Access mcerts.net. Monitoring emissions to air, land and water (MCERTS)

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value2.2 s

99/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.746

6/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

mcerts.net

406 ms

monitoring-emissions-to-air-land-and-water-mcerts

823 ms

lux-measurer-db6c8505a6690974922b8578eb1f2208d3073807f98d9a048efe9991f8dfc92d.js

5 ms

rum-loader-a65b10e18ceeba3bd8a2eac507c7f2c513cdc82f35097df903fdea87f1dc2e33.js

7 ms

application-c269b93c23827ed9c9661cc625aeaaca1f9a17f92e3b13e405066ce98ccbc439.css

11 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Mcerts.net, 96% (24 requests) were made to Www.gov.uk. The less responsive or slowest element that took the longest time to load (823 ms) relates to the external source Www.gov.uk.

Content Size

397.2 kB

After Optimization

88.8 kB

In fact, the total size of Mcerts.net main page is 397.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. CSS take 223.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 120.1 kB

Original 139.3 kB
After minification 124.0 kB
After compression 19.2 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 15.3 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 120.1 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 3.6 kB
After minification 3.6 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. MCERTS images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 1.5 kB

Original 30.4 kB
After minification 30.4 kB
After compression 28.9 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-83%

Potential reduce by 186.8 kB

Original 223.9 kB
After minification 223.4 kB
After compression 37.1 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Mcerts.net needs all CSS files to be minified and compressed as it can save up to 186.8 kB or 83% of the original size.

Requests Now

After Optimization

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of MCERTS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.