First visit
CO2 0.495g
SIZE 1.56 MB
Return visit
CO2 0.005g
SIZE 14.94 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
14.94 KB
0.005g
Stylesheet
1
36.85 KB
0.011g
Script
15
763.82 KB
0.237g
Image
25
399.76 KB
0.124g
Other
2
1.13 KB
0.000g
Font
2
371.81 KB
0.115g
Fetch
2
797 B
0.000g
XHR
1
4.75 KB
0.001g
History
Date
CO2
Size
30.Nov.2024
0.495g
1.56 MB
30.Nov.2024
0.498g
1.57 MB
This website has been tested 2 times**
Core Web Vitals
Max Potential First Input Delay
480 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
0.027
Cumulative Layout Shift measures the movement of visible elements within the viewport.
Largest Contentful Paint
1.0 s
Largest Contentful Paint marks the time at which the largest text or image is painted.
Opportunities
Time to Interactive
2.2 s
Time to Interactive is the amount of time it takes for the page to become fully interactive.
Reduce JavaScript execution time
1.5 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this.
Avoids enormous network payloads
Total size was 1,594 KiB
Large network payloads cost users real money and are highly correlated with long load times.
Minimize main-thread work
2.4 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this.
First Contentful Paint
0.8 s
First Contentful Paint marks the time at which the first text or image is painted.
Server Backend Latencies
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.
Total Blocking Time
410 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Reduce unused JavaScript
Potential savings of 307 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity.
Defer offscreen images
Potential savings of 69 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive.
Speed Index
2.6 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.
Reduce unused CSS
Potential savings of 32 KiB
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity.
Initial server response time was short
Root document took 140 ms
Keep the server response time for the main document short because all other requests depend on it.
Avoids an excessive DOM size
777 elements
A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows
Eliminate render-blocking resources
Potential savings of 540 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles.
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: