Tools & Wizards About Us
sns.glr.cn screenshot

Report Summary

  • 0

    Performance

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

sns.glr.cn

域名售卖

Page Load Speed

38.7 sec in total

First Response

6 sec

Resources Loaded

32.3 sec

Page Rendered

395 ms

sns.glr.cn screenshot

About Website

Visit sns.glr.cn now to see the best up-to-date Sns Glr content and also check out these interesting facts you probably never knew about sns.glr.cn

顶你学堂(TopU.COM)，是中国第一个正式商业运营的大规模在线开放课程（MOOC）平台，14亿中国人的免费在线大学，Top University，Online，For Free。

Visit sns.glr.cn

Key Findings

We analyzed Sns.glr.cn page load time and found that the first response time was 6 sec and then it took 32.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

sns.glr.cn performance score

0

Network Requests Diagram

www.topu.com

6027 ms

2014common.css

6292 ms

customer_service.css

6300 ms

browser.css

6301 ms

jquery-1.7.2.js

7465 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Sns.glr.cn, 20% (19 requests) were made to Topu.com and 18% (17 requests) were made to Uc.glr.cn. The less responsive or slowest element that took the longest time to load (19.6 sec) relates to the external source I1.topu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 686.1 kB (25%)

Content Size

2.7 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sns.glr.cn main page is 2.7 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. 45% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 74.0 kB

  • Original 88.2 kB
  • After minification 60.8 kB
  • After compression 14.1 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 27.3 kB, which is 31% 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 74.0 kB or 84% of the original size.

Image Optimization

-13%

Potential reduce by 280.1 kB

  • Original 2.2 MB
  • After minification 2.0 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. Obviously, Sns Glr needs image optimization as it can save up to 280.1 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-83%

Potential reduce by 243.7 kB

  • Original 294.6 kB
  • After minification 170.8 kB
  • After compression 50.9 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 243.7 kB or 83% of the original size.

CSS Optimization

-81%

Potential reduce by 88.3 kB

  • Original 109.2 kB
  • After minification 84.7 kB
  • After compression 20.9 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. Sns.glr.cn needs all CSS files to be minified and compressed as it can save up to 88.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (19%)

Requests Now

89

After Optimization

72

  • Images
  • JavaScript
  • CSS

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sns Glr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.topu.com

www.topu.com

6027 ms

2014common.css

2014common.css

6292 ms

customer_service.css

customer_service.css

6300 ms

browser.css

browser.css

6301 ms

jquery-1.7.2.js

jquery-1.7.2.js

7465 ms

listScroll.js

listScroll.js

6295 ms

login.css

login.css

6296 ms

colorbox.css

colorbox.css

6628 ms

jquery.colorbox.js

jquery.colorbox.js

6601 ms

2014index.css

2014index.css

6266 ms

fashionfoucs.js

fashionfoucs.js

4820 ms

stat.js

stat.js

4752 ms

1456918270.jpg

1456918270.jpg

16218 ms

88_avatar_middle.jpg

88_avatar_middle.jpg

2243 ms

1366342062.jpg

1366342062.jpg

1211 ms

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1383788796.jpg

1823 ms

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1404962595.jpg

1826 ms

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3637 ms

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4857 ms

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1383818549.jpg

2469 ms

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1394159611.jpg

2438 ms

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3021 ms

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1408516376.jpg

3641 ms

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4249 ms

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23303661442476194_big.jpg

4294 ms

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3638 ms

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4241 ms

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4243 ms

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5967 ms

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14135385749903.png

6545 ms

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4849 ms

23_avatar_middle.jpg

23_avatar_middle.jpg

1618 ms

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1634 ms

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1632 ms

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1635 ms

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73_avatar_middle.jpg

1635 ms

42_avatar_middle.jpg

42_avatar_middle.jpg

2241 ms

96_avatar_middle.jpg

96_avatar_middle.jpg

7731 ms

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4084 ms

66_avatar_middle.jpg

66_avatar_middle.jpg

2266 ms

16_avatar_middle.jpg

16_avatar_middle.jpg

2264 ms

65_avatar_middle.jpg

65_avatar_middle.jpg

2827 ms

93_avatar_middle.jpg

93_avatar_middle.jpg

2830 ms

66_avatar_middle.jpg

66_avatar_middle.jpg

2859 ms

63_avatar_middle.jpg

63_avatar_middle.jpg

2860 ms

27_avatar_middle.jpg

27_avatar_middle.jpg

3439 ms

logo.png

logo.png

308 ms

bg_img.png

bg_img.png

662 ms

who_teacher.png

who_teacher.png

1502 ms

fl01.png

fl01.png

263 ms

fl02.png

fl02.png

309 ms

fl03.png

fl03.png

265 ms

fl04.png

fl04.png

527 ms

fl05.png

fl05.png

564 ms

fl06.png

fl06.png

579 ms

fl07.png

fl07.png

605 ms

fl08.png

fl08.png

807 ms

fl09.png

fl09.png

836 ms

footer-banner2.jpg

footer-banner2.jpg

2063 ms

erweima.jpg

erweima.jpg

923 ms

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16204 ms

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14145 ms

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16232 ms

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16004 ms

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15952 ms

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17627 ms

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18787 ms

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17958 ms

1447137106.jpg

1447137106.jpg

16530 ms

1447137270.jpg

1447137270.jpg

16496 ms

banner-bg.jpg

banner-bg.jpg

968 ms

goto-listen-course-icon.png

goto-listen-course-icon.png

1060 ms

who_teach_bg.png

who_teach_bg.png

1089 ms

cma.jpg

cma.jpg

18721 ms

mobile.jpg

mobile.jpg

18643 ms

nursing.jpg

nursing.jpg

18801 ms

english.jpg

english.jpg

19375 ms

excel.jpg

excel.jpg

19642 ms

feedback-sprite.png

feedback-sprite.png

1140 ms

service1.png

service1.png

1203 ms

footer-l-icon.png

footer-l-icon.png

1303 ms

icon.png

icon.png

1336 ms

h.js

h.js

1694 ms

z_stat.php

z_stat.php

2693 ms

analytics.js

analytics.js

4778 ms

hm.gif

hm.gif

433 ms

stat.htm

stat.htm

167 ms

core.php

core.php

759 ms

noavatar_middle.gif

noavatar_middle.gif

629 ms

9.gif

9.gif

1354 ms

loading.gif

loading.gif

338 ms

controls.png

controls.png

336 ms

app.gif

app.gif

1361 ms

Accessibility Review

sns.glr.cn accessibility score

68

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

sns.glr.cn best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

sns.glr.cn SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sns.glr.cn 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 Sns.glr.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

sns.glr.cn

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