Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

yzok.com

阿帕云引擎

Page Load Speed

62.2 sec in total

First Response

14.5 sec

Resources Loaded

47.4 sec

Page Rendered

212 ms

yzok.com screenshot

About Website

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

云引擎,企业级高可用云服务器

Visit yzok.com

Key Findings

We analyzed Yzok.com page load time and found that the first response time was 14.5 sec and then it took 47.6 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. Unfortunately, there were 28 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

yzok.com performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

98/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value4.4 s

75/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.229

55/100

15%

TTI (Time to Interactive)

Value3.6 s

92/100

10%

Network Requests Diagram

yzok.com

14521 ms

91dede.css

3778 ms

jquery-1.4.2.min.js

10517 ms

91dede.js

4542 ms

css.css

13747 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 96% of them (54 requests) were addressed to the original Yzok.com, 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Yzok.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 156.4 kB (41%)

Content Size

384.6 kB

After Optimization

228.2 kB

In fact, the total size of Yzok.com main page is 384.6 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. Only 10% of websites need less resources to load. Images take 224.3 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 29.8 kB

  • Original 36.2 kB
  • After minification 28.5 kB
  • After compression 6.4 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 7.7 kB, which is 21% 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 29.8 kB or 82% of the original size.

Image Optimization

-16%

Potential reduce by 36.6 kB

  • Original 224.3 kB
  • After minification 187.8 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, Yzok needs image optimization as it can save up to 36.6 kB or 16% 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 56.8 kB

  • Original 85.2 kB
  • After minification 84.2 kB
  • After compression 28.4 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 56.8 kB or 67% of the original size.

CSS Optimization

-86%

Potential reduce by 33.3 kB

  • Original 39.0 kB
  • After minification 32.4 kB
  • After compression 5.6 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. Yzok.com needs all CSS files to be minified and compressed as it can save up to 33.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (26%)

Requests Now

27

After Optimization

20

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yzok. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

yzok.com accessibility score

43

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

yzok.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

yzok.com SEO score

67

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yzok.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 Yzok.com main page’s claimed encoding is utf8. 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 Yzok. 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: