关键词搜索

Keywords Search compared with Google Keyword Planner, Semrush, Ahrefs and Ubersuggest
Keywords Search (WordStream)	Google Keyword Planner	塞姆拉什	Ahrefs	Ubersuggest
Data returned: It returns related keywords with basic web popularity statistics. Results can be tuned by country, somewhat, and by industry, much more.	Data returned: It gives estimated monthly searches, estimated average cost to show an ad, keyword ideas from words or websites, and forecasts of clicks, conversions or impressions. Very low volume or sensitive keywords cannot be discovered.	Data returned: The keyword research tools share one pool of queries on a free account.	Data returned: The free tools include a keyword generator, backlink checker and SERP checker. Keywords Explorer is included from the Starter plan upward.
Access and cost: The first 25 results are shown immediately. More results and downloads require registration.	Access and cost: Basic features such as new keyword ideas require completing account setup with billing information.	Access and cost: A free account allows 10 keyword research queries per day. Starter and Pro+ are listed as unlimited.	Access and cost: A free version exists and no credit card is needed for it.	Access and cost: A free tier exists with very limited daily searches. Paid use is monthly or as a one-time lifetime purchase, with a 7-day trial, according to a third-party review from September 2025.
限制： Free output is capped at 25 results before registration.	限制： Each keyword can be up to 80 characters and 10 words. Forecasts refresh daily from the last 7 to 10 days, adjusted for seasonality.	限制： Every new search in any keyword tool counts toward the same daily limit.
Input and purpose: It starts from a keyword or a URL, and was intended for SEO but also helps with reports and writing.	Input and purpose: It is built to research keywords for Search ad campaigns.

Keywords Search compared with Google Keyword Planner, Semrush, Ahrefs and Ubersuggest

Keywords Search (WordStream)

Google Keyword Planner

塞姆拉什

Ahrefs

Ubersuggest

Data returned: It returns related keywords with basic web popularity statistics. Results can be tuned by country, somewhat, and by industry, much more.

Data returned: It gives estimated monthly searches, estimated average cost to show an ad, keyword ideas from words or websites, and forecasts of clicks, conversions or impressions. Very low volume or sensitive keywords cannot be discovered.

Data returned: The keyword research tools share one pool of queries on a free account.

Data returned: The free tools include a keyword generator, backlink checker and SERP checker. Keywords Explorer is included from the Starter plan upward.

Access and cost: The first 25 results are shown immediately. More results and downloads require registration.

Access and cost: Basic features such as new keyword ideas require completing account setup with billing information.

Access and cost: A free account allows 10 keyword research queries per day. Starter and Pro+ are listed as unlimited.

Access and cost: A free version exists and no credit card is needed for it.

Access and cost: A free tier exists with very limited daily searches. Paid use is monthly or as a one-time lifetime purchase, with a 7-day trial, according to a third-party review from September 2025.

限制： Free output is capped at 25 results before registration.

限制： Each keyword can be up to 80 characters and 10 words. Forecasts refresh daily from the last 7 to 10 days, adjusted for seasonality.

限制： Every new search in any keyword tool counts toward the same daily limit.

Input and purpose: It starts from a keyword or a URL, and was intended for SEO but also helps with reports and writing.

Input and purpose: It is built to research keywords for Search ad campaigns.