Network Features are those that only make sense in the context of a tool or service that is directly accessed via the web (i.e. an image proxy service).
Why
Follows Accept headers
Does it listen to the user's Accept header to make sure they get the best format?
2Sub Tests
Effective-Connection-Type
Does it respond to the ECT (Effective Connection Type) header?
0/20Tools Passing
Offers content via HTTP2
Can we access content via HTTP2+?
15/20Tools Passing
akamai 
bigCartel 
cloudflare 
cloudinary 
ecwid 
fastly 
goDaddy 
imageEngine 
imgix 
optimole 
shopify 
squarespace 
webflow 
weebly 
wix Long-lived cache headers
Is content produces served with long-lived cache headers?
2Sub Tests
Respects users headers
Will it listen to a user's various headers to improve performance?
2Sub Tests
