Access numbercheck.co.uk. Bulk Phone Number Validation Service | Live Number Testing | Telephone Verification

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value2,680 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value19.7 s

2/100

10%

numbercheck.co.uk

193 ms

914 ms

gtm.js

89 ms

js

148 ms

bat.js

34 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Numbercheck.co.uk, 78% (46 requests) were made to Selectabase.co.uk and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (914 ms) relates to the external source Selectabase.co.uk.

Content Size

1.8 MB

After Optimization

760.0 kB

In fact, the total size of Numbercheck.co.uk main page is 1.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 77.9 kB

Original 99.6 kB
After minification 90.8 kB
After compression 21.7 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 77.9 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 3.2 kB

Original 111.2 kB
After minification 108.0 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. Number Check images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 608.2 kB

Original 1.2 MB
After minification 1.2 MB
After compression 557.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 608.2 kB or 52% of the original size.

CSS Optimization

-84%

Potential reduce by 370.2 kB

Original 442.9 kB
After minification 408.1 kB
After compression 72.7 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. Numbercheck.co.uk needs all CSS files to be minified and compressed as it can save up to 370.2 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Number Check. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.