Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

call4.net

Call4.Net

Page Load Speed

1.3 sec in total

First Response

119 ms

Resources Loaded

990 ms

Page Rendered

148 ms

call4.net screenshot

About Website

Visit call4.net now to see the best up-to-date Call4 content and also check out these interesting facts you probably never knew about call4.net

Website description

Visit call4.net

Key Findings

We analyzed Call4.net page load time and found that the first response time was 119 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

call4.net performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

call4.net

119 ms

www.call4.net

382 ms

css.php

216 ms

index.php

246 ms

index.php

321 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 94% of them (15 requests) were addressed to the original Call4.net, 6% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (382 ms) belongs to the original domain Call4.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 80.3 kB (82%)

Content Size

97.9 kB

After Optimization

17.6 kB

In fact, the total size of Call4.net main page is 97.9 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. 25% of websites need less resources to load. CSS take 75.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 11.7 kB

  • Original 14.7 kB
  • After minification 14.1 kB
  • After compression 3.0 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. 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 11.7 kB or 80% of the original size.

Image Optimization

-65%

Potential reduce by 4.9 kB

  • Original 7.6 kB
  • After minification 2.7 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. Obviously, Call4 needs image optimization as it can save up to 4.9 kB or 65% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-84%

Potential reduce by 63.7 kB

  • Original 75.6 kB
  • After minification 55.5 kB
  • After compression 11.9 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. Call4.net needs all CSS files to be minified and compressed as it can save up to 63.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (57%)

Requests Now

14

After Optimization

6

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Call4. 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 CSS and as a result speed up the page load time.

Accessibility Review

call4.net accessibility score

67

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

call4.net 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

SEO Factors

call4.net SEO score

67

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Call4.net 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 Call4.net 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 description is not detected on the main page of Call4. 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: