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zp512.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

zp512.com

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Page Load Speed

33 sec in total

First Response

1.3 sec

Resources Loaded

31.1 sec

Page Rendered

578 ms

zp512.com screenshot

About Website

Visit zp512.com now to see the best up-to-date Zp 512 content and also check out these interesting facts you probably never knew about zp512.com

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Key Findings

We analyzed Zp512.com page load time and found that the first response time was 1.3 sec and then it took 31.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

zp512.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value11.3 s

0/100

25%

SI (Speed Index)

Value11.3 s

5/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

zp512.com

1326 ms

www.zp512.com

4966 ms

jquery.js

1951 ms

jquery.cookie.js

883 ms

global.js

2922 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 50% of them (40 requests) were addressed to the original Zp512.com, 29% (23 requests) were made to Pic.zp512.com and 11% (9 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Pic.zp512.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 593.9 kB (73%)

Content Size

816.8 kB

After Optimization

222.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zp512.com main page is 816.8 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. 30% of websites need less resources to load. Javascripts take 520.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 115.1 kB

  • Original 135.5 kB
  • After minification 116.0 kB
  • After compression 20.3 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 19.4 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 115.1 kB or 85% of the original size.

Image Optimization

-13%

Potential reduce by 7.7 kB

  • Original 60.0 kB
  • After minification 52.3 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, Zp 512 needs image optimization as it can save up to 7.7 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 383.4 kB

  • Original 520.8 kB
  • After minification 340.0 kB
  • After compression 137.4 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 383.4 kB or 74% of the original size.

CSS Optimization

-87%

Potential reduce by 87.7 kB

  • Original 100.5 kB
  • After minification 56.8 kB
  • After compression 12.8 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. Zp512.com needs all CSS files to be minified and compressed as it can save up to 87.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (39%)

Requests Now

77

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zp 512. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zp512.com

zp512.com

1326 ms

www.zp512.com

www.zp512.com

4966 ms

jquery.js

jquery.js

1951 ms

jquery.cookie.js

jquery.cookie.js

883 ms

global.js

global.js

2922 ms

flash.js

flash.js

1109 ms

jquery.qrcode.min.js

jquery.qrcode.min.js

2198 ms

strophe.js

strophe.js

4955 ms

json2.js

json2.js

3188 ms

easemob.im-1.0.7.js

easemob.im-1.0.7.js

5377 ms

easemob.im.config.js

easemob.im.config.js

2746 ms

IM.js

IM.js

3300 ms

global.css

global.css

5869 ms

index.css

index.css

4855 ms

selector.css

selector.css

3847 ms

LazyLoad.js

LazyLoad.js

3825 ms

jquery.textSlider.js

jquery.textSlider.js

4320 ms

jquery.banner.js

jquery.banner.js

4428 ms

index.js

index.js

5998 ms

jquery.plugins.js

jquery.plugins.js

7597 ms

CommonLibs.js

CommonLibs.js

6657 ms

tip.js

tip.js

5397 ms

jquery.public.js

jquery.public.js

5800 ms

jquery.ajaxtips.js

jquery.ajaxtips.js

5847 ms

demo.js

demo.js

6236 ms

share.js

share.js

6067 ms

logo.gif

logo.gif

11628 ms

t5.gif

t5.gif

2659 ms

130650175406342695.jpg

130650175406342695.jpg

8542 ms

130565509546093750.jpg

130565509546093750.jpg

9875 ms

130565608960156250.gif

130565608960156250.gif

3432 ms

130565607475156250.gif

130565607475156250.gif

5413 ms

130565510143437500.gif

130565510143437500.gif

7093 ms

pixel.gif

pixel.gif

441 ms

jt.gif

jt.gif

554 ms

wall.jpg

wall.jpg

1756 ms

t4.gif

t4.gif

5116 ms

t3.gif

t3.gif

1126 ms

t7.gif

t7.gif

1122 ms

t6.gif

t6.gif

3073 ms

t2.gif

t2.gif

1672 ms

t1.gif

t1.gif

1674 ms

head.gif

head.gif

2072 ms

12BAO.gif

12BAO.gif

1788 ms

reg.gif

reg.gif

1832 ms

i1.gif

i1.gif

545 ms

i2.gif

i2.gif

1213 ms

icons.gif

icons.gif

2798 ms

index_art.gif

index_art.gif

4596 ms

right_icon.png

right_icon.png

2754 ms

News.png

News.png

2115 ms

User.png

User.png

2121 ms

GetFcKeyword.ashx

GetFcKeyword.ashx

2355 ms

130572304429375000.gif

130572304429375000.gif

5584 ms

130565501721250000.gif

130565501721250000.gif

7472 ms

130571602398593750.jpg

130571602398593750.jpg

6665 ms

130565604353125000.gif

130565604353125000.gif

9479 ms

130734518140257864.gif

130734518140257864.gif

7198 ms

130565595487656250.gif

130565595487656250.gif

7756 ms

130734520969282423.gif

130734520969282423.gif

9227 ms

130565593968437500.gif

130565593968437500.gif

9380 ms

130565507945937500.gif

130565507945937500.gif

8954 ms

130565507580156250.gif

130565507580156250.gif

16168 ms

130565507221406250.gif

130565507221406250.gif

9505 ms

130565506760000000.gif

130565506760000000.gif

11335 ms

130565501072500000.gif

130565501072500000.gif

9928 ms

130565499839843750.gif

130565499839843750.gif

12428 ms

130565497056718750.gif

130565497056718750.gif

10055 ms

130565495855937500.gif

130565495855937500.gif

20289 ms

130650172900993063.jpg

130650172900993063.jpg

18277 ms

loading.gif

loading.gif

2583 ms

share_api.js

share_api.js

455 ms

share_view.js

share_view.js

867 ms

tangram.js

tangram.js

9988 ms

api_base.js

api_base.js

983 ms

view_base.js

view_base.js

9539 ms

logger.js

logger.js

457 ms

partners.js

partners.js

4970 ms

share_style0_16.css

share_style0_16.css

1607 ms

button_11.gif

button_11.gif

471 ms

Accessibility Review

zp512.com accessibility score

60

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

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>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

zp512.com best practices score

50

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

SEO Factors

zp512.com SEO score

58

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

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 Zp512.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 Zp512.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

zp512.com

Open Graph description is not detected on the main page of Zp 512. 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: