Tools & Wizards About Us
shanghai.eol.cn screenshot

Report Summary

  • 1

    Performance

    Renders faster than
    19% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

shanghai.eol.cn

上海站 - 中国教育在线

Page Load Speed

20.2 sec in total

First Response

4.1 sec

Resources Loaded

15.5 sec

Page Rendered

619 ms

shanghai.eol.cn screenshot

About Website

Visit shanghai.eol.cn now to see the best up-to-date Shanghai Eol content for China and also check out these interesting facts you probably never knew about shanghai.eol.cn

中国教育在线北京站(https://beijing.eol.cn/)，依托中国教育在线、中国教育网共同打造的及时权威、准确的信息资讯的地方性教育门户网站。为北京用户提供全面、权威、准确、及时的教育资讯和服务。

Visit shanghai.eol.cn

Key Findings

We analyzed Shanghai.eol.cn page load time and found that the first response time was 4.1 sec and then it took 16.1 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

shanghai.eol.cn performance score

1

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value16.2 s

0/100

25%

SI (Speed Index)

Value20.2 s

0/100

10%

TBT (Total Blocking Time)

Value6,960 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.959

2/100

15%

TTI (Time to Interactive)

Value20.0 s

2/100

10%

Network Requests Diagram

shanghai.eol.cn

4056 ms

glb1311.css

1430 ms

shanghai2014.css

952 ms

jQuery_latest.min.js

6568 ms

jQuery_tabs.js

1528 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 10% of them (7 requests) were addressed to the original Shanghai.eol.cn, 62% (45 requests) were made to Img.eol.cn and 15% (11 requests) were made to Eol.cn. The less responsive or slowest element that took the longest time to load (6.6 sec) relates to the external source Eol.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 226.4 kB (21%)

Content Size

1.1 MB

After Optimization

851.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Shanghai.eol.cn main page is 1.1 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. 25% of websites need less resources to load. Images take 783.1 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 96.4 kB

  • Original 116.0 kB
  • After minification 81.8 kB
  • After compression 19.6 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. This page needs HTML code to be minified as it can gain 34.2 kB, which is 29% 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 96.4 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 22.6 kB

  • Original 783.1 kB
  • After minification 760.5 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. Shanghai Eol images are well optimized though.

JavaScript Optimization

-57%

Potential reduce by 87.5 kB

  • Original 153.8 kB
  • After minification 148.1 kB
  • After compression 66.4 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 87.5 kB or 57% of the original size.

CSS Optimization

-80%

Potential reduce by 19.9 kB

  • Original 24.9 kB
  • After minification 22.7 kB
  • After compression 5.0 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. Shanghai.eol.cn needs all CSS files to be minified and compressed as it can save up to 19.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (75%)

Requests Now

72

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Shanghai Eol. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

shanghai.eol.cn

shanghai.eol.cn

4056 ms

glb1311.css

glb1311.css

1430 ms

shanghai2014.css

shanghai2014.css

952 ms

jQuery_latest.min.js

jQuery_latest.min.js

6568 ms

jQuery_tabs.js

jQuery_tabs.js

1528 ms

jQuery_picFocus.js

jQuery_picFocus.js

1554 ms

jQuery_ads.js

jQuery_ads.js

1576 ms

jquery.scrollLoading.js

jquery.scrollLoading.js

574 ms

df_ctrl.js

df_ctrl.js

577 ms

login_prototype_gbk.js

login_prototype_gbk.js

978 ms

script.js

script.js

587 ms

urchin.js

urchin.js

13 ms

stat.php

stat.php

828 ms

shgxmd_200_90.jpg

shgxmd_200_90.jpg

557 ms

20141013gkngeuwhypiwosw.jpg

20141013gkngeuwhypiwosw.jpg

907 ms

hdzf_16zp20-300.jpg

hdzf_16zp20-300.jpg

1549 ms

topbg.jpg

topbg.jpg

339 ms

dot_g.jpg

dot_g.jpg

433 ms

fav.jpg

fav.jpg

400 ms

home.jpg

home.jpg

336 ms

hdx_14050.jpg

hdx_14050.jpg

483 ms

shdx_16yz140-50.jpg

shdx_16yz140-50.jpg

1439 ms

hqdx_16zp20-300.jpg

hqdx_16zp20-300.jpg

3752 ms

2015zsgk56090.jpg

2015zsgk56090.jpg

1614 ms

200x90_ad.png

200x90_ad.png

917 ms

kygh880_60.jpg

kygh880_60.jpg

1034 ms

yzcx880_60.jpg

yzcx880_60.jpg

983 ms

acabridge880_60.jpg

acabridge880_60.jpg

1307 ms

shipinzp880_60.jpg

shipinzp880_60.jpg

1894 ms

yzbg880_60.jpg

yzbg880_60.jpg

1346 ms

gzdcbg880_60.jpg

gzdcbg880_60.jpg

1684 ms

kygh130_60.jpg

kygh130_60.jpg

1433 ms

yzcx130_60.jpg

yzcx130_60.jpg

1787 ms

acabridge130_60.jpg

acabridge130_60.jpg

1765 ms

shipinzp130_60.jpg

shipinzp130_60.jpg

1768 ms

yzbg130_60.jpg

yzbg130_60.jpg

1990 ms

gzdcbg130_60.jpg

gzdcbg130_60.jpg

2087 ms

shyzxz_355_260.jpg

shyzxz_355_260.jpg

2616 ms

2016shyzxz355-260.jpg

2016shyzxz355-260.jpg

2234 ms

gzxxk355_260.jpg

gzxxk355_260.jpg

2732 ms

shzyy355_260.jpg

shzyy355_260.jpg

4375 ms

shyxyxzxz_355_260.jpg

shyxyxzxz_355_260.jpg

3041 ms

csjyc_23070.jpg

csjyc_23070.jpg

3093 ms

yuqing_100_80.jpg

yuqing_100_80.jpg

2671 ms

2015kyjz235x90.jpg

2015kyjz235x90.jpg

3015 ms

tyjy235.jpg

tyjy235.jpg

3041 ms

kyzw235.jpg

kyzw235.jpg

3214 ms

lxzd235_90.jpg

lxzd235_90.jpg

3348 ms

2015hdzf_320_240.jpg

2015hdzf_320_240.jpg

3728 ms

shgkgg_23070.jpg

shgkgg_23070.jpg

3424 ms

2015zsgk14050.jpg

2015zsgk14050.jpg

3814 ms

yzbg_23070.jpg

yzbg_23070.jpg

3915 ms

helin_100_80.jpg

helin_100_80.jpg

3686 ms

zijian_100_80.jpg

zijian_100_80.jpg

3801 ms

zhengpin_100_80.jpg

zhengpin_100_80.jpg

4021 ms

acabridge_23070.jpg

acabridge_23070.jpg

4152 ms

130402.jpg

130402.jpg

4159 ms

zxx100_80.jpg

zxx100_80.jpg

4214 ms

ga.js

ga.js

5 ms

__utm.gif

__utm.gif

13 ms

stat.htm

stat.htm

206 ms

core.php

core.php

784 ms

gzk_23070.jpg

gzk_23070.jpg

4018 ms

zbmdm_100090.jpg

zbmdm_100090.jpg

4119 ms

load.gif

load.gif

3459 ms

logo.png

logo.png

6277 ms

hdzf_16zp100-300.jpg

hdzf_16zp100-300.jpg

599 ms

hqdx_16zp100-300.jpg

hqdx_16zp100-300.jpg

797 ms

logoPic.png

logoPic.png

4255 ms

icon.png

icon.png

3638 ms

kh.png

kh.png

3362 ms

arrow.gif

arrow.gif

3335 ms

eol_bg.png

eol_bg.png

3506 ms

Accessibility Review

shanghai.eol.cn accessibility score

58

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

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

shanghai.eol.cn best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

shanghai.eol.cn SEO score

75

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

High

robots.txt is not valid

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 Shanghai.eol.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 Shanghai.eol.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

shanghai.eol.cn

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