Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

jtb.cn

JTBCHINA网站

Page Load Speed

74.1 sec in total

First Response

5.8 sec

Resources Loaded

67.9 sec

Page Rendered

326 ms

jtb.cn screenshot

About Website

Visit jtb.cn now to see the best up-to-date Jtb content for Japan and also check out these interesting facts you probably never knew about jtb.cn

中国のことなら安心と信頼のJTB Chinaグループへ。おすすめの中国旅行、中国発海外旅行、オプショナルツアー、お車やガイドのチャーターなどプラン情報を掲載。

Visit jtb.cn

Key Findings

We analyzed Jtb.cn page load time and found that the first response time was 5.8 sec and then it took 68.2 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

jtb.cn performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value530 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

jtb.cn

5844 ms

www.jtb.cn

18485 ms

common.css

18599 ms

header-footer.css

2872 ms

hotel.css

14591 ms

Our browser made a total of 131 requests to load all elements on the main page. We found that 87% of them (114 requests) were addressed to the original Jtb.cn, 11% (14 requests) were made to Mybus.com.cn and 2% (2 requests) were made to I.yimg.jp. The less responsive or slowest element that took the longest time to load (18.7 sec) belongs to the original domain Jtb.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 296.7 kB (73%)

Content Size

404.6 kB

After Optimization

107.9 kB

In fact, the total size of Jtb.cn main page is 404.6 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. 45% of websites need less resources to load. Javascripts take 167.9 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 105.3 kB

  • Original 131.9 kB
  • After minification 120.7 kB
  • After compression 26.6 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 105.3 kB or 80% of the original size.

Image Optimization

-9%

Potential reduce by 2.8 kB

  • Original 32.5 kB
  • After minification 29.7 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. Jtb images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 128.9 kB

  • Original 167.9 kB
  • After minification 130.0 kB
  • After compression 39.0 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 128.9 kB or 77% of the original size.

CSS Optimization

-83%

Potential reduce by 59.7 kB

  • Original 72.3 kB
  • After minification 61.3 kB
  • After compression 12.6 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. Jtb.cn needs all CSS files to be minified and compressed as it can save up to 59.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (30%)

Requests Now

128

After Optimization

90

The browser has sent 128 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jtb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

jtb.cn accessibility score

78

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

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

jtb.cn best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

SEO Factors

jtb.cn SEO score

86

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

High

robots.txt is not valid

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

    JA

  • Language Claimed

    JP

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jtb.cn can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed language. Our system also found out that Jtb.cn 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 Jtb. 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: