Markers highlight where visual differences are found on the canvas when reviewing probe results.
They appear directly on top of the page and indicate the location of detected issues, allowing you to see where something differs before inspecting the details.
A single marker represents one detected issue at a specific location.
Selecting the marker focuses the canvas on the affected area and opens the corresponding annotation card.
When multiple issues occur on the same element or within the same segment, they are represented by a grouped marker.
Grouped markers indicate that more than one issue exists at that location. Selecting the marker reveals the related issues together, rather than opening separate markers for each issue.
Clustered markers appear when multiple markers would overlap on the canvas.
Instead of stacking on top of each other, overlapping markers are combined into a cluster to keep the canvas readable. Interacting with a cluster adjusts the view so individual markers can be selected.
Markers stay synchronized with the review experience:
Markers behave consistently across view modes.
Markers are visual indicators only.
They do not:
