Tools & Wizards About Us
3mang.com screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 50

    SEO

    Google-friendlier than
    18% of websites

3mang.com

学点云首页-外语1对1直播软件-在线互动课堂-免费试用教育直播平台

Page Load Speed

52 sec in total

First Response

3.6 sec

Resources Loaded

48.1 sec

Page Rendered

363 ms

3mang.com screenshot

About Website

Click here to check amazing 3 Mang content for China. Otherwise, check out these important facts you probably never knew about 3mang.com

学点云是一款简洁好用、免费的在线直播互动教学服务平台、适合讲课的直播平台，帮助教育机构快速把课堂搬上云端，在线互动课堂以最低的成本开展在线教学。商务合作热线：4008-922-902。

Visit 3mang.com

Key Findings

We analyzed 3mang.com page load time and found that the first response time was 3.6 sec and then it took 48.4 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 was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

3mang.com performance score

0

Network Requests Diagram

3mang.com

3595 ms

main.css

6330 ms

style.css

1585 ms

scrollNav.css

1190 ms

animate.css

5993 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 93% of them (43 requests) were addressed to the original 3mang.com, 4% (2 requests) were made to Mma.qq.com and 2% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (20.1 sec) belongs to the original domain 3mang.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 209.0 kB (46%)

Content Size

451.1 kB

After Optimization

242.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 3mang.com main page is 451.1 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. Images take 224.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 25.3 kB

  • Original 33.0 kB
  • After minification 21.8 kB
  • After compression 7.7 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 11.2 kB, which is 34% 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 25.3 kB or 77% of the original size.

Image Optimization

-23%

Potential reduce by 51.2 kB

  • Original 224.7 kB
  • After minification 173.5 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, 3 Mang needs image optimization as it can save up to 51.2 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 101.6 kB

  • Original 158.6 kB
  • After minification 157.3 kB
  • After compression 57.0 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 101.6 kB or 64% of the original size.

CSS Optimization

-89%

Potential reduce by 30.9 kB

  • Original 34.8 kB
  • After minification 16.8 kB
  • After compression 3.9 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. 3mang.com needs all CSS files to be minified and compressed as it can save up to 30.9 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (32%)

Requests Now

44

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3 Mang. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

3mang.com

3mang.com

3595 ms

main.css

main.css

6330 ms

style.css

style.css

1585 ms

scrollNav.css

scrollNav.css

1190 ms

animate.css

animate.css

5993 ms

lrtk.js

lrtk.js

1597 ms

jquery-1-7-2.js

jquery-1-7-2.js

11541 ms

swfobject.js

swfobject.js

831 ms

plus2015.js

plus2015.js

2095 ms

popwin.js

popwin.js

1242 ms

navScroll.js

navScroll.js

1657 ms

layer.js

layer.js

2714 ms

analytics.js

analytics.js

5092 ms

wow.js

wow.js

4665 ms

bootstrap.min.js

bootstrap.min.js

8367 ms

index_head_bg.png

index_head_bg.png

1151 ms

logo_ico.png

logo_ico.png

1033 ms

tel_head_write.png

tel_head_write.png

1480 ms

index_banner.jpg

index_banner.jpg

20066 ms

index_video_btn.png

index_video_btn.png

2796 ms

banner_ico.png

banner_ico.png

1918 ms

technical-advantages_a.png

technical-advantages_a.png

5892 ms

technical-advantages_b.png

technical-advantages_b.png

6218 ms

technical-advantages_c.png

technical-advantages_c.png

4923 ms

technical-advantages_d.png

technical-advantages_d.png

8127 ms

solutions_a.png

solutions_a.png

7987 ms

solutions_b.png

solutions_b.png

7357 ms

solutions_c.png

solutions_c.png

7874 ms

solutions_d.png

solutions_d.png

7436 ms

solutions_e.png

solutions_e.png

7797 ms

solutions_f.png

solutions_f.png

7842 ms

user_recommended_bg.jpg

user_recommended_bg.jpg

19293 ms

arrow-left-light.png

arrow-left-light.png

8234 ms

arrow-right-light.png

arrow-right-light.png

8305 ms

user_recommended_photo01.png

user_recommended_photo01.png

13714 ms

user_recommended_ico_left.png

user_recommended_ico_left.png

8571 ms

user_recommended_ico_right.png

user_recommended_ico_right.png

9708 ms

user_recommended_photo02.png

user_recommended_photo02.png

11790 ms

phone_ico_03.png

phone_ico_03.png

11282 ms

chat_code.png

chat_code.png

12151 ms

app_code.png

app_code.png

13523 ms

sbtn.png

sbtn.png

6095 ms

layer.css

layer.css

14231 ms

analytics.js

analytics.js

41 ms

online&callback=jQuery1720029328384436666965_1460140104846

online&callback=jQuery1720029328384436666965_1460140104846

19065 ms

report2

report2

15665 ms

Best Practices

3mang.com 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

SEO Factors

3mang.com SEO score

50

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

Document doesn't have a <title> element

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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 3mang.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 3mang.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

3mang.com

Open Graph description is not detected on the main page of 3 Mang. 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: