Tools & Wizards About Us

Report Summary

  • 73

    Performance

    Renders faster than
    82% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% 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

12.3 sec in total

First Response

747 ms

Resources Loaded

11.1 sec

Page Rendered

390 ms

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 747 ms and then it took 11.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

820school.com performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

820school.com

747 ms

style111.css

495 ms

index222.css

495 ms

style.css

495 ms

public.css

507 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 96% of them (48 requests) were addressed to the original 820school.com, 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (9.4 sec) belongs to the original domain 820school.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 88.6 kB (3%)

Content Size

3.4 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 820school.com main page is 3.4 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. 30% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 30.3 kB

  • Original 41.1 kB
  • After minification 39.3 kB
  • After compression 10.8 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 30.3 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 53.4 kB

  • Original 3.3 MB
  • After minification 3.3 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. 820 School images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 3.4 kB

  • Original 8.7 kB
  • After minification 8.7 kB
  • After compression 5.3 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 3.4 kB or 39% of the original size.

CSS Optimization

-18%

Potential reduce by 1.6 kB

  • Original 8.7 kB
  • After minification 8.7 kB
  • After compression 7.2 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 1.6 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (20%)

Requests Now

45

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 45 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 5 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

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

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

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

    ZH

  • Encoding

    UTF-8

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 it matches the claimed language. Our system also found out that 820school.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

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: