Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

zhcall.com

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Page Load Speed

26.6 sec in total

First Response

2.4 sec

Resources Loaded

23.9 sec

Page Rendered

335 ms

zhcall.com screenshot

About Website

Visit zhcall.com now to see the best up-to-date Zhcall content for China and also check out these interesting facts you probably never knew about zhcall.com

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Visit zhcall.com

Key Findings

We analyzed Zhcall.com page load time and found that the first response time was 2.4 sec and then it took 24.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

zhcall.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value4.0 s

81/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value7.2 s

51/100

10%

Network Requests Diagram

zhcall.com

2369 ms

banner.js

1091 ms

jquery-1.4.2.min.js

2853 ms

top1.js

911 ms

js.js

1154 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 82% of them (97 requests) were addressed to the original Zhcall.com, 8% (10 requests) were made to V3.jiathis.com and 1% (1 request) were made to Js.users.51.la. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Zhcall.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 294.4 kB (63%)

Content Size

466.8 kB

After Optimization

172.4 kB

In fact, the total size of Zhcall.com main page is 466.8 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. Javascripts take 221.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 52.8 kB

  • Original 64.4 kB
  • After minification 57.6 kB
  • After compression 11.6 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. This page needs HTML code to be minified as it can gain 6.8 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 52.8 kB or 82% of the original size.

Image Optimization

-31%

Potential reduce by 35.8 kB

  • Original 115.2 kB
  • After minification 79.4 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, Zhcall needs image optimization as it can save up to 35.8 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 148.3 kB

  • Original 221.0 kB
  • After minification 216.6 kB
  • After compression 72.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 148.3 kB or 67% of the original size.

CSS Optimization

-87%

Potential reduce by 57.6 kB

  • Original 66.2 kB
  • After minification 61.0 kB
  • After compression 8.6 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. Zhcall.com needs all CSS files to be minified and compressed as it can save up to 57.6 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (39%)

Requests Now

115

After Optimization

70

The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhcall. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

zhcall.com accessibility score

89

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

zhcall.com best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

zhcall.com SEO score

92

Search Engine Optimization Advices

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zhcall.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Zhcall.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 description is not detected on the main page of Zhcall. 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: