Tools & Wizards About Us
54os.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

54os.com

欧思留学

Page Load Speed

44.3 sec in total

First Response

1.5 sec

Resources Loaded

42.1 sec

Page Rendered

658 ms

54os.com screenshot

About Website

Visit 54os.com now to see the best up-to-date 54 Os content and also check out these interesting facts you probably never knew about 54os.com

提供全球名校录取条件查询,全球院校排名及各专业排名,热门项目深度解析,申请案例分享,文书写作指导,留学问答,以及CAAS一站式申请

Visit 54os.com

Key Findings

We analyzed 54os.com page load time and found that the first response time was 1.5 sec and then it took 42.7 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 were 25 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

54os.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.584

11/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

54os.com

1542 ms

www.54os.com

3459 ms

index.css

1095 ms

add.css

2544 ms

layout.css

2236 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 88% of them (56 requests) were addressed to the original 54os.com, 3% (2 requests) were made to Pub.idqqimg.com and 2% (1 request) were made to S95.cnzz.com. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain 54os.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 111.6 kB (67%)

Content Size

166.4 kB

After Optimization

54.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 54os.com main page is 166.4 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. 15% of websites need less resources to load. HTML takes 68.4 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 60.3 kB

  • Original 68.4 kB
  • After minification 41.1 kB
  • After compression 8.1 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 27.2 kB, which is 40% 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 60.3 kB or 88% of the original size.

Image Optimization

-22%

Potential reduce by 9.0 kB

  • Original 40.9 kB
  • After minification 32.0 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, 54 Os needs image optimization as it can save up to 9.0 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 17.4 kB

  • Original 24.9 kB
  • After minification 23.1 kB
  • After compression 7.5 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 17.4 kB or 70% of the original size.

CSS Optimization

-77%

Potential reduce by 24.9 kB

  • Original 32.2 kB
  • After minification 30.3 kB
  • After compression 7.3 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. 54os.com needs all CSS files to be minified and compressed as it can save up to 24.9 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (25%)

Requests Now

36

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 54 Os. 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 JavaScripts and as a result speed up the page load time.

Network Requests Diagram

54os.com

54os.com

1542 ms

www.54os.com

www.54os.com

3459 ms

index.css

index.css

1095 ms

add.css

add.css

2544 ms

layout.css

layout.css

2236 ms

jquery.js

jquery.js

13514 ms

jquery.lazyload.js

jquery.lazyload.js

5040 ms

w3cer.js

w3cer.js

2605 ms

weibo.png

weibo.png

375 ms

qq.png

qq.png

367 ms

tel.png

tel.png

366 ms

logo.png

logo.png

6974 ms

kecheng_bg.png

kecheng_bg.png

1600 ms

115638484e65467.jpg

115638484e65467.jpg

17684 ms

11563848602a733.jpg

11563848602a733.jpg

1901 ms

11563c1a79b5e38.jpg

11563c1a79b5e38.jpg

20236 ms

115638487d599af.jpg

115638487d599af.jpg

19249 ms

f1-1.png

f1-1.png

3912 ms

play.png

play.png

2261 ms

f1-2.png

f1-2.png

4039 ms

f1-3.png

f1-3.png

10581 ms

f1-4.png

f1-4.png

7963 ms

f1-5.png

f1-5.png

20234 ms

f1-6.png

f1-6.png

12187 ms

f1-7.png

f1-7.png

16276 ms

f1-8.png

f1-8.png

14465 ms

f2-1.png

f2-1.png

16057 ms

play2.png

play2.png

16775 ms

f2-2.png

f2-2.png

20232 ms

f2-3.png

f2-3.png

20233 ms

f2-4.png

f2-4.png

20233 ms

f2-5.png

f2-5.png

20231 ms

f2-6.png

f2-6.png

20232 ms

f2-7.png

f2-7.png

20232 ms

f2-8.png

f2-8.png

20232 ms

f3-1.png

f3-1.png

20231 ms

f3-2.png

f3-2.png

20231 ms

f3-3.png

f3-3.png

20231 ms

f3-4.png

f3-4.png

20231 ms

f3-5.png

f3-5.png

20231 ms

f3-6.png

f3-6.png

20230 ms

f3-7.png

f3-7.png

20231 ms

f3-8.png

f3-8.png

20231 ms

f3-9.png

f3-9.png

20199 ms

stat.php

stat.php

1368 ms

f3-10.png

f3-10.png

19878 ms

guoqi_1.jpg

guoqi_1.jpg

19878 ms

guoqi_2.jpg

guoqi_2.jpg

19870 ms

stat.htm

stat.htm

162 ms

core.php

core.php

847 ms

guoqi_3.jpg

guoqi_3.jpg

19638 ms

guoqi_4.jpg

guoqi_4.jpg

20335 ms

f6_bg.png

f6_bg.png

19975 ms

9.gif

9.gif

3874 ms

pic1.gif

pic1.gif

774 ms

footer.png

footer.png

20323 ms

jiazi.png

jiazi.png

19001 ms

app.gif

app.gif

3658 ms

jiazi2.png

jiazi2.png

17106 ms

beikao.png

beikao.png

14985 ms

erweima.png

erweima.png

15184 ms

grey.gif

grey.gif

11218 ms

button_131.gif

button_131.gif

505 ms

button_131.gif

button_131.gif

884 ms

Accessibility Review

54os.com accessibility score

74

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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

54os.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

54os.com SEO score

90

Search Engine Optimization Advices

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

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

High

Tap targets are not sized appropriately

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 54os.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 54os.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

54os.com

Open Graph description is not detected on the main page of 54 Os. 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: