First visit
CO2 0.101g
SIZE 326.09 KB
Return visit
CO2 0.014g
SIZE 45.23 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
Document
1
25.5 KB
0.008g
Other
1
723 B
0.000g
Script
5
142.42 KB
0.044g
Stylesheet
1
9.4 KB
0.003g
Image
6
54.91 KB
0.017g
Fetch
2
1.66 KB
0.001g
XHR
1
651 B
0.000g
Font
4
90.86 KB
0.028g
History
Date
CO2
Size
12.Jan.2026
0.101g
326.09 KB
19.Sep.2025
0.097g
312.22 KB
13.Aug.2025
0.095g
307.4 KB
01.Jul.2025
0.095g
304.88 KB
29.May.2025
0.094g
303.02 KB
14.Feb.2025
0.177g
569.23 KB
09.Dec.2024
0.167g
536.89 KB
05.Dec.2024
0.166g
533.57 KB
03.Dec.2024
0.165g
531.79 KB
03.Dec.2024
0.165g
532.14 KB
02.Dec.2024
0.325g
1.02 MB
This website has been tested 13 times**
Previous 10 test results are displayed above.
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.
Learn more about the Maximum Potential First Input Delay metric
Cumulative Layout Shift
0.004
Cumulative Layout Shift measures the movement of visible elements within the viewport.
Largest Contentful Paint
0.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted.
Opportunities
Network Round Trip Times
0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance.
Time to Interactive
0.7 s
Time to Interactive is the amount of time it takes for the page to become fully interactive.
Server Backend Latencies
40 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance.
Speed Index
0.3 s
Speed Index shows how quickly the contents of a page are visibly populated.
Initial server response time was short
Root document took 0 ms
Keep the server response time for the main document short because all other requests depend on it.
First Contentful Paint
0.3 s
First Contentful Paint marks the time at which the first text or image is painted.
JavaScript execution time
0.1 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.
Avoids enormous network payloads
Total size was 326 KiB
Large network payloads cost users real money and are highly correlated with long load times.
Reduce unused JavaScript
Est savings of 53 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity.
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: