First visit
CO2 0.069g
SIZE 223.19 KB
Return visit
CO2 0.024g
SIZE 75.77 KB
First visit
CO2 0.069g
SIZE 223.19 KB
Return visit
CO2 0.024g
SIZE 75.77 KB
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
27.66 KB
0.009g
Image
12
18.27 KB
0.006g
Font
5
78.5 KB
0.024g
Script
6
96.97 KB
0.030g
Fetch
1
1.8 KB
0.001g
History
Date
CO2
Size
12.Jul.2026
0.069g
223.19 KB
25.Aug.2025
0.073g
234.21 KB
12.May.2025
0.315g
1014.73 KB
This website has been tested 3 times**
40 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
0.124
Cumulative Layout Shift measures the movement of visible elements within the viewport.
0.7 s
Largest Contentful Paint marks the time at which the largest text or image is painted.
0.4 s
First Contentful Paint marks the time at which the first text or image is painted.
20 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.
0.3 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this.
0.7 s
Time to Interactive is the amount of time it takes for the page to become fully interactive.
Total size was 223 KiB
Large network payloads cost users real money and are highly correlated with long load times.
10 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.
0.2 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this.
Root document took 10 ms
Keep the server response time for the main document short because all other requests depend on it.
Est savings of 21 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity.
0.5 s
Speed Index shows how quickly the contents of a page are visibly populated.
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: