Tools & Wizards About Us
820school.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

820school.com

820现代营销军校官网|销售培训|大客户销售|营销培训|销售训练|销售团队|销售人才培养|营销人才培养|销售管理|营销管理

Page Load Speed

33.7 sec in total

First Response

6.5 sec

Resources Loaded

26.7 sec

Page Rendered

497 ms

820school.com screenshot

About Website

Welcome to 820school.com homepage info - get ready to check 820 School best content right away, or after learning these important things about 820school.com

北京820现代营销军校是一家致力于营销新型职业化训练的专业机构，十五年来，在模式创新、职业管理、职业团队、职业工具等方面达到了国际先进水平，实现了从经验管理向职业管理；从职业选手向超级选手的跨越，彻底突破了困扰中国企业从小到达、由弱到强的职业化人才培养难题，成为构建新型职业化团队的重要武器。

Visit 820school.com

Key Findings

We analyzed 820school.com page load time and found that the first response time was 6.5 sec and then it took 27.2 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.

Performance Metrics

820school.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value4,530 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.9 s

35/100

10%

Network Requests Diagram

820school.com

6458 ms

style.css

2149 ms

public.css

4088 ms

index.css

3030 ms

index13.css

4450 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 80% of them (91 requests) were addressed to the original 820school.com, 13% (15 requests) were made to 0 and 4% (5 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (14.8 sec) belongs to the original domain 820school.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 379.4 kB (44%)

Content Size

870.2 kB

After Optimization

490.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 820school.com main page is 870.2 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. 30% of websites need less resources to load. Images take 464.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 104.7 kB

  • Original 123.3 kB
  • After minification 118.3 kB
  • After compression 18.5 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 104.7 kB or 85% of the original size.

Image Optimization

-11%

Potential reduce by 52.2 kB

  • Original 464.1 kB
  • After minification 411.9 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, 820 School needs image optimization as it can save up to 52.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-80%

Potential reduce by 178.4 kB

  • Original 224.4 kB
  • After minification 146.3 kB
  • After compression 46.0 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 178.4 kB or 80% of the original size.

CSS Optimization

-75%

Potential reduce by 44.0 kB

  • Original 58.4 kB
  • After minification 51.6 kB
  • After compression 14.4 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. 820school.com needs all CSS files to be minified and compressed as it can save up to 44.0 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (35%)

Requests Now

106

After Optimization

69

  • Images
  • JavaScript
  • CSS

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 820 School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

820school.com

820school.com

6458 ms

style.css

style.css

2149 ms

public.css

public.css

4088 ms

index.css

index.css

3030 ms

index13.css

index13.css

4450 ms

index14.css

index14.css

3993 ms

qiehun.css

qiehun.css

2699 ms

jquery.jcarousel.css

jquery.jcarousel.css

1436 ms

jquery.js

jquery.js

8412 ms

index.js

index.js

3156 ms

jquery.jcarousel.js

jquery.jcarousel.js

5311 ms

jquery.marquee2.js

jquery.marquee2.js

3619 ms

menu.js

menu.js

4067 ms

jquery.soChange-min.js

jquery.soChange-min.js

4412 ms

jquery-1.4.1.min.js.js

jquery-1.4.1.min.js.js

5226 ms

thea4.js

thea4.js

3485 ms

index13.js

index13.js

5016 ms

index14.js

index14.js

3751 ms

common.css

common.css

812 ms

kefu.js

kefu.js

2142 ms

wttscript

wttscript

4908 ms

4.jpg

4.jpg

5797 ms

tgl_24.gif

tgl_24.gif

3429 ms

01.png

01.png

441 ms

a1.gif

a1.gif

2815 ms

a01.gif

a01.gif

2761 ms

lihou.gif

lihou.gif

2928 ms

a2.gif

a2.gif

1615 ms

a3.gif

a3.gif

2511 ms

hengxin.gif

hengxin.gif

2834 ms

a4.gif

a4.gif

3385 ms

a8.gif

a8.gif

3579 ms

a10.gif

a10.gif

4857 ms

aa1.gif

aa1.gif

3236 ms

c1.gif

c1.gif

7765 ms

c2.gif

c2.gif

4862 ms

banner2.jpg

banner2.jpg

8709 ms

xwsz.jpg

xwsz.jpg

12639 ms

xwsz01.jpg

xwsz01.jpg

6461 ms

xwsz02.jpg

xwsz02.jpg

7697 ms

xwsz03.jpg

xwsz03.jpg

6470 ms

xwsz04.jpg

xwsz04.jpg

12640 ms

xwsz05.jpg

xwsz05.jpg

10623 ms

banner1.jpg

banner1.jpg

10311 ms

mysxl.jpg

mysxl.jpg

12005 ms

mysxl01.jpg

mysxl01.jpg

11927 ms

mysxl02.jpg

mysxl02.jpg

12534 ms

mysxl03.jpg

mysxl03.jpg

12784 ms

mysxl04.jpg

mysxl04.jpg

13471 ms

mysxl05.jpg

mysxl05.jpg

13873 ms

mysxl06.jpg

mysxl06.jpg

14669 ms

mysxl07.jpg

mysxl07.jpg

14417 ms

mysxl08.jpg

mysxl08.jpg

14647 ms

banner3.jpg

banner3.jpg

13805 ms

index_53.gif

index_53.gif

13846 ms

1.jpg

1.jpg

12981 ms

2.jpg

2.jpg

14811 ms

3.jpg

3.jpg

14516 ms

index_00.gif

index_00.gif

3927 ms

22d7787e65a8866e63f1f86204f06d2d.jpg

22d7787e65a8866e63f1f86204f06d2d.jpg

7481 ms

318b0d343c1e0e6988545abca7e35122.jpg

318b0d343c1e0e6988545abca7e35122.jpg

6422 ms

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1f9e7f4bda27543909ce9a385ac44354.jpg

10819 ms

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364c328ba36d30c753a94cab530e97a2.jpg

11630 ms

smallf47dc7646ffb5a8c3e324db95d9b5fa9.jpg

smallf47dc7646ffb5a8c3e324db95d9b5fa9.jpg

10579 ms

07f002c8800e2285c7440c1010a21b6d.jpg

07f002c8800e2285c7440c1010a21b6d.jpg

12340 ms

8f00431ad4fdc7e7e0b7a351b3e2a3b7.jpg

8f00431ad4fdc7e7e0b7a351b3e2a3b7.jpg

11911 ms

677d53f6af86d5cd2278c8512ec10670.jpg

677d53f6af86d5cd2278c8512ec10670.jpg

13088 ms

57216284da9a620e3fa5fda1b22ef705.jpg

57216284da9a620e3fa5fda1b22ef705.jpg

12962 ms

78fc8bfe6c92cae1e6932d7f70a36eac.jpg

78fc8bfe6c92cae1e6932d7f70a36eac.jpg

13687 ms

11143b2d70dae09495abbaf89f54e6ae.jpg

11143b2d70dae09495abbaf89f54e6ae.jpg

13978 ms

dhbj.jpg

dhbj.jpg

14120 ms

left.jpg

left.jpg

14186 ms

index_49.gif

index_49.gif

14210 ms

d9cc546e00edb14e896af91fb14f44e3.jpg

d9cc546e00edb14e896af91fb14f44e3.jpg

14641 ms

shell_v2.js

shell_v2.js

799 ms

nindex_20.gif

nindex_20.gif

14034 ms

bds_s_v2.js

bds_s_v2.js

1138 ms

tmainscript.jsp

tmainscript.jsp

11873 ms

centre.jpg

centre.jpg

12965 ms

bdsstyle.css

bdsstyle.css

550 ms

l0.gif

l0.gif

935 ms

right.jpg

right.jpg

12092 ms

nindex_18.gif

nindex_18.gif

12019 ms

down-centre.jpg

down-centre.jpg

12005 ms

down-centre01.gif

down-centre01.gif

12124 ms

down-right.jpg

down-right.jpg

12055 ms

tagright.gif

tagright.gif

11757 ms

jianjie.gif

jianjie.gif

11631 ms

as.png

as.png

11709 ms

mysxl00.gif

mysxl00.gif

11607 ms

below01.gif

below01.gif

10472 ms

below02.gif

below02.gif

10521 ms

icon.gif

icon.gif

8875 ms

index_82.gif

index_82.gif

8912 ms

index_85.gif

index_85.gif

7789 ms

float_s.gif

float_s.gif

7758 ms

float_bg.gif

float_bg.gif

7018 ms

new5.css

new5.css

643 ms

new_seatinvite.css

new_seatinvite.css

580 ms

qq.css

qq.css

580 ms

forcewin.css

forcewin.css

881 ms

wtt365js.js

wtt365js.js

1442 ms

warning_bg.jpg

warning_bg.jpg

1199 ms

right.png

right.png

944 ms

h.js

h.js

637 ms

quit.gif

quit.gif

292 ms

freecallbn.gif

freecallbn.gif

291 ms

header01.gif

header01.gif

289 ms

icooffline.gif

icooffline.gif

289 ms

fc01.gif

fc01.gif

306 ms

footer01.gif

footer01.gif

609 ms

logger.js

logger.js

470 ms

nstat

nstat

1342 ms

hm.gif

hm.gif

331 ms

Accessibility Review

820school.com accessibility score

75

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

820school.com best practices score

58

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

SEO Factors

820school.com SEO score

58

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 820school.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 820school.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

820school.com

Open Graph description is not detected on the main page of 820 School. 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: