Tools & Wizards About Us
dublab.jp screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

dublab.jp

dublab.jp - future . roots . radio

Page Load Speed

6.2 sec in total

First Response

782 ms

Resources Loaded

4.9 sec

Page Rendered

537 ms

dublab.jp screenshot

About Website

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

dublab.jpは、これまでdublabを支持してきた日本のアーティストやDJの協力も仰いで、日本独自の視点から、音楽、アート、カルチャーを紹介する放送やイヴェントをおこなっています。dublab.jpの活動目的は、音楽を放送するラジオという公共性の高いメディアを基盤に、人々の関係性を育み、音楽やアートが社会と個人にもたらす可能性を積極的に探っていくことです。

Visit dublab.jp

Key Findings

We analyzed Dublab.jp page load time and found that the first response time was 782 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

dublab.jp performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value1,830 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value21.8 s

1/100

10%

Network Requests Diagram

dublab.jp

782 ms

style.css

348 ms

64361ef3c99d32fface5a2d730ba2aca.css

354 ms

b5fc405361e84338815167efbc0b997a.css

357 ms

thickbox.css

355 ms

Our browser made a total of 122 requests to load all elements on the main page. We found that 53% of them (65 requests) were addressed to the original Dublab.jp, 7% (9 requests) were made to Dublab.com and 7% (9 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Dublab.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 407.9 kB (22%)

Content Size

1.8 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dublab.jp main page is 1.8 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. 60% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 43.7 kB

  • Original 56.8 kB
  • After minification 54.0 kB
  • After compression 13.1 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. 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 43.7 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 15.7 kB

  • Original 1.2 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. Dublab images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 232.3 kB

  • Original 446.6 kB
  • After minification 421.1 kB
  • After compression 214.3 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 232.3 kB or 52% of the original size.

CSS Optimization

-82%

Potential reduce by 116.2 kB

  • Original 141.7 kB
  • After minification 120.0 kB
  • After compression 25.5 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. Dublab.jp needs all CSS files to be minified and compressed as it can save up to 116.2 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 68 (59%)

Requests Now

115

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dublab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dublab.jp

dublab.jp

782 ms

style.css

style.css

348 ms

64361ef3c99d32fface5a2d730ba2aca.css

64361ef3c99d32fface5a2d730ba2aca.css

354 ms

b5fc405361e84338815167efbc0b997a.css

b5fc405361e84338815167efbc0b997a.css

357 ms

thickbox.css

thickbox.css

355 ms

slickr-flickr.css

slickr-flickr.css

356 ms

styles.css

styles.css

363 ms

fancybox.css

fancybox.css

520 ms

events_manager.css

events_manager.css

527 ms

wp-cat-list-theme.css

wp-cat-list-theme.css

531 ms

wp-cat-list-light.css

wp-cat-list-light.css

532 ms

wp-cat-list-dark.css

wp-cat-list-dark.css

535 ms

wp-cat-list-giant-gold-fish.css

wp-cat-list-giant-gold-fish.css

544 ms

wp-cat-list-adrift-in-dreams.css

wp-cat-list-adrift-in-dreams.css

692 ms

jquery.min.js

jquery.min.js

28 ms

jquery.cycle.all.2.72.js

jquery.cycle.all.2.72.js

584 ms

thickbox.js

thickbox.js

701 ms

galleria-1.2.9.min.js

galleria-1.2.9.min.js

1061 ms

slickr-flickr.js

slickr-flickr.js

706 ms

jquery.fancybox.js

jquery.fancybox.js

714 ms

audio-player.js

audio-player.js

905 ms

player.js

player.js

1034 ms

hoverIntent.js

hoverIntent.js

875 ms

superfish.js

superfish.js

882 ms

supersubs.js

supersubs.js

895 ms

thematic-dropdowns.js

thematic-dropdowns.js

1051 ms

47ab02de82519c90881016617a6ea5cd.js

47ab02de82519c90881016617a6ea5cd.js

1060 ms

jquery.min.js

jquery.min.js

35 ms

jquery.cycle.all.2.72.js

jquery.cycle.all.2.72.js

1439 ms

jquery.ui.core.min.js

jquery.ui.core.min.js

918 ms

jquery.ui.widget.min.js

jquery.ui.widget.min.js

1039 ms

jquery.ui.position.min.js

jquery.ui.position.min.js

1058 ms

jquery.ui.autocomplete.min.js

jquery.ui.autocomplete.min.js

1066 ms

jquery.ui.mouse.min.js

jquery.ui.mouse.min.js

1066 ms

jquery.ui.sortable.min.js

jquery.ui.sortable.min.js

1277 ms

jquery.form.min.js

jquery.form.min.js

1381 ms

scripts.js

scripts.js

1230 ms

reset.css

reset.css

1075 ms

css

css

26 ms

images.css

images.css

1076 ms

default.css

default.css

1415 ms

plugins.css

plugins.css

1255 ms

searchforms.css

searchforms.css

1248 ms

timthumb.php

timthumb.php

595 ms

timthumb.php

timthumb.php

593 ms

2013323.png

2013323.png

205 ms

dublab.gif

dublab.gif

378 ms

listen-off.gif

listen-off.gif

202 ms

look-off.gif

look-off.gif

201 ms

learn-off.gif

learn-off.gif

205 ms

love-off.gif

love-off.gif

203 ms

search-bar-bg.gif

search-bar-bg.gif

375 ms

dubstream_hmpg.gif

dubstream_hmpg.gif

376 ms

12443306_836952506414611_998206430_o-1060x749.jpg

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1263 ms

12443306_836952506414611_998206430_o-720x508.jpg

12443306_836952506414611_998206430_o-720x508.jpg

985 ms

dj_park_night_main.jpg

dj_park_night_main.jpg

1679 ms

0316cover.jpg

0316cover.jpg

1383 ms

otmr_img1-720x486.jpg

otmr_img1-720x486.jpg

1396 ms

1-720x438.jpg

1-720x438.jpg

1590 ms

shhhhh-150x150.jpg

shhhhh-150x150.jpg

1294 ms

gokuraku_cover-150x150.jpg

gokuraku_cover-150x150.jpg

1443 ms

GORGE_YOURSELF_DAIJI.jpg

GORGE_YOURSELF_DAIJI.jpg

2356 ms

web_2000x1415-720x509.jpg

web_2000x1415-720x509.jpg

2074 ms

dublabcom.jpg

dublabcom.jpg

1961 ms

dublabde1.jpg

dublabde1.jpg

2165 ms

strip.jpg

strip.jpg

1766 ms

gowest.png

gowest.png

2401 ms

s-BiyweUPV0v-yRb-cjciBsxEYwM7FgeyaSgU71cLG0.woff

s-BiyweUPV0v-yRb-cjciBsxEYwM7FgeyaSgU71cLG0.woff

22 ms

EFpQQyG9GqCrobXxL-KRMQFhaRv2pGgT5Kf0An0s4MM.woff

EFpQQyG9GqCrobXxL-KRMQFhaRv2pGgT5Kf0An0s4MM.woff

24 ms

sprite-ta.png

sprite-ta.png

2057 ms

post-listen.gif

post-listen.gif

2073 ms

love.gif

love.gif

2185 ms

widgets.js

widgets.js

179 ms

sdk.js

sdk.js

50 ms

650 ms

dublab-footer.gif

dublab-footer.gif

2149 ms

twitter.gif

twitter.gif

216 ms

facebook.gif

facebook.gif

217 ms

flickr.gif

flickr.gif

213 ms

vimeo.png

vimeo.png

215 ms

itunes.gif

itunes.gif

261 ms

rss.gif

rss.gif

259 ms

ga.js

ga.js

35 ms

__utm.gif

__utm.gif

66 ms

127 ms

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

148 ms

xd_arbiter.php

xd_arbiter.php

33 ms

xd_arbiter.php

xd_arbiter.php

48 ms

syndication

syndication

98 ms

266916404425527297

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231 ms

proxy.jpg

proxy.jpg

157 ms

26a1.png

26a1.png

224 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

42 ms

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

timeline.47ab5d19e8ed22531abcf4f86f3ae53a.light.ltr.css

134 ms

combined.css

combined.css

29 ms

smoothDivScroll.css

smoothDivScroll.css

43 ms

stack_161235.js

stack_161235.js

128 ms

jquery.min.js

jquery.min.js

109 ms

7a9b5d93c6c8f98c5e2086a27e8dfe0e_normal.jpeg

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285 ms

92D6Dx5M_normal.jpg

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389 ms

BFvtBacx_normal.png

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384 ms

aAVl1WKB_normal.jpg

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407 ms

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423 ms

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411 ms

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412 ms

CdrKpX_UkAEHo7Z.jpg:small

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516 ms

CdrCU5qUUAAWoYb.jpg:small

CdrCU5qUUAAWoYb.jpg:small

1051 ms

analytics.js

analytics.js

58 ms

stackpile.api-6712054ce0.js

stackpile.api-6712054ce0.js

59 ms

10616497_773293222804726_245969346_n.jpg

10616497_773293222804726_245969346_n.jpg

137 ms

small_share_sprite.png

small_share_sprite.png

56 ms

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110 ms

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96 ms

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110 ms

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95 ms

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96 ms

stackpile.api-6712054ce0.js

stackpile.api-6712054ce0.js

80 ms

collect

collect

10 ms

collect

collect

63 ms

nr-885.min.js

nr-885.min.js

23 ms

a53393d12f

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58 ms

jot

jot

26 ms

Accessibility Review

dublab.jp accessibility score

77

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

<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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

dublab.jp best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

dublab.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

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 Dublab.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 Dublab.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

dublab.jp

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