Tools & Wizards About Us
npb.jp screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    49% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

npb.jp

NPB.jp 日本野球機構

Page Load Speed

10.4 sec in total

First Response

585 ms

Resources Loaded

9.1 sec

Page Rendered

654 ms

npb.jp screenshot

About Website

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

日本野球機構（NPB）オフィシャルサイト。プロ野球12球団の試合日程・結果や予告先発、ドラフト会議をはじめ、事業・振興に関する情報を掲載。また、オールスター･ゲームや日本シリーズなど主催試合のチケット情報もご覧いただけます。

Visit npb.jp

Key Findings

We analyzed Npb.jp page load time and found that the first response time was 585 ms and then it took 9.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

npb.jp performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.0 s

0/100

25%

SI (Speed Index)

Value15.8 s

0/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.176

68/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

Network Requests Diagram

npb.jp

585 ms

npb.jp

1589 ms

gtm.js

46 ms

jquery-1.11.3.min.js

1536 ms

jquery.easing.js

687 ms

Our browser made a total of 196 requests to load all elements on the main page. We found that 32% of them (62 requests) were addressed to the original Npb.jp, 55% (107 requests) were made to P.npb.jp and 9% (17 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Npb.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 736.2 kB (16%)

Content Size

4.7 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Npb.jp main page is 4.7 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. 70% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 112.4 kB

  • Original 129.2 kB
  • After minification 96.5 kB
  • After compression 16.8 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 32.7 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 112.4 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 48.6 kB

  • Original 3.9 MB
  • After minification 3.9 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. NPB images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 131.2 kB

  • Original 205.5 kB
  • After minification 191.8 kB
  • After compression 74.3 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 131.2 kB or 64% of the original size.

CSS Optimization

-93%

Potential reduce by 443.9 kB

  • Original 479.1 kB
  • After minification 477.5 kB
  • After compression 35.2 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. Npb.jp needs all CSS files to be minified and compressed as it can save up to 443.9 kB or 93% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (12%)

Requests Now

177

After Optimization

155

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 177 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NPB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

npb.jp

npb.jp

585 ms

npb.jp

npb.jp

1589 ms

gtm.js

gtm.js

46 ms

jquery-1.11.3.min.js

jquery-1.11.3.min.js

1536 ms

jquery.easing.js

jquery.easing.js

687 ms

jquery.flicksimple.js

jquery.flicksimple.js

858 ms

common.js

common.js

788 ms

device.js

device.js

600 ms

format.css

format.css

808 ms

slick.css

slick.css

849 ms

jquery.backstretch.min.js

jquery.backstretch.min.js

976 ms

slick.min.js

slick.min.js

979 ms

top.js

top.js

997 ms

top_setting.js

top_setting.js

1020 ms

top_setting_banner.js

top_setting_banner.js

1019 ms

js

js

60 ms

css

css

30 ms

css

css

49 ms

layout.css

layout.css

198 ms

common.css

common.css

1192 ms

top.css

top.css

591 ms

css2

css2

16 ms

css2

css2

22 ms

css2

css2

25 ms

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26 ms

analytics.js

analytics.js

82 ms

flag_central_s.gif

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1227 ms

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352 ms

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353 ms

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353 ms

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352 ms

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336 ms

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352 ms

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533 ms

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508 ms

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534 ms

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507 ms

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508 ms

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535 ms

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848 ms

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676 ms

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731 ms

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731 ms

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736 ms

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1016 ms

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1187 ms

title.png

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1191 ms

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1321 ms

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1335 ms

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1344 ms

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1357 ms

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1357 ms

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1232 ms

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1239 ms

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1256 ms

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1257 ms

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1259 ms

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1379 ms

flag_pacific_s.gif

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1402 ms

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1406 ms

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1425 ms

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1428 ms

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1430 ms

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1543 ms

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1570 ms

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1575 ms

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1594 ms

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1598 ms

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1601 ms

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1707 ms

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1737 ms

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1742 ms

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1765 ms

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1835 ms

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1964 ms

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2051 ms

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1968 ms

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2098 ms

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1963 ms

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bnr_top_newball2024.jpg

2029 ms

bnr_top_yakkan_kisoku.jpg

bnr_top_yakkan_kisoku.jpg

2146 ms

bnr_top_npb_kaifuku.gif

bnr_top_npb_kaifuku.gif

2148 ms

bnr_top_stadium_column.png

bnr_top_stadium_column.png

2178 ms

bnr_top_scoring.gif

bnr_top_scoring.gif

2209 ms

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bnr_top_batmakers.png

2232 ms

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bnr_top_esports_2019.png

2274 ms

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bnr_top_yakyu-no-gakkou.png

2349 ms

cate_games.gif

cate_games.gif

1311 ms

NaPDcZTIAOhVxoMyOr9n_E7ffHjDKIw.ttf

NaPDcZTIAOhVxoMyOr9n_E7ffHjDKIw.ttf

212 ms

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212 ms

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277 ms

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295 ms

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NaPDcZTIAOhVxoMyOr9n_E7ffBzCGItzZg.ttf

293 ms

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NaPecZTIAOhVxoMyOr9n_E7fRMQ.ttf

295 ms

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295 ms

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NaPDcZTIAOhVxoMyOr9n_E7ffGjEKIw.ttf

295 ms

NaPDcZTIAOhVxoMyOr9n_E7ffAzHKIw.ttf

NaPDcZTIAOhVxoMyOr9n_E7ffAzHKIw.ttf

297 ms

collect

collect

33 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZogUE.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZogUE.ttf

26 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1xZosUZiYA.ttf

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25 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1y9ogUE.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1y9ogUE.ttf

26 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs18NvgUE.ttf

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28 ms

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28 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

TK3_WkUHHAIjg75cFRf3bXL8LICs1_FvsUZiYA.ttf

27 ms

TK3_WkUHHAIjg75cFRf3bXL8LICs169vgUE.ttf

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28 ms

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65 ms

thumb_101833.png

thumb_101833.png

1187 ms

thumb_101832.png

thumb_101832.png

1187 ms

cate_event.gif

cate_event.gif

1198 ms

cate_ticket.gif

cate_ticket.gif

1182 ms

bnr_claward_2024.png

bnr_claward_2024.png

1183 ms

logo_npb_header.png

logo_npb_header.png

1187 ms

bg_games.jpg

bg_games.jpg

1800 ms

bg_h4_interleague.gif

bg_h4_interleague.gif

1196 ms

bg_pc.jpg

bg_pc.jpg

3582 ms

bnr_top_mailmagazine.gif

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1114 ms

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1126 ms

news_b.gif

news_b.gif

1163 ms

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1158 ms

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1199 ms

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1256 ms

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1157 ms

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1137 ms

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1179 ms

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1162 ms

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1206 ms

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1272 ms

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1175 ms

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1149 ms

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1197 ms

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1167 ms

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1212 ms

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1282 ms

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1195 ms

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1161 ms

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1197 ms

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1188 ms

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1145 ms

bnr_calbee.gif

bnr_calbee.gif

1091 ms

bnr_konami_2.gif

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1102 ms

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1106 ms

bnr_nissay.gif

bnr_nissay.gif

1072 ms

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1073 ms

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bnr_smbc_3.gif

1050 ms

bnr_lawson.gif

bnr_lawson.gif

1078 ms

bnr_wbsc2.gif

bnr_wbsc2.gif

1087 ms

bnr_samurai.gif

bnr_samurai.gif

1067 ms

bnr_bfj.gif

bnr_bfj.gif

1056 ms

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bnr_jaba.gif

1064 ms

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bnr_jsba.gif

1041 ms

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1068 ms

bnr_obclub.gif

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1052 ms

bnr_halloffame.gif

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1064 ms

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1032 ms

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1056 ms

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1029 ms

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1056 ms

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1036 ms

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1053 ms

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1011 ms

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1051 ms

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1017 ms

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1114 ms

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1020 ms

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1098 ms

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bg_h4_arrow.gif

998 ms

logo_central_m.gif

logo_central_m.gif

1051 ms

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logo_pacific_m.gif

1016 ms

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bg_league_info.gif

1023 ms

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1023 ms

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1083 ms

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1053 ms

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1444 ms

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1450 ms

Accessibility Review

npb.jp accessibility score

81

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 input fields do not have accessible names

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

npb.jp best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

npb.jp SEO score

89

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

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 Npb.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 Npb.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

npb.jp

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