Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 44

    Accessibility

    Visual factors better than
    that of 19% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

zili.com.cn

上海自力进修学院(自力教育)-自考专科|自考本科|会计考试|外贸采购|金融理财|建造资格|外语|电脑等培训

Page Load Speed

30.8 sec in total

First Response

2.1 sec

Resources Loaded

28.4 sec

Page Rendered

271 ms

zili.com.cn screenshot

About Website

Visit zili.com.cn now to see the best up-to-date Zili content and also check out these interesting facts you probably never knew about zili.com.cn

上海自力进修学院(自力教育)是中国优秀成人教育培训机构,A级办学单位,开设自考专科、自考本科助学,会计考试培训,报关员,金融理财,外贸采购,建造资格,计算机设计,外语,摄影等上百种热门培训课程,上海13家直属校区开班

Visit zili.com.cn

Key Findings

We analyzed Zili.com.cn page load time and found that the first response time was 2.1 sec and then it took 28.6 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

zili.com.cn performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

11/100

25%

SI (Speed Index)

Value16.0 s

0/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.062

97/100

15%

TTI (Time to Interactive)

Value10.0 s

27/100

10%

Network Requests Diagram

zili.com.cn

2129 ms

zili.css

774 ms

index.css

579 ms

jquery.smarticker.css

409 ms

jquery-1.7.2.js

2053 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 58% of them (54 requests) were addressed to the original Zili.com.cn, 8% (7 requests) were made to Ckmap.mediav.com and 5% (5 requests) were made to Bin.jiain.net. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 614.2 kB (20%)

Content Size

3.1 MB

After Optimization

2.5 MB

In fact, the total size of Zili.com.cn main page is 3.1 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. 60% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 51.8 kB

  • Original 62.6 kB
  • After minification 49.6 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. This page needs HTML code to be minified as it can gain 13.0 kB, which is 21% 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 51.8 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 34.5 kB

  • Original 2.3 MB
  • After minification 2.3 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. Zili images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 464.0 kB

  • Original 590.3 kB
  • After minification 392.7 kB
  • After compression 126.3 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 464.0 kB or 79% of the original size.

CSS Optimization

-78%

Potential reduce by 63.9 kB

  • Original 81.6 kB
  • After minification 66.0 kB
  • After compression 17.7 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. Zili.com.cn needs all CSS files to be minified and compressed as it can save up to 63.9 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (29%)

Requests Now

83

After Optimization

59

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zili. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

zili.com.cn accessibility score

44

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.

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

zili.com.cn 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

SEO Factors

zili.com.cn SEO score

82

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

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Zili.com.cn 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 Zili.com.cn 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

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