Access callingcardbuster.co.uk. Calling rates cheaper than regular Calling Card services. Unlimited validity!

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.104

88/100

15%

TTI (Time to Interactive)

Value8.2 s

41/100

10%

dashboard

487 ms

b90503f3ce23b5d8b1b62b35f92fb64f

100 ms

js

56 ms

js

89 ms

5e44bde1e47e75e22b7b1c647428779b

473 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 50% of them (7 requests) were addressed to the original Callingcardbuster.co.uk, 29% (4 requests) were made to Voipbuster.com and 21% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (487 ms) belongs to the original domain Callingcardbuster.co.uk.

Content Size

220.3 kB

After Optimization

18.4 kB

In fact, the total size of Callingcardbuster.co.uk main page is 220.3 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. 40% of websites need less resources to load. HTML takes 198.0 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 180.4 kB

Original 198.0 kB
After minification 193.5 kB
After compression 17.6 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 180.4 kB or 91% of the original size.

Image Optimization

-96%

Potential reduce by 21.4 kB

Original 22.3 kB
After minification 894 B

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. Obviously, Calling Card Buster needs image optimization as it can save up to 21.4 kB or 96% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Now

After Optimization

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calling Card Buster. 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 as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

Image elements do not have [alt] attributes

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Callingcardbuster.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Callingcardbuster.co.uk main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of Calling Card Buster. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: