What Search Console is
Google Search Console, often shortened to GSC, is the free dashboard Google gives site owners to see how their site appears in search. It reports the exact queries that surfaced your pages, how many times each page was shown, how many clicks it earned, and where it ranked on average.
It is the only place to get this data straight from Google. Third-party rank trackers estimate positions, but Search Console reports the real numbers Google measured from actual searches. Verifying ownership of your domain unlocks all of it at no cost.
How it differs from Google Analytics
People mix these up constantly. Search Console reports what happens before the click, on the search results page: impressions, position, and click-through rate by query. Google Analytics reports what happens after the click, on your site: sessions, pages viewed, conversions, and revenue.
You need both. Search Console tells you whether search is sending the right people; Analytics tells you what those people did once they arrived. Linking the two accounts lets you connect a query to the behavior it produced.
The reports worth checking every month
The Performance report shows your top queries and pages by clicks and impressions; sorting by impressions with low click-through rate surfaces pages that rank but have weak titles to fix. The Pages report under Indexing shows what Google has and has not indexed and why, which catches problems before they cost you traffic. The Core Web Vitals report flags slow or unstable pages measured from real Chrome users.
The URL Inspection tool lets you check any single page, see how Google last crawled it, and request a re-crawl after you publish or fix something. It is the fastest way to confirm a new page is eligible to appear.
Why it should be the first tool you set up
Before spending a dollar on SEO, set up Search Console and submit your sitemap. It costs nothing, it confirms Google can find and index your pages, and it gives you a baseline to measure every future change against. Running an SEO program without it is flying blind.