UberSuggest

bersuggest helps you generate keyword ideas for your content marketing strategy and production. With Ubersuggest's free keyword tool, generate an unlimited number of suggestions for free and take your content creation to the next level while increasing your website's chances of ranking against the competition.

UberSuggest这个工具有点类似于国内的指数工具，可以根据关键词进行深度研究，只需要输入一个关键词并选择地域后，工具会展示出关键词近一年的月均所搜量指数、长尾关键词推荐以及搜索结果页排名网站信息。同时会提供一些SEO优化相关指标。