Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

zibolvshi.com

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Page Load Speed

18.2 sec in total

First Response

591 ms

Resources Loaded

4.4 sec

Page Rendered

13.2 sec

zibolvshi.com screenshot

About Website

Welcome to zibolvshi.com homepage info - get ready to check Zibolvshi best content right away, or after learning these important things about zibolvshi.com

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Visit zibolvshi.com

Key Findings

We analyzed Zibolvshi.com page load time and found that the first response time was 591 ms and then it took 17.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

zibolvshi.com performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.086

93/100

15%

TTI (Time to Interactive)

Value5.1 s

76/100

10%

Network Requests Diagram

www.zibolvshi.com

591 ms

jquery.min.js

293 ms

swiper.min.js

305 ms

bootstrap.min.js

222 ms

jquery.lazyload.min.js

150 ms

Our browser made a total of 443 requests to load all elements on the main page. We found that 9% of them (38 requests) were addressed to the original Zibolvshi.com, 87% (386 requests) were made to Ddcdn.kd-pic6669.com and 1% (5 requests) were made to Avre06.com. The less responsive or slowest element that took the longest time to load (2.7 sec) relates to the external source 1cdn.yuanpinghengkangfuyouxiangongsi.top.

Page Optimization Overview & Recommendations

Page size can be reduced by 612.4 kB (2%)

Content Size

30.7 MB

After Optimization

30.1 MB

In fact, the total size of Zibolvshi.com main page is 30.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Images take 30.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 261.5 kB

  • Original 314.1 kB
  • After minification 266.8 kB
  • After compression 52.6 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 47.3 kB, which is 15% 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 261.5 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 316.4 kB

  • Original 30.2 MB
  • After minification 29.9 MB

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. Zibolvshi images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 18.4 kB

  • Original 109.3 kB
  • After minification 108.4 kB
  • After compression 90.9 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 18.4 kB or 17% of the original size.

CSS Optimization

-25%

Potential reduce by 16.1 kB

  • Original 63.4 kB
  • After minification 63.4 kB
  • After compression 47.3 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. Zibolvshi.com needs all CSS files to be minified and compressed as it can save up to 16.1 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (6%)

Requests Now

433

After Optimization

405

The browser has sent 433 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zibolvshi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zibolvshi.com accessibility score

49

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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.

Internationalization and localization

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

Impact

Issue

High

[lang] attributes do not have a valid value

Best Practices

zibolvshi.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

zibolvshi.com SEO score

91

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zibolvshi.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed Chinese language. Our system also found out that Zibolvshi.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 Zibolvshi. 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: