Tools & Wizards About Us
yukoyuko.net screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

yukoyuko.net

温泉旅館・宿・ホテルの宿泊予約サイト【ゆこゆこ】

Page Load Speed

7.1 sec in total

First Response

355 ms

Resources Loaded

6.1 sec

Page Rendered

593 ms

yukoyuko.net screenshot

About Website

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

【お得な旅行はゆこゆこネット】国内の温泉旅館・宿・ホテルの宿泊予約サイト。お得な平日旅行や、温泉旅行、一万円以下で泊まれる格安の宿から露天風呂付客室のある贅沢な宿まで勢ぞろい！

Visit yukoyuko.net

Key Findings

We analyzed Yukoyuko.net page load time and found that the first response time was 355 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

yukoyuko.net performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value5,600 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value37.5 s

0/100

10%

Network Requests Diagram

yukoyuko.net

355 ms

yukoyuko.net

674 ms

www.yukoyuko.net

1028 ms

ieDeprecation.js

52 ms

main.css

757 ms

Our browser made a total of 216 requests to load all elements on the main page. We found that 29% of them (63 requests) were addressed to the original Yukoyuko.net, 19% (40 requests) were made to Cdn.yukoyuko.net and 8% (17 requests) were made to Static.yukoyuko.net. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Yukoyuko.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 951.2 kB (26%)

Content Size

3.7 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yukoyuko.net main page is 3.7 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. Only a small number of websites need less resources to load. Javascripts take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 546.9 kB

  • Original 608.0 kB
  • After minification 458.5 kB
  • After compression 61.1 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. This page needs HTML code to be minified as it can gain 149.5 kB, which is 25% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 546.9 kB or 90% of the original size.

Image Optimization

-1%

Potential reduce by 12.1 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. Yukoyuko images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 392.0 kB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 1.1 MB

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 392.0 kB or 26% of the original size.

CSS Optimization

-0%

Potential reduce by 253 B

  • Original 73.6 kB
  • After minification 73.6 kB
  • After compression 73.3 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. Yukoyuko.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 156 (77%)

Requests Now

203

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 203 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yukoyuko. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 108 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

