Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 41

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

zbdongrui.com

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Page Load Speed

7.2 sec in total

First Response

424 ms

Resources Loaded

5.5 sec

Page Rendered

1.2 sec

zbdongrui.com screenshot

About Website

Click here to check amazing Zbdongrui content. Otherwise, check out these important facts you probably never knew about zbdongrui.com

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Visit zbdongrui.com

Key Findings

We analyzed Zbdongrui.com page load time and found that the first response time was 424 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

zbdongrui.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value93.2 s

0/100

25%

SI (Speed Index)

Value15.5 s

0/100

10%

TBT (Total Blocking Time)

Value10,850 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value51.2 s

0/100

10%

Network Requests Diagram

www.zbdongrui.com

424 ms

seyuav-font.css

119 ms

seyuav-ui.css

123 ms

seyuav-site.css

128 ms

seyuav-color.css

128 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 38% of them (30 requests) were addressed to the original Zbdongrui.com, 4% (3 requests) were made to Kvkaa.com and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (4.3 sec) relates to the external source Sz88.oss-cn-shenzhen.aliyuncs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 226.2 kB (68%)

Content Size

332.4 kB

After Optimization

106.2 kB

In fact, the total size of Zbdongrui.com main page is 332.4 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. HTML takes 200.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 161.8 kB

  • Original 200.1 kB
  • After minification 171.7 kB
  • After compression 38.3 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 28.4 kB, which is 14% 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 161.8 kB or 81% of the original size.

Image Optimization

-70%

Potential reduce by 26.2 kB

  • Original 37.2 kB
  • After minification 11.0 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, Zbdongrui needs image optimization as it can save up to 26.2 kB or 70% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-21%

Potential reduce by 10.6 kB

  • Original 50.1 kB
  • After minification 49.7 kB
  • After compression 39.5 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 10.6 kB or 21% of the original size.

CSS Optimization

-61%

Potential reduce by 27.5 kB

  • Original 45.0 kB
  • After minification 45.0 kB
  • After compression 17.5 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. Zbdongrui.com needs all CSS files to be minified and compressed as it can save up to 27.5 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (41%)

Requests Now

51

After Optimization

30

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zbdongrui. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zbdongrui.com accessibility score

41

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

<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

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

High

[lang] attributes do not have a valid value

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.

Best Practices

zbdongrui.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

SEO Factors

zbdongrui.com SEO score

81

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zbdongrui.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese 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 Zbdongrui.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 Zbdongrui. 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: