It's not clear.
set pixel as candidate
，详情可参考51吃瓜
Drumroll please!，推荐阅读旺商聊官方下载获取更多信息
Yoast offers many popular SEO WordPress plugin functions. It gives you real-time page analysis to optimize your content, images, meta descriptions, titles, and kewords. Yoast also checks the length of your sentences and paragraphs, whether you’re using enough transition words or subheadings, how often you use passive voice, and so on. Yoast tells Google whether or not to index a page or a set of pages too.，更多细节参见谷歌浏览器【最新下载地址】
Echoes: Check your writing for uniformly repetitive words and phrases.