To check the popularity of Google search terms, here are some commonly used tools:

1. Google Trends
   This is a free tool officially provided by Google. Users can check the search popularity of a keyword in a specific time period and region. It shows the trend of search volume and allows comparison of multiple search terms. Visit Google Trends to use it directly.
2. Ahrefs
   Ahrefs is a powerful SEO tool that provides a variety of functions including keyword research, competitor analysis, backlink analysis, etc. It provides data such as monthly search volume, ranking difficulty, click volume, etc. for search terms, which is suitable for more in-depth SEO analysis. Visit Ahrefs to learn more.
3. SEMrush
   SEMrush is another powerful SEO tool that provides keyword search volume, trends, competition analysis and other functions. You can use it to find keyword popularity, related searches, and competition analysis. Visit SEMrush to use.
4. Ubersuggest
   Ubersuggest is a free tool launched by Neil Patel. It provides search volume, keyword difficulty, competition and other data for search terms. It is suitable for SEO beginners and small and medium-sized enterprises. Visit Ubersuggest.
5. Moz Keyword Explorer
   The keyword tool provided by Moz can help you find potential search terms and analyze their search volume, clicks, and competition. It is suitable for keyword research and SEO optimization. Visit Moz to learn more.
6. Keyword Tool
   Keyword Tool can help you discover popular search terms related to Google search. It supports multiple languages ​​and regions and is suitable for finding long-tail keywords. Visit Keyword Tool to use it.

Most of these tools have free basic functions, but if you need more in-depth data, you may need to pay for a subscription. If you just want to know the general popularity of a keyword, Google Trends is the most convenient and free option.