Tools & Wizards About Us
489.fm screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 56

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

489.fm

さくら高速バス　|　高速バス・夜行バス予約

Page Load Speed

8.7 sec in total

First Response

342 ms

Resources Loaded

8.1 sec

Page Rendered

307 ms

489.fm screenshot

About Website

Welcome to 489.fm homepage info - get ready to check 489 best content for Japan right away, or after learning these important things about 489.fm

高速バス・夜行バス・深夜バス予約のさくら高速バス（株式会社さくら観光）。コンセント付き、女性専用車や3列シート、格安〜高級まで豊富な便数・バスタイプからお好きな高速バス・夜行バスをお選びください。座席指定はもちろん、キャンセル待ちもできる高速バス予約サイト。青森・盛岡・山形・仙台・福島・会津・金沢・富山・名古屋・京都・大阪−東京・横浜間の人気路線もラインナップ。便ごとの安全装備も掲載！

Visit 489.fm

Key Findings

We analyzed 489.fm page load time and found that the first response time was 342 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

489.fm performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

10/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.189

65/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

489.fm

342 ms

www.489.fm

1063 ms

common.css

169 ms

base.css

337 ms

body.css

495 ms

Our browser made a total of 243 requests to load all elements on the main page. We found that 88% of them (214 requests) were addressed to the original 489.fm, 5% (11 requests) were made to Platform.twitter.com and 1% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain 489.fm.

Page Optimization Overview & Recommendations

Page size can be reduced by 182.0 kB (10%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 489.fm 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. 60% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 114.7 kB

  • Original 130.4 kB
  • After minification 98.1 kB
  • After compression 15.7 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 32.3 kB, which is 25% 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 114.7 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 25.1 kB

  • Original 1.6 MB
  • After minification 1.6 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. 489 images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 39.2 kB

  • Original 134.6 kB
  • After minification 134.3 kB
  • After compression 95.4 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 39.2 kB or 29% of the original size.

CSS Optimization

-16%

Potential reduce by 2.9 kB

  • Original 18.0 kB
  • After minification 18.0 kB
  • After compression 15.1 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. 489.fm needs all CSS files to be minified and compressed as it can save up to 2.9 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 97 (40%)

Requests Now

240

After Optimization

143

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 240 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 489. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

