Continuous Thermal Monitoring for Data Centers | Flir

Handheld Thermal Imaging Cameras for Firefighting | Flir

Error | Flir

Electrical Thermal Imaging | Thermal Camera Inspection | Flir

Continuous Monitoring | FLIR Automation | Flir

Optical Gas Imaging | Infrared Gas Detection | Flir

FLIR Smart Utility Solutions | IOT for utilities | Flir

Advanced Signal Control | Flir

Flir Infrared Cameras for Industrial Research | Precision Thermal Imaging | Flir

Energy Auditing & Home Inspection | Flir

When specifying accessible names via `aria-labelledby`, ensure that the 
label elements exist.

## Explanation

Accessible names are required for many parts of a page, including form controls.
One way to accomplish this is to use `aria-labelledby` to specify the ID or IDs of 
other elements which contain a label. For example:

```html
<h2 id="dialog-labell">Important message!</h2>
<dialog aria-labelledby="dialog-label">
```

In this example, the `aria-labelledby` for the `<dialog>` points to an ID of `dialog-label`,
which doesn't exist. The heading it refers to instead has an ID of `dialog-labell`, presumably 
a typo.

## Why this matters

It isn't usually clear when an accessible name is broken, even during user testing.

This check helps to identify where an element clearly intended to have a label, but
that label is missing.

When a label is broken, it may be impossible for a user of assistive technologies
to understand what that element does.

missing-aria-labelled-by

December 2025

November 2025

FLIR Systems

	Title / URL	Issues
	Continuous Thermal Monitoring for Data Centers \| Flirwww.flir.com/instruments/data-centers/	19
	Handheld Thermal Imaging Cameras for Firefighting \| Flirwww.flir.com/instruments/firefighting/	19
	Error \| Flirwww.flir.com/invented-url-for-404-page/	19
	Electrical Thermal Imaging \| Thermal Camera Inspection \| Flirwww.flir.com/instruments/electrical-mechanical/	19
	Continuous Monitoring \| FLIR Automation \| Flirwww.flir.com/instruments/continuous-monitoring/	19
	Optical Gas Imaging \| Infrared Gas Detection \| Flirwww.flir.com/instruments/optical-gas-imaging/	19
	FLIR Smart Utility Solutions \| IOT for utilities \| Flirwww.flir.com/instruments/FLIRSmartUtility/	19
	Advanced Signal Control \| Flirwww.flir.com/traffic/advanced-signal-control/	19
	Flir Infrared Cameras for Industrial Research \| Precision Thermal Imaging \| Flirwww.flir.com/instruments/science/industrial-rd/	19
	Energy Auditing & Home Inspection \| Flirwww.flir.com/instruments/energy-audit/	19

Fix missing ARIA label IDs

FLIR Systems

Where this issue has occurred