SEO checker
SEO Review Tools offers free tools such as a keyword tool, rank checker, backlink checker, website SEO checker, content editor and readability checker, plus paid APIs for backlinks, keywords, traffic and AI visibility.
- Best for
- free single-purpose SEO checks and APIs for automation
- Starting price
- Free tools; paid APIs (prices on the API site)
- Free plan or trial
- Yes. 83 free SEO and AI tools, according to its homepage.
- Agency / white-label
- No. None mentioned; the APIs are aimed at automated reporting.
- Limits to know
- Prices weren't listed on the pages we checked
SEO Review Tools pricing (vendor's site)
Free SEO checker
SEO Site Checkup analyzes pages against 70+ ranking factors and monitors sites weekly, with keyword tracking, competitor comparison, uptime and site speed monitoring.
- Best for
- scheduled SEO checks and white-label reports at a low monthly price
- Starting price
- Basic $39/month, or $29/month billed yearly
- Free plan or trial
- Yes. A 7-day free trial.
- Agency / white-label
- Yes. White-label reports on the Webmaster and Professional plans.
- Limits to know
- Basic: 3 monitored sites, 50 tracked keywords, no team seats or white-label reports
SEO Site Checkup pricing (vendor's site)
Free SEO checker
Small SEO Tools is a large collection of free single-purpose tools: plagiarism and grammar checks, keyword position and density, backlink checker, meta tag analyzer, robots.txt and sitemap generators, page speed and domain checks.
- Best for
- a quick free tool for one small task
- Starting price
- Free tools; paid bundles from $9.99/month
- Free plan or trial
- Yes. Most tools are free; Pro versions of some (plagiarism, paraphrasing, image search, DA and spam score) are paid.
- Agency / white-label
- No
- Limits to know
- Separate single-purpose tools rather than one audit; paid plans are sold per tool
Small SEO Tools pricing (vendor's site)