add
New Scan
folder_open
0
My Scans
fact_check
Ad Specs
rocket_launch
Launching
photo_auto_merge
3P Uploads
inbox
My Inbox
group
1
My Team
settings
Settings
notifications_active
Alerts
login
Log In

VAST XML File Size Detector

Scan your VAST Video to determine the XML file size.

Collect 37+ data points and validate against IAB ad guidelines

HTML5 Zip
Ad Tag
VAST
Video
Image
Audio
 
auto_stories
API Docs
Go ahead, try
it yourself !

XML File Size

The total size of the XML file that was downloaded, in bytes.

Why do we test it?

Users on slow networks may have to wait some time before the XML file has been downloaded. During that time, no video can be played. This has a negative impact on user-experience.