The best SEO tools for a SaaS, by the job
You do not need every SEO tool. You need one for each job your SaaS has. This page maps the common SaaS jobs to the handful of tools that serve them, and when a suite or a one-off report is enough.
By Théophile Louvart, founder of Porteur · Updated 14 September 2026 · Markdown
Start with the truth: set up the free basics
Get your baseline before you shop. You will save a month.
- Google Search Console shows queries, pages, impressions, clicks and positions. It also reports indexing, sitemaps, Core Web Vitals and enhancements. It is pre click.
- Bing Webmaster Tools is free and adds backlinks, keyword research and IndexNow.
- Google Analytics 4 is free and shows sessions, pages, events and conversions. It is post click. It never reconciles exactly with Search Console.
- Use the Search Console Performance report to find “/pricing”, docs and templates already close to page one.
The SaaS jobs and the tool for each
Map a job to a tool, not a brand. Here are the common SaaS jobs.
- Comparisons and alternatives pages. Use keyword research to pick terms: Ahrefs Keywords Explorer, Semrush Keyword Magic Tool, Moz Keyword Explorer, Mangools KWFinder. Check People also ask with AlsoAsked or AnswerThePublic. Confirm intent by reading the top results.
- Integrations pages. Start with Search Console queries and autocomplete. Expand with Ahrefs, Semrush or KWFinder. Read a rival’s sitemap to spot missing vendors.
- Pricing page. Use the Search Console Performance report to track brand plus “pricing”. Improve Core Web Vitals with PageSpeed Insights and Lighthouse.
- Docs and how-to content. Use Keyword Planner ranges, Search Console queries, KWFinder and Moz Keyword Explorer. Build FAQ schema with the Schema Markup Validator and test with the Rich Results Test.
- Review sites and listings. Track brand queries in Search Console. Check backlinks with Ahrefs Site Explorer, Semrush Backlink Analytics or Moz Link Explorer. Use Majestic for Trust Flow and topical context.
- AI answers and overviews. Track presence with Profound, Peec AI, Otterly, Scrunch, or the AI toolkits in Semrush and Ahrefs. Also use a manual check: ask assistants your buyer questions on a schedule and log if you are cited.
- Lead magnets and templates. Use Google Trends to gauge seasonality. Use SERP features checks in your suite to see if carousels or videos dominate.
- Documentation UX. Crawl with Screaming Frog SEO Spider or Sitebulb to find orphan pages, thin content and incorrect canonicals. Fix titles near 60 characters and ensure one H1. Test changes with Search Console on a 28 day window.
Suites versus a focused report
A suite is a toolbox. A report is a plan. Choose based on how often you act.
- Ahrefs is known for its backlink index and Site Explorer. It also has Keywords Explorer, Site Audit, Rank Tracker and Content Explorer. It shows Domain Rating, a link based score from 0 to 100.
- Semrush is a broad suite. It has Keyword Magic Tool, Position Tracking, Site Audit, Backlink Analytics and competitive research. It also has advertising and content modules. It shows Authority Score.
- Moz Pro has Keyword Explorer, Link Explorer, Site Crawl, Rank Tracking and an On Page Grader. It also has the free MozBar extension and long standing education. It shows Domain Authority from 0 to 100.
- SE Ranking covers rank tracking, website audit, keyword and competitive research, backlinks and on page checks. It is often chosen as the affordable full suite.
- Mangools suits beginners and small teams. KWFinder, SERPChecker, SERPWatcher, LinkMiner and SiteProfiler. Its link data comes from Majestic.
- SpyFu focuses on competitor history in search and paid keywords. It is weaker on your own site’s audit.
- Majestic runs its own link index. Trust Flow and Citation Flow from 0 to 100, a Topical Trust Flow by category. It is only for links.
If you act monthly, a suite makes sense. If you act once per quarter, a one off growth report may be faster to ship. We make Porteur, a bought once growth report written from your site, the searches and the rivals, with a free check first.
Crawling and fixing a product site
You need a crawler to find what Search Console will not tell you directly. Start with a desktop crawl, then fix and re test.
- Screaming Frog SEO Spider runs on Windows, macOS and Linux. The free version crawls up to 500 URLs. The licence unlocks unlimited crawls, custom extraction, scheduling and API connections. It produces tables you interpret yourself.
- Sitebulb runs on Windows and macOS, with a cloud version. It is known for explained audit hints with priorities and visual crawl maps. It suits founders who want guidance in the UI.
- Cloud crawlers like Lumar and Oncrawl exist for large sites.
- Run a crawl after every docs restructure, a URL change or a new section. Check for duplicate titles, 404s, noindex, redirect chains, canonical errors and orphan pages.
- Use the Detailed SEO extension to spot title, headings, canonical and robots at a glance while you fix pages.
Backlinks and competitor gaps
Links still move the needle for B2B SaaS, as of 2026. Use more than one lens when you judge a domain or a gap.
- Ahrefs Site Explorer is strong on backlink discovery from its own index. Use DR to compare relative link profiles, not as a target.
- Semrush Backlink Analytics gives another view and adds outreach workflows in its suite.
- Moz Link Explorer offers DA and an easy view of top links and anchors. The MozBar browser extension is free for quick checks.
- Majestic shows Trust Flow, Citation Flow and Topical Trust Flow. It is link only and useful when topic relevance matters to you.
- Search Console’s Links report is free and shows a sample for your own site only. Combine it with Ahrefs Webmaster Tools for free Site Explorer and Site Audit on verified sites.
- Bing Webmaster Tools has a free Backlinks report with a rival comparison. Use it to spot quick wins.
Find a link gap
List your top three rivals from the “alternatives” and “competitors” queries. Pull referring domains from Ahrefs or Semrush. Pull your own from Search Console. Mark domains that link to two rivals but not to you.
Pick outreach targets
Filter for relevant categories with Majestic’s topical data, or by page topic in your suite. Keep only pages that list tools like yours.
Ship a page that fits
If you lack a comparison or an integration page for that link, build it first. Then ask for the link with a specific anchor suggestion.
Speed, Core Web Vitals and diagnostics
Do not guess speed. Test the exact slow pages users hit, like “/pricing” and “/signup”. Use field data first, then a lab run to debug.
- PageSpeed Insights is free. It runs Lighthouse and shows Chrome UX Report field data if available.
- Lighthouse runs in Chrome DevTools, the CLI and PageSpeed Insights. It is a lab test on a fixed device profile.
- WebPageTest offers detailed waterfalls, filmstrips and many locations and devices. Free tests have limits.
- GTmetrix is built on Lighthouse and adds waterfalls and test locations. Monitoring needs a paid plan.
- Use the Web Vitals extension to watch LCP, CLS and INP while you browse.
- Aim for LCP around 2.5 seconds, CLS around 0.1, INP around 200 ms. Fix fonts, images and third party scripts first.
Pick pages
Run “/pricing”, “/guides/getting-started” and your top two landing pages from Search Console. These pages decide revenue.
Run PSI
Check field data and note which metric fails. Only then open Lighthouse for a repeatable debug run.
Fix one cause
Compress hero images, inline critical CSS or defer a heavy script. Re test. Move on to the next cause.
Keyword research that fits B2B SaaS
Pick topics buyers use. Avoid vanity head terms you will never own. Use free and paid sources together for confidence.
- Use Search Console queries to find striking distance terms for pages you already have.
- Use Ahrefs Keywords Explorer or Semrush Keyword Magic Tool to expand clusters around “alternatives”, “vs”, “integration”, “template” and “pricing”.
- Use Moz Keyword Explorer or Mangools KWFinder for difficulty scores that new teams understand fast.
- Use AlsoAsked to extract the question tree for a feature or problem. Feed these into an FAQ section or docs.
- Use Google Keyword Planner for ranges, Google Trends for relative interest, and Keywords Everywhere for quick volumes on the results page.
- Ubersuggest can give beginners keyword and content ideas with a free daily allowance.
AI visibility for your SaaS, as of 2026
Buyers now see AI answers before they click. Track if and how you appear, and write pages assistants can cite.
- Use Profound, Peec AI, Otterly, Scrunch, Semrush’s AI toolkit or Ahrefs Brand Radar to watch appearances and citations.
- Keep a manual log. Every 28 days, ask the main assistants five buyer questions like “best [your category] for startups” and “how to migrate from [rival] to [you]”. Note if your brand or a page is cited.
- Add clear comparison pages, migration guides and integration steps. Use FAQ schema where it helps. Test with the Rich Results Test and Schema Markup Validator.
- Read the guides on how to rank in AI overviews and writing pages assistants can cite for a process.
Choosing tools: criteria that matter for small teams
Judge tools by the job, the data and your cadence. Here is a short list to keep you honest when you buy.
- Job fit. Can it do the one job you need this month, like find link gaps or crawl 2,000 URLs well.
