Tools & Wizards About Us
boatrace.jp screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

boatrace.jp

BOAT RACE オフィシャルウェブサイト

Page Load Speed

7.7 sec in total

First Response

932 ms

Resources Loaded

6.4 sec

Page Rendered

346 ms

boatrace.jp screenshot

About Website

Click here to check amazing BOAT RACE content for Japan. Otherwise, check out these important facts you probably never knew about boatrace.jp

ボートレースのオフィシャルWEBサイトです。レース情報や払戻金の確認、様々な特設サイト、キャンペーン情報、おすすめの動画配信情報、イベント情報など豊富なコンテンツをお楽しみください。初心者の方にも楽しめるコンテンツもご用意しております。

Visit boatrace.jp

Key Findings

We analyzed Boatrace.jp page load time and found that the first response time was 932 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

boatrace.jp performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value23.6 s

0/100

25%

SI (Speed Index)

Value24.6 s

0/100

10%

TBT (Total Blocking Time)

Value2,360 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.275

44/100

15%

TTI (Time to Interactive)

Value25.5 s

0/100

10%

Network Requests Diagram

boatrace.jp

932 ms

all.css

856 ms

layout.css

525 ms

index.css

703 ms

jquery.js

1052 ms

Our browser made a total of 150 requests to load all elements on the main page. We found that 93% of them (140 requests) were addressed to the original Boatrace.jp, 1% (1 request) were made to Googleadservices.com and 1% (1 request) were made to B92.yahoo.co.jp. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Boatrace.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 581.8 kB (30%)

Content Size

1.9 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Boatrace.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. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 51.4 kB

  • Original 60.4 kB
  • After minification 49.2 kB
  • After compression 9.1 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. This page needs HTML code to be minified as it can gain 11.3 kB, which is 19% 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 51.4 kB or 85% of the original size.

Image Optimization

-15%

Potential reduce by 214.7 kB

  • Original 1.4 MB
  • After minification 1.2 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. Obviously, BOAT RACE needs image optimization as it can save up to 214.7 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 267.9 kB

  • Original 396.8 kB
  • After minification 383.5 kB
  • After compression 128.8 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 267.9 kB or 68% of the original size.

CSS Optimization

-85%

Potential reduce by 47.8 kB

  • Original 56.2 kB
  • After minification 40.4 kB
  • After compression 8.4 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. Boatrace.jp needs all CSS files to be minified and compressed as it can save up to 47.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 96 (65%)

Requests Now

147

After Optimization

51

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 147 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BOAT RACE. 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 as a result speed up the page load time.

Network Requests Diagram

boatrace.jp

boatrace.jp

932 ms

all.css

all.css

856 ms

layout.css

layout.css

525 ms

index.css

index.css

703 ms

jquery.js

jquery.js

1052 ms

common.js

common.js

356 ms

BRrecommend.js

BRrecommend.js

535 ms

urchin.js

urchin.js

678 ms

libs.js

libs.js

882 ms

all.min.js

all.min.js

202 ms

slider.js

slider.js

346 ms

jquery.mCustomScrollbar.concat.min.js

jquery.mCustomScrollbar.concat.min.js

541 ms

index.js

index.js

641 ms

conversion.js

conversion.js

27 ms

s_retargeting.js

s_retargeting.js

640 ms

pix

pix

172 ms

index.html

index.html

178 ms

__utm.gif

__utm.gif

173 ms

content_bg01.png

content_bg01.png

176 ms

header_bg01.png

header_bg01.png

173 ms

header_site_logo.png

header_site_logo.png

176 ms

header_language-menu_img01.png

header_language-menu_img01.png

347 ms

header_language-menu_img02.png

header_language-menu_img02.png

346 ms

header_language-menu_img03.png

header_language-menu_img03.png

348 ms

header_language-menu_img04.png

header_language-menu_img04.png

352 ms

px.png

px.png

351 ms

header_racer-search_btn01.png

header_racer-search_btn01.png

456 ms

header_gnavi_bg01.png

header_gnavi_bg01.png

518 ms

header_vote-login_img01.png

header_vote-login_img01.png

516 ms

header_global-nav-detail_race02_img01.png

header_global-nav-detail_race02_img01.png

517 ms

header_global-nav-detail_race02_img02.png

header_global-nav-detail_race02_img02.png

522 ms

header_global-nav-detail_race02_img03.png

header_global-nav-detail_race02_img03.png

523 ms

header_global-nav-detail_race02_img04.png

header_global-nav-detail_race02_img04.png

628 ms

header_global-nav-detail_race02_img05.png

header_global-nav-detail_race02_img05.png

686 ms

header_global-nav-detail_race02_img06.png

header_global-nav-detail_race02_img06.png

690 ms

header_global-nav-detail_race02_img07.png

header_global-nav-detail_race02_img07.png

688 ms

header_global-nav-detail_race02_img08.png

header_global-nav-detail_race02_img08.png

693 ms

header_global-nav-detail_race02_img09.png

header_global-nav-detail_race02_img09.png

694 ms

header_global-nav-detail_race02_img10.png

header_global-nav-detail_race02_img10.png

801 ms

header_global-nav-detail_data02_img01.png

header_global-nav-detail_data02_img01.png

856 ms

header_global-nav-detail_data02_img02.png

header_global-nav-detail_data02_img02.png

857 ms

header_global-nav-detail_data02_img03.png

header_global-nav-detail_data02_img03.png

858 ms

header_global-nav-detail_data02_img04.png

header_global-nav-detail_data02_img04.png

865 ms

header_global-nav-detail_data02_img05.png

header_global-nav-detail_data02_img05.png

866 ms

header_global-nav-detail_data02_img06.png

header_global-nav-detail_data02_img06.png

1039 ms

header_global-nav-detail_buy02_img01.png

header_global-nav-detail_buy02_img01.png

1028 ms

header_global-nav-detail_buy02_img02.png

header_global-nav-detail_buy02_img02.png

1035 ms

header_global-nav-detail_buy02_img03.png

header_global-nav-detail_buy02_img03.png

1037 ms

header_global-nav-detail_place02_img01.png

header_global-nav-detail_place02_img01.png

1040 ms

header_global-nav-detail_place02_img02.png

header_global-nav-detail_place02_img02.png

1008 ms

header_global-nav-detail_place02_img03.png

header_global-nav-detail_place02_img03.png

1335 ms

jquery.min.js

jquery.min.js

36 ms

yuga.js

yuga.js

1046 ms

jqueryAutoHeight.js

jqueryAutoHeight.js

1048 ms

content_frame._bg01.png

content_frame._bg01.png

1046 ms

p20160217_a.jpg

p20160217_a.jpg

1402 ms

shorihenoturn_226_140.png

shorihenoturn_226_140.png

2399 ms

43 ms

ActivityServer.bs

ActivityServer.bs

42 ms

bunkahosoradio_226_140.jpg

bunkahosoradio_226_140.jpg

1066 ms

shinbunkakushi_226_140.jpg

shinbunkakushi_226_140.jpg

1043 ms

hbc226x140.jpg

hbc226x140.jpg

1217 ms

index_news_cat_pickup.png

index_news_cat_pickup.png

1204 ms

index_news_cat_update.png

index_news_cat_update.png

1211 ms

index_news_cat_racer.png

index_news_cat_racer.png

1215 ms

36 ms

pix-gama07dentou-min.js

pix-gama07dentou-min.js

24 ms

ecotag.php

ecotag.php

688 ms

index_top-frame_button_txt01.png

index_top-frame_button_txt01.png

1267 ms

pixel

pixel

19 ms

index_top-frame_button_txt02.png

index_top-frame_button_txt02.png

1219 ms

icon_place_08.gif

icon_place_08.gif

1216 ms

icon_place_09.gif

icon_place_09.gif

1220 ms

icon_place_06.gif

icon_place_06.gif

1225 ms

index_news_cat_event.png

index_news_cat_event.png

1369 ms

icon_place_bp_06.gif

icon_place_bp_06.gif

1277 ms

icon_place_15.gif

icon_place_15.gif

1217 ms

txt_sche_7.png

txt_sche_7.png

1218 ms

index_number-now_img01.png

index_number-now_img01.png

1229 ms

index_number-now_img02.png

index_number-now_img02.png

1373 ms

index_number-now_img03.png

index_number-now_img03.png

1382 ms

index_number-now_img04.png

index_number-now_img04.png

1275 ms

index_number-now_img05.png

index_number-now_img05.png

1223 ms

index_number-now_img06.png

index_number-now_img06.png

1234 ms

index_top-frame_button_txt05.png

index_top-frame_button_txt05.png

1378 ms

content_bg02.png

content_bg02.png

1381 ms

facebook_226_140.jpg

facebook_226_140.jpg

1381 ms

20160205_cm_topics.jpg

20160205_cm_topics.jpg

1222 ms

ikikata_226_140.jpg

ikikata_226_140.jpg

1225 ms

teleboat_226_140.jpg

teleboat_226_140.jpg

1368 ms

footer_site_logo.png

footer_site_logo.png

1379 ms

top_banner.json

top_banner.json

1319 ms

top_pickup.json

top_pickup.json

1321 ms

top_topics.json

top_topics.json

1226 ms

race_main.json

race_main.json

1340 ms

header_language-menu_img01_on.png

header_language-menu_img01_on.png

1347 ms

header_language-menu_img02_on.png

header_language-menu_img02_on.png

1222 ms

header_language-menu_img03_on.png

header_language-menu_img03_on.png

1218 ms

header_language-menu_img04_on.png

header_language-menu_img04_on.png

1224 ms

header_global-nav-detail_race02_img01_on.png

header_global-nav-detail_race02_img01_on.png

1197 ms

header_global-nav-detail_race02_img02_on.png

header_global-nav-detail_race02_img02_on.png

1205 ms

header_global-nav-detail_race02_img03_on.png

header_global-nav-detail_race02_img03_on.png

1203 ms

header_global-nav-detail_race02_img04_on.png

header_global-nav-detail_race02_img04_on.png

1205 ms

header_global-nav-detail_race02_img05_on.png

header_global-nav-detail_race02_img05_on.png

1205 ms

header_global-nav-detail_race02_img06_on.png

header_global-nav-detail_race02_img06_on.png

1066 ms

header_global-nav-detail_race02_img07_on.png

header_global-nav-detail_race02_img07_on.png

1186 ms

header_global-nav-detail_race02_img08_on.png

header_global-nav-detail_race02_img08_on.png

1203 ms

header_global-nav-detail_race02_img09_on.png

header_global-nav-detail_race02_img09_on.png

1201 ms

header_global-nav-detail_race02_img10_on.png

header_global-nav-detail_race02_img10_on.png

1194 ms

header_global-nav-detail_data02_img01_on.png

header_global-nav-detail_data02_img01_on.png

1058 ms

header_global-nav-detail_data02_img02_on.png

header_global-nav-detail_data02_img02_on.png

1055 ms

header_global-nav-detail_data02_img03_on.png

header_global-nav-detail_data02_img03_on.png

1189 ms

header_global-nav-detail_data02_img04_on.png

header_global-nav-detail_data02_img04_on.png

1204 ms

header_global-nav-detail_data02_img05_on.png

header_global-nav-detail_data02_img05_on.png

1209 ms

header_global-nav-detail_data02_img06_on.png

header_global-nav-detail_data02_img06_on.png

1061 ms

header_global-nav-detail_buy02_img01_on.png

header_global-nav-detail_buy02_img01_on.png

1049 ms

header_global-nav-detail_buy02_img02_on.png

header_global-nav-detail_buy02_img02_on.png

1058 ms

header_global-nav-detail_buy02_img03_on.png

header_global-nav-detail_buy02_img03_on.png

1186 ms

header_global-nav-detail_place02_img01_on.png

header_global-nav-detail_place02_img01_on.png

1190 ms

header_global-nav-detail_place02_img02_on.png

header_global-nav-detail_place02_img02_on.png

1059 ms

header_global-nav-detail_place02_img03_on.png

header_global-nav-detail_place02_img03_on.png

1052 ms

index_top-frame_button_txt03.png

index_top-frame_button_txt03.png

1048 ms

index_top-frame_button_txt04.png

index_top-frame_button_txt04.png

1055 ms

index_top-frame_button_img01.png

index_top-frame_button_img01.png

1174 ms

index_top-frame_button_img02_off.png

index_top-frame_button_img02_off.png

1031 ms

index_race-schedule_nighter_img01.png

index_race-schedule_nighter_img01.png

1043 ms

index_race-schedule_grade_img_g3.png

index_race-schedule_grade_img_g3.png

1044 ms

index_race-schedule_morning_img01.png

index_race-schedule_morning_img01.png

1046 ms

index_race-schedule_venus_img01.png

index_race-schedule_venus_img01.png

1041 ms

index_race-schedule_grade_img_g1.png

index_race-schedule_grade_img_g1.png

1038 ms

index_slider_bg01.png

index_slider_bg01.png

1032 ms

20160104_470_248.jpg

20160104_470_248.jpg

2246 ms

pc_470x248.jpg

pc_470x248.jpg

1219 ms

teleboat_470x248_4_2.jpg

teleboat_470x248_4_2.jpg

1398 ms

rokuon_470_248.jpg

rokuon_470_248.jpg

2128 ms

rtg_bana470_248.jpg

rtg_bana470_248.jpg

1907 ms

eventnavi_226_140bana.jpg

eventnavi_226_140bana.jpg

1037 ms

antena_226_140.jpg

antena_226_140.jpg

1213 ms

guide_226_140.jpg

guide_226_140.jpg

1224 ms

mail_226_140.jpg

mail_226_140.jpg

1374 ms

kankei_226_140.jpg

kankei_226_140.jpg

1379 ms

hansen_226_140.jpg

hansen_226_140.jpg

1263 ms

index_race-schedule_grade_img_sg.png

index_race-schedule_grade_img_sg.png

1388 ms

icon_place_04.gif

icon_place_04.gif

1402 ms

icon_place_21.gif

icon_place_21.gif

1413 ms

icon_place_02.gif

icon_place_02.gif

1549 ms

index_race-schedule_grade_img_g2.png

index_race-schedule_grade_img_g2.png

1553 ms

icon_place_18.gif

icon_place_18.gif

1431 ms

icon_place_03.gif

icon_place_03.gif

1559 ms

icon_place_23.gif

icon_place_23.gif

1557 ms

Accessibility Review

boatrace.jp accessibility score

78

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

High

Links do not have a discernible name

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

boatrace.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

Page has valid source maps

SEO Factors

boatrace.jp SEO score

97

Search Engine Optimization Advices

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

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 Boatrace.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 Boatrace.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

boatrace.jp

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