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etiantian.net: 北京四中网校-北京四中

中国最早的远程基础教育服务机构和在线学习社区,帮助全国的中小学生通过名师在线直播、高清课程等方式,获得北京四中与全国各地名师提供的优质教学资源;帮助中小学生养成良好的学习习惯,提高分数。

Page load speed analysis

  • 35/100

    Normal result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    15.2 sec

  • Resources loaded

    63.5 sec

  • Page rendered

    431 ms

  • Total page load time

    79.2 sec

Visit etiantian.net now to see the best up-to-date Etiantian content and also check out these interesting facts you probably never knew about etiantian.net

We analyzed Etiantian.net page load time and found that the first response time was 15.2 sec and then it took 63.9 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 were 28 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Page optimization

  • HTML 100.5 kB
    Images 349.0 kB
    Javascripts 495.9 kB
    CSS 162.7 kB

    In fact, the total size of Etiantian.net 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. 30% of websites need less resources to load. Javascripts take 495.9 kB which makes up the majority of the site volume.

    • Original 100.5 kB
    • After minification 71.7 kB
    • After compression 17.3 kB

    HTML optimization

    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 28.8 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 83.2 kB or 83% of the original size.

    • Original 349.0 kB
    • After optimization 326.6 kB

    Image optimization

    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. Etiantian images are well optimized though.

    • Original 495.9 kB
    • After minification 458.2 kB
    • After compression 149.7 kB

    JavaScript optimization

    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 346.2 kB or 70% of the original size.

    • Original 162.7 kB
    • After minification 140.3 kB
    • After compression 30.2 kB

    CSS optimization

    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. Etiantian.net needs all CSS files to be minified and compressed as it can save up to 132.5 kB or 81% of the original size.

Network requests diagram

  • etiantian.net
  • jquery-ui-201306.css
  • jquery.fancybox-1.3.4.css
  • mfq_master_2013.css
  • mfq_style_2013.css
  • mfq_index_2015.css
  • jquery.min.js
  • modernizr-1.7.min.js
  • changimages.js
  • slider.js
  • jquery-ui.min.js
  • jquery.fancybox-1.3.4.pack.js
  • jquery.form.pack.2.24.js
  • unslider.js
  • imageflow.css
  • imageflow.js
  • hm.js
  • img.jsp
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • 1410318593496.jpg
  • pic.gif
  • sizhong_www1453707069417.jpg
  • sizhong_www1453707496358.jpg
  • sizhong_www1453707177057.jpg
  • sizhong_www1453706628314.jpg
  • sizhong_www1453708160780.jpg
  • sizhong_www1453707645628.jpg
  • sizhong_www1453786696269.jpg
  • sizhong_www1453707377754.jpg
  • sizhong_www1453708096722.jpg
  • sizhong_www1453707048845.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • p1.jpg
  • banner04_151208.jpg
  • banner05_151208.jpg
  • banner06_151208.jpg
  • banner07_151208.jpg
  • banner01_151208.jpg
  • banner02_151208.jpg
  • banner03_151208.jpg
  • bg23_151208.png
  • bg22_151208.png
  • hdClassFrame20160111.jsp
  • ttdcbdFree20160111.jsp
  • slider.png
  • hm.gif
  • mfq_master_2013.css
  • mfq_style_2013.css
  • mfq_index_2015.css
  • jquery.pack.js
  • jquery.pack.js
  • list4_20160111.jsp
  • changeVideo.jsp
  • bg22_151208.png
  • bg23_151208.png

Our browser made a total of 73 requests to load all elements on the main page. We found that 36% of them (26 requests) were addressed to the original Etiantian.net, 45% (33 requests) were made to Attach.etiantian.net and 8% (6 requests) were made to Web.etiantian.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain Etiantian.net.

Additional info on etiantian.net

Requests

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Etiantian. 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 9 to 1 for CSS and as a result speed up the page load time.

11

Javascripts

20

Images

9

CSS

4

AJAX

44

All

Possible request optimization

1

Javascripts

20

Images

1

CSS

4

AJAX

18

Optimized

26

All

Normal result

IP address

Etiantian.net uses IP address which is currently shared with 1 other domain. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Normal result

IP Trace

etiantian.net

etiantian.com

123.103.19.196

DNS records

Type Host Target/ip TTL Other
A

etiantian.net

123.103.19.196 290
NS

etiantian.net

ns2.etiantian.com 290
NS

etiantian.net

dns.etiantian.com 290
SOA

etiantian.net

300 Mname: dns.etiantian.com
Rname: liugy.etiantian.com
Serial: 201607223
Refresh: 300
Retry: 900
Expire: 604800
Minimum-ttl: 300
MX

etiantian.net

mail.etiantian.net 300 Pri: 10

Language and encoding

Poor result

Language

ZH zh language flag

Detected

N/A  language flag

Claimed

Encoding

GB2312

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Etiantian.net 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 Etiantian.net 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.

HTTPS certificate

SSL Certificate

Etiantian.net has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

The server of Etiantian.net is located in China, but, unfortunately, we cannot identify the countries where the visitors come from and thus it’s impossible to define if the distance can potentially affect the page load time.

Good result

Poor result

Social Sharing Optimization

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

etiantian.net

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