Report Summary

  • 77

    Performance

    Renders faster than
    85% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

callcentric.com

Callcentric - VoIP Internet phone service

Page Load Speed

568 ms in total

First Response

28 ms

Resources Loaded

375 ms

Page Rendered

165 ms

callcentric.com screenshot

About Website

Visit callcentric.com now to see the best up-to-date Callcentric content for United States and also check out these interesting facts you probably never knew about callcentric.com

Internet phone service for your home or office. Pay per call and Unlimited rate plans, phone numbers worldwide. Sign up for a free account today.

Visit callcentric.com

Key Findings

We analyzed Callcentric.com page load time and found that the first response time was 28 ms and then it took 540 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

callcentric.com performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

43/100

25%

SI (Speed Index)

Value2.7 s

96/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

callcentric.com

28 ms

www.callcentric.com

133 ms

index.201.css

9 ms

jquery-ui-1.8.18.custom.css

18 ms

jquery-1.7.1.min.js

38 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 92% of them (35 requests) were addressed to the original Callcentric.com, 5% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (133 ms) belongs to the original domain Callcentric.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 351.1 kB (36%)

Content Size

978.0 kB

After Optimization

626.9 kB

In fact, the total size of Callcentric.com main page is 978.0 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. 35% of websites need less resources to load. Images take 544.4 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 26.4 kB

  • Original 34.9 kB
  • After minification 33.6 kB
  • After compression 8.5 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 26.4 kB or 76% of the original size.

Image Optimization

-7%

Potential reduce by 40.2 kB

  • Original 544.4 kB
  • After minification 504.2 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. Callcentric images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 219.2 kB

  • Original 321.5 kB
  • After minification 314.9 kB
  • After compression 102.2 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 219.2 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 65.2 kB

  • Original 77.3 kB
  • After minification 63.7 kB
  • After compression 12.0 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. Callcentric.com needs all CSS files to be minified and compressed as it can save up to 65.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (31%)

Requests Now

36

After Optimization

25

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Callcentric. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

callcentric.com accessibility score

73

Accessibility Issues

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

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

Form elements do not have associated labels

Best Practices

callcentric.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

callcentric.com SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Callcentric.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Callcentric.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Callcentric. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: