Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 43

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

zzktz.com

郑州APP开发,郑州APP制作,郑州APP定制,郑州网站建设,郑州微信开发 ,郑州微信小程序开发,郑州网络公司- 郑州开拓者电子科技有限公司

Page Load Speed

68.7 sec in total

First Response

1.2 sec

Resources Loaded

67.3 sec

Page Rendered

243 ms

zzktz.com screenshot

About Website

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

开拓者科技是一家专业的网络开发公司。联系电话:0371-86662825 主营:郑州APP开发,郑州APP制作,郑州APP定制,微信开发,网站建设,网络服务等,技术实力过硬,为众多知名企业提供过高品质的技术开发、维护等服务。

Visit zzktz.com

Key Findings

We analyzed Zzktz.com page load time and found that the first response time was 1.2 sec and then it took 67.6 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 61 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zzktz.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value4,060 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.24

52/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

zzktz.com

1151 ms

www.zzktz.com

10922 ms

v2commom.css

3296 ms

v2hf.css

3689 ms

v2kf.css

3690 ms

Our browser made a total of 122 requests to load all elements on the main page. We found that 65% of them (79 requests) were addressed to the original Zzktz.com, 15% (18 requests) were made to Qiao.baidu.com and 7% (8 requests) were made to P9.qiao.baidu.com. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Zzktz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 247.0 kB (48%)

Content Size

515.1 kB

After Optimization

268.1 kB

In fact, the total size of Zzktz.com main page is 515.1 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. 20% of websites need less resources to load. Images take 241.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 25.4 kB

  • Original 31.7 kB
  • After minification 30.7 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. 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 25.4 kB or 80% of the original size.

Image Optimization

-22%

Potential reduce by 53.1 kB

  • Original 241.1 kB
  • After minification 188.0 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, Zzktz needs image optimization as it can save up to 53.1 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 142.2 kB

  • Original 210.4 kB
  • After minification 194.1 kB
  • After compression 68.1 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 142.2 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 26.4 kB

  • Original 31.9 kB
  • After minification 24.1 kB
  • After compression 5.5 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. Zzktz.com needs all CSS files to be minified and compressed as it can save up to 26.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (64%)

Requests Now

58

After Optimization

21

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zzktz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zzktz.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

zzktz.com 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zzktz.com SEO score

77

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zzktz.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 Zzktz.com main page’s claimed encoding is gb2312. 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 Zzktz. 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: