How to Do an SEO Technical Audit for Small SaaS Sites

A technical SEO audit for a small SaaS site starts with confirming that search engines can crawl every public page and that basic on-page signals follow best practice. When the audit is finished you will have a short list of concrete issues and a clear way to test each fix.

Prepare your tools and tracking sheet

You only need a browser, a free crawling tool (such as Screaming Frog's free version), and access to your CMS or hosting control panel. Have a spreadsheet ready to log each finding, the URL, the action you plan, and a column for "verified." This simple tracking sheet prevents the audit from becoming a loose collection of notes.

To make the steps concrete, the audit below uses an example company, Acme SaaS. It sells a project-management tool and has a team of 12 people. The site contains a homepage, a pricing page, a blog with 30 posts, and a help center with 12 articles. Acme's URLs (e.g., acmesaas.com/pricing) illustrate what you should see and how you should react.

Verify crawl access

What to do: Submit your homepage URL to Google Search Console's URL inspection tool and note the "Crawl indexed" status. Then also run the inspection on one deep-link page (for Acme, acmesaas.com/help/getting-started).

Where to do it: In Search Console under "URL Inspection." For the deep link, paste the URL in the same panel and click "Test live URL."

How to tell it worked: The tool should say "URL is on Google," shown as a green badge that also lists the exact canonical URL Google used. If it reports "Blocked by robots.txt" or "Not indexed," you have a crawl blockage that must be cleared before moving on. If the live test returns "Disallowed by robots.txt" for the deep link, the block affects only that path.

This matters because a single hidden help article can cause Google to think the whole help section is low-quality, which reduces the chance that any of your support pages appear in AI-driven answers. Keep a note of every "Not indexed" result, since you will revisit them after you adjust robots.txt.

Check robots.txt and the sitemap

What to do: Open yourdomain.com/robots.txt and look for Disallow: lines that block essential pages. For Acme, that means opening acmesaas.com/robots.txt and looking for lines such as Disallow: /admin/ or Disallow: /*?*. Then download the XML sitemap (usually sitemap.xml, for Acme acmesaas.com/sitemap.xml) and verify that it contains every important page: homepage, pricing, blog posts, and help articles.

Where to do it: Directly in a browser or using the "Robots.txt Tester" in Search Console, where you can submit the file and see which URLs are blocked.

How to tell it worked: No Disallow: rules should reference URLs you need indexed, and the sitemap should list all target pages without 404 errors. After editing the file, the Tester will show a green checkmark for each URL you intend to be crawlable. A quick "site:yourdomain.com" search should return the same pages as the sitemap. Re-download the sitemap and compare its URL count with the number of pages in your CMS: if you have 45 pages and the sitemap lists 45, you're good.

A common mistake is adding a blanket Disallow: / while trying to block a staging subdomain. Make sure the rule applies only to the subdomain you intend to protect. To learn how to audit your sitemap in depth, see our guide on how to audit SaaS on-page SEO in 5 minutes.

Run a basic site audit

What to do: Start the free crawl in Screaming Frog and export the "Response Codes" and "Page Titles" reports. The free version scans the first 500 URLs, but for Acme set the crawl limit to 1,000 URLs to capture the whole site without over-loading the free version. Enable "Crawl All Subdomains" if your blog lives on a subdomain (e.g., blog.acmesaas.com), and also export a Meta Description report.

Where to do it: Launch the software, paste your domain, and click "Start." To set the limit, tick the "Limit Crawl" box in the configuration pane and enter "1000."

How to tell it worked: The response codes report should show only 200 for live pages; any 403, 404, 4xx or 5xx entries become items in your issue list. The page-title report flags titles longer than 60 characters, missing titles, and duplicates, which you will clean up in the next step. The meta description report highlights blanks and descriptions that exceed 160 characters.

Duplicate or missing titles are the most common on-page issue for SaaS blogs. When Google sees many pages with the same title, it may treat them as low-value thin content, which hurts discovery in both traditional search and AI citations. For a full walkthrough, see our step-by-step process in the article "How to Run an SEO Audit for SaaS Sites, Step by Step."

Review on-page fundamentals

What to do: For each page flagged in the previous step, check that the title tag is unique, under 60 characters, and includes the primary keyword. Verify that the meta description is present, under 160 characters, and mirrors the page's intent. Check heading hierarchy (H1 only, followed by H2, H3 as needed), with a single H1 per page that includes the keyword. Also check that image alt text is descriptive and includes the keyword where relevant. When a title or description is missing, edit it in the CMS and write concise copy; when the H1 markup is wrong, adjust the heading; when alt text is absent, add or update the alt attribute.

Where to do it: In your CMS editor (e.g., WordPress, Contentful), by editing the HTML template directly for static pages, or by view-source in the browser.

How to tell it worked: After you edit a page, re-run the title-and-meta report in Screaming Frog; the rows that previously appeared as "Missing" or "Duplicate" should now be blank, indicating no issues remain. Use the browser's "Inspect" tool to confirm the H1 appears once.

When editing a blog post, copy the target keyword into the first 100 words of the content. This strengthens relevance without keyword stuffing. For a deeper dive on how title tags affect AI answer citations, read "Title Tag Audit Strategy to Boost Your Search Visibility."

Test core page performance

What to do: Run a Google PageSpeed Insights test on the homepage and on a typical product page, and record the "First Contentful Paint" (FCP) and "Largest Contentful Paint" (LCP) numbers. For Acme, test three representative URLs: the homepage, a product page (acmesaas.com/features), and a help article (acmesaas.com/help/integrations).

Where to do it: The public PageSpeed Insights web tool; paste the URL and click "Analyze." No login is required.

How to tell it worked: After you implement the recommended fixes (image compression, caching headers, enabling browser caching, removing unused CSS), re-run the test. The scores should improve and the metrics should drop, with FCP below 2 seconds and LCP below 2.5 seconds for a good user experience.

Slow-loading pages increase bounce rates, which signals to Google that the page does not satisfy user intent. In AI-driven search, a high bounce rate can keep your content from being selected as a citation. A full checklist of performance fixes is available in the "Technical SEO Checklist for SaaS Companies: A Step-by-Step Guide."

What commonly breaks and how to validate links

A crawler can get stuck on infinite redirects. Look for a chain of 301 responses in the "Response Codes" export; the symptom is a sudden drop in indexed pages after a site redesign. Missing canonical tags on duplicate content are a second problem: open a product variant page and search for the canonical tag in the source. Its absence usually leads to keyword cannibalisation, which you'll notice as competing pages ranking for the same term.

JavaScript-rendered content may also be invisible to bots. If a page loads data only after user interaction, the crawl will see a blank body. Verify by viewing the source of the page; if the main copy is missing, add server-side rendering or use the "Fetch as Google" tool to confirm visibility.

Internal linking deserves a last check. Use Screaming Frog's "Internal" tab to export a list of all inbound links for each page, and look for pages that have zero internal backlinks. Comppound's workflow includes a systematic log that pairs each crawl result with the exact change made, so you can always trace a symptom back to its fix. Want to turn this checklist into a repeatable system? See how we do it.