- Data source. Suites use their own link and keyword datasets. Expect differences. Cross check with a second source for decisions that cost time.
- Interpretation. Screaming Frog gives you raw tables. Sitebulb explains issues with priorities. Pick the style you will act on.
- Setup time. Chrome extensions like Detailed SEO, MozBar and Keywords Everywhere speed up quick audits.
- Exports and connectors. If you report in Looker Studio, check the connector availability for Search Console and GA4. Most other data you will export as CSV.
- Learning curve. If you have one hour a week, use Search Console, a crawler you understand, and one suite you will open every week.
- Overlap. Avoid buying two suites. Add a specialised tool like Majestic, SpyFu or a rank tracker instead.
A quick map: SaaS jobs to recommended tools
| SaaS job | Use this first | Suite options | Free option |
|---|---|---|---|
| Comparisons and alternatives | Search Console queries; AlsoAsked for PAA | Ahrefs Keywords Explorer; Semrush Keyword Magic Tool; Moz Keyword Explorer; KWFinder | Google Keyword Planner; Google Trends |
| Integrations pages | Autocomplete; rivals’ sitemaps | Ahrefs; Semrush; KWFinder | Search Console queries |
| Pricing page checks | PageSpeed Insights; Lighthouse | Semrush Site Audit; Ahrefs Site Audit | Chrome DevTools Lighthouse |
| Docs and guides | Search Console queries | Moz Keyword Explorer; KWFinder; Ubersuggest | AnswerThePublic; AlsoAsked |
| Backlink gaps | Ahrefs Site Explorer | Semrush Backlink Analytics; Moz Link Explorer; Majestic | Search Console Links; Bing Webmaster Tools |
| Crawl and fixes | Screaming Frog SEO Spider | Sitebulb | Screaming Frog free up to 500 URLs |
| Rank tracking | Search Console Performance | Semrush Position Tracking; Ahrefs Rank Tracker; SE Ranking; Mangools SERPWatcher | Search Console |
| AI visibility | Manual checks on a schedule | Semrush AI toolkit; Ahrefs Brand Radar; Profound; Peec AI; Otterly; Scrunch | Manual log in a sheet |
| Reporting | Search Console and GA4 native | Looker Studio; AgencyAnalytics; DashThis | Looker Studio with free connectors |
Questions
No. AI answers change click paths, but buyers still search, compare and click. You need pages that assistants can cite and pages that win the click. Track both the classic results and AI visibility, and ship the pages that match buyer jobs.
For most teams: Google Search Console, a crawler like Screaming Frog or Sitebulb, one suite such as Ahrefs or Semrush, a backlink checker view from the suite or Majestic, and PageSpeed Insights with Lighthouse. Add a rank tracker only when you have pages worth tracking.
Start with Search Console, GA4 and Bing Webmaster Tools. Use Screaming Frog free up to 500 URLs. Use Keyword Planner, Google Trends, AlsoAsked and AnswerThePublic. Add one suite when you hit a ceiling on keyword discovery or link gap analysis.
Both are strong. Ahrefs is known for its backlink index and Site Explorer. Semrush is a broader suite with advertising and content modules. Pick based on whether you care more about link discovery and content research, or a single hub for SEO plus adjacent channels. If unsure, read the comparison page on this site.
Not at first. Search Console’s Performance report is Google’s own figure and is free. A dedicated rank tracker helps when you need daily tracking on a set of pages and terms, or competitor overlays. Add one when you start reporting movement to a team or board.
Use Search Console to monitor brand queries. Use Ahrefs, Semrush, Moz or Majestic to find where rivals have links from listings and comparisons. For launches, Product Hunt is one place. There are alternatives with real audiences like Hacker News Show HN, BetaList, Indie Hackers, Uneed, MicroLaunch and Dev Hunt.
Sources
Check my site, free
Paste your URL to get a free check that reads your site, the searches around it and the rivals on them in about thirty seconds, and shows three findings whole.
- Free check, no card
- Read-only, your own accounts
- Readable by your agent
Read next
- GuideSEO for B2B SaaS: the pages that fit a long sale
- ComparisonAhrefs vs Semrush for a small product site
- ComparisonSitebulb vs Screaming Frog: two desktop crawlers
- GuideComparison pages: the “vs” page your buyers are searching for
- GuideHow to write an alternatives page that ranks and converts
- GuideCore Web Vitals for a product site: the three numbers
- GuideThe best free SEO tools in 2026, by the job they do
- GuideCheap SEO tools: what a small site can do for free, and when paying makes sense