Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

flights.ctrip.com.cn

【携程机票】飞机票查询,机票预订,机票价格查询,打折特价机票

Page Load Speed

43.1 sec in total

First Response

15.9 sec

Resources Loaded

27 sec

Page Rendered

261 ms

flights.ctrip.com.cn screenshot

About Website

Visit flights.ctrip.com.cn now to see the best up-to-date Flights Ctrip content and also check out these interesting facts you probably never knew about flights.ctrip.com.cn

携程机票官网提供飞机票查询,机票预订和特价机票查询,打折机票查询服务。携程同时动态提供航班查询,时刻表查询,机票查询时刻表票价,实时起降查询,以东方航空,中国南方航空,中国国航,深圳航空,厦门航空,海南航空,四川航空,春秋航空官方网站特价机票查询,是您网上订机票的首选。

Visit flights.ctrip.com.cn

Key Findings

We analyzed Flights.ctrip.com.cn page load time and found that the first response time was 15.9 sec and then it took 27.2 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.

Performance Metrics

flights.ctrip.com.cn performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.3 s

0/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value2,560 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.313

37/100

15%

TTI (Time to Interactive)

Value16.6 s

5/100

10%

Network Requests Diagram

flights.ctrip.com.cn

15871 ms

flights.ctrip.com

1182 ms

private_index.css

288 ms

PageHeader_v2.css

257 ms

Ctrip2013JS.js

255 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Flights.ctrip.com.cn, 29% (27 requests) were made to Webresource.c-ctrip.com and 21% (19 requests) were made to Pic.c-ctrip.com. The less responsive or slowest element that took the longest time to load (15.9 sec) belongs to the original domain Flights.ctrip.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 707.0 kB (47%)

Content Size

1.5 MB

After Optimization

782.7 kB

In fact, the total size of Flights.ctrip.com.cn main page is 1.5 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. 55% of websites need less resources to load. Javascripts take 731.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 117.7 kB

  • Original 143.1 kB
  • After minification 117.5 kB
  • After compression 25.4 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 25.5 kB, which is 18% 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 117.7 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 2.3 kB

  • Original 552.6 kB
  • After minification 550.3 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. Flights Ctrip images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 535.5 kB

  • Original 731.1 kB
  • After minification 635.0 kB
  • After compression 195.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 535.5 kB or 73% of the original size.

CSS Optimization

-82%

Potential reduce by 51.6 kB

  • Original 63.1 kB
  • After minification 55.7 kB
  • After compression 11.5 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. Flights.ctrip.com.cn needs all CSS files to be minified and compressed as it can save up to 51.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (55%)

Requests Now

85

After Optimization

38

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Flights 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 28 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

flights.ctrip.com.cn accessibility score

55

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

Image elements do not have [alt] attributes

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

flights.ctrip.com.cn best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

flights.ctrip.com.cn SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    GB2312

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