Tools & Wizards About Us
karent.jp screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

karent.jp

KARENT（カレント）：世界最大規模のボカロ楽曲レーベル

Page Load Speed

7.6 sec in total

First Response

420 ms

Resources Loaded

6 sec

Page Rendered

1.2 sec

karent.jp screenshot

About Website

Click here to check amazing KARENT content for Russia. Otherwise, check out these important facts you probably never knew about karent.jp

KARENTはボーカロイド楽曲を専門に取り扱っているクリプトン・フューチャー・メディア運営のレーベルで、iTunesStoreやAmazon music、Spotifyをはじめとする配信ストアで、音楽ダウンロード販売やストリーミング配信を行っています。KARENTでお気に入りの楽曲を見つけましょう！

Visit karent.jp

Key Findings

We analyzed Karent.jp page load time and found that the first response time was 420 ms and then it took 7.1 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

karent.jp performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value35.6 s

0/100

25%

SI (Speed Index)

Value19.4 s

0/100

10%

TBT (Total Blocking Time)

Value3,170 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value34.4 s

0/100

10%

Network Requests Diagram

karent.jp

420 ms

karent.jp

1494 ms

style.css

925 ms

css

38 ms

lity.css

45 ms

Our browser made a total of 118 requests to load all elements on the main page. We found that 47% of them (55 requests) were addressed to the original Karent.jp, 20% (24 requests) were made to Cdn.karent.jp and 5% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Karent.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 473.7 kB (15%)

Content Size

3.1 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Karent.jp main page is 3.1 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 82.9 kB

  • Original 100.8 kB
  • After minification 98.4 kB
  • After compression 17.8 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. 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 82.9 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 155.0 kB

  • Original 2.4 MB
  • After minification 2.3 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. KARENT images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 79.1 kB

  • Original 284.7 kB
  • After minification 283.4 kB
  • After compression 205.6 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 79.1 kB or 28% of the original size.

CSS Optimization

-67%

Potential reduce by 156.7 kB

  • Original 234.9 kB
  • After minification 201.8 kB
  • After compression 78.2 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. Karent.jp needs all CSS files to be minified and compressed as it can save up to 156.7 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (28%)

Requests Now

113

After Optimization

81

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KARENT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

karent.jp

karent.jp

420 ms

karent.jp

karent.jp

1494 ms

style.css

style.css

925 ms

css

css

38 ms

lity.css

lity.css

45 ms

playerProgressbar.css

playerProgressbar.css

722 ms

swiper.min.css

swiper.min.css

730 ms

jquery-2.2.4.js

jquery-2.2.4.js

30 ms

lity.js

lity.js

56 ms

function.js

function.js

616 ms

karent.js

karent.js

616 ms

swiper.min.js

swiper.min.js

1099 ms

developers.line.biz

developers.line.biz

844 ms

sdk.js

sdk.js

23 ms

gtm.js

gtm.js

60 ms

sdk.js

sdk.js

11 ms

68 ms

js

js

64 ms

analytics.js

analytics.js

20 ms

collect

collect

111 ms

4094_20240326110909_0280_0280.jpg

4094_20240326110909_0280_0280.jpg

132 ms

icon_search.svg

icon_search.svg

245 ms

menu_lang.svg

menu_lang.svg

212 ms

logo.png

logo.png

239 ms

about_en.png

about_en.png

217 ms

top.jpg

top.jpg

1766 ms

popup_en.png

popup_en.png

239 ms

menu_topics.svg

menu_topics.svg

429 ms

1294.jpg

1294.jpg

958 ms

1293.jpg

1293.jpg

1098 ms

1292.jpg

1292.jpg

1099 ms

1291.jpg

1291.jpg

1407 ms

1290.jpg

1290.jpg

1098 ms

1289.jpg

1289.jpg

1414 ms

menu_album.svg

menu_album.svg

1411 ms

menu_genre.svg

menu_genre.svg

1413 ms

menu_special.svg

menu_special.svg

1414 ms

piapro_logo.png

piapro_logo.png

1632 ms

1340196_20240310000121_prof_image_detail_file_0280_0280.jpg

1340196_20240310000121_prof_image_detail_file_0280_0280.jpg

130 ms

4141_20240416143545_0280_0280.jpg

4141_20240416143545_0280_0280.jpg

134 ms

676252_20141106153522_prof_image_detail_file_0280_0280.jpg

676252_20141106153522_prof_image_detail_file_0280_0280.jpg

175 ms

4156_20240424104025_0280_0280.jpg

4156_20240424104025_0280_0280.jpg

177 ms

1600484_20240430100322_prof_image_detail_file_0280_0280.jpg

1600484_20240430100322_prof_image_detail_file_0280_0280.jpg

178 ms

4133_20240415084012_0280_0280.jpg

4133_20240415084012_0280_0280.jpg

178 ms

713355_20191227100026_prof_image_detail_file_0280_0280.jpg

713355_20191227100026_prof_image_detail_file_0280_0280.jpg

179 ms

4134_20240415105819_0280_0280.jpg

4134_20240415105819_0280_0280.jpg

177 ms

120268_20210621123626_prof_image_detail_file_0280_0280.jpg

120268_20210621123626_prof_image_detail_file_0280_0280.jpg

213 ms

4137_20240415210736_0280_0280.jpg

4137_20240415210736_0280_0280.jpg

214 ms

1157569_20220113211848_prof_image_detail_file_0280_0280.jpg

1157569_20220113211848_prof_image_detail_file_0280_0280.jpg

215 ms

4094_20240326110909_0090_0090.jpg

4094_20240326110909_0090_0090.jpg

210 ms

1340196_20240310000121_prof_image_list_file_0090_0090.jpg

1340196_20240310000121_prof_image_list_file_0090_0090.jpg

211 ms

4141_20240416143545_0090_0090.jpg

4141_20240416143545_0090_0090.jpg

210 ms

676252_20141106153522_prof_image_list_file_0090_0090.jpg

676252_20141106153522_prof_image_list_file_0090_0090.jpg

236 ms

4156_20240424104025_0090_0090.jpg

4156_20240424104025_0090_0090.jpg

235 ms

1600484_20240430100322_prof_image_list_file_0090_0090.jpg

1600484_20240430100322_prof_image_list_file_0090_0090.jpg

232 ms

4133_20240415084012_0090_0090.jpg

4133_20240415084012_0090_0090.jpg

232 ms

713355_20191227100026_prof_image_list_file_0090_0090.jpg

713355_20191227100026_prof_image_list_file_0090_0090.jpg

235 ms

4134_20240415105819_0090_0090.jpg

4134_20240415105819_0090_0090.jpg

233 ms

120268_20210621123626_prof_image_list_file_0090_0090.jpg

120268_20210621123626_prof_image_list_file_0090_0090.jpg

257 ms

4137_20240415210736_0090_0090.jpg

4137_20240415210736_0090_0090.jpg

236 ms

1157569_20220113211848_prof_image_list_file_0090_0090.jpg

1157569_20220113211848_prof_image_list_file_0090_0090.jpg

237 ms

collect

collect

140 ms

bnr_itunes.png

bnr_itunes.png

1372 ms

bnr_amazon_music.png

bnr_amazon_music.png

1535 ms

bnr_music_unlimited.png

bnr_music_unlimited.png

1373 ms

bnr_apple_music.png

bnr_apple_music.png

1535 ms

bnr_awa.png

bnr_awa.png

1667 ms

bnr_acrcloud.png

bnr_acrcloud.png

1667 ms

bnr_ototoy.png

bnr_ototoy.png

1668 ms

bnr_oricon.png

bnr_oricon.png

1669 ms

bnr_kkbox.png

bnr_kkbox.png

1669 ms

bnr_shazam.png

bnr_shazam.png

1733 ms

bnr_jiosaavn.png

bnr_jiosaavn.png

1737 ms

bnr_spotify.png

bnr_spotify.png

1770 ms

bnr_tiktok.png

bnr_tiktok.png

1815 ms

bnr_chakuuta.png

bnr_chakuuta.png

1815 ms

bnr_deezer.png

bnr_deezer.png

1886 ms

bnr_kuwo.png

bnr_kuwo.png

1913 ms

bnr_kugou.png

bnr_kugou.png

1919 ms

bnr_qqmusic.png

bnr_qqmusic.png

1974 ms

bnr_netease.png

bnr_netease.png

2012 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwlxdr.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vwlxdr.ttf

75 ms

uIrv1982Mqg

uIrv1982Mqg

214 ms

OtA0YOtORa8

OtA0YOtORa8

837 ms

widgets.js

widgets.js

136 ms

like.php

like.php

116 ms

bnr_pandora.png

bnr_pandora.png

1906 ms

bnr_mysoud.png

bnr_mysoud.png

2000 ms

ga-audiences

ga-audiences

719 ms

bnr_musicjp.png

bnr_musicjp.png

1953 ms

bnr_mora.png

bnr_mora.png

1960 ms

bnr_youtube.png

bnr_youtube.png

2034 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

57 ms

TttXWwYVW0v.js

TttXWwYVW0v.js

32 ms

FEppCFCt76d.png

FEppCFCt76d.png

17 ms

www-player.css

www-player.css

29 ms

www-embed-player.js

www-embed-player.js

60 ms

base.js

base.js

100 ms

settings

settings

687 ms

ad_status.js

ad_status.js

771 ms

bnr_line_music.png

bnr_line_music.png

1673 ms

4FCBsbVWt5jZVKm36Bs_QtpgBkunTUSSklJnPgMburg.js

4FCBsbVWt5jZVKm36Bs_QtpgBkunTUSSklJnPgMburg.js

318 ms

embed.js

embed.js

248 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

450 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

460 ms

bnr_tiktok_music.png

bnr_tiktok_music.png

1368 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

347 ms

bnr_mikumoba.png

bnr_mikumoba.png

1274 ms

bg.jpg

bg.jpg

2013 ms

bg.jpg

bg.jpg

1737 ms

icon_up.svg

icon_up.svg

1076 ms

id

id

42 ms

Create

Create

57 ms

Create

Create

200 ms

embeds

embeds

168 ms

tweet_button.2f70fb173b9000da126c79afe2098f02.en.html

tweet_button.2f70fb173b9000da126c79afe2098f02.en.html

176 ms

GenerateIT

GenerateIT

24 ms

GenerateIT

GenerateIT

21 ms

Accessibility Review

karent.jp accessibility score

69

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

karent.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

karent.jp SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EN

  • Encoding

    UTF-8

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

karent.jp

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