First visit
CO2 0.292g
SIZE 940.58 KB
Return visit
CO2 0.233g
SIZE 752.16 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
32.65 KB
0.010g
Font
8
189.38 KB
0.059g
Stylesheet
26
85.81 KB
0.027g
Script
29
357.24 KB
0.111g
Image
10
273.74 KB
0.085g
Fetch
1
790 B
0.000g
XHR
1
1008 B
0.000g
History
Date
CO2
Size
16.Jan.2025
0.292g
940.58 KB
26.Mar.2024
0.367g
1.16 MB
21.Mar.2024
0.367g
1.16 MB
16.Feb.2023
0.446g
601.96 KB
15.Feb.2023
0.446g
602 KB
20.Jan.2023
0.440g
594.34 KB
19.Jan.2023
0.440g
594.31 KB
10.Jan.2023
0.553g
746.87 KB
05.Jan.2023
0.551g
743.63 KB
This website has been tested 9 times**
Core Web Vitals
Max Potential First Input Delay
60 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
0.001
Cumulative Layout Shift measures the movement of visible elements within the viewport.
Largest Contentful Paint
1.2 s
Largest Contentful Paint marks the time at which the largest text or image is painted.
Opportunities
Time to Interactive
1.3 s
Time to Interactive is the amount of time it takes for the page to become fully interactive.
Reduce unused JavaScript
Potential savings of 82 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity.
Serve images in next-gen formats
Potential savings of 90 KiB
Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption.
Minimizes main-thread work
0.8 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this.
Serve static assets with an efficient cache policy
68 resources found
A long cache lifetime can speed up repeat visits to your page.
Server Backend Latencies
20 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
2.7 s
Speed Index shows how quickly the contents of a page are visibly populated.
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.
Eliminate render-blocking resources
Potential savings of 360 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles.
Total Blocking Time
10 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce unused CSS
Potential savings of 25 KiB
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity.
Avoids enormous network payloads
Total size was 941 KiB
Large network payloads cost users real money and are highly correlated with long load times.
Reduce initial server response time
Root document took 1,600 ms
Keep the server response time for the main document short because all other requests depend on it.
JavaScript execution time
0.3 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this.
Minify CSS
Potential savings of 2 KiB
Minifying CSS files can reduce network payload sizes.
Avoids an excessive DOM size
566 elements
A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows
First Contentful Paint
0.7 s
First Contentful Paint marks the time at which the first text or image is painted.
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: