Tools & Wizards About Us
zztuku.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

zztuku.com

站长图库-精品VIP商业源码素材资源分享

Page Load Speed

134.6 sec in total

First Response

3.4 sec

Resources Loaded

130.7 sec

Page Rendered

455 ms

zztuku.com screenshot

About Website

Click here to check amazing Zztuku content for China. Otherwise, check out these important facts you probably never knew about zztuku.com

站长图库提供站长素材,网站建设源码,thinkphp源码,APP源码,小程序模板源码,织梦dedecms,手机网页模板,网页js特效,WordPress主题模板,网站模板插件,站长素材图库和免费商用字体库资源以及PPT模板等站长商业VIP资源素材下载。

Visit zztuku.com

Key Findings

We analyzed Zztuku.com page load time and found that the first response time was 3.4 sec and then it took 131.1 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 109 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zztuku.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

Network Requests Diagram

zztuku.com

3445 ms

www.zztuku.com

12580 ms

zztuku.min.js

8293 ms

base.js

1272 ms

dedeajax2.js

1543 ms

Our browser made a total of 265 requests to load all elements on the main page. We found that 78% of them (208 requests) were addressed to the original Zztuku.com, 5% (12 requests) were made to Pos.baidu.com and 3% (7 requests) were made to Cpro.baidustatic.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source T11.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 566.6 kB (17%)

Content Size

3.4 MB

After Optimization

2.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zztuku.com main page is 3.4 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. 45% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 158.1 kB

  • Original 180.9 kB
  • After minification 170.6 kB
  • After compression 22.8 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 158.1 kB or 87% of the original size.

Image Optimization

-4%

Potential reduce by 122.3 kB

  • Original 2.7 MB
  • After minification 2.6 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. Zztuku images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 243.5 kB

  • Original 374.1 kB
  • After minification 370.7 kB
  • After compression 130.7 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 243.5 kB or 65% of the original size.

CSS Optimization

-77%

Potential reduce by 42.7 kB

  • Original 55.3 kB
  • After minification 52.4 kB
  • After compression 12.6 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. Zztuku.com needs all CSS files to be minified and compressed as it can save up to 42.7 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (22%)

Requests Now

154

After Optimization

120

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 154 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zztuku. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zztuku.com

zztuku.com

3445 ms

www.zztuku.com

www.zztuku.com

12580 ms

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8293 ms

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base.js

1272 ms

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1030 ms

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20000 ms

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17219 ms

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18693 ms

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20458 ms

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18476 ms

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20326 ms

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19333 ms

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19999 ms

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19522 ms

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19897 ms

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20265 ms

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18071 ms

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18044 ms

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17628 ms

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19333 ms

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17855 ms

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16791 ms

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17856 ms

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17817 ms

footer.png

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17556 ms

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20004 ms

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19998 ms

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19998 ms

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20196 ms

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19807 ms

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19998 ms

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2440 ms

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874 ms

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498 ms

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774 ms

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983 ms

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622 ms

Accessibility Review

zztuku.com accessibility score

84

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

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

zztuku.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zztuku.com SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Zztuku.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 Zztuku.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

zztuku.com

Open Graph description is not detected on the main page of Zztuku. 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: