Google Trends

Google Trends compared with Semrush, Ahrefs Keywords Explorer and SimilarWeb
Google Trends	Semrush	Ahrefs Keywords Explorer	SimilarWeb
Data basis: Results come from a sample of Google searches. Each point is divided by total searches for its location and time, then scaled from 0 to 100. Very low-volume queries, repeated searches by one person in a short window, queries with apostrophes or special characters and searches made by Google products are excluded.	Data basis: Keyword Overview reports monthly search volume, keyword difficulty, search intent and search result pages for a keyword.	Data basis: The index holds 28.7 billion keywords, filtered from 110 billion discovered, and shows what people search for in Google.	Data basis: Estimates combine first-party analytics shared by sites and apps, a contributory network of anonymous device data, ISP and partner data, and public crawling, modelled with machine learning. Data is aggregated at site and app level, not user level.
Meaning of the numbers: Values show relative popularity, not raw search counts. A score of 0 means too little volume to show, and low-volume queries show statistical noise.	Meaning of the numbers: Monthly search volume is the total number of searches for a keyword in a month, an absolute figure rather than an index.	Meaning of the numbers: Reports search volume with 12-month average figures, Keyword Difficulty derived from backlinks to top-ranking pages, and traffic potential, the estimated traffic from ranking first.	Meaning of the numbers: Reports modelled estimates of site and app traffic and engagement, such as monthly visits, bounce rate, pages per visit and visit duration.
Scope and resolution: Covers Google Search, Google News and YouTube. Hourly data is available for ranges of 7 days or less in local time, and daily, weekly or monthly data for ranges of 30 days or more in UTC.		Scope and resolution: Search volume is broken down for 217 locations, and only Google is covered.
Free access: Described by Google as a free tool.	Free access: A free account limits Domain Overview, Keyword Research, Competitor Research and Backlinks to 10 queries per day each, and every new keyword search counts toward that limit.	Free access: Keywords Explorer itself is reached through sign-up and a paid plan. Separate free tools such as a Keyword Generator and a Keyword Difficulty Checker are offered.	Free access: A TechRadar review reports a free tier with five results per metric and three months of web traffic data, with longer history and unlimited results in enterprise plans.

Google Trends compared with Semrush, Ahrefs Keywords Explorer and SimilarWeb

Google Trends

Semrush

Ahrefs Keywords Explorer

SimilarWeb

Data basis: Results come from a sample of Google searches. Each point is divided by total searches for its location and time, then scaled from 0 to 100. Very low-volume queries, repeated searches by one person in a short window, queries with apostrophes or special characters and searches made by Google products are excluded.

Data basis: Keyword Overview reports monthly search volume, keyword difficulty, search intent and search result pages for a keyword.

Data basis: The index holds 28.7 billion keywords, filtered from 110 billion discovered, and shows what people search for in Google.

Data basis: Estimates combine first-party analytics shared by sites and apps, a contributory network of anonymous device data, ISP and partner data, and public crawling, modelled with machine learning. Data is aggregated at site and app level, not user level.

Meaning of the numbers: Values show relative popularity, not raw search counts. A score of 0 means too little volume to show, and low-volume queries show statistical noise.

Meaning of the numbers: Monthly search volume is the total number of searches for a keyword in a month, an absolute figure rather than an index.

Meaning of the numbers: Reports search volume with 12-month average figures, Keyword Difficulty derived from backlinks to top-ranking pages, and traffic potential, the estimated traffic from ranking first.

Meaning of the numbers: Reports modelled estimates of site and app traffic and engagement, such as monthly visits, bounce rate, pages per visit and visit duration.

Scope and resolution: Covers Google Search, Google News and YouTube. Hourly data is available for ranges of 7 days or less in local time, and daily, weekly or monthly data for ranges of 30 days or more in UTC.

Scope and resolution: Search volume is broken down for 217 locations, and only Google is covered.

Free access: Described by Google as a free tool.

Free access: A free account limits Domain Overview, Keyword Research, Competitor Research and Backlinks to 10 queries per day each, and every new keyword search counts toward that limit.

Free access: Keywords Explorer itself is reached through sign-up and a paid plan. Separate free tools such as a Keyword Generator and a Keyword Difficulty Checker are offered.

Free access: A TechRadar review reports a free tier with five results per metric and three months of web traffic data, with longer history and unlimited results in enterprise plans.