First visit

CO2 1.137g

SIZE 3.58 MB

Return visit

CO2 0.798g

SIZE 2.51 MB

Overall this web page has been graded F when it comes to its carbon footprint

This website is hosted using renewable energy or carbon offsets.

Find out more about grades

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

14.55 KB

0.005g

Stylesheet

5

10.59 KB

0.003g

Script

16

675.28 KB

0.210g

Image

21

365.77 KB

0.113g

Media

1

2.49 MB

0.790g

Font

3

47.71 KB

0.015g

Fetch

7

4.43 KB

0.001g

History

Date

CO2

Size

16.Sep.2026

1.137g

3.58 MB

07.Apr.2025

1.042g

3.28 MB

11.Jul.2024

1.025g

3.23 MB

24.Jun.2024

0.999g

3.14 MB

29.Aug.2023

0.218g

702.89 KB

10.Jul.2023

0.181g

582.01 KB

20.Apr.2023

0.396g

534.74 KB

16.Feb.2023

0.426g

574.37 KB

08.Jun.2022

0.278g

375.56 KB

31.May.2022

0.278g

374.85 KB

31.May.2022

6.216g

8.19 MB

This website has been tested 12 times**

Previous 10 test results are displayed above.

Core Web Vitals

Max Potential First Input Delay


140 ms

The maximum potential First Input Delay that your users could experience is the duration of the longest task.

Cumulative Layout Shift


0.008

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.

First Contentful Paint


0.7 s

First Contentful Paint marks the time at which the first text or image is painted.

Initial server response time was short


Root document took 20 ms

Keep the server response time for the main document short because all other requests depend on it.

Avoid enormous network payloads


Total size was 3,665 KiB

Large network payloads cost users real money and are highly correlated with long load times.

JavaScript execution time


0.4 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this.

Server Backend Latencies


50 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.

Total Blocking Time


60 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.

Time to Interactive


1.6 s

Time to Interactive is the amount of time it takes for the page to become fully interactive.

Minimizes main-thread work


0.7 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this.

Speed Index


0.7 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:

  • A+: less than 0.095g

  • A: less than 0.185g

  • B: less than 0.34g

  • C: less than 0.49g

  • D: less than 0.65g

  • E: less than 0.85g

  • F: above 0.85