[Hackaton 2024][Prométhium][Javascript] Lazy loading when allowed by the framework

[augustinde]

Associated rule title

The title of the associated rule is measured in this ticket.
Lazy loading when allowed by the framework

Associated rule link

The link to the existing rule measured referenced into the "rules specifications" repository
#65

Language and platform

The language and platform of the associated rule.
It's supposed to be described in the rule itself.

Measure justification

Without lazy loading:

• carbon: 52
• water: 26
• energy: 61
• performance: 80
• carbon (kt co2): 318
• water (hm3): 31,3
• ernergy (gwh): 490
• good practice: 86

With lazy loading:

• carbon: 60
• water: 34
• energy: 69
• performance: 94
• carbon (kt co2): 306
• water (hm3): 29,9
• ernergy (gwh): 468
• good practice: 93

This rule has an environmental impact. In case, the website has an image in the footer and the user don't scroll, this image will be loaded but the user will not see it.

Validation

We validates this rule 80%, but we don't know how fruggr carried out the analysis.