Tools & Wizards About Us

Report Summary

  • 0

    Performance

  • 45

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

28f51.com

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Page Load Speed

29.8 sec in total

First Response

5.2 sec

Resources Loaded

24.3 sec

Page Rendered

210 ms

About Website

Visit 28f51.com now to see the best up-to-date 28 F 51 content for China and also check out these interesting facts you probably never knew about 28f51.com

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Key Findings

We analyzed 28f51.com page load time and found that the first response time was 5.2 sec and then it took 24.5 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.

Performance Metrics

28f51.com performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.156

74/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

28f51.com

5227 ms

css.css

449 ms

ny.css

5503 ms

top.css

8286 ms

foot.css

6463 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 21% of them (9 requests) were addressed to the original 28f51.com, 79% (33 requests) were made to Images.zf9918.com. The less responsive or slowest element that took the longest time to load (10.8 sec) relates to the external source Images.zf9918.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.8 kB (8%)

Content Size

337.4 kB

After Optimization

309.6 kB

  • HTML
  • Images
  • CSS

In fact, the total size of 28f51.com main page is 337.4 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 303.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 11.7 kB

  • Original 14.3 kB
  • After minification 12.7 kB
  • After compression 2.6 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 11.7 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 837 B

  • Original 303.7 kB
  • After minification 302.8 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 F 51 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. 28f51.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

41

After Optimization

37

  • Images
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 28 F 51. 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

28f51.com accessibility score

45

Accessibility Issues

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

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

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

28f51.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

28f51.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 uses legible font sizes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 28f51.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that 28f51.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 F 51. 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: