Tools & Wizards About Us
auctions.yahoo.co.jp screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

auctions.yahoo.co.jp

Yahoo!オークション - 日本最大級のネットオークション・フリマアプリ

Page Load Speed

9.3 sec in total

First Response

1.2 sec

Resources Loaded

7.7 sec

Page Rendered

404 ms

auctions.yahoo.co.jp screenshot

About Website

Click here to check amazing Auctions Yahoo content for Japan. Otherwise, check out these important facts you probably never knew about auctions.yahoo.co.jp

Yahoo!オークションは、お店にないものも見つかる買える　日本最大級のネットオークション・フリマアプリです。圧倒的人気のオークションに加え、フリマ出品ですぐ売れる、買える商品もたくさん！

Visit auctions.yahoo.co.jp

Key Findings

We analyzed Auctions.yahoo.co.jp page load time and found that the first response time was 1.2 sec and then it took 8.1 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

auctions.yahoo.co.jp performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value1,410 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

auctions.yahoo.co.jp

1202 ms

top.min.css

545 ms

jquery.min.js

741 ms

yads.js

586 ms

rapidjp-1.0.0.js

688 ms

Our browser made a total of 141 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Auctions.yahoo.co.jp, 35% (50 requests) were made to S.yimg.jp and 9% (12 requests) were made to M.one.impact-ad.jp. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source S.yimg.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 524.6 kB (28%)

Content Size

1.9 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Auctions.yahoo.co.jp main page is 1.9 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. 55% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 170.8 kB

  • Original 209.2 kB
  • After minification 204.9 kB
  • After compression 38.5 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 170.8 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 74.7 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. Auctions Yahoo images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 247.3 kB

  • Original 398.0 kB
  • After minification 394.1 kB
  • After compression 150.7 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 247.3 kB or 62% of the original size.

CSS Optimization

-83%

Potential reduce by 31.8 kB

  • Original 38.6 kB
  • After minification 38.5 kB
  • After compression 6.7 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. Auctions.yahoo.co.jp needs all CSS files to be minified and compressed as it can save up to 31.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 60 (51%)

Requests Now

118

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Auctions Yahoo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

auctions.yahoo.co.jp

auctions.yahoo.co.jp

1202 ms

top.min.css

top.min.css

545 ms

jquery.min.js

jquery.min.js

741 ms

yads.js

yads.js

586 ms

rapidjp-1.0.0.js

rapidjp-1.0.0.js

688 ms

top.min.js

top.min.js

381 ms

search_common.min.js

search_common.min.js

387 ms

TopFixedBanner.min.js

TopFixedBanner.min.js

393 ms

sim

sim

991 ms

dmsdfes1m_ejcvje81mv-a.jpg

dmsdfes1m_ejcvje81mv-a.jpg

1159 ms

sim

sim

1013 ms

sim

sim

1042 ms

logo_yahuoku_01.png

logo_yahuoku_01.png

189 ms

spr_header_02.png

spr_header_02.png

182 ms

02.png

02.png

380 ms

clear.gif

clear.gif

196 ms

pc_391_188.png

pc_391_188.png

607 ms

188x188.png

188x188.png

541 ms

188_188.png

188_188.png

375 ms

188x188_0224.png

188x188_0224.png

586 ms

188_188_auc.png

188_188_auc.png

783 ms

ytopbnr.png

ytopbnr.png

955 ms

standard0004.jpg

standard0004.jpg

570 ms

standard0010.jpg

standard0010.jpg

721 ms

standard0020.jpg

standard0020.jpg

759 ms

standard0054.jpg

standard0054.jpg

781 ms

standard0002.png

standard0002.png

798 ms

standard0003.jpg

standard0003.jpg

951 ms

standard0026.jpg

standard0026.jpg

955 ms

standard0007.jpg

standard0007.jpg

976 ms

188x188.png

188x188.png

1180 ms

card07.png

card07.png

990 ms

auctop_188_188.png

auctop_188_188.png

1081 ms

188x188_02.png

188x188_02.png

1119 ms

188x188_03.png

188x188_03.png

1138 ms

auctop84time_2.png

auctop84time_2.png

1175 ms

188x188_2.png

188x188_2.png

1182 ms

188x188.png

188x188.png

1279 ms

2_w188h188.png

2_w188h188.png

1303 ms

188x188.png

188x188.png

1337 ms

auctop_188_188.png

auctop_188_188.png

1368 ms

188x188.png

188x188.png

1392 ms

188_188.png

188_188.png

1376 ms

new2.gif

new2.gif

1440 ms

bnr_kaizen_01.png

bnr_kaizen_01.png

1491 ms

ysp_off.gif

ysp_off.gif

1076 ms

omg9bledikdhigycibcz-a.jpg

omg9bledikdhigycibcz-a.jpg

1525 ms

ico_reuse_01.png

ico_reuse_01.png

303 ms

spr_base_01.png

spr_base_01.png

1693 ms

bg_acMdLogout_infographic_01.png

bg_acMdLogout_infographic_01.png

1923 ms

btn_acMdLogout_infographic_01.png

btn_acMdLogout_infographic_01.png

1547 ms

yads_vimps-1.4.1.js

yads_vimps-1.4.1.js

215 ms

tag

tag

593 ms

bg_modTopics_01.png

bg_modTopics_01.png

1410 ms

bg_arrow_halloween.png

bg_arrow_halloween.png

1437 ms

bg_modTopics_01_mall.png

bg_modTopics_01_mall.png

1492 ms

bg_modAdPr_01.png

bg_modAdPr_01.png

1401 ms

img_modReuse_01.png

img_modReuse_01.png

1414 ms

editorial-base_text_pc.min.js

editorial-base_text_pc.min.js

172 ms

jserror

jserror

791 ms

uftChnk.png

uftChnk.png

306 ms

rapid-worker-1.2.js

rapid-worker-1.2.js

226 ms

tag.js

tag.js

7 ms

lib2obf_b4.js

lib2obf_b4.js

310 ms

spr_catelinks_01.jpg

spr_catelinks_01.jpg

2292 ms

trend0049.jpg

trend0049.jpg

922 ms

trend0031.jpg

trend0031.jpg

954 ms

trend0007.jpg

trend0007.jpg

1015 ms

tag

tag

6 ms

tag

tag

5 ms

yql

yql

1375 ms

b

b

528 ms

oct.js

oct.js

5 ms

conversion_async.js

conversion_async.js

54 ms

blade_track_jp.js

blade_track_jp.js

387 ms

adsct

adsct

119 ms

adsct

adsct

79 ms

fbevents.js

fbevents.js

60 ms

mone.b1f8c31d489_2189.js

mone.b1f8c31d489_2189.js

442 ms

mk

mk

314 ms

adsct

adsct

85 ms

adsct

adsct

131 ms

38 ms

107 ms

126 ms

51 ms

cs

cs

6 ms

push_sync

push_sync

150 ms

so_sg.js

so_sg.js

1050 ms

cookie_enabled_get.html

cookie_enabled_get.html

361 ms

combo

combo

153 ms

bl_track.cgi

bl_track.cgi

340 ms

receive_sync

receive_sync

152 ms

pb.html

pb.html

3 ms

pixel

pixel

24 ms

pix

pix

151 ms

pix

pix

298 ms

pix

pix

307 ms

pix

pix

310 ms

pix

pix

307 ms

pix

pix

314 ms

pix

pix

313 ms

pix

pix

445 ms

pix

pix

454 ms

pix

pix

455 ms

pix

pix

457 ms

pix

pix

502 ms

300 ms

pixel

pixel

22 ms

668 ms

pixel

pixel

21 ms

362 ms

receive_sync

receive_sync

151 ms

sync

sync

543 ms

150 ms

js

js

545 ms

ld.js

ld.js

23 ms

event

event

18 ms

event

event

338 ms

receive_sync

receive_sync

151 ms

criteohandler

criteohandler

28 ms

sync

sync

5 ms

sosync

sosync

186 ms

13 ms

sync

sync

489 ms

sync_before

sync_before

181 ms

sync_before

sync_before

390 ms

sync_before

sync_before

349 ms

idsync

idsync

396 ms

sync

sync

442 ms

16 ms

receive_sync

receive_sync

153 ms

sync

sync

495 ms

pixel

pixel

25 ms

sync

sync

566 ms

sd

sd

4 ms

cs

cs

345 ms

is

is

779 ms

Pug

Pug

27 ms

tap.php

tap.php

660 ms

dis.aspx

dis.aspx

336 ms

Accessibility Review

auctions.yahoo.co.jp accessibility score

68

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

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

auctions.yahoo.co.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

auctions.yahoo.co.jp SEO score

77

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 doesn't use 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 Auctions.yahoo.co.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 Auctions.yahoo.co.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

auctions.yahoo.co.jp

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