Tools & Wizards About Us

Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

28d581.com

红牛AV

Page Load Speed

20.4 sec in total

First Response

1.3 sec

Resources Loaded

18.9 sec

Page Rendered

251 ms

About Website

Welcome to 28d581.com homepage info - get ready to check 28 D 581 best content for China right away, or after learning these important things about 28d581.com

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Visit 28d581.com

Key Findings

We analyzed 28d581.com page load time and found that the first response time was 1.3 sec and then it took 19.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

28d581.com performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

79/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

28d581.com

1275 ms

css.css

1949 ms

ny.css

4313 ms

top.css

4323 ms

foot.css

8208 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 23% of them (10 requests) were addressed to the original 28d581.com, 56% (24 requests) were made to Zhifuwang.cn and 21% (9 requests) were made to Images.zf9918.com. The less responsive or slowest element that took the longest time to load (9.4 sec) belongs to the original domain 28d581.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.2 kB (14%)

Content Size

258.3 kB

After Optimization

223.1 kB

  • HTML
  • Images
  • CSS

In fact, the total size of 28d581.com main page is 258.3 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 224.5 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 11.8 kB

  • Original 14.5 kB
  • After minification 12.8 kB
  • After compression 2.7 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 1.6 kB, which is 11% 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 11.8 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 8.2 kB

  • Original 224.5 kB
  • After minification 216.3 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. 28 D 581 images are well optimized though.

CSS Optimization

-79%

Potential reduce by 15.2 kB

  • Original 19.4 kB
  • After minification 16.9 kB
  • After compression 4.1 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. 28d581.com needs all CSS files to be minified and compressed as it can save up to 15.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (10%)

Requests Now

42

After Optimization

38

  • Images
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 28 D 581. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

28d581.com accessibility score

86

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.

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

<frame> or <iframe> elements do not have a title

Best Practices

28d581.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

28d581.com SEO score

92

Search Engine Optimization Advices

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 28d581.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 28d581.com main page’s claimed encoding is gbk. 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 28 D 581. 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: