Tools & Wizards About Us
dapper.jp screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    85% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

dapper.jp

サクソフォン・アンサンブル大好き！ダッパーサクセーバーズな毎日

Page Load Speed

24.3 sec in total

First Response

2.3 sec

Resources Loaded

15.8 sec

Page Rendered

6.2 sec

dapper.jp screenshot

About Website

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

～ サクソフォンアンサンブル大好き！なダッパーサクセーバーズのにぎやかな毎日 ～

Visit dapper.jp

Key Findings

We analyzed Dapper.jp page load time and found that the first response time was 2.3 sec and then it took 22 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

dapper.jp performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value220 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

dapper.jp

2272 ms

style.css

929 ms

snowbord_right.css

456 ms

script.php

980 ms

ticker.css

463 ms

Our browser made a total of 171 requests to load all elements on the main page. We found that 6% of them (11 requests) were addressed to the original Dapper.jp, 26% (44 requests) were made to Maps.googleapis.com and 20% (35 requests) were made to Img01.ashita-sanuki.jp. The less responsive or slowest element that took the longest time to load (11.5 sec) relates to the external source Img01.ashita-sanuki.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 909.7 kB (30%)

Content Size

3.0 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dapper.jp main page is 3.0 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 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 75.1 kB

  • Original 98.7 kB
  • After minification 90.1 kB
  • After compression 23.5 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 75.1 kB or 76% of the original size.

Image Optimization

-20%

Potential reduce by 416.6 kB

  • Original 2.1 MB
  • After minification 1.7 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. Obviously, Dapper needs image optimization as it can save up to 416.6 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-54%

Potential reduce by 398.5 kB

  • Original 734.9 kB
  • After minification 732.7 kB
  • After compression 336.5 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 398.5 kB or 54% of the original size.

CSS Optimization

-81%

Potential reduce by 19.5 kB

  • Original 24.2 kB
  • After minification 18.3 kB
  • After compression 4.6 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. Dapper.jp needs all CSS files to be minified and compressed as it can save up to 19.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 56 (35%)

Requests Now

158

After Optimization

102

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 158 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dapper. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dapper.jp

dapper.jp

2272 ms

style.css

style.css

929 ms

snowbord_right.css

snowbord_right.css

456 ms

script.php

script.php

980 ms

ticker.css

ticker.css

463 ms

clog_ad.js

clog_ad.js

1598 ms

adsbygoogle.js

adsbygoogle.js

21 ms

greybox.js

greybox.js

651 ms

gb_styles.css

gb_styles.css

458 ms

gets.php

gets.php

880 ms

counter.php

counter.php

455 ms

analytics.js

analytics.js

22 ms

ticker_logo.gif

ticker_logo.gif

448 ms

20160310-01.jpg

20160310-01.jpg

2087 ms

20160228-03.jpg

20160228-03.jpg

2090 ms

20160228-01.jpg

20160228-01.jpg

2088 ms

20160228-02.jpg

20160228-02.jpg

2083 ms

%E5%BE%8C%E5%8D%8A120503.jpg

%E5%BE%8C%E5%8D%8A120503.jpg

2087 ms

150606-23.jpg

150606-23.jpg

2282 ms

20160227-01.jpg

20160227-01.jpg

4840 ms

150330%E9%BB%92%E7%94%B0%E3%81%95%E3%82%93%E6%BC%94%E5%A5%8F.jpg

150330%E9%BB%92%E7%94%B0%E3%81%95%E3%82%93%E6%BC%94%E5%A5%8F.jpg

5002 ms

20160214-06.jpg

20160214-06.jpg

4767 ms

20160214-07.jpg

20160214-07.jpg

4799 ms

20160214-05.jpg

20160214-05.jpg

5076 ms

20160214-04.jpg

20160214-04.jpg

5143 ms

20160214-03.jpg

20160214-03.jpg

8176 ms

20160214-02.jpg

20160214-02.jpg

7146 ms

ph_sado.jpg

ph_sado.jpg

6908 ms

nanaco.jpg

nanaco.jpg

8054 ms

cienawind.jpg

cienawind.jpg

7739 ms

20160131-3.jpg

20160131-3.jpg

8890 ms

20160131-1.jpg

20160131-1.jpg

8834 ms

blog_qr.png

blog_qr.png

8065 ms

ico_t18.gif

ico_t18.gif

442 ms

ico_area_green.gif

ico_area_green.gif

453 ms

banner_ad2.gif

banner_ad2.gif

467 ms

gakkenk_140.jpg

gakkenk_140.jpg

1150 ms

manabicafe140b.gif

manabicafe140b.gif

745 ms

nbnr140_140.gif

nbnr140_140.gif

991 ms

konnavi_side2.gif

konnavi_side2.gif

1137 ms

message.gif

message.gif

232 ms

arrow_right.png

arrow_right.png

741 ms

collect

collect

15 ms

cse.js

cse.js

19 ms

cse.js

cse.js

110 ms

jsapi

jsapi

50 ms

default+ja.css

default+ja.css

9 ms

default.css

default.css

25 ms

default+ja.I.js

default+ja.I.js

27 ms

default.css

default.css

95 ms

blog.gif

blog.gif

8087 ms

information.gif

information.gif

8421 ms

profile.gif

profile.gif

8420 ms

history.gif

history.gif

8570 ms

music.gif

music.gif

8975 ms

BBS.gif

BBS.gif

9011 ms

link.gif

link.gif

9015 ms

all_bg.jpg

all_bg.jpg

311 ms

ca-pub-0781330770299219.js

ca-pub-0781330770299219.js

283 ms

zrt_lookup.html

zrt_lookup.html

358 ms

show_ads_impl.js

show_ads_impl.js

176 ms

style.css

style.css

11548 ms

like.php

like.php

1170 ms

ads

ads

1102 ms

osd.js

osd.js

110 ms

all_bg.jpg

all_bg.jpg

9355 ms

like.php

like.php

1202 ms

ads

ads

999 ms

like.php

like.php

993 ms

ads

ads

1113 ms

ads

ads

1040 ms

map_134.05051410198223_34.34605813968412_400_350_17

map_134.05051410198223_34.34605813968412_400_350_17

1334 ms

map_134.05072063207638_34.345911979089216_400_350_19

map_134.05072063207638_34.345911979089216_400_350_19

1332 ms

map_134.54977050000002_34.0654504_400_350_15

map_134.54977050000002_34.0654504_400_350_15

1278 ms

calenderhead.jpg

calenderhead.jpg

1156 ms

gakufu.gif

gakufu.gif

1147 ms

main_bar.jpg

main_bar.jpg

8527 ms

4666998978490061301

4666998978490061301

354 ms

abg.js

abg.js

353 ms

m_js_controller.js

m_js_controller.js

481 ms

googlelogo_color_112x36dp.png

googlelogo_color_112x36dp.png

610 ms

saxtop.jpg

saxtop.jpg

9669 ms

fy8tT2klpgR.js

fy8tT2klpgR.js

767 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

759 ms

like.php

like.php

280 ms

like.php

like.php

277 ms

like.php

like.php

276 ms

like.php

like.php

364 ms

like.php

like.php

378 ms

like.php

like.php

375 ms

like.php

like.php

728 ms

2014081231385.gif

2014081231385.gif

363 ms

16759041349014281086

16759041349014281086

295 ms

14039962061807322182

14039962061807322182

302 ms

s

s

225 ms

x_button_blue2.png

x_button_blue2.png

217 ms

redir.html

redir.html

301 ms

jsapi

jsapi

59 ms

js

js

157 ms

gakufu.gif

gakufu.gif

7986 ms

calenderhead.jpg

calenderhead.jpg

8430 ms

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

fBnyGA8Aionz5086-mElmoOSPUuyQ1M9Un647_EjucU.js

36 ms

jquery.min.js

jquery.min.js

105 ms

iframe.html

iframe.html

69 ms

common.js

common.js

24 ms

map.js

map.js

22 ms

util.js

util.js

105 ms

marker.js

marker.js

101 ms

StaticMapService.GetMapImage

StaticMapService.GetMapImage

278 ms

onion.js

onion.js

32 ms

openhand_8_8.cur

openhand_8_8.cur

155 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

141 ms

stats.js

stats.js

123 ms

controls.js

controls.js

117 ms

footer.jpg

footer.jpg

255 ms

async-ads.js

async-ads.js

128 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

120 ms

small-logo.png

small-logo.png

146 ms

clear.gif

clear.gif

146 ms

StaticMapService.GetMapImage

StaticMapService.GetMapImage

209 ms

footer.jpg

footer.jpg

8087 ms

transparent.png

transparent.png

75 ms

css

css

54 ms

StaticMapService.GetMapImage

StaticMapService.GetMapImage

440 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

120 ms

google4.png

google4.png

63 ms

mapcnt6.png

mapcnt6.png

80 ms

ViewportInfoService.GetViewportInfo

ViewportInfoService.GetViewportInfo

108 ms

vt

vt

92 ms

vt

vt

98 ms

vt

vt

162 ms

vt

vt

160 ms

vt

vt

161 ms

vt

vt

188 ms

vt

vt

150 ms

tmapctrl.png

tmapctrl.png

37 ms

2UX7WLTfW3W8TclTUvlFyQ.woff

2UX7WLTfW3W8TclTUvlFyQ.woff

103 ms

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

124 ms

Hgo13k-tfSpn0qi1SFdUfT8E0i7KZn-EPnyo3HZu7kw.woff

Hgo13k-tfSpn0qi1SFdUfT8E0i7KZn-EPnyo3HZu7kw.woff

132 ms

d-6IYplOFocCacKzxwXSOD8E0i7KZn-EPnyo3HZu7kw.woff

d-6IYplOFocCacKzxwXSOD8E0i7KZn-EPnyo3HZu7kw.woff

137 ms

tmapctrl4.png

tmapctrl4.png

95 ms

imgs8.png

imgs8.png

119 ms

spotlight-poi.png

spotlight-poi.png

119 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

222 ms

vt

vt

114 ms

vt

vt

83 ms

vt

vt

79 ms

vt

vt

84 ms

vt

vt

115 ms

vt

vt

139 ms

vt

vt

130 ms

vt

vt

141 ms

vt

vt

122 ms

vt

vt

129 ms

vt

vt

179 ms

vt

vt

138 ms

vt

vt

158 ms

vt

vt

176 ms

vt

vt

191 ms

vt

vt

216 ms

vt

vt

203 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

107 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

15 ms

QuotaService.RecordEvent

QuotaService.RecordEvent

14 ms

QuotaService.RecordEvent

QuotaService.RecordEvent

14 ms

QuotaService.RecordEvent

QuotaService.RecordEvent

20 ms

w_close.gif

w_close.gif

436 ms

header_bg.gif

header_bg.gif

463 ms

g_close.gif

g_close.gif

465 ms

indicator.gif

indicator.gif

702 ms

ui

ui

20 ms

Accessibility Review

dapper.jp accessibility score

61

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

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

dapper.jp best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dapper.jp SEO score

86

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

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 Dapper.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 Dapper.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

dapper.jp

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