Access justvoip.com. Cheap calls to UK, Romania and other countries!

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value510 ms

57/100

30%

CLS (Cumulative Layout Shift)

Value0.104

88/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

dashboard

397 ms

3df1440b68808ae19a12cd1d69695bb4

101 ms

js

61 ms

js

79 ms

68867ae742ae6b17d6ebff2c99c0f438

306 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 68% of them (15 requests) were addressed to the original Justvoip.com, 18% (4 requests) were made to Voipbuster.com and 14% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (440 ms) belongs to the original domain Justvoip.com.

Content Size

49.6 kB

After Optimization

22.2 kB

In fact, the total size of Justvoip.com main page is 49.6 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. 30% of websites need less resources to load. HTML takes 33.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 27.4 kB

Original 33.4 kB
After minification 29.6 kB
After compression 6.0 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 3.8 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 27.4 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 49 B

Original 16.2 kB
After minification 16.2 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. Justvoip images are well optimized though.

Requests Now

After Optimization

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Justvoip. 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 Justvoip.com 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 Justvoip.com 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 Justvoip. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: