First visit
CO2 11.778g
SIZE 15.52 MB
Return visit
CO2 11.472g
SIZE 15.12 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
Media
1
9.53 MB
7.233g
Image
67
4.34 MB
3.297g
Script
57
1.41 MB
1.072g
Document
5
122.54 KB
0.091g
Stylesheet
21
98.69 KB
0.073g
Other
15
16.87 KB
0.012g
Core Web Vitals
Max Potential First Input Delay
130 ms
The maximum potential First Input Delay that your users could experience is the duration of the longest task.
Cumulative Layout Shift
0.007
Cumulative Layout Shift measures the movement of visible elements within the viewport.
Largest Contentful Paint
5.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted.
Opportunities
Minimize main-thread work
2.3 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this.
Defer offscreen images
Potential savings of 3,670 KiB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive.
JavaScript execution time
1.1 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this.
Minify JavaScript
Potential savings of 56 KiB
Minifying JavaScript files can reduce payload sizes and script parse time.
First Meaningful Paint
0.7 s
First Meaningful Paint measures when the primary content of a page is visible.
First Contentful Paint
0.7 s
First Contentful Paint marks the time at which the first text or image is painted.
Avoid enormous network payloads
Total size was 15,894 KiB
Large network payloads cost users real money and are highly correlated with long load times.
Time to Interactive
4.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive.
Total Blocking Time
80 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
Speed Index
2.9 s
Speed Index shows how quickly the contents of a page are visibly populated.
Initial server response time was short
Root document took 220 ms
Keep the server response time for the main document short because all other requests depend on it.
Properly size images
Potential savings of 1,913 KiB
Serve images that are appropriately-sized to save cellular data and improve load time.
Serve images in next-gen formats
Potential savings of 3,141 KiB
Image formats like WebP and AVIF often provide better compression than PNG or JPEG, which means faster downloads and less data consumption.
Reduce unused JavaScript
Potential savings of 604 KiB
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity.
Eliminate render-blocking resources
Potential savings of 410 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles.
Efficiently encode images
Potential savings of 324 KiB
Optimized images load faster and consume less cellular data.
Avoids an excessive DOM size
780 elements
A large DOM will increase memory usage, cause longer style calculations, and produce costly layout reflows
Serve static assets with an efficient cache policy
37 resources found
A long cache lifetime can speed up repeat visits to your page.
Notes
* These are assets not hosted on the same domain e.g. tracking scripts, iframe embeds, or files hosted on a CDN.
These measurements are for each new visitor, for returning visitors the footprint would be lower based on caching mechanisms.
Our brackets for the ratings: