Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

vbooking.ctrip.com

旅游供应商平台

Page Load Speed

23.1 sec in total

First Response

9.2 sec

Resources Loaded

13.7 sec

Page Rendered

254 ms

vbooking.ctrip.com screenshot

About Website

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

旅游供应商平台

Visit vbooking.ctrip.com

Key Findings

We analyzed Vbooking.ctrip.com page load time and found that the first response time was 9.2 sec and then it took 13.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

vbooking.ctrip.com performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value23.2 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value2,350 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.087

93/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

Network Requests Diagram

vbooking.ctrip.com

9170 ms

Login2.aspx

514 ms

vbooking_v2.css

796 ms

WebResource.axd

1176 ms

WebResource.axd

1286 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 32% of them (6 requests) were addressed to the original Vbooking.ctrip.com, 53% (10 requests) were made to Pic.c-ctrip.com and 5% (1 request) were made to I3.tietuku.com. The less responsive or slowest element that took the longest time to load (9.2 sec) belongs to the original domain Vbooking.ctrip.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.7 kB (22%)

Content Size

272.7 kB

After Optimization

214.0 kB

In fact, the total size of Vbooking.ctrip.com main page is 272.7 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. Images take 178.0 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 6.6 kB

  • Original 10.0 kB
  • After minification 8.3 kB
  • After compression 3.4 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 1.8 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 6.6 kB or 66% of the original size.

Image Optimization

-0%

Potential reduce by 129 B

  • Original 178.0 kB
  • After minification 177.8 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. Vbooking Ctrip images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 51.9 kB

  • Original 84.6 kB
  • After minification 84.6 kB
  • After compression 32.7 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 51.9 kB or 61% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

17

After Optimization

17

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vbooking Ctrip. According to our analytics all requests are already optimized.

Accessibility Review

vbooking.ctrip.com accessibility score

72

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

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

vbooking.ctrip.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

vbooking.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

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 Vbooking.ctrip.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 Vbooking.ctrip.com 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 Vbooking 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: