First visit
CO2 0.205g
SIZE 276.62 KB
Return visit
CO2 0.026g
SIZE 35.45 KB
Emissions calculator
40%
60%
Total: per month
This is equivalent to: Driving miles in a Tesla Model S Watching hours of Netflix (in HD)
At least trees would be needed to offset the CO2 in a year
Page breakdown
Type
Requests
Size
CO2
Font
4
176.58 KB
0.131g
Script
1
35.67 KB
0.026g
Document
1
35.45 KB
0.026g
Image
2
28.91 KB
0.021g
Core Web Vitals
Max Potential First Input Delay
30 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task.
Cumulative Layout Shift
0
Cumulative Layout Shift measures the movement of visible elements within the viewport.
Largest Contentful Paint
0.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted.
Opportunities
Initial server response time was short
Root document took 130 ms
Keep the server response time for the main document short because all other requests depend on it.
Speed Index
0.4 s
Speed Index shows how quickly the contents of a page are visibly populated.
First Meaningful Paint
0.3 s
First Meaningful Paint measures when the primary content of a page is visible.
Minimizes main-thread work
0.1 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this.
Time to Interactive
0.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive.
Reduce unused JavaScript
Potential savings of 27 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity.
Avoids enormous network payloads
Total size was 277 KiB
Large network payloads cost users real money and are highly correlated with long load times.
First Contentful Paint
0.3 s
First Contentful Paint marks the time at which the first text or image is painted.
JavaScript execution time
0.0 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this.
Avoid an excessive DOM size
1,272 elements
A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows
Notes
* These are assets not hosted on the same domain e.g. tracking scripts, iframe embeds, or files hosted on a CDN.
These measurements are for each new visitor, for returning visitors the footprint would be lower based on caching mechanisms.
Our brackets for the ratings: