Add performance budget guidance

[jeddy3]

As a consumer of the design system
I want guidance on performance budgets
So that I can ensure my product is fast and consistent with other products

Description

Possible metrics:

First Contentful Paint - under 2s
First Meaningful Paint - under 2s
Time to Interactive - under 3s

Links and resources

• https://developers.google.com/web/fundamentals/performance/why-performance-matters/
• https://medium.com/@addyosmani/the-cost-of-javascript-in-2018-7d8950fbb5d4

Acceptance Criteria

• Add guidance

[olliewright]

Great article!

…

On Thu, 3 Jan 2019 at 16:14, jeddy3 ***@***.***> wrote: *As a consumer of the design system I want guidance on performance budgets So that I can ensure my product is fast and consistent with other products* Description Possible metrics: First Contentful Paint - under 2s First Meaningful Paint - under 2s Time to Interactive - under 3s Links and resources - https://developers.google.com/web/fundamentals/performance/why-performance-matters/ Acceptance Criteria - Add guidance — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#451>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AVQp8QnGsmIXMwRtf-3GTxEbbKLUSounks5u_ixigaJpZM4ZoXJ1> .

[jeddy3]

Who has the fastest website in F1?:

It's great to see HTTPS, HTTP/2, gzip, minification, and decent caching widely used. These are things folks in the performance community have been pushing for a long time, and it seems like it's paid off.

[jeddy3]

Performance budgets that stick:

To be effective, a performance budget has to be concrete, meaningful, integrated, and enforced.