Tools & Wizards About Us
sneakerbunko.jp screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

sneakerbunko.jp

角川スニーカー文庫 | KADOKAWA

Page Load Speed

8.5 sec in total

First Response

852 ms

Resources Loaded

7.4 sec

Page Rendered

264 ms

sneakerbunko.jp screenshot

About Website

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

スニーカー文庫（毎月1日発売）の新刊ラインナップ、試し読み、人気シリーズの特設サイトなどラインナップをまとめてご紹介。

Visit sneakerbunko.jp

Key Findings

We analyzed Sneakerbunko.jp page load time and found that the first response time was 852 ms and then it took 7.6 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

sneakerbunko.jp performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value19.4 s

0/100

10%

TBT (Total Blocking Time)

Value1,280 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value22.7 s

1/100

10%

Network Requests Diagram

sneakerbunko.jp

852 ms

import.css

294 ms

extention.css

310 ms

jquery.min.js

44 ms

script.js

313 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 93% of them (64 requests) were addressed to the original Sneakerbunko.jp, 3% (2 requests) were made to Ajax.googleapis.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Sneakerbunko.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 77.3 kB (5%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sneakerbunko.jp main page is 1.6 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. 25% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 31.6 kB

  • Original 39.9 kB
  • After minification 35.9 kB
  • After compression 8.3 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 31.6 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 8.4 kB

  • Original 1.5 MB
  • After minification 1.5 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. Sneakerbunko images are well optimized though.

JavaScript Optimization

-41%

Potential reduce by 15.0 kB

  • Original 36.2 kB
  • After minification 35.6 kB
  • After compression 21.2 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 15.0 kB or 41% of the original size.

CSS Optimization

-83%

Potential reduce by 22.2 kB

  • Original 26.9 kB
  • After minification 13.4 kB
  • After compression 4.7 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. Sneakerbunko.jp needs all CSS files to be minified and compressed as it can save up to 22.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (48%)

Requests Now

67

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sneakerbunko. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sneakerbunko.jp

sneakerbunko.jp

852 ms

import.css

import.css

294 ms

extention.css

extention.css

310 ms

jquery.min.js

jquery.min.js

44 ms

script.js

script.js

313 ms

style.css

style.css

344 ms

jquery.min.js

jquery.min.js

63 ms

smartRollover.js

smartRollover.js

345 ms

nivo-slider.css

nivo-slider.css

525 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

755 ms

reset.css

reset.css

333 ms

default.css

default.css

363 ms

aside.css

aside.css

411 ms

footerlink.css

footerlink.css

398 ms

microformats.css

microformats.css

593 ms

update.css

update.css

642 ms

sneaker200_60.jpg

sneaker200_60.jpg

620 ms

favicon.ico)

favicon.ico)

171 ms

bg.gif

bg.gif

180 ms

top_header.jpg

top_header.jpg

764 ms

nav.gif

nav.gif

312 ms

cl.gif

cl.gif

358 ms

top_slide_banner_4oku-loto.jpg

top_slide_banner_4oku-loto.jpg

1250 ms

top_slide_banner_tenku4.jpg

top_slide_banner_tenku4.jpg

1265 ms

top_slide_banner_NW4.jpg

top_slide_banner_NW4.jpg

1371 ms

top_slide_banner_tensei2.jpg

top_slide_banner_tensei2.jpg

1578 ms

top_slide_banner_konosuba.jpg

top_slide_banner_konosuba.jpg

1607 ms

top_bn_konosuba_kamen.jpg

top_bn_konosuba_kamen.jpg

1639 ms

top_bn_masouHH.jpg

top_bn_masouHH.jpg

2124 ms

top_bn_niconama.jpg

top_bn_niconama.jpg

2350 ms

top_search_title.gif

top_search_title.gif

1728 ms

btn_search_top.gif

btn_search_top.gif

1939 ms

btn_details_search.gif

btn_details_search.gif

1911 ms

title-thismonth.gif

title-thismonth.gif

2002 ms

321507000291.jpg

321507000291.jpg

2458 ms

ic_new.gif

ic_new.gif

2272 ms

321512000600.jpg

321512000600.jpg

2796 ms

321508000286.jpg

321508000286.jpg

2904 ms

321509000299.jpg

321509000299.jpg

2740 ms

321509000300.jpg

321509000300.jpg

2858 ms

321512000599.jpg

321512000599.jpg

3205 ms

321512000604.jpg

321512000604.jpg

3359 ms

title-nextmonth.gif

title-nextmonth.gif

3134 ms

aside_search_title.gif

aside_search_title.gif

3138 ms

aside_btn_search-a.gif

aside_btn_search-a.gif

3200 ms

aside_btn_search-b.gif

aside_btn_search-b.gif

3214 ms

aside_record_title.gif

aside_record_title.gif

3426 ms

aside_pickup_title.gif

aside_pickup_title.gif

3481 ms

aside_bn_4oku-loto.jpg

aside_bn_4oku-loto.jpg

3783 ms

newmark_blink.gif

newmark_blink.gif

3557 ms

aside_bn_series_noble-witches4.jpg

aside_bn_series_noble-witches4.jpg

3993 ms

aside_bn_konosuba8.jpg

aside_bn_konosuba8.jpg

3969 ms

aside_bn_series_masouHH.jpg

aside_bn_series_masouHH.jpg

4119 ms

ga.js

ga.js

38 ms

__utm.gif

__utm.gif

12 ms

aside_bn_series_shumatsu.jpg

aside_bn_series_shumatsu.jpg

4106 ms

aside_bn_award.jpg

aside_bn_award.jpg

4173 ms

aside_bn_rookieaward.jpg

aside_bn_rookieaward.jpg

4191 ms

aside_bn_enquete.jpg

aside_bn_enquete.jpg

4080 ms

aside_bn_twitter.jpg

aside_bn_twitter.jpg

3747 ms

aside_bn_blog.jpg

aside_bn_blog.jpg

3488 ms

aside_bnlink_title.gif

aside_bnlink_title.gif

3354 ms

banner_gamefes5.jpg

banner_gamefes5.jpg

3447 ms

banner_bookwalker.jpg

banner_bookwalker.jpg

3326 ms

banner_sw_movie.jpg

banner_sw_movie.jpg

3788 ms

nav_foot.gif

nav_foot.gif

3268 ms

arrow_1.gif

arrow_1.gif

3197 ms

slide_previous.png

slide_previous.png

184 ms

slide_next.png

slide_next.png

307 ms

Accessibility Review

sneakerbunko.jp accessibility score

90

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

sneakerbunko.jp best practices score

83

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

Page has valid source maps

SEO Factors

sneakerbunko.jp SEO score

82

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 Sneakerbunko.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 Sneakerbunko.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

sneakerbunko.jp

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