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ucai.cn screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

ucai.cn

UCAI - 互联网职业技能在线学习平台

Page Load Speed

64.4 sec in total

First Response

2.2 sec

Resources Loaded

61.3 sec

Page Rendered

910 ms

ucai.cn screenshot

About Website

Welcome to ucai.cn homepage info - get ready to check UCAI best content for China right away, or after learning these important things about ucai.cn

UCAI是国内唯一一家专注于多方向全栈工程师培养的互联网职业技能在线学习平台，致力于打造中国IT职业教育O2O创新品牌。

Visit ucai.cn

Key Findings

We analyzed Ucai.cn page load time and found that the first response time was 2.2 sec and then it took 62.2 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. Unfortunately, there were 20 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

ucai.cn performance score

0

Network Requests Diagram

ucai.cn

2216 ms

www.ucai.cn

4385 ms

bootstrap.css

7462 ms

font-awesome.css

4379 ms

base-2c1ad1871b.css

4426 ms

Our browser made a total of 147 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Ucai.cn, 76% (112 requests) were made to P10.ucai.cn and 14% (20 requests) were made to S10.ucai.cn. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source P10.ucai.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 695.4 kB (13%)

Content Size

5.4 MB

After Optimization

4.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ucai.cn main page is 5.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 4.7 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 98.8 kB

  • Original 115.5 kB
  • After minification 77.0 kB
  • After compression 16.7 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 38.5 kB, which is 33% 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 98.8 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 201.4 kB

  • Original 4.7 MB
  • After minification 4.5 MB

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. UCAI images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 179.0 kB

  • Original 268.8 kB
  • After minification 268.7 kB
  • After compression 89.8 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 179.0 kB or 67% of the original size.

CSS Optimization

-85%

Potential reduce by 216.2 kB

  • Original 252.9 kB
  • After minification 234.6 kB
  • After compression 36.7 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. Ucai.cn needs all CSS files to be minified and compressed as it can save up to 216.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (30%)

Requests Now

123

After Optimization

86

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 123 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UCAI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ucai.cn

ucai.cn

2216 ms

www.ucai.cn

www.ucai.cn

4385 ms

bootstrap.css

bootstrap.css

7462 ms

font-awesome.css

font-awesome.css

4379 ms

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4426 ms

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4424 ms

common-7c4524530e.css

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5240 ms

jquerynew.js

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7101 ms

bootstrap.js

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5289 ms

Ucai-7102dede71.js

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4897 ms

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5093 ms

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6840 ms

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5631 ms

touch-0.2.14.min.js

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6838 ms

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5276 ms

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989 ms

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5265 ms

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6067 ms

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20375 ms

talk99.css

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1244 ms

talk99.js

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3080 ms

fontawesome-webfont.woff

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2341 ms

glyphicons-halflings-regular.woff

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524 ms

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253 ms

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767 ms

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749 ms

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1763 ms

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1003 ms

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16286 ms

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17225 ms

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19833 ms

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10759 ms

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11193 ms

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15631 ms

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10250 ms

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11817 ms

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9283 ms

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1929 ms

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8003 ms

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7013 ms

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7207 ms

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6608 ms

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7069 ms

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8853 ms

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7743 ms

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8981 ms

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9467 ms

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8077 ms

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8761 ms

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10712 ms

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10751 ms

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12677 ms

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10396 ms

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10865 ms

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9666 ms

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11129 ms

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14887 ms

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11082 ms

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9998 ms

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9872 ms

s

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366 ms

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11220 ms

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16427 ms

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11063 ms

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10802 ms

uoucaiqrcode.jpg

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15414 ms

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12162 ms

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13768 ms

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13596 ms

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12526 ms

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16337 ms

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12222 ms

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13889 ms

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369 ms

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377 ms

SEO Factors

ucai.cn SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ucai.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Ucai.cn 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

ucai.cn

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