Recommendation : 2. Reduce the footprint of static content
Have the images been compressed upstream in a format suitable for viewing ?
Pictures
B People
A Planet
B Prosperity
Difficulty
*
Priority
High
Récurrence
OnUpdate
Tests
Does each image use a standard web format and offer an alternative for certain optimized formats that would not be available in all environments?
Precisions
The transmission of compressed data is essential to reduce the impact of exchanges. However, compression algorithms consume technical processing resources and intermediate storage. When compressions are made on each swap request, its benefit may disappear or even increase the impact.
Use Case
Browser tools/consoles allow to check compliance w/ best practices (CHROME: extension greenIT : best practices)
RGAA / standard or certificate (14062?)
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
13 other criteria related to the recommendation: Reduce the footprint of static content
Pictures
What images are really meaningful and useful for understanding the service (examples: logo, images, links, contractual images, etc.) ?
Pictures
What images can we avoid (not useful for understanding the service) ?
Text
Can text replace certain types of images (icons, picto ...) ?
Pictures
Is an alternative to images always available ?
Animated content
Is the information overlay removed ?
Text
Has the impact of internationalisation (multi-languages, etc.) been assessed ?
Text
Is there a limit to the number of different fonts ?
Text
Do you prefer system fonts ?
Forms
Is the configuration of the form minimal (so as not to overload the code for unhelpful styles) ?
Forms
Does the form allow the user to disable dynamic functions (ex: auto completion) ?
Forms
Are the forms useful (example: not creating an account for the purchase of a product / service - e-commerce) ?
Forms
Are robots banned and unsolicited access treated by inexpensive solutions (captcha vs "addition", ....) ?
Forms
When selection lists are available, are they limited to values relevant to the service user ?