First visit
CO2 9.939g
SIZE 11.87 MB
Return visit
CO2 9.856g
SIZE 11.77 MB
First visit
CO2 9.939g
SIZE 11.87 MB
Return visit
CO2 9.856g
SIZE 11.77 MB
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
14
10.58 MB
8.860g
Font
9
814.76 KB
0.666g
Script
7
354.23 KB
0.290g
Stylesheet
5
134.1 KB
0.110g
Document
1
12.28 KB
0.010g
Other
1
4.85 KB
0.004g
History
Date
CO2
Size
19.May.2022
9.939g
11.87 MB
27.Nov.2021
7.520g
8.98 MB
This website has been tested 2 times**
50 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task.
0.01
Cumulative Layout Shift measures the movement of visible elements within the viewport.
1.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted.
2 resources found
A long cache lifetime can speed up repeat visits to your page.
Potential savings of 1,472 KiB
Optimized images load faster and consume less cellular data.
Potential savings of 60 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles.
Potential savings of 5,192 KiB
Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption.
514 elements
A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows
0.9 s
First Contentful Paint marks the time at which the first text or image is painted.
Potential savings of 186 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity.
Total size was 12,156 KiB
Large network payloads cost users real money and are highly correlated with long load times.
0 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
0.9 s
Speed Index shows how quickly the contents of a page are visibly populated.
0.9 s
First Meaningful Paint measures when the primary content of a page is visible.
0.5 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this.
Root document took 110 ms
Keep the server response time for the main document short because all other requests depend on it.
Potential savings of 109 KiB
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity.
Potential savings of 10,541 KiB
Serve images that are appropriately-sized to save cellular data and improve load time.
0.1 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this.
2.2 s
Time to interactive is the amount of time it takes for the page to become fully interactive.
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.
** This was only counted from 11.Apr.2021.
These measurements are for each new visitor, for returning visitors the footprint would be lower based on caching mechanisms.
Our brackets for the ratings: