Tools & Wizards About Us
jtbonline.jp screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

jtbonline.jp

ホテル・旅館・宿の宿泊予約 | 国内旅行【JTB】

Page Load Speed

58.5 sec in total

First Response

3.8 sec

Resources Loaded

52 sec

Page Rendered

2.7 sec

jtbonline.jp screenshot

About Website

Welcome to jtbonline.jp homepage info - get ready to check JTB Online best content for Japan right away, or after learning these important things about jtbonline.jp

国内のホテル・旅館・宿の宿泊予約は【JTB】にお任せください。クーポンが使えるお得なホテル、こだわり条件検索でお手頃価格プランや記念日のお祝いプランまで、あなたにぴったりの旅行がきっと見つかります。

Visit jtbonline.jp

Key Findings

We analyzed Jtbonline.jp page load time and found that the first response time was 3.8 sec and then it took 54.6 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

jtbonline.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.7 s

0/100

25%

SI (Speed Index)

Value23.3 s

0/100

10%

TBT (Total Blocking Time)

Value10,450 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value58.7 s

0/100

10%

Network Requests Diagram

3838 ms

style.min.css

1234 ms

f-style.min.css

3251 ms

f-style-kkrs-mui.min.css

3237 ms

f-style-temporary.min.css

2262 ms

Our browser made a total of 234 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Jtbonline.jp, 9% (21 requests) were made to Googletagmanager.com and 2% (5 requests) were made to Jtb-history.forcia.com. The less responsive or slowest element that took the longest time to load (15.2 sec) relates to the external source Jtb.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (22%)

Content Size

6.8 MB

After Optimization

5.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jtbonline.jp main page is 6.8 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. Only a small number of websites need less resources to load. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 808.2 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 281.1 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 808.2 kB or 74% of the original size.

Image Optimization

-9%

Potential reduce by 454.8 kB

  • Original 4.9 MB
  • After minification 4.5 MB

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 Online images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 214.5 kB

  • Original 735.0 kB
  • After minification 713.4 kB
  • After compression 520.6 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 214.5 kB or 29% of the original size.

CSS Optimization

-61%

Potential reduce by 38.8 kB

  • Original 63.8 kB
  • After minification 51.6 kB
  • After compression 25.0 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. Jtbonline.jp needs all CSS files to be minified and compressed as it can save up to 38.8 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 141 (65%)

Requests Now

217

After Optimization

76

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 217 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JTB Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 108 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

3838 ms

style.min.css

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1234 ms

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bundle.025a18bb-9b79-46d8-bc38-ac789a34efc7.json

5 ms

bundle.7179e18e-7980-46fb-aee9-8c8dff056b4a.js

bundle.7179e18e-7980-46fb-aee9-8c8dff056b4a.js

5 ms

gtm.js

gtm.js

31 ms

log.js

log.js

5 ms

collect

collect

278 ms

universe_cookie_sync.html

universe_cookie_sync.html

807 ms

config.json

config.json

161 ms

im-uid.js

im-uid.js

5 ms

get-tr.html

get-tr.html

674 ms

get

get

256 ms

tr

tr

917 ms

Accessibility Review

jtbonline.jp accessibility score

86

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

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible 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.

Best Practices

jtbonline.jp 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

jtbonline.jp SEO score

93

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

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

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jtbonline.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Jtbonline.jp 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

jtbonline.jp

Open Graph data is detected on the main page of JTB Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: