Tools & Wizards About Us
tangdou.com screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

tangdou.com

糖豆广场舞

Page Load Speed

52.8 sec in total

First Response

1.2 sec

Resources Loaded

51.1 sec

Page Rendered

465 ms

tangdou.com screenshot

About Website

Welcome to tangdou.com homepage info - get ready to check Tangdou best content for China right away, or after learning these important things about tangdou.com

糖豆，锻炼身体快乐舞蹈的平台，千万广场舞视频免费学习，跟着老师在家跳，舞蹈种类齐全，汇聚了杨丽萍广场舞、云裳广场舞、王广成广场舞、佳木斯快乐舞步、广场舞16步32步等，是舞蹈爱好者锻炼的聚集地。

Visit tangdou.com

Key Findings

We analyzed Tangdou.com page load time and found that the first response time was 1.2 sec and then it took 51.5 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 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

tangdou.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value12.1 s

3/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.105

88/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

tangdou.com

1240 ms

www.tangdou.com

7450 ms

check_mobile.js

1810 ms

index.css

1420 ms

jquery-1.7.2.min.js

4090 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 23% of them (19 requests) were addressed to the original Tangdou.com, 49% (41 requests) were made to Images.tangdou.com and 7% (6 requests) were made to Pic.tangdou.com. The less responsive or slowest element that took the longest time to load (19.5 sec) relates to the external source Cnzz.mmstat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 276.4 kB (21%)

Content Size

1.3 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tangdou.com main page is 1.3 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. 40% of websites need less resources to load. Images take 973.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 35.2 kB

  • Original 43.8 kB
  • After minification 43.8 kB
  • After compression 8.6 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 35.2 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 56.4 kB

  • Original 973.0 kB
  • After minification 916.7 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. Tangdou images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 168.9 kB

  • Original 276.9 kB
  • After minification 275.5 kB
  • After compression 108.0 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 168.9 kB or 61% of the original size.

CSS Optimization

-86%

Potential reduce by 15.9 kB

  • Original 18.6 kB
  • After minification 16.2 kB
  • After compression 2.6 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. Tangdou.com needs all CSS files to be minified and compressed as it can save up to 15.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (13%)

Requests Now

77

After Optimization

67

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tangdou. 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 as a result speed up the page load time.

Network Requests Diagram

tangdou.com

tangdou.com

1240 ms

www.tangdou.com

www.tangdou.com

7450 ms

check_mobile.js

check_mobile.js

1810 ms

index.css

index.css

1420 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

4090 ms

m.js

m.js

847 ms

index_banner_150.js

index_banner_150.js

4389 ms

td_glide.js

td_glide.js

1510 ms

seallogo.dll

seallogo.dll

3147 ms

c.php

c.php

1509 ms

tongji.js

tongji.js

566 ms

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14581256174701.jpg

3739 ms

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6834 ms

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3830 ms

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1987 ms

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4715 ms

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3246 ms

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2452 ms

logo.png

logo.png

2068 ms

searchbtn.png

searchbtn.png

604 ms

v1_new.png

v1_new.png

493 ms

star.png

star.png

492 ms

bm.png

bm.png

799 ms

erweima.jpg

erweima.jpg

1942 ms

gzh.jpg

gzh.jpg

1478 ms

reporterr.png

reporterr.png

2854 ms

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9123 ms

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11412 ms

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3510 ms

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6823 ms

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3567 ms

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5189 ms

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4724 ms

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6296 ms

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7994 ms

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7660 ms

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8417 ms

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9866 ms

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9263 ms

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9681 ms

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10499 ms

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10061 ms

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10439 ms

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12384 ms

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11905 ms

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10947 ms

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12172 ms

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11405 ms

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11439 ms

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12581 ms

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11826 ms

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12348 ms

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13291 ms

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15507 ms

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15685 ms

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14715 ms

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16404 ms

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15665 ms

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14666 ms

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15146 ms

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15693 ms

dancertj.png

dancertj.png

1749 ms

downbtn.png

downbtn.png

1726 ms

cnnic_en.png

cnnic_en.png

1372 ms

stat.htm

stat.htm

296 ms

core.php

core.php

2428 ms

c.php

c.php

1316 ms

stat.htm

stat.htm

242 ms

core.php

core.php

1265 ms

sc.png

sc.png

586 ms

20160408144027_8054.jpg

20160408144027_8054.jpg

12533 ms

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13103 ms

9.gif

9.gif

1065 ms

9.gif

9.gif

19525 ms

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20160408125023_6317.jpg

11506 ms

app.gif

app.gif

1001 ms

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20160408114820_1669.jpg

11703 ms

biaoshi.gif

biaoshi.gif

9853 ms

o.htm

o.htm

2034 ms

wh.js

wh.js

13318 ms

ac.js

ac.js

1846 ms

fp.htm

fp.htm

1506 ms

fp.htm

fp.htm

934 ms

Accessibility Review

tangdou.com accessibility score

56

Accessibility Issues

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

tangdou.com best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

tangdou.com SEO score

62

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

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 Tangdou.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 Tangdou.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

tangdou.com

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