Report Summary

  • 0

    Performance

  • 35

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

gaotie.cn

高铁网:高铁时刻表及票价查询_网上订票_高铁票查询预订- Gaotie.Cn

Page Load Speed

25.9 sec in total

First Response

1.9 sec

Resources Loaded

23.6 sec

Page Rendered

456 ms

gaotie.cn screenshot

About Website

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

高铁网(Gaotie.cn)中国高铁网-专业的高铁网络信息平台:提供最新高铁资讯、2024最新高铁时刻表及票价查询,高铁票查询、高铁网上订票、网上订火车票在线预订动车票。高铁旅游线路,中国铁路客运专线、城际铁路列车时刻表,火车、动车时刻表及票价查询网上订票,高速铁路规划建设运营相关专题,高铁站点查询及网络购票乘车指南。

Visit gaotie.cn

Key Findings

We analyzed Gaotie.cn page load time and found that the first response time was 1.9 sec and then it took 24 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number 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

gaotie.cn performance score

0

Network Requests Diagram

www.gaotie.cn

1907 ms

souye.css

600 ms

header.css

1102 ms

footer.css

529 ms

link.css

533 ms

Our browser made a total of 159 requests to load all elements on the main page. We found that 41% of them (65 requests) were addressed to the original Gaotie.cn, 10% (16 requests) were made to Images.gaotie.cn and 8% (13 requests) were made to Cpro.baidustatic.com. The less responsive or slowest element that took the longest time to load (19.5 sec) belongs to the original domain Gaotie.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 699.8 kB (33%)

Content Size

2.1 MB

After Optimization

1.4 MB

In fact, the total size of Gaotie.cn main page is 2.1 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 87.0 kB

  • Original 108.2 kB
  • After minification 103.9 kB
  • After compression 21.2 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 87.0 kB or 80% of the original size.

Image Optimization

-7%

Potential reduce by 89.5 kB

  • Original 1.2 MB
  • After minification 1.1 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. Gaotie images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 487.3 kB

  • Original 740.2 kB
  • After minification 739.0 kB
  • After compression 252.9 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 487.3 kB or 66% of the original size.

CSS Optimization

-79%

Potential reduce by 35.9 kB

  • Original 45.3 kB
  • After minification 38.1 kB
  • After compression 9.3 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. Gaotie.cn needs all CSS files to be minified and compressed as it can save up to 35.9 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 87 (56%)

Requests Now

154

After Optimization

67

The browser has sent 154 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gaotie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

gaotie.cn accessibility score

35

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

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

gaotie.cn best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Browser errors were logged to the console

SEO Factors

gaotie.cn SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

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

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 Gaotie.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 Gaotie.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 Gaotie. 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: