Tools & Wizards About Us
sp.jra.jp screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

sp.jra.jp

JRA日本中央競馬会（スマートフォン版）

Page Load Speed

4.2 sec in total

First Response

535 ms

Resources Loaded

3.3 sec

Page Rendered

321 ms

sp.jra.jp screenshot

About Website

Welcome to sp.jra.jp homepage info - get ready to check Sp Jra best content for Japan right away, or after learning these important things about sp.jra.jp

JRA日本中央競馬会のスマートフォン版公式ホームページです。出馬表、オッズ、払戻金、レース結果などの確認やインターネット投票が行え、また、全国の競馬場、ウインズのイベント情報など中央競馬に関することを掲載しています。

Visit sp.jra.jp

Key Findings

We analyzed Sp.jra.jp page load time and found that the first response time was 535 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sp.jra.jp performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.7 s

0/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.342

33/100

15%

TTI (Time to Interactive)

Value5.1 s

75/100

10%

Network Requests Diagram

sp.jra.jp

535 ms

reset.css

301 ms

top.css

312 ms

css2.css

466 ms

news.css

329 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that all of those requests were addressed to Sp.jra.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Sp.jra.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 181.5 kB (27%)

Content Size

684.8 kB

After Optimization

503.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sp.jra.jp main page is 684.8 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. 30% of websites need less resources to load. Images take 496.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 20.3 kB

  • Original 25.0 kB
  • After minification 22.6 kB
  • After compression 4.7 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. 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 20.3 kB or 81% of the original size.

Image Optimization

-8%

Potential reduce by 42.2 kB

  • Original 496.6 kB
  • After minification 454.4 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. Sp Jra images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 86.6 kB

  • Original 126.3 kB
  • After minification 111.3 kB
  • After compression 39.7 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 86.6 kB or 69% of the original size.

CSS Optimization

-88%

Potential reduce by 32.4 kB

  • Original 36.9 kB
  • After minification 30.5 kB
  • After compression 4.5 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. Sp.jra.jp needs all CSS files to be minified and compressed as it can save up to 32.4 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (16%)

Requests Now

67

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sp Jra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sp.jra.jp

sp.jra.jp

535 ms

reset.css

reset.css

301 ms

top.css

top.css

312 ms

css2.css

css2.css

466 ms

news.css

news.css

329 ms

common2.js

common2.js

361 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

939 ms

jquery.imagesLoaded.js

jquery.imagesLoaded.js

450 ms

jquerypp.custom.js

jquerypp.custom.js

468 ms

jquery.cookie.js

jquery.cookie.js

490 ms

slider.js

slider.js

540 ms

slider.xml.js

slider.xml.js

601 ms

expander.js

expander.js

618 ms

index.js

index.js

620 ms

slider.xml

slider.xml

154 ms

head_line.png

head_line.png

166 ms

head_jra_bg.png

head_jra_bg.png

182 ms

head_ira_bg_left.png

head_ira_bg_left.png

156 ms

rogo.png

rogo.png

182 ms

main_manu.png

main_manu.png

157 ms

01.png

01.png

256 ms

02.png

02.png

310 ms

03.png

03.png

312 ms

04.png

04.png

328 ms

05.png

05.png

360 ms

close.png

close.png

361 ms

main_view_left.png

main_view_left.png

408 ms

main_view_right.png

main_view_right.png

463 ms

02.png

02.png

465 ms

10.png

10.png

491 ms

race_menu.png

race_menu.png

539 ms

03.png

03.png

720 ms

09.png

09.png

558 ms

icon_k.png

icon_k.png

616 ms

03.png

03.png

618 ms

datafile.png

datafile.png

653 ms

pc_icon.png

pc_icon.png

718 ms

11.png

11.png

709 ms

vote.png

vote.png

770 ms

04.png

04.png

773 ms

race_wins.png

race_wins.png

815 ms

05.png

05.png

1012 ms

race.png

race.png

898 ms

wins.png

wins.png

899 ms

down.png

down.png

924 ms

j-place.png

j-place.png

925 ms

thisweek.png

thisweek.png

1141 ms

calendar.png

calendar.png

1078 ms

01.png

01.png

1078 ms

jra_news_bg.png

jra_news_bg.png

1080 ms

jra_news.png

jra_news.png

971 ms

jra_news_left.png

jra_news_left.png

1016 ms

news_ann.png

news_ann.png

1109 ms

announce.png

announce.png

1103 ms

icon_turfy-land.png

icon_turfy-land.png

1060 ms

icon_youtube.png

icon_youtube.png

1060 ms

icon_facebook.png

icon_facebook.png

1057 ms

icon_mail-news.png

icon_mail-news.png

1013 ms

icon_beginner.png

icon_beginner.png

1084 ms

footer_back.png

footer_back.png

1069 ms

close.png

close.png

1086 ms

up.png

up.png

1086 ms

2016d_spring-umaren.jpg

2016d_spring-umaren.jpg

1394 ms

2016spring-umaren.jpg

2016spring-umaren.jpg

1466 ms

2016sokuwelcome.jpg

2016sokuwelcome.jpg

1392 ms

umabi.png

umabi.png

1368 ms

off.png

off.png

1086 ms

on.png

on.png

1066 ms

Accessibility Review

sp.jra.jp accessibility score

100

Accessibility Issues

Best Practices

sp.jra.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

sp.jra.jp SEO score

90

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

Links do not have descriptive text

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

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sp.jra.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 Sp.jra.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

sp.jra.jp

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