Analyze 上海交通网

上海交通网 - 由上海市交通运输和港口管理局主办,上海城市交通信息中心承办的上海交通门户网站。含交通快讯、地图智能查询、信息公开、政策法规、网上办事、便民查询、行业要闻、行业管理、国际交流及网上咨询等栏目。

Page load speed analysis

  • 48/100

    Normal result
  • 6

    Successful tests
  • 2

    Failed tests
  • First response

    4.5 sec

  • Resources loaded

    75.1 sec

  • Page rendered

    277 ms

  • Total page load time

    79.9 sec

Click here to check amazing Jt content for China. Otherwise, check out these important facts you probably never knew about

We analyzed page load time and found that the first response time was 4.5 sec and then it took 75.4 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 34 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Page optimization

  • HTML 88.3 kB
    Images 54.7 kB
    Javascripts 244.2 kB
    CSS 235.3 kB

    In fact, the total size of main page is 622.5 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. 25% of websites need less resources to load. Javascripts take 244.2 kB which makes up the majority of the site volume.

    • Original 88.3 kB
    • After minification 79.6 kB
    • After compression 15.9 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. 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 72.3 kB or 82% of the original size.

    • Original 54.7 kB
    • After optimization 33.6 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. Obviously, Jt needs image optimization as it can save up to 21.1 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 244.2 kB
    • After minification 199.2 kB
    • After compression 52.0 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 192.2 kB or 79% of the original size.

    • Original 235.3 kB
    • After minification 191.0 kB
    • After compression 36.4 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. needs all CSS files to be minified and compressed as it can save up to 198.9 kB or 85% of the original size.

Network requests diagram

  • bootstrap.css
  • style.css
  • responsive.css
  • header1.css
  • red.css
  • header1-red.css
  • page.css
  • main-page.css
  • jquery-1.10.2.js
  • jquery-migrate-1.2.1.min.js
  • bootstrap.min.js
  • hover-dropdown.min.js
  • resetheight.js
  • back-to-top.js
  • jquery.ui.core.js
  • jquery.ui.widget.js
  • jquery.ui.datepicker-zh-TW.js
  • jquery.ui.datepicker.js
  • jquery.ui.theme.css
  • jquery.ui.datepicker.css
  • jhelper_tool_style.css
  • jhelper_config.js
  • jhelper_2.0.js
  • respond.js
  • floatingAd.js
  • app.css
  • pinyin.js
  • jhelper_urls.js
  • bg.gif
  • flashL.gif
  • 1460095310859.png
  • 1459905421875.jpg
  • 1459499359969.jpg
  • 1459393755250.JPG
  • newsT1.gif
  • newsT2.gif
  • newsT3.gif
  • newsT4.gif
  • newsT5.gif
  • icon_gray.gif
  • but_zf1.gif
  • icon_line.gif
  • but_zf2.gif
  • but_zf3.gif
  • but_zf4.gif
  • but_zf5.gif
  • tit_jgcx.gif
  • iconyellow.gif
  • txt_xzsp.gif
  • tit_jzxx.gif
  • tit_dczx.gif
  • tit_zxjl.gif
  • tit_wszx.gif
  • tit_wsts.gif
  • denglu1.gif
  • 4butt10.gif
  • 4butt11.gif
  • 4butt17.gif
  • 4butt12.gif
  • 4butt3-2.gif
  • 4butt51t1.gif
  • 4butt51t2.gif
  • ico-blue.gif
  • app_icon5.jpg
  • index_5278.html
  • CA020000000604307510002.js
  • wangshangzhibo5.jpg
  • shmetroPrice2.jsp
  • red_error.png
  • jtwstime8.jsp
  • app_icon01.jpg
  • app_icon03.jpg
  • bm_tit.gif
  • bm_1csgg.gif
  • icon_green1.gif
  • bm_2lzgl.gif
  • bm_2sjdl.gif
  • bm_5dlhy.gif
  • bm_3ggqc.gif
  • bm_6jpqx.gif
  • bm_7jdced.gif
  • bm_8ghfw.gif
  • buttLeft.gif
  • buttRight.gif
  • m_sy.gif
  • m_infopub.gif
  • m_laws.gif
  • m_wsbs.gif
  • m_zndt.gif
  • m_bmcx.gif
  • m_hyyw.gif
  • m_zwwb.gif
  • m_hdpt.gif
  • m_wzdh.gif
  • loginBg1.gif
  • but_search2.gif
  • but_search1.gif
  • tab.png
  • newTabbg.png
  • tab1.gif
  • tab2.gif
  • xxgk_title.gif
  • wsbs_title.gif
  • tabBG1.gif
  • tabNoSel.gif
  • tabSel.gif
  • hdbt_title.gif
  • bg_gjjl.gif
  • bg_ztlm.gif
  • mail_bg.gif
  • 4butt51.gif
  • tit_zndt1.gif
  • tit_app.gif
  • tit_kjcx.gif
  • tit_ctbc.gif
  • tit_gjhc.gif
  • bmcx_line.gif
  • bottom_bg.gif
  • up.png
  • ui-bg_flat_75_ffffff_40x100.png
  • newTabbg.png
  • tab1.gif
  • tab2.gif
  • loginBg1.gif
  • tabBG1.gif
  • tabNoSel.gif
  • tabSel.gif
  • bmcx_line.gif
  • bottom_bg.gif

Our browser made a total of 131 requests to load all elements on the main page. We found that 95% of them (125 requests) were addressed to the original, 2% (2 requests) were made to and 2% (2 requests) were made to The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain

Additional info on


The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.











Possible request optimization













Normal result


As for redirects, our browser was forwarded to before it reached this domain.

IP address

This IP address is dedicated to This is the best domain hosting practice .

Normal result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 291
NS 300
NS 300

300 Mname:
Serial: 2016051820
Refresh: 3600
Retry: 1200
Expire: 3600
Minimum-ttl: 360
MX 300 Pri: 5

Language and encoding

Normal result


ZH zh language flag


EN en language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that 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.

HTTPS certificate

SSL Certificate 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

Country of origin for 98.9% of all visits is China. It’s good for that their server is also located in China, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

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

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