Access chugoku-jrbus.co.jp. 広島・岡山・山口の高速バス、路線バス、定期観光バス、空港連絡バスなら中国ジェイアールバス株式会社

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

1/100

10%

LCP (Largest Contentful Paint)

Value22.1 s

0/100

25%

SI (Speed Index)

Value12.1 s

4/100

10%

TBT (Total Blocking Time)

Value2,150 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.316

37/100

15%

TTI (Time to Interactive)

Value18.3 s

3/100

10%

chugoku-jrbus.co.jp

642 ms

index.html

589 ms

base.css

576 ms

common.css

577 ms

style.css

397 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 87% of them (123 requests) were addressed to the original Chugoku-jrbus.co.jp, 5% (7 requests) were made to Google.com and 3% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Chugoku-jrbus.co.jp.

Content Size

1.9 MB

After Optimization

1.6 MB

In fact, the total size of Chugoku-jrbus.co.jp main page is 1.9 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. 50% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 32.6 kB

Original 42.0 kB
After minification 38.7 kB
After compression 9.4 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. 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 32.6 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 55.2 kB

Original 1.4 MB
After minification 1.4 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. Chugoku Jrbus images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 260.1 kB

Original 415.0 kB
After minification 388.7 kB
After compression 154.9 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 260.1 kB or 63% of the original size.

CSS Optimization

-84%

Potential reduce by 38.2 kB

Original 45.3 kB
After minification 33.5 kB
After compression 7.2 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. Chugoku-jrbus.co.jp needs all CSS files to be minified and compressed as it can save up to 38.2 kB or 84% of the original size.

Requests Now

137

After Optimization

114

The browser has sent 137 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chugoku Jrbus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

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

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Chugoku-jrbus.co.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 Chugoku-jrbus.co.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

chugoku-jrbus.co.jp

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

Report Summary

Performance

Accessibility

Best Practices

SEO

広島・岡山・山口の高速バス、路線バス、定期観光バス、空港連絡バスなら中国ジェイアールバス株式会社

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

chugoku-jrbus.co.jp

index.html

base.css

common.css

style.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

chugoku-jrbus.co.jp

index.html

base.css

common.css

style.css

jquery-1.8.3.min.js

jquery.easing.1.3.js

jquery.flatheights.js

jquery.carouFredSel-5.6.1-packed.js

heightLine.js

common.js

jquery.cookie.js

smartphone.js

script.js

sysCommon.js

dateRide.js

logo.gif

hlink_en_off.gif

gnav_01.gif

gnav_02.gif

gnav_03.gif

gnav_04.gif

gnav_05.gif

gnav_06.gif

btn_close.gif

bnr_hlinken_01.jpg

bnr_hlinken_02.jpg

bnr_hlinken_03.jpg

hlinken_chara.gif

main_kagoshima.jpg

main_tamatsukuri.jpg

main_tokyo.jpg

main_meipurupu.jpg

main_meipurusky.jpg

main_kashikiri.jpg

main_matsueizumo.jpg

main_sekaiisan.jpg

thumb_kagoshima.jpg

thumb_tamatsukuri.jpg

thumb_tokyo.jpg

thumb_meipurupu.jpg

thumb_meipurusky.jpg

thumb_kashikiri.jpg