Semrush is a third-party SEO platform that estimates search, keyword and competitor data; its metrics are inputs, not search-engine ground truth.
Meaning and scope
Semrush is a third-party SEO platform with reports for keywords, domains, backlinks, traffic estimates and position tracking. Its datasets and metrics can help prioritise research or compare changes within the same method. They are estimates and platform-defined calculations, not direct Google Search Console data, Google ranking factors or proof of business performance.
How to inspect it
Read the report definition before interpreting a number. Record the database, country, device, date, metric name and filter. Compare a Semrush estimate with first-party sources when available, but do not add them together: an estimated organic-traffic number and a Search Console click count have different collection methods and meanings.
- Choose the correct country database, device and time range for the research question.
- Use the report to form a hypothesis about competitors, vocabulary or missing pages.
- Check important conclusions against live search results, site crawl evidence and first-party measurement where available.
- Keep the export and filters with the decision so another reviewer can reproduce it.
- Use direction and context, not a platform score alone, to prioritise work.
Practical decisions
The useful workflow is triangulation. A visibility change in a third-party report can be a prompt to inspect the target URLs, query set and search results. It should not become a claim that a site gained or lost a known amount of traffic. Set project targets and tracking scope deliberately so a later comparison uses the same baseline.
Limits and mistakes
A third-party authority score is not a Google metric, and traffic estimates are not sessions or conversions. Do not use one domain number to approve a link, judge a brand, or promise a ranking result. Missing keywords may reflect database coverage rather than the absence of demand.