First visit
CO2 7.307g
SIZE 19.45 MB
Return visit
CO2 5.897g
SIZE 15.7 MB
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
12.03 KB
0.004g
Script
2
235.3 KB
0.086g
Stylesheet
1
12.78 KB
0.005g
Image
45
3.71 MB
1.395g
Media
12
15.28 MB
5.740g
Font
7
209.85 KB
0.077g
History
Date
CO2
Size
19.Apr.2024
7.307g
19.45 MB
19.Apr.2024
8.142g
21.67 MB
This website has been tested 2 times**
Core Web Vitals
Max Potential First Input Delay
180 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
Cumulative Layout Shift measures the movement of visible elements within the viewport.
Largest Contentful Paint
1.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted.
Opportunities
Properly size images
Potential savings of 2,263 KiB
Serve images that are appropriately-sized to save cellular data and improve load time.
First Contentful Paint
0.8 s
First Contentful Paint marks the time at which the first text or image is painted.
Time to Interactive
1.0 s
Time to Interactive is the amount of time it takes for the page to become fully interactive.
JavaScript execution time
0.7 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this.
Server Backend Latencies
80 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.
Reduce unused JavaScript
Potential savings of 115 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity.
Initial server response time was short
Root document took 30 ms
Keep the server response time for the main document short because all other requests depend on it.
Minimize main-thread work
4.8 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this.
Total Blocking Time
10 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Avoid enormous network payloads
Total size was 19,918 KiB
Large network payloads cost users real money and are highly correlated with long load times.
First Meaningful Paint
0.9 s
First Meaningful Paint measures when the primary content of a page is visible.
Network Round Trip Times
30 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.
Serve static assets with an efficient cache policy
63 resources found
A long cache lifetime can speed up repeat visits to your page.
Serve images in next-gen formats
Potential savings of 1,344 KiB
Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption.
Avoids an excessive DOM size
696 elements
A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows
Speed Index
1.2 s
Speed Index shows how quickly the contents of a page are visibly populated.
Switch to green hosting
One of the easiest things to do that instantly reduces your impact.
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: