Tools & Wizards About Us

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

supervoip.com

SuperVoip | Mega cheap, mega good quality

Page Load Speed

2.7 sec in total

First Response

404 ms

Resources Loaded

2.2 sec

Page Rendered

86 ms

About Website

Visit supervoip.com now to see the best up-to-date Super Voip content and also check out these interesting facts you probably never knew about supervoip.com

SuperVoip provides the easiest way to call with the cheapest rates. Enjoy a crystal clear calling quality SuperVoip offers.

Visit supervoip.com

Key Findings

We analyzed Supervoip.com page load time and found that the first response time was 404 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

supervoip.com performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value640 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.3 s

31/100

10%

Network Requests Diagram

dashboard

404 ms

dc0f494040d4554affb2e8dc892774bb

198 ms

js

69 ms

js

108 ms

slider.css

254 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 71% of them (22 requests) were addressed to the original Supervoip.com, 13% (4 requests) were made to Voipbuster.com and 10% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (626 ms) belongs to the original domain Supervoip.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.5 kB (11%)

Content Size

194.6 kB

After Optimization

174.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Supervoip.com main page is 194.6 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. 40% of websites need less resources to load. Images take 91.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 16.8 kB

  • Original 21.6 kB
  • After minification 17.4 kB
  • After compression 4.9 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 4.2 kB, which is 20% 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 16.8 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 3.6 kB

  • Original 91.5 kB
  • After minification 87.9 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. Super Voip images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 62 B

  • Original 80.9 kB
  • After minification 80.9 kB
  • After compression 80.8 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

-19%

Potential reduce by 111 B

  • Original 584 B
  • After minification 584 B
  • After compression 473 B

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. Supervoip.com needs all CSS files to be minified and compressed as it can save up to 111 B or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (48%)

Requests Now

27

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Super Voip. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

supervoip.com accessibility score

51

Accessibility Issues

Names and labels

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.

Impact

Issue

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

Internationalization and localization

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

Impact

Issue

High

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

supervoip.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

supervoip.com SEO score

93

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

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 Supervoip.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 Supervoip.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 Super Voip. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: