Tools & Wizards About Us
chinatrain12306.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

chinatrain12306.com

China Train 12306: Schedule, Guide to Rail Travel & Buying Tickets

Page Load Speed

6.8 sec in total

First Response

1.7 sec

Resources Loaded

4.6 sec

Page Rendered

451 ms

chinatrain12306.com screenshot

About Website

Click here to check amazing China Train 12306 content for Thailand. Otherwise, check out these important facts you probably never knew about chinatrain12306.com

ChinaTrain12306.com is an English version travel website, guiding you how to travel China by train with schedule, ticket fares available.

Visit chinatrain12306.com

Key Findings

We analyzed Chinatrain12306.com page load time and found that the first response time was 1.7 sec and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

chinatrain12306.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

45/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value3,450 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.36

30/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

chinatrain12306.com

1734 ms

analytics.js

7 ms

style.min.css

623 ms

ftg.css

436 ms

font-awesome.css

31 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 51% of them (30 requests) were addressed to the original Chinatrain12306.com, 10% (6 requests) were made to Pagead2.googlesyndication.com and 10% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Chinatrain12306.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 428.9 kB (24%)

Content Size

1.8 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chinatrain12306.com main page is 1.8 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. 70% of websites need less resources to load. Images take 947.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 131.1 kB

  • Original 153.2 kB
  • After minification 147.6 kB
  • After compression 22.1 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 131.1 kB or 86% of the original size.

Image Optimization

-23%

Potential reduce by 218.3 kB

  • Original 947.1 kB
  • After minification 728.8 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. Obviously, China Train 12306 needs image optimization as it can save up to 218.3 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-10%

Potential reduce by 62.3 kB

  • Original 613.1 kB
  • After minification 613.0 kB
  • After compression 550.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-25%

Potential reduce by 17.2 kB

  • Original 68.6 kB
  • After minification 68.6 kB
  • After compression 51.4 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. Chinatrain12306.com needs all CSS files to be minified and compressed as it can save up to 17.2 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (65%)

Requests Now

55

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of China Train 12306. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

chinatrain12306.com

chinatrain12306.com

1734 ms

analytics.js

analytics.js

7 ms

style.min.css

style.min.css

623 ms

ftg.css

ftg.css

436 ms

font-awesome.css

font-awesome.css

31 ms

frontend.min.css

frontend.min.css

433 ms

genericons.css

genericons.css

657 ms

style.css

style.css

659 ms

blocks.css

blocks.css

434 ms

default.css

default.css

652 ms

addtoany.min.css

addtoany.min.css

654 ms

frontend.min.js

frontend.min.js

655 ms

page.js

page.js

57 ms

jquery.min.js

jquery.min.js

1040 ms

jquery-migrate.min.js

jquery-migrate.min.js

880 ms

addtoany.min.js

addtoany.min.js

875 ms

menu.min.js

menu.min.js

877 ms

html5.min.js

html5.min.js

876 ms

js

js

95 ms

adsbygoogle.js

adsbygoogle.js

84 ms

linkid.js

linkid.js

15 ms

collect

collect

29 ms

public.js

public.js

683 ms

jquery.finalTilesGallery.js

jquery.finalTilesGallery.js

1008 ms

jquery.cycle.all.min.js

jquery.cycle.all.min.js

1006 ms

catchbox-slider.js

catchbox-slider.js

1007 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

1008 ms

catchbox-scrollup.min.js

catchbox-scrollup.min.js

1008 ms

eso.D0Uc7kY6.js

eso.D0Uc7kY6.js

16 ms

guangzhou-guilin-train-644x320.jpg

guangzhou-guilin-train-644x320.jpg

634 ms

li-river-yangshuo-595x320.jpg

li-river-yangshuo-595x320.jpg

456 ms

zhangye-west-railway-station.jpg

zhangye-west-railway-station.jpg

686 ms

previous.png

previous.png

246 ms

next.png

next.png

255 ms

jack-li.png

jack-li.png

1966 ms

jack-tripadvisor-china-train-12306.png

jack-tripadvisor-china-train-12306.png

1112 ms

social-profiles.png

social-profiles.png

687 ms

show_ads_impl.js

show_ads_impl.js

74 ms

Genericons.svg

Genericons.svg

761 ms

8AAnjaY2BgYGQAgosrjpwF0ZcUq9bCaABTzgdAAAA=

8AAnjaY2BgYGQAgosrjpwF0ZcUq9bCaABTzgdAAAA=

38 ms

zrt_lookup.html

zrt_lookup.html

47 ms

ads

ads

482 ms

ads

ads

514 ms

reactive_library.js

reactive_library.js

143 ms

ca-pub-3221687192252588

ca-pub-3221687192252588

171 ms

5627225775241995437

5627225775241995437

191 ms

load_preloaded_resource.js

load_preloaded_resource.js

194 ms

abg_lite.js

abg_lite.js

197 ms

window_focus.js

window_focus.js

203 ms

qs_click_protection.js

qs_click_protection.js

204 ms

ufs_web_display.js

ufs_web_display.js

96 ms

d4128ee657a8b8f36370500b7756be30.js

d4128ee657a8b8f36370500b7756be30.js

130 ms

icon.png

icon.png

95 ms

3970086884107790904

3970086884107790904

202 ms

css

css

45 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

21 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

24 ms

activeview

activeview

67 ms

MnkYVOJ9Vxy1fW7IbW6uwlgEUewyXabIiklRFbW9srs.js

MnkYVOJ9Vxy1fW7IbW6uwlgEUewyXabIiklRFbW9srs.js

5 ms

Accessibility Review

chinatrain12306.com accessibility score

96

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

Links do not have a discernible name

Best Practices

chinatrain12306.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

chinatrain12306.com SEO score

99

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chinatrain12306.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Chinatrain12306.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

chinatrain12306.com

Open Graph data is detected on the main page of China Train 12306. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: