Google Search Console vs a Website SEO Audit: What Each One Shows

What Search Console shows

Search Console is Google's own data about a property you have verified. The reports that matter most for SEO:

• Performance: clicks, impressions, click-through rate and average position, grouped by query, page, country, device, search appearance or date.
• Page indexing: which URLs are indexed and why others are not, for example Crawled - currently not indexed or Duplicate, Google chose different canonical than user.
• URL Inspection: the indexed version of one URL, its user-declared and Google-selected canonical, the crawled HTML and a live test of whether the current page could be indexed.
• Core Web Vitals: real-user LCP, INP and CLS from the Chrome UX Report (CrUX), grouped into URLs with a similar experience. After a fix, validation tracks the affected URLs for 28 days.

This data exists only in Search Console and its API, for verified owners and the users they add. A tool that only fetches your pages cannot see it.

What an external SEO audit shows

An audit tool fetches the page like a crawler, at one moment, and reads what it receives: status code and redirects, title and meta description, headings, canonical and hreflang tags, robots directives, links, structured data and image attributes. For speed it usually runs a lab test, such as Lighthouse through Google PageSpeed Insights: one simulated load on a defined device and network.

The strength of an audit is that it works on any public URL, including competitors and pages Google has not crawled yet, and points at the exact markup behind a problem. Its limit is that it sees no Google data: no indexing decision, no queries, no clicks.

Side by side

The two sources answer different questions, so they rarely contradict each other once you know which question each one can answer.

The table explains a common puzzle: the audit finds a correct canonical tag, while URL Inspection shows that Google chose another URL. Both are right. The tag is correct, but redirects, internal links or duplicate content elsewhere outweighed it.

Search Console data has limits too

Search Console is the reference for Google data, but it is not complete. Google's article on performance data filtering and limits explains that anonymized queries, those not issued by more than a few dozen users over a two-to-three month period, are left out of the tables to protect privacy. They are still counted in the chart totals unless you filter by query, so the table rows never add up to the total. The same article states that the interface exports at most 1,000 rows, while the Search Analytics API returns up to 50,000 rows per day per site and search type.

The newest data in the Performance report can be preliminary and change over the next hours, and the Core Web Vitals report only lists URL groups with enough real-user data for both LCP and CLS. Many small sites have no Core Web Vitals data at all. That is a lack of data, not a pass or a fail.

When to use which

• Traffic dropped: start in Search Console (Performance by page and query, then Page indexing). Audit the affected pages to see what changed in their HTML.
• A new page does not appear: URL Inspection first. If it is not indexed, audit it for noindex, canonical and robots.txt problems.
• Before a launch or redesign: audit, because Search Console has no data for pages Google has not seen yet.
• Slow site: audit for lab diagnostics (which element, which script), then the Core Web Vitals report to confirm that real users see the improvement.
• Comparing with a competitor: audit only. Their Search Console is not yours to see.

A combined monthly workflow

• In the Performance report, compare the last 28 days with the previous period and sort pages by the change in clicks.
• Pick the three pages with the largest drop, or with many impressions and a low click-through rate, and inspect each in URL Inspection.
• Audit the same URLs: status, canonical, title, headings, structured data and speed.
• Fix what the audit confirms, one change per page, and note the date.
• Request indexing for the changed key pages, then compare their Performance data a few weeks later.

Sitequiry's free analysis covers the audit side for one URL: technical SEO, speed through Google PageSpeed and AI answer readiness signals. It does not connect to Search Console and cannot see your rankings, queries or clicks.

Frequently asked questions