Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

51zhiwu.com

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Page Load Speed

5.1 sec in total

First Response

2.5 sec

Resources Loaded

2.5 sec

Page Rendered

104 ms

About Website

Click here to check amazing 51 Zhiwu content. Otherwise, check out these important facts you probably never knew about 51zhiwu.com

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Key Findings

We analyzed 51zhiwu.com page load time and found that the first response time was 2.5 sec and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

51zhiwu.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value0.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

51zhiwu.com

2477 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to 51zhiwu.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain 51zhiwu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 228 B (37%)

Content Size

620 B

After Optimization

392 B

In fact, the total size of 51zhiwu.com main page is 620 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 620 B which makes up the majority of the site volume.

HTML Optimization

-37%

Potential reduce by 228 B

  • Original 620 B
  • After minification 594 B
  • After compression 392 B

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 228 B or 37% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

51zhiwu.com accessibility score

76

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

Best Practices

51zhiwu.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

SEO Factors

51zhiwu.com SEO score

64

Search Engine Optimization Advices

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 51zhiwu.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 51zhiwu.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

Open Graph description is not detected on the main page of 51 Zhiwu. 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: