Tools & Wizards About Us

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

c-ctrip.com

携程旅行网:酒店预订,机票预订查询,旅游度假,商旅管理

Page Load Speed

6.8 sec in total

First Response

541 ms

Resources Loaded

6.2 sec

Page Rendered

79 ms

About Website

Welcome to c-ctrip.com homepage info - get ready to check C Ctrip best content for China right away, or after learning these important things about c-ctrip.com

携程旅行网是中国领先的在线旅行服务公司，向超过9000万会员提供酒店预订、酒店点评及特价酒店查询、机票预订、飞机票查询、时刻表、票价查询、航班查询、度假预订、商旅管理、为您的出行提供全方位旅行服务。

Visit c-ctrip.com

Key Findings

We analyzed C-ctrip.com page load time and found that the first response time was 541 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

c-ctrip.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value2,590 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value12.4 s

14/100

10%

Network Requests Diagram

c-ctrip.com

541 ms

www.ctrip.com

1512 ms

hotelSearchV1.css

115 ms

marketAdvert.css

121 ms

platformAdvertStairs.css

125 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original C-ctrip.com, 49% (31 requests) were made to Aw-s.tripcdn.com and 11% (7 requests) were made to Webresource.c-ctrip.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Secure.mediav.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 352.5 kB (21%)

Content Size

1.7 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of C-ctrip.com main page is 1.7 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. 50% of websites need less resources to load. Javascripts take 805.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 224.9 kB

  • Original 284.0 kB
  • After minification 283.5 kB
  • After compression 59.1 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 224.9 kB or 79% of the original size.

Image Optimization

-13%

Potential reduce by 76.0 kB

  • Original 575.9 kB
  • After minification 500.0 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, C Ctrip needs image optimization as it can save up to 76.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 49.8 kB

  • Original 805.3 kB
  • After minification 805.3 kB
  • After compression 755.5 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

-6%

Potential reduce by 1.8 kB

  • Original 30.7 kB
  • After minification 30.7 kB
  • After compression 28.9 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. C-ctrip.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (54%)

Requests Now

59

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C Ctrip. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

c-ctrip.com accessibility score

76

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

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

c-ctrip.com best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

c-ctrip.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise C-ctrip.com 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 C-ctrip.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 C Ctrip. 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: