Skip to main content
Metadata associated with a screencast frame. Provides information about the state of the page when the frame was captured. All dimensions and offsets are in CSS pixels unless otherwise noted.

​
Definition

​
Fields

​
offsetTop

Float! Vertical offset of the captured viewport area from the top of the page, in CSS pixels.

​
pageScaleFactor

Float! The scale factor of the page content. Example: 1.0 for 100% zoom.

​
deviceWidth

Float! The width of the device viewport, in CSS pixels.

​
deviceHeight

Float! The height of the device viewport, in CSS pixels.

​
scrollOffsetX

Float! Horizontal scroll offset of the page, in CSS pixels.

​
scrollOffsetY

Float! Vertical scroll offset of the page, in CSS pixels.

​
timestamp

Float! Timestamp when the frame was captured, as a Unix timestamp in milliseconds.