Tools & Wizards About Us

Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

changtu.com

畅途网:长途汽车票网上订票官网_客车时刻表查询_汽车票预订

Page Load Speed

93 sec in total

First Response

5 sec

Resources Loaded

85.9 sec

Page Rendered

2.1 sec

About Website

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

畅途网（changtu.com）【长途汽车票网上订票官网】是中国道路运输协会指定的全国道路客运计算机站外联网售票网络平台运营商。服务热线:400-600-8080.

Visit changtu.com

Key Findings

We analyzed Changtu.com page load time and found that the first response time was 5 sec and then it took 88 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 were 6 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

changtu.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value18.2 s

0/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.064

97/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

changtu.com

5032 ms

www.changtu.com

6532 ms

base.css

1501 ms

header-footerNew.css

1864 ms

index_banner.css

3096 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 13% of them (12 requests) were addressed to the original Changtu.com, 66% (63 requests) were made to Res.4006008080.com and 3% (3 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (21.2 sec) relates to the external source Res.4006008080.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 186.4 kB (45%)

Content Size

413.8 kB

After Optimization

227.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Changtu.com main page is 413.8 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. 30% of websites need less resources to load. Javascripts take 214.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 33.3 kB

  • Original 42.9 kB
  • After minification 36.8 kB
  • After compression 9.5 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 6.1 kB, which is 14% 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 33.3 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 4.0 kB

  • Original 147.3 kB
  • After minification 143.3 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. Changtu images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 142.3 kB

  • Original 214.6 kB
  • After minification 210.8 kB
  • After compression 72.4 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 142.3 kB or 66% of the original size.

CSS Optimization

-76%

Potential reduce by 6.8 kB

  • Original 8.9 kB
  • After minification 7.3 kB
  • After compression 2.2 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. Changtu.com needs all CSS files to be minified and compressed as it can save up to 6.8 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (53%)

Requests Now

85

After Optimization

40

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Changtu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

changtu.com accessibility score

64

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

changtu.com best practices score

75

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

Low

Detected JavaScript libraries

SEO Factors

changtu.com SEO score

77

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

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

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