They track and strengthen web site crawlability through correcting problems like faulty web links, replicate information, or even blocked out web pages
https://objectstorage.us-ashburn-1.oraclecloud.com/n/idwpxgofmz9m/b/joachimvanrossenberg/o/index.html
They monitor as well as boost site crawlability through correcting issues like broken web links, reproduce information, or obstructed pages