14.5 sec in total
522 ms
13.6 sec
405 ms
Visit j-bus.co.jp now to see the best up-to-date J Bus content for Japan and also check out these interesting facts you probably never knew about j-bus.co.jp
東京、大阪、名古屋発着をはじめ、全国400路線以上から選べる高速バス・夜行バスの予約サイト【発車オ~ライネット】。ディズニーやUSJ、空港バス、観光コース等プランも充実!コンビニ発券・クレジット決済、モバイルチケットでバス予約がとても簡単!
Visit j-bus.co.jpWe analyzed J-bus.co.jp page load time and found that the first response time was 522 ms and then it took 14 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
j-bus.co.jp performance score
name
value
score
weighting
Value8.7 s
0/100
10%
Value9.0 s
1/100
25%
Value16.4 s
0/100
10%
Value17,830 ms
0/100
30%
Value0.003
100/100
15%
Value32.4 s
0/100
10%
522 ms
4747 ms
490 ms
868 ms
537 ms
Our browser made a total of 72 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original J-bus.co.jp, 86% (62 requests) were made to Secure.j-bus.co.jp and 6% (4 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (5.3 sec) relates to the external source Secure.j-bus.co.jp.
Page size can be reduced by 339.2 kB (66%)
510.2 kB
171.0 kB
In fact, the total size of J-bus.co.jp main page is 510.2 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. 20% of websites need less resources to load. Javascripts take 328.7 kB which makes up the majority of the site volume.
Potential reduce by 32.2 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 5.6 kB, which is 14% 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 32.2 kB or 79% of the original size.
Potential reduce by 45.1 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. Obviously, J Bus needs image optimization as it can save up to 45.1 kB or 42% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 234.9 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 234.9 kB or 71% of the original size.
Potential reduce by 27.0 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. J-bus.co.jp needs all CSS files to be minified and compressed as it can save up to 27.0 kB or 83% of the original size.
Number of requests can be reduced by 21 (30%)
70
49
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of J Bus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
j-bus.co.jp
522 ms
hon
4747 ms
Set.css
490 ms
Common.css
868 ms
jquery.dropdown.css
537 ms
ui.datepicker.css
740 ms
jquery.imageNavigation.css
568 ms
Top.css
1329 ms
jquery-1.7.1.min.js
2141 ms
MicrosoftAjax.js
2212 ms
MicrosoftMvcAjax.js
1635 ms
rollover.js
1327 ms
function.js
1588 ms
jquery.cookie.js
2053 ms
jquery.textsize.js
1885 ms
jquery.dropdown.js
2121 ms
init.datepicker.js
2511 ms
ui.datepicker.js
3252 ms
ui.datepicker.ja.js
2560 ms
jquery.imageNavigation.js
2827 ms
show_ads.js
19 ms
bg_header_sitemaps.gif
202 ms
arw_down_white.png
1108 ms
hd_left_image02.jpg
796 ms
bn_jbo_header.jpg
643 ms
gnv_pagetop_off.gif
538 ms
gnv_airport_off.gif
535 ms
gnv_rosen_off.gif
703 ms
gnv_service_off.gif
1068 ms
gnv_teikikanko_off.gif
1104 ms
gnv_howto_off.gif
1208 ms
btn_login_off.gif
1231 ms
btn_register_off.gif
1270 ms
ct_w350.gif
1580 ms
ct_title.gif
1934 ms
ico_calendar.gif
1954 ms
btn_kuseki_off.gif
1761 ms
mp_area_default.gif
2533 ms
bn_bus.gif
2741 ms
bn_ntabanar.gif
2319 ms
bn_j3.gif
2321 ms
bn_jbo_200x60.png
2922 ms
bn_privacy.gif
2525 ms
bn_advertising01.gif
2979 ms
bn_advertising02.gif
2993 ms
bn_advertising03.gif
3217 ms
bn_advertising04.gif
3266 ms
bn_advertising01_b.gif
3969 ms
bn_advertising02_b.gif
3945 ms
bn_advertising03_b.gif
3974 ms
bn_advertising04_b.gif
4254 ms
bn_aiu_world.png
3884 ms
bn_aiu_country.gif
3975 ms
banner_mimo.gif
4445 ms
banner_hhl.gif
4497 ms
banner_camp.gif
4521 ms
news1.html
5250 ms
ca-pub-8462381457795456.js
5 ms
zrt_lookup.html
36 ms
show_ads_impl.js
48 ms
ga.js
108 ms
ads
148 ms
osd.js
10 ms
ads
202 ms
__utm.gif
24 ms
banner_wooddeck.jpg
4980 ms
arw_area.gif
4251 ms
ct_w600.gif
4468 ms
bn_advertising01_on.gif
4525 ms
bn_advertising02_on.gif
4505 ms
bn_advertising03_on.gif
4697 ms
bn_advertising04_on.gif
4644 ms
j-bus.co.jp accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
j-bus.co.jp best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
j-bus.co.jp SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document doesn't use legible font sizes
Tap targets are not sized appropriately
JA
JA
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise J-bus.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 J-bus.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.
j-bus.co.jp
Open Graph description is not detected on the main page of J Bus. 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: