seo 必讀資料

google seo document

http://static.googleusercontent.com/media/www.google.com/en//insidesearch/howsearchworks/assets/searchqualityevaluatorguidelines.pdf


https://www.quicksprout.com/2014/11/21/how-to-structure-a-perfect-seo-optimized-page/


search Engine 能見度
https://majestic.com/https://majestic.com/

https://www.similarweb.com

https://www.woorank.com/en/www/instantstamp.com


schema.org

http://schema.org/docs/schemas.html

schema 的範例

http://codepen.io/liao/pen/waaamx

測試工具

https://search.google.com/structured-data/testing-tool/