SEO News - Septembre 2019

NEWS / SEO

SEO News by Olivier Perbet.

1 – Official Google Webmaster News

搜索控制台：搜索性能报告中的数据更加新鲜

https://webmasters.googleblog.com/2019/09/search-performance-fresh-data.html

绩效报告的数据现在可以在1天后获得。该报告现在还包括一个日期维度。

Search Console : Old version shut down

https://webmasters.googleblog.com/2019/09/goodbye-old-search-console.html

传统的报告现在在新的Search Console菜单中被直接链接。

Rich Snippets : display rules now more restrictive

https://webmasters.googleblog.com/2019/09/making-review-rich-results-more-helpful.html

The common hack of having a sitewide company rating markup to display star ratings for every page in the SERPs won’t work anymore. Only specific Schema types are allowed (individual products / services) and will display ratings.

New nofollow tags for user-generated links and sponsored links

https://webmasters.googleblog.com/2019/09/evolving-nofollow-new-ways-to-identify.html

Should have no impact on SEO, but would help Google better understand these specific kinds of links.

New meta-robots tags to shorten or remove a website’s SERP snippets

https://webmasters.googleblog.com/2019/09/more-controls-on-search.html

The intent is to give media websites more control over what content they display in Google News.

2 – Technical SEO

Web Performance : Lighthouse in Chrome allows you to test recommendations locally

https://twitter.com/cjamcl/status/1167602064584671234

Lighthouse in Chrome allows local overrides : you can now locally save the HTML page you’re auditing online to apply modifications and see if performance improves (lazy-loading, async…)

Web Performance : LCP (Largest Contentful Paint), new KPI

https://web.dev/largest-contentful-paint

新的网络性能KPI，LCP报告视口中最大内容元素（图像、文本）的渲染时间，一旦页面完全加载。

HTTP/3 : introduction and improvements compared to HTTP/1.1 et HTTP/2

https://speakerdeck.com/bitone/3