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open.ctrip.com screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

open.ctrip.com

携程开放平台

Page Load Speed

32.5 sec in total

First Response

5 sec

Resources Loaded

27 sec

Page Rendered

444 ms

open.ctrip.com screenshot

About Website

Click here to check amazing Open Ctrip content for China. Otherwise, check out these important facts you probably never knew about open.ctrip.com

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Key Findings

We analyzed Open.ctrip.com page load time and found that the first response time was 5 sec and then it took 27.5 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 4 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

open.ctrip.com performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value2,260 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.041

99/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

open.ctrip.com

5021 ms

default.css

1497 ms

module.css

2228 ms

skin.css

5382 ms

container.css

948 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 90% of them (26 requests) were addressed to the original Open.ctrip.com, 10% (3 requests) were made to Pic.c-ctrip.com. The less responsive or slowest element that took the longest time to load (19.7 sec) belongs to the original domain Open.ctrip.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 491.4 kB (67%)

Content Size

730.4 kB

After Optimization

239.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Open.ctrip.com main page is 730.4 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. 15% of websites need less resources to load. Javascripts take 483.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 24.0 kB

  • Original 32.0 kB
  • After minification 30.2 kB
  • After compression 8.1 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 24.0 kB or 75% of the original size.

Image Optimization

-36%

Potential reduce by 48.9 kB

  • Original 136.3 kB
  • After minification 87.3 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. Obviously, Open Ctrip needs image optimization as it can save up to 48.9 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 354.9 kB

  • Original 483.2 kB
  • After minification 469.1 kB
  • After compression 128.4 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 354.9 kB or 73% of the original size.

CSS Optimization

-81%

Potential reduce by 63.6 kB

  • Original 78.8 kB
  • After minification 67.9 kB
  • After compression 15.2 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. Open.ctrip.com needs all CSS files to be minified and compressed as it can save up to 63.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (42%)

Requests Now

24

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Open 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 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

open.ctrip.com

open.ctrip.com

5021 ms

default.css

default.css

1497 ms

module.css

module.css

2228 ms

skin.css

skin.css

5382 ms

container.css

container.css

948 ms

portal.css

portal.css

4965 ms

jquery.min.js

jquery.min.js

6000 ms

jquery-ui.min.js

jquery-ui.min.js

5032 ms

WebResource.axd

WebResource.axd

5948 ms

Telerik.Web.UI.WebResource.axd

Telerik.Web.UI.WebResource.axd

8581 ms

dnn.modalpopup.js

dnn.modalpopup.js

2177 ms

dnncore.js

dnncore.js

2127 ms

initWidgets.js

initWidgets.js

3235 ms

%E5%9B%BE%E7%89%87%E9%93%BE%E6%8E%A5747.png

%E5%9B%BE%E7%89%87%E9%93%BE%E6%8E%A5747.png

19663 ms

%E6%96%87%E5%AD%97%E9%93%BE%E6%8E%A5.png

%E6%96%87%E5%AD%97%E9%93%BE%E6%8E%A5.png

5628 ms

%E6%90%9C%E7%B4%A2%E6%A1%86747.PNG

%E6%90%9C%E7%B4%A2%E6%A1%86747.PNG

19662 ms

%E9%A2%91%E9%81%93%E5%85%B1%E5%BB%BA1-747.PNG

%E9%A2%91%E9%81%93%E5%85%B1%E5%BB%BA1-747.PNG

9049 ms

%E9%A2%91%E9%81%93%E5%85%B1%E5%BB%BA1-1.PNG

%E9%A2%91%E9%81%93%E5%85%B1%E5%BB%BA1-1.PNG

7859 ms

%E9%A2%91%E9%81%93%E5%85%B1%E5%BB%BA2.PNG

%E9%A2%91%E9%81%93%E5%85%B1%E5%BB%BA2.PNG

13954 ms

%E9%A2%91%E9%81%93%E5%85%B1%E5%BB%BA3.png

%E9%A2%91%E9%81%93%E5%85%B1%E5%BB%BA3.png

19661 ms

api.png

api.png

10022 ms

%E6%95%B4%E7%AB%99747.png

%E6%95%B4%E7%AB%99747.png

19660 ms

icon_arrow_down.png

icon_arrow_down.png

355 ms

bg_border.png

bg_border.png

1670 ms

bg_side1.png

bg_side1.png

396 ms

ctrip_logo.png

ctrip_logo.png

4650 ms

un_ico.png

un_ico.png

6644 ms

DotNetNukeAjaxShared.js

DotNetNukeAjaxShared.js

7054 ms

widgets.js

widgets.js

1157 ms

Accessibility Review

open.ctrip.com accessibility score

59

Accessibility Issues

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

Buttons do not have an accessible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

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

open.ctrip.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the geolocation permission on page load

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

High

Missing source maps for large first-party JavaScript

SEO Factors

open.ctrip.com SEO score

85

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Open.ctrip.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Chinese. Our system also found out that Open.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.ctrip.com

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