First visit
CO2 0.109g
SIZE 132.97 KB
Return visit
CO2 0.018g
SIZE 21.46 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
Image
4
78.39 KB
0.064g
Script
6
22.03 KB
0.018g
Document
1
20.26 KB
0.017g
Stylesheet
2
10.9 KB
0.009g
Other
3
1.39 KB
0.001g
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
0.095
Cumulative Layout Shift measures the movement of visible elements within the viewport.
Largest Contentful Paint
0.5 s
Largest Contentful Paint marks the time at which the largest text or image is painted.
Opportunities
Properly size images
Potential savings of 62 KiB
Serve images that are appropriately-sized to save cellular data and improve load time.
First Meaningful Paint
0.3 s
First Meaningful Paint measures when the primary content of a page is visible.
Time to Interactive
0.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive.
Initial server response time was short
Root document took 380 ms
Keep the server response time for the main document short because all other requests depend on it.
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.
Speed Index
0.6 s
Speed Index shows how quickly the contents of a page are visibly populated.
Avoids enormous network payloads
Total size was 133 KiB
Large network payloads cost users real money and are highly correlated with long load times.
Avoids an excessive DOM size
541 elements
A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows
Uses efficient cache policy on static assets
1 resource found
A long cache lifetime can speed up repeat visits to your page.
Minimizes main-thread work
0.3 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this.
First Contentful Paint
0.3 s
First Contentful Paint marks the time at which the first text or image is painted.
Switch to green hosting
One of the easiest things to do that instantly reduces your impact.
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: