Recommendation : 9. Implement technical solutions with the lowest impact
Do all images have a text alternative ?
UI
A People
B Planet
B Prosperity
Difficulty
*
Priority
High
Récurrence
OnUpdate
Tests
Have you tested the service with an accessibility reader?
Precisions
Accessibility assistants must be able to use a description of the information carried by the image in order to allow a good understanding of the service without the vision of the image.
Use Case
Source dode / CHROME: lighthouse / accessibility
RGAA criteria 1.1 to 1.9
Additional elements
Operational issues related to the project
Rule for assessing the level of compliance of the criterion
Number of images analyzed / Number of images
Life cycle
Réalisation
20 other criteria related to the recommendation: Implement technical solutions with the lowest impact
UI
Is a clean version available for prints ?
user Experience
Is the service suitable for different accessibility media formats ?
UI
Have the different image formats available been evaluated to select only the most effective ?
UI
Are image resizing processed upstream and statically (server side) ?
UI
Is the definition of the image reduced and adapted to its objective (illustration, contractual, ...) ?
UI
Are alternative image formats made available through srcset ?
UI
Are CSS sprites implemented to limit the flow of image fetching ?
UI
Is formatting in css preferred, to limit the use of images ?
UI
Does the lazy load bring a gain (weight of the page, CPU resource) ?
UI
Is the definition of the sound suitable ?
UI
Is it really a user action that triggers the "play" ?
UI
Are videos or animations outside the active area automatically paused / stopped ?
UI
Is a video the only solution for the expected illustration ?
UI
Are you reducing the number of pictograms used in the service ?
UI
Do you limit the number of fonts loaded for the service ?
UI
If printing, is an ink saving font installed ?
UI
Are the fonts used not loaded only for a small number of objects ?
UI
Is the service developed in accordance with RGAA recommendations ?
UI
Are the animations necessary, desired by the user ?
user Experience
Is a CSS alternative available for an animation ?