489.fm

489.fm

342 ms

www.489.fm

www.489.fm

1063 ms

common.css

common.css

169 ms

base.css

base.css

337 ms

body.css

body.css

495 ms

contents.css

contents.css

498 ms

sagscroller.css

sagscroller.css

502 ms

calendar.css

calendar.css

502 ms

ranking.css

ranking.css

503 ms

js

js

81 ms

common.js

common.js

505 ms

jquery.js

jquery.js

824 ms

default.js

default.js

664 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

835 ms

sagscroller.js

sagscroller.js

664 ms

index2.js

index2.js

667 ms

ranking.js

ranking.js

700 ms

thickbox.css

thickbox.css

829 ms

ms-translate-worker.min.js

ms-translate-worker.min.js

44 ms

icon

icon

56 ms

translate.css

translate.css

829 ms

layerBoard.css

layerBoard.css

844 ms

jquery.cookie.js

jquery.cookie.js

844 ms

jquery.layerBoard.js

jquery.layerBoard.js

988 ms

apps.paidy.com

apps.paidy.com

44 ms

paidy.js

paidy.js

994 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

1065 ms

jquery.galleryview-1.1.js

jquery.galleryview-1.1.js

1065 ms

jquery.timers-1.1.2.js

jquery.timers-1.1.2.js

1065 ms

index.js

index.js

1067 ms

map.js

map.js

1150 ms

calendar.js

calendar.js

1158 ms

widgets.js

widgets.js

110 ms

gmogs_image_130-66_ja.js

gmogs_image_130-66_ja.js

637 ms

thickbox.js

thickbox.js

1159 ms

sakura.js

sakura.js

731 ms

js

js

30 ms

analytics.js

analytics.js

16 ms

collect

collect

12 ms

collect

collect

12 ms

ga-audiences

ga-audiences

76 ms

space.gif

space.gif

334 ms

gs_noscript_130-66_ja.gif

gs_noscript_130-66_ja.gif

52 ms

bg01.gif

bg01.gif

194 ms

header_bg.gif

header_bg.gif

194 ms

header_bg2.gif

header_bg2.gif

298 ms

header_logo.gif

header_logo.gif

308 ms

arrow01.gif

arrow01.gif

310 ms

attention.gif

attention.gif

314 ms

bread_txt.gif

bread_txt.gif

338 ms

appl_renew_bnr_1520x500.png

appl_renew_bnr_1520x500.png

1004 ms

top_condition_bg.gif

top_condition_bg.gif

464 ms

title_top01.gif

title_top01.gif

474 ms

arrow02.gif

arrow02.gif

476 ms

calendar.gif

calendar.gif

480 ms

main_img30.jpg

main_img30.jpg

505 ms

main.png

main.png

1119 ms

main_img27.png

main_img27.png

803 ms

main_img23.png

main_img23.png

642 ms

main_img21_2.png

main_img21_2.png

647 ms

main_img20.png

main_img20.png

839 ms

main_img19.png

main_img19.png

972 ms

main_img17.jpg

main_img17.jpg

978 ms

main_img16.jpg

main_img16.jpg

1134 ms

main_img13.jpg

main_img13.jpg

1006 ms

main_img09.jpg

main_img09.jpg

1139 ms

main_img08.jpg

main_img08.jpg

1150 ms

main_img03.jpg

main_img03.jpg

1169 ms

main_img04.jpg

main_img04.jpg

1173 ms

mains_img04.gif

mains_img04.gif

1283 ms

mains_img30.jpg

mains_img30.jpg

1258 ms

mains.png

mains.png

1261 ms

mains_img27.png

mains_img27.png

1266 ms

mains_img23.png

mains_img23.png

1291 ms

mains_img21.png

mains_img21.png

1294 ms

mains_img20.png

mains_img20.png

1319 ms

mains_img19.jpg

mains_img19.jpg

1327 ms

mains_img17.jpg

mains_img17.jpg

1319 ms

siteSeal.do

siteSeal.do

759 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

61 ms

mains_img16.jpg

mains_img16.jpg

1289 ms

mains_img13.jpg

mains_img13.jpg

1315 ms

body.js

body.js

11 ms

flUhRq6tzZclQEJ-Vdg-IuiaDsNZ.ttf

flUhRq6tzZclQEJ-Vdg-IuiaDsNZ.ttf

31 ms

mains_img09.gif

mains_img09.gif

1317 ms

settings

settings

73 ms

mains_img08.gif

mains_img08.gif

1320 ms

mains_img03.gif

mains_img03.gif

1328 ms

hanbai.png

hanbai.png

1331 ms

king.png

king.png

1334 ms

timeline.e108540dddc96e4b707f5cf259a582d7.js

timeline.e108540dddc96e4b707f5cf259a582d7.js

18 ms

01.png

01.png

1338 ms

sakurakanko

sakurakanko

812 ms

atraina.jpg

atraina.jpg

1215 ms

02.png

02.png

1309 ms

7.jpg

7.jpg

1326 ms

03.png

03.png

1326 ms

04.png

04.png

1310 ms

relax3.jpg

relax3.jpg

1202 ms

05.png

05.png

1199 ms

sento.jpg

sento.jpg

1144 ms

kirakirabus.jpg

kirakirabus.jpg

1129 ms

siteSealImage.do

siteSealImage.do

506 ms

syoei1.jpg

syoei1.jpg

1000 ms

sansaku.png

sansaku.png

1003 ms

syoeibus2.jpg

syoeibus2.jpg

1009 ms

shb.jpg

shb.jpg

1006 ms

chibamirai2013.jpg

chibamirai2013.jpg

995 ms

aw-rt-02.png

aw-rt-02.png

999 ms

00.png

00.png

999 ms

02.png

02.png

997 ms

polyfills-3b821eda8863adcc4a4b.js

polyfills-3b821eda8863adcc4a4b.js

19 ms

runtime-a697c5a1ae32bd7e4d42.js

runtime-a697c5a1ae32bd7e4d42.js

38 ms

modules.20f98d7498a59035a762.js

modules.20f98d7498a59035a762.js

73 ms

main-fd9ef5eb169057cda26d.js

main-fd9ef5eb169057cda26d.js

74 ms

_app-88bf420a57d49e33be53.js

_app-88bf420a57d49e33be53.js

77 ms

%5BscreenName%5D-c33f0b02841cffc3e9b4.js

%5BscreenName%5D-c33f0b02841cffc3e9b4.js

78 ms

_buildManifest.js

_buildManifest.js

86 ms

_ssgManifest.js

_ssgManifest.js

87 ms

dot.png

dot.png

1009 ms

enn.png

enn.png

1008 ms

01.png

01.png

994 ms

08.png

08.png

999 ms

05.png

05.png

999 ms

03.png

03.png

1002 ms

07.png

07.png

1008 ms

04.png

04.png

1007 ms

top_map_bg.gif

top_map_bg.gif

994 ms

title_top03.gif

title_top03.gif

1000 ms

map00.jpg

map00.jpg

1000 ms

top_area01.gif

top_area01.gif

1003 ms

top_area02.gif

top_area02.gif

1008 ms

top_area03.gif

top_area03.gif

1007 ms

top_area04.gif

top_area04.gif

995 ms

top_area05.gif

top_area05.gif

999 ms

top_area06.gif

top_area06.gif

999 ms

top_area07.gif

top_area07.gif

1003 ms

top_area08.gif

top_area08.gif

1008 ms

map_label_01.png

map_label_01.png

1007 ms

map_label_02.png

map_label_02.png

993 ms

map_label_03.png

map_label_03.png

998 ms

map_label_04.png

map_label_04.png

999 ms

map_label_05.png

map_label_05.png

1002 ms

map_label_06.png

map_label_06.png

1007 ms

map_label_07.png

map_label_07.png

1006 ms

map_label_08.png

map_label_08.png

993 ms

bus_list.gif

bus_list.gif

998 ms

icon01.gif

icon01.gif

999 ms

otoku.gif

otoku.gif

1002 ms

jikokuhyo.gif

jikokuhyo.gif

1008 ms

okiniiri.gif

okiniiri.gif

1007 ms

kaiin.gif

kaiin.gif

993 ms

title_bg.gif

title_bg.gif

997 ms

select_btn11.gif

select_btn11.gif

997 ms

select_btnatstdp.png

select_btnatstdp.png

1001 ms

select_btn03.gif

select_btn03.gif

1006 ms

select_btn05.gif

select_btn05.gif

1005 ms

select_btn06.gif

select_btn06.gif

992 ms

select_btn07.gif

select_btn07.gif

996 ms

select_btn08.gif

select_btn08.gif

998 ms

select_btn12.gif

select_btn12.gif

1001 ms

select_btn21.gif

select_btn21.gif

1008 ms

2select_btn60.gif

2select_btn60.gif

1007 ms

select_btn13.gif

select_btn13.gif

992 ms

select_btn14.gif

select_btn14.gif

997 ms

select_btn15.gif

select_btn15.gif

999 ms

select_btn16.gif

select_btn16.gif

1001 ms

select_btn17.gif

select_btn17.gif

1009 ms

select_btn19.gif

select_btn19.gif

1008 ms

select_btn22.gif

select_btn22.gif

992 ms

select_btn23.gif

select_btn23.gif

998 ms

select_btn25.gif

select_btn25.gif

999 ms

select_btn27.gif

select_btn27.gif

1003 ms

select_btn28.gif

select_btn28.gif

1008 ms

select_btn30.gif

select_btn30.gif

1008 ms

select_btn32.gif

select_btn32.gif

993 ms

select_btn34.gif

select_btn34.gif

999 ms

2select_btn35.gif

2select_btn35.gif

999 ms

select_btn36.gif

select_btn36.gif

1002 ms

select_btn37.gif

select_btn37.gif

1008 ms

select_btn38.gif

select_btn38.gif

1008 ms

unkoujyoukyou.gif

unkoujyoukyou.gif

993 ms

toiawase.png

toiawase.png

999 ms

baggagelimit.png

baggagelimit.png

999 ms

lane_guide.gif

lane_guide.gif

1003 ms

ride_guide.jpg

ride_guide.jpg

1010 ms

payguide.png

payguide.png

1009 ms

wari_pc.gif

wari_pc.gif

994 ms

sakurakotsu.gif

sakurakotsu.gif

1000 ms

atliner_banner_489.jpg

atliner_banner_489.jpg

999 ms

cpBK_guide_bunner.jpg

cpBK_guide_bunner.jpg

1002 ms

paidy_long.png

paidy_long.png

1010 ms

paidy_camp_03.png

paidy_camp_03.png

1175 ms

pagetop.gif

pagetop.gif

994 ms

footer_logo.gif

footer_logo.gif

999 ms

copyright.gif

copyright.gif

999 ms

footer_bg01.gif

footer_bg01.gif

1002 ms

footer_bg02.gif

footer_bg02.gif

1009 ms

top_area01_on.gif

top_area01_on.gif

1073 ms

top_area02_on.gif

top_area02_on.gif

1027 ms

top_area03_on.gif

top_area03_on.gif

1006 ms

top_area04_on.gif

top_area04_on.gif

1015 ms

top_area05_on.gif

top_area05_on.gif

1048 ms

top_area06_on.gif

top_area06_on.gif

1008 ms

top_area07_on.gif

top_area07_on.gif

1070 ms

top_area08_on.gif

top_area08_on.gif

1028 ms

otoku_on.gif

otoku_on.gif

1005 ms

jikokuhyo_on.gif

jikokuhyo_on.gif

1016 ms

okiniiri_on.gif

okiniiri_on.gif

1047 ms

kaiin_on.gif

kaiin_on.gif

1009 ms

select_btn11_on.gif

select_btn11_on.gif

1067 ms

select_btnatstdp_on.png

select_btnatstdp_on.png

1028 ms

select_btn03_on.gif

select_btn03_on.gif

1005 ms

select_btn05_on.gif

select_btn05_on.gif

1016 ms

select_btn06_on.gif

select_btn06_on.gif

1049 ms

select_btn07_on.gif

select_btn07_on.gif

1009 ms

select_btn08_on.gif

select_btn08_on.gif

1066 ms

select_btn12_on.gif

select_btn12_on.gif

1029 ms

select_btn21_on.gif

select_btn21_on.gif

1004 ms

2select_btn60_on.gif

2select_btn60_on.gif

1016 ms

select_btn13_on.gif

select_btn13_on.gif

1051 ms

select_btn14_on.gif

select_btn14_on.gif

1007 ms

select_btn15_on.gif

select_btn15_on.gif

1061 ms

select_btn16_on.gif

select_btn16_on.gif

1030 ms

select_btn17_on.gif

select_btn17_on.gif

1005 ms

select_btn19_on.gif

select_btn19_on.gif

1017 ms

select_btn22_on.gif

select_btn22_on.gif

1052 ms

select_btn23_on.gif

select_btn23_on.gif

1007 ms

select_btn25_on.gif

select_btn25_on.gif

993 ms

select_btn27_on.gif

select_btn27_on.gif

999 ms

select_btn28_on.gif

select_btn28_on.gif

999 ms

select_btn30_on.gif

select_btn30_on.gif

1001 ms

select_btn32_on.gif

select_btn32_on.gif

1010 ms

select_btn34_on.gif

select_btn34_on.gif

1008 ms

2select_btn35_on.gif

2select_btn35_on.gif

992 ms

select_btn36_on.gif

select_btn36_on.gif

999 ms

select_btn37_on.gif

select_btn37_on.gif

999 ms

select_btn38_on.gif

select_btn38_on.gif

1002 ms

pagetop_on.gif

pagetop_on.gif

1009 ms

pointer_select.png

pointer_select.png

1008 ms

next.png

next.png

993 ms

prev.png

prev.png

999 ms

loadingAnimation.gif

loadingAnimation.gif

999 ms

Accessibility Review

489.fm accessibility score

56

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.

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

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

489.fm 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

High

Missing source maps for large first-party JavaScript

SEO Factors

489.fm SEO score

86

Search Engine Optimization Advices

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

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 489.fm 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 489.fm 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

489.fm

Open Graph description is not detected on the main page of 489. 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: