Tools & Wizards About Us
dartslive.jp screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

dartslive.jp

ダーツライブ 日本 | DARTSLIVE

Page Load Speed

13.4 sec in total

First Response

441 ms

Resources Loaded

12.2 sec

Page Rendered

724 ms

dartslive.jp screenshot

About Website

Visit dartslive.jp now to see the best up-to-date DARTSLIVE content for Japan and also check out these interesting facts you probably never knew about dartslive.jp

ネットワークとダーツライブカードを使ったダーツマシンDARTSLIVE(ダーツライブ)のオフィシャルサイト。ダーツライブ設置店舗(ダーツバー)検索、ダーツライブ3やイベント・キャンペーン情報、はじめてのダーツ。

Visit dartslive.jp

Key Findings

We analyzed Dartslive.jp page load time and found that the first response time was 441 ms and then it took 13 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

dartslive.jp performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value42.3 s

0/100

25%

SI (Speed Index)

Value19.7 s

0/100

10%

TBT (Total Blocking Time)

Value4,310 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.347

32/100

15%

TTI (Time to Interactive)

Value50.8 s

0/100

10%

Network Requests Diagram

dartslive.jp

441 ms

88 ms

4207 ms

style.pc.css

19 ms

style.service.css

524 ms

Our browser made a total of 166 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Dartslive.jp, 36% (59 requests) were made to Dartslive.com and 34% (57 requests) were made to Dl.cdn.dartslive.com. The less responsive or slowest element that took the longest time to load (4.2 sec) relates to the external source Dartslive.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (9%)

Content Size

16.2 MB

After Optimization

14.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dartslive.jp main page is 16.2 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. Only a small number of websites need less resources to load. Images take 14.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 182.6 kB

  • Original 217.5 kB
  • After minification 202.7 kB
  • After compression 34.9 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 182.6 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 389.5 kB

  • Original 14.5 MB
  • After minification 14.1 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. DARTSLIVE images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 340.8 kB

  • Original 886.4 kB
  • After minification 880.5 kB
  • After compression 545.6 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 340.8 kB or 38% of the original size.

CSS Optimization

-86%

Potential reduce by 491.1 kB

  • Original 571.1 kB
  • After minification 488.1 kB
  • After compression 80.0 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. Dartslive.jp needs all CSS files to be minified and compressed as it can save up to 491.1 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 54 (36%)

Requests Now

151

After Optimization

97

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 151 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DARTSLIVE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dartslive.jp

