Tools & Wizards About Us

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

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

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

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: