First visit
CO2 0.140g
SIZE 171.55 KB
Return visit
CO2 0.016g
SIZE 19.47 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
5
113.14 KB
0.093g
Script
5
24.43 KB
0.020g
Document
1
18.27 KB
0.015g
Stylesheet
3
14.32 KB
0.012g
Other
3
1.39 KB
0.001g
History
Date
CO2
Size
12.Sep.2022
0.140g
171.55 KB
12.Sep.2022
0.140g
171.52 KB
This website has been tested 2 times**
Core Web Vitals
Max Potential First Input Delay
50 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task.
Cumulative Layout Shift
0.086
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
Properly size images
Potential savings of 73 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.
Avoids an excessive DOM size
447 elements
A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows
Speed Index
0.5 s
Speed Index shows how quickly the contents of a page are visibly populated.
Uses efficient cache policy on static assets
1 resource found
A long cache lifetime can speed up repeat visits to your page.
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.
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.
Time to Interactive
0.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive.
Avoids enormous network payloads
Total size was 172 KiB
Large network payloads cost users real money and are highly correlated with long load times.
Initial server response time was short
Root document took 290 ms
Keep the server response time for the main document short because all other requests depend on it.
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.
** 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: