Because we skip the crawl step of a scan, we can provide feedback significantly faster. The scan can complete most pages within a few minutes. There may be cases where the scan can take longer, often due to one or more of the following factors:

• The web page is very large: It takes more time for us to process and analyze large pages. If we detect that the page you are trying to scan is larger than 20 MB, the scan stops and you will see the message “The page is too big for Quick Scan”. If you wish to scan larger pages, use the Single-Page Scan option.

  For more information, see the user guide articles:
  Single-page scan

• Quick Scan.
• The system is busy processing scans: If many customers trigger scans at the same time, they land in our queue to avoid overload to the system. The scan starts when capacity is available on the servers.

For instructions on how to do a quick scan, see the user guide article:

Quick Scan.