dartslive.jp

441 ms

88 ms

4207 ms

style.pc.css

style.pc.css

19 ms

style.service.css

style.service.css

524 ms

v4

v4

868 ms

css

css

47 ms

style.min.css

style.min.css

529 ms

styles.css

styles.css

518 ms

wp-ulike.min.css

wp-ulike.min.css

527 ms

jquery-2.2.4.min.js

jquery-2.2.4.min.js

27 ms

slick.min.js

slick.min.js

507 ms

main.js

main.js

902 ms

script.top.js

script.top.js

901 ms

js

js

53 ms

wp-polyfill.min.js

wp-polyfill.min.js

903 ms

index.js

index.js

901 ms

wp-ulike.min.js

wp-ulike.min.js

901 ms

wp-embed.min.js

wp-embed.min.js

1042 ms

conversion.js

conversion.js

95 ms

s_retargeting.js

s_retargeting.js

900 ms

adsbygoogle.js

adsbygoogle.js

113 ms

js.cookie.js

js.cookie.js

1407 ms

coralosu.js

coralosu.js

1402 ms

v3

v3

177 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

647 ms

gtm.js

gtm.js

128 ms

ppv_sale_jp.jpg

ppv_sale_jp.jpg

271 ms

logo.svg

logo.svg

102 ms

icon_sign_up.png

icon_sign_up.png

609 ms

ico_guide.svg

ico_guide.svg

608 ms

membership.png

membership.png

442 ms

bg_dartslive.png

bg_dartslive.png

442 ms

mv_dartslive3.png

mv_dartslive3.png

949 ms

mv_dartslive2.png

mv_dartslive2.png

1781 ms

bg_dartslivehome_pc.jpg

bg_dartslivehome_pc.jpg

783 ms

mv_dartsliveapp.jpg

mv_dartsliveapp.jpg

1116 ms

mv_dartslivecard.jpg

mv_dartslivecard.jpg

1281 ms

mv_dartslivesearch.jpg

mv_dartslivesearch.jpg

615 ms

mv_dartslivetv.jpg

mv_dartslivetv.jpg

1453 ms

mv_dartslive_200s.png

mv_dartslive_200s.png

790 ms

mv_dartslive_zero_board.png

mv_dartslive_zero_board.png

1959 ms

icon_facebook.png

icon_facebook.png

1452 ms

icon_twitter.png

icon_twitter.png

1293 ms

icon_instagram.png

icon_instagram.png

1789 ms

icon_youtube.png

icon_youtube.png

1836 ms

220728_premiumpuls_jp.jpg

220728_premiumpuls_jp.jpg

281 ms

sd_goods.jpg

sd_goods.jpg

244 ms

sd_gcu_jp.jpg

sd_gcu_jp.jpg

286 ms

0425_01.jpg

0425_01.jpg

254 ms

dartslivehome_00-1.jpg

dartslivehome_00-1.jpg

252 ms

210712_01_s.jpg

210712_01_s.jpg

253 ms

sdp_s.jpg

sdp_s.jpg

281 ms

logo_dartslive3-min.png

logo_dartslive3-min.png

287 ms

0426_01.jpg

0426_01.jpg

255 ms

0426_02.jpg

0426_02.jpg

255 ms

0426_03.jpg

0426_03.jpg

255 ms

0423_01.jpg

0423_01.jpg

277 ms

0423_02.jpg

0423_02.jpg

276 ms

kv_meister.jpg

kv_meister.jpg

278 ms

bnr_matsuri.png

bnr_matsuri.png

351 ms

bnr_queen2019_2.jpg

bnr_queen2019_2.jpg

278 ms

bnr_sd2024.jpg

bnr_sd2024.jpg

282 ms

bnr_japan.jpg

bnr_japan.jpg

282 ms

bnr_theworld.jpg

bnr_theworld.jpg

281 ms

bnr_u22-20191.jpg

bnr_u22-20191.jpg

282 ms

bnr_dlo.jpg

bnr_dlo.jpg

284 ms

bnr_dop3.jpg

bnr_dop3.jpg

284 ms

bnr_dap.jpg

bnr_dap.jpg

350 ms

dartslive_support_player.jpg

dartslive_support_player.jpg

350 ms

bnr_league.jpg

bnr_league.jpg

345 ms

bnr_gll-1.png

bnr_gll-1.png

346 ms

bnr_hive.jpg

bnr_hive.jpg

346 ms

bnr_forentrepreneur.jpg

bnr_forentrepreneur.jpg

348 ms

NotoSansCJKjp-Bold.woff

NotoSansCJKjp-Bold.woff

1371 ms

NotoSansCJKjp-Black.woff

NotoSansCJKjp-Black.woff

2369 ms

NotoSansCJKjp-Medium.woff

NotoSansCJKjp-Medium.woff

1886 ms

NotoSansCJKjp-Regular.woff

NotoSansCJKjp-Regular.woff

2196 ms

NotoSansCJKjp-DemiLight.woff

NotoSansCJKjp-DemiLight.woff

2712 ms

NotoSansCJKjp-Light.woff

NotoSansCJKjp-Light.woff

3408 ms

NotoSansCJKjp-Thin.woff

NotoSansCJKjp-Thin.woff

3194 ms

fa-regular-400.woff

fa-regular-400.woff

2060 ms

fa-light-300.woff

fa-light-300.woff

2913 ms

MwQ5bhbm2POE2V9BOw.woff

MwQ5bhbm2POE2V9BOw.woff

154 ms

fa-solid-900.woff

fa-solid-900.woff

2697 ms

news_latest_20years_jp.json

news_latest_20years_jp.json

2855 ms

dl3_bullcounter.json

dl3_bullcounter.json

2858 ms

wp-polyfill-fetch.min.js

wp-polyfill-fetch.min.js

3153 ms

wp-polyfill-dom-rect.min.js

wp-polyfill-dom-rect.min.js

2981 ms

wp-polyfill-url.min.js

wp-polyfill-url.min.js

2985 ms

js

js

83 ms

js

js

132 ms

wp-polyfill-formdata.min.js

wp-polyfill-formdata.min.js

3290 ms

wp-polyfill-element-closest.min.js

wp-polyfill-element-closest.min.js

2886 ms

wp-polyfill-object-fit.min.js

wp-polyfill-object-fit.min.js

2885 ms

sdk.js

sdk.js

479 ms

widgets.js

widgets.js

532 ms

bi.js

bi.js

1196 ms

240404_1.jpg

240404_1.jpg

452 ms

v4

v4

522 ms

v1

v1

1090 ms

v2

v2

1086 ms

news_no_image.png

news_no_image.png

179 ms

ajax-loader.gif

ajax-loader.gif

182 ms

240223_1.jpg

240223_1.jpg

1249 ms

sd_medley_jp.jpg

sd_medley_jp.jpg

1285 ms

league.png

league.png

1610 ms

home_fundarts.jpg

home_fundarts.jpg

42 ms

231201_01.jpg

231201_01.jpg

1073 ms

240228_01.jpg

240228_01.jpg

15 ms

kv.jpg

kv.jpg

18 ms

240216_01.png

240216_01.png

47 ms

puyo_kv.jpg

puyo_kv.jpg

47 ms

SD_gold.jpg

SD_gold.jpg

78 ms

sd_ticket-sale_jp.jpg

sd_ticket-sale_jp.jpg

1578 ms

240327_01.png

240327_01.png

79 ms

sd_ticket.jpg

sd_ticket.jpg

883 ms

sd_tournament_jp.jpg

sd_tournament_jp.jpg

884 ms

SD_REPEAT_LIVE15-18_jp.jpg

SD_REPEAT_LIVE15-18_jp.jpg

884 ms

240417_1.jpg

240417_1.jpg

885 ms

0209.jpg

0209.jpg

2074 ms

240411_01.jpg

240411_01.jpg

1874 ms

240402_01.jpg

240402_01.jpg

1250 ms

f53bf3df4a229969f29db0fd244190e3.jpg

f53bf3df4a229969f29db0fd244190e3.jpg

1257 ms

f87ac186bf78e445c88f066ec08f26f7.jpg

f87ac186bf78e445c88f066ec08f26f7.jpg

1955 ms

le_DLCAR_tamariver.jpg

le_DLCAR_tamariver.jpg

1977 ms

230818_01.jpg

230818_01.jpg

2013 ms

column.jpg

column.jpg

1610 ms

image-000-2.jpg

image-000-2.jpg

2294 ms

dartslivehome_03.jpg

dartslivehome_03.jpg

2480 ms

211217_02-1.jpg

211217_02-1.jpg

2654 ms

otSDKStub.js

otSDKStub.js

77 ms

slick.woff

slick.woff

751 ms

sdk.js

sdk.js

6 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

51 ms

5c91bc2d-7297-4f97-b835-d9ab6f110a38.json

5c91bc2d-7297-4f97-b835-d9ab6f110a38.json

39 ms

settings

settings

93 ms

location

location

40 ms

otBannerSdk.js

otBannerSdk.js

30 ms

en.json

en.json

33 ms

otPcPanel.json

otPcPanel.json

21 ms

otCommonStyles.css

otCommonStyles.css

55 ms

dc.js

dc.js

375 ms

analytics.js

analytics.js

32 ms

adsbygoogle.js

adsbygoogle.js

372 ms

js.cookie.js

js.cookie.js

30 ms

coralosu.js

coralosu.js

27 ms

dartslive_logo_80x50.jpg

dartslive_logo_80x50.jpg

364 ms

v1

v1

534 ms

style.sp.css

style.sp.css

88 ms

collect

collect

87 ms

collect

collect

85 ms

td.min.js

td.min.js

83 ms

inpage_linkid.js

inpage_linkid.js

65 ms

show_ads_impl.js

show_ads_impl.js

260 ms

__utm.gif

__utm.gif

28 ms

tracking_log

tracking_log

18 ms

collect

collect

13 ms

zrt_lookup.html

zrt_lookup.html

30 ms

ads

ads

405 ms

ca-pub-6448975320803192

ca-pub-6448975320803192

64 ms

AGSKWxWYkMPqs74Y2a3eeD0FgGJsom91PhO6fxEodvU6tt-DPj-HYHTC0NWPHsCMBzOGFk_TxF6vaqDgRR0fslNRonYH44og9iFmPgwKehKLz49vlKJP5sVocbKGeuiIpPqAGFNW8v3Ivg==

AGSKWxWYkMPqs74Y2a3eeD0FgGJsom91PhO6fxEodvU6tt-DPj-HYHTC0NWPHsCMBzOGFk_TxF6vaqDgRR0fslNRonYH44og9iFmPgwKehKLz49vlKJP5sVocbKGeuiIpPqAGFNW8v3Ivg==

37 ms

AGSKWxVl0OtsiMp72v_Jx8anKCxY9j6F4mK1JVdwO3_9CvFeI8hPSQCtUCUO3ocuFX-UrEb_epOWPR1dgYp2A5zIEqT2Un7M155ULr84TgMFsKnuQBrtvDFPlSnCm4YdcAsYyE71BIlIXg==

AGSKWxVl0OtsiMp72v_Jx8anKCxY9j6F4mK1JVdwO3_9CvFeI8hPSQCtUCUO3ocuFX-UrEb_epOWPR1dgYp2A5zIEqT2Un7M155ULr84TgMFsKnuQBrtvDFPlSnCm4YdcAsYyE71BIlIXg==

126 ms

wpbanners_show.php

wpbanners_show.php

25 ms

google_top_exp.js

google_top_exp.js

4 ms

AGSKWxWQde1ohJPotg7DHuqWmBMFDSQpGHamLFtuLQUk7JVkGzLL9434mS6MK2afGrHolPnuY7EF-jPgP-86pSVpUvTnsm1gLtgIgEc3xCn8Ty1mBiY0J4dxZK8-qt1iffvMO0wCr-FVdw==

AGSKWxWQde1ohJPotg7DHuqWmBMFDSQpGHamLFtuLQUk7JVkGzLL9434mS6MK2afGrHolPnuY7EF-jPgP-86pSVpUvTnsm1gLtgIgEc3xCn8Ty1mBiY0J4dxZK8-qt1iffvMO0wCr-FVdw==

70 ms

Accessibility Review

dartslive.jp accessibility score

85

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

High

<object> elements do not have alternate text

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.

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

dartslive.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

dartslive.jp SEO score

77

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dartslive.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed English language. Our system also found out that Dartslive.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

dartslive.jp

Open Graph data is detected on the main page of DARTSLIVE. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: