First visit

CO2 0.057g

SIZE 182.53 KB

Return visit

CO2 0.007g

SIZE 22.14 KB

Overall this web page has been graded A+ 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

Font

1

79.96 KB

0.025g

Image

7

65.67 KB

0.020g

Document

1

20.14 KB

0.006g

Stylesheet

2

6.05 KB

0.002g

Script

4

5.93 KB

0.002g

Other

4

4.77 KB

0.001g

History

Date

CO2

Size

07.Mar.2024

0.057g

182.53 KB

02.Jun.2023

0.057g

182.49 KB

17.May.2023

0.136g

182.91 KB

02.May.2023

0.133g

179.7 KB

28.Apr.2023

0.133g

179.65 KB

25.Apr.2023

0.133g

179.62 KB

23.Apr.2023

0.131g

177.27 KB

22.Apr.2023

0.095g

127.6 KB

15.Mar.2023

1.610g

2.12 MB

This website has been tested 9 times**


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Core Web Vitals

Max Potential First Input Delay


30 ms

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

Cumulative Layout Shift


0.035

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


40 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.

Server Backend Latencies


790 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.

Uses efficient cache policy on static assets


2 resources found

A long cache lifetime can speed up repeat visits to your page.

Time to Interactive


0.6 s

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

First Contentful Paint


0.5 s

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

Avoids an excessive DOM size


280 elements

A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows

Speed Index


0.6 s

Speed Index shows how quickly the contents of a page are visibly populated.

First Meaningful Paint


0.6 s

First Meaningful Paint measures when the primary content of a page is visible.

Minimizes main-thread work


0.2 s

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

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.

Initial server response time was short


Root document took 80 ms

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

Avoids enormous network payloads


Total size was 183 KiB

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

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