yukoyuko.net

yukoyuko.net

355 ms

yukoyuko.net

yukoyuko.net

674 ms

www.yukoyuko.net

www.yukoyuko.net

1028 ms

ieDeprecation.js

ieDeprecation.js

52 ms

main.css

main.css

757 ms

concierge.css

concierge.css

56 ms

core.min.js

core.min.js

80 ms

main.js

main.js

68 ms

common.js

common.js

748 ms

firebase-app.js

firebase-app.js

54 ms

firebase-analytics.js

firebase-analytics.js

58 ms

firebase-messaging.js

firebase-messaging.js

62 ms

top.js

top.js

899 ms

top.css

top.css

1467 ms

map.css

map.css

899 ms

search.js

search.js

101 ms

chunk-vendor~a5ce148e.ecb26e857fa87c86a576.js

chunk-vendor~a5ce148e.ecb26e857fa87c86a576.js

335 ms

chunk-vendor~49d0a293.dfd38306bdc22250015a.js

chunk-vendor~49d0a293.dfd38306bdc22250015a.js

676 ms

chunk-vendor~e722bc1d.4033c6ffebcf005cd9f0.js

chunk-vendor~e722bc1d.4033c6ffebcf005cd9f0.js

906 ms

chunk-vendor~2b4841d6.24b051610f528e7c82f9.js

chunk-vendor~2b4841d6.24b051610f528e7c82f9.js

507 ms

chunk-vendor~03fa9ebe.9f85661780cbbc319abb.js

chunk-vendor~03fa9ebe.9f85661780cbbc319abb.js

1112 ms

chunk-vendor~efdee510.bec580bee2ddfe718abb.js

chunk-vendor~efdee510.bec580bee2ddfe718abb.js

507 ms

chunk-vendor~3113a0cb.c15b3904e2f7b8c334a8.js

chunk-vendor~3113a0cb.c15b3904e2f7b8c334a8.js

684 ms

chunk-vendor~91ec3ed2.ed3568bc3c2738e9b491.js

chunk-vendor~91ec3ed2.ed3568bc3c2738e9b491.js

904 ms

chunk-vendor~05b04a8e.20e781c4ed335f0fb176.js

chunk-vendor~05b04a8e.20e781c4ed335f0fb176.js

681 ms

chunk-vendor~f80d2ba7.1e18c7441ecbbeb073c8.js

chunk-vendor~f80d2ba7.1e18c7441ecbbeb073c8.js

905 ms

chunk-vendor~2a46b080.8e1b6172cb95ae8b9673.js

chunk-vendor~2a46b080.8e1b6172cb95ae8b9673.js

903 ms

chunk-vendor~27545368.7874e255e19900b2ca23.js

chunk-vendor~27545368.7874e255e19900b2ca23.js

905 ms

chunk-vendor~c7a3c011.b077f4b08e4388733dae.js

chunk-vendor~c7a3c011.b077f4b08e4388733dae.js

1115 ms

app~57e2577b.b37c25b7936110abfdab.js

app~57e2577b.b37c25b7936110abfdab.js

1110 ms

app~296f7ffc.6399d3ddf39b37feb5ca.js

app~296f7ffc.6399d3ddf39b37feb5ca.js

1112 ms

app~cf53adf0.5b4bc0c4ef5b5ad1ba10.js

app~cf53adf0.5b4bc0c4ef5b5ad1ba10.js

1113 ms

app~e46596e9.28d2e191f50f7a423bf8.js

app~e46596e9.28d2e191f50f7a423bf8.js

1111 ms

app~7f854005.3d15d16d5ff960a18c96.js

app~7f854005.3d15d16d5ff960a18c96.js

1350 ms

app~76e53522.68392eeaed4c27848d72.js

app~76e53522.68392eeaed4c27848d72.js

1355 ms

app~3062047c.a5ea257084e4a1a8d904.js

app~3062047c.a5ea257084e4a1a8d904.js

1445 ms

app~4ff1b996.70100fbfdaa745f3534b.js

app~4ff1b996.70100fbfdaa745f3534b.js

1355 ms

app~62c54514.1eec467fbc78974ca071.js

app~62c54514.1eec467fbc78974ca071.js

1354 ms

app~47b19de0.bde79233b1b067013857.js

app~47b19de0.bde79233b1b067013857.js

1354 ms

app~2f2f12ec.5f36f25ca7a1aedeaff8.js

app~2f2f12ec.5f36f25ca7a1aedeaff8.js

1852 ms

app~689b2e4a.c96bd737ce9d6d39ee92.js

app~689b2e4a.c96bd737ce9d6d39ee92.js

1850 ms

app~4fd9e807.b04d984c6e0bb147ba2c.js

app~4fd9e807.b04d984c6e0bb147ba2c.js

1856 ms

app~030b023b.75fab3ee4d6b0cf72444.js

app~030b023b.75fab3ee4d6b0cf72444.js

1849 ms

app~7eb22e3e.cf9f0bf942ee04963d70.js

app~7eb22e3e.cf9f0bf942ee04963d70.js

1857 ms

app~2b4841d6.c92a3cc3573182f67ae8.js

app~2b4841d6.c92a3cc3573182f67ae8.js

1854 ms

app~bb3d84b5.9df79dae70b64280df63.js

app~bb3d84b5.9df79dae70b64280df63.js

2046 ms

app~8bd7a926.0a5fa162f06879c3edfc.js

app~8bd7a926.0a5fa162f06879c3edfc.js

2045 ms

app~f82e0cd2.473746c5995a9b59ccfa.js

app~f82e0cd2.473746c5995a9b59ccfa.js

2032 ms

app~43244254.e7384c621c5d41fc6596.js

app~43244254.e7384c621c5d41fc6596.js

2038 ms

app~d39d7386.84f65bf8426f36645b1e.js

app~d39d7386.84f65bf8426f36645b1e.js

2053 ms

app~ba5cce0a.b2d91a7991fc46c3f97c.js

app~ba5cce0a.b2d91a7991fc46c3f97c.js

2053 ms

webpush.js

webpush.js

193 ms

erebos.js

erebos.js

737 ms

app~b63e7516.2441e5238276378a981f.js

app~b63e7516.2441e5238276378a981f.js

2067 ms

app~dc5d8b28.833956d9b02a40e97d6b.js

app~dc5d8b28.833956d9b02a40e97d6b.js

1909 ms

app~49a5ef70.f37eb13dafe4b3e6b27f.js

app~49a5ef70.f37eb13dafe4b3e6b27f.js

1739 ms

app~d0556cfa.85d817c7ac90f37b0e1b.js

app~d0556cfa.85d817c7ac90f37b0e1b.js

1738 ms

app~198d1a6d.875a6266205fc5c24c7b.js

app~198d1a6d.875a6266205fc5c24c7b.js

1574 ms

app~693f03ba.5b86df7140ca72f1cd12.js

app~693f03ba.5b86df7140ca72f1cd12.js

1612 ms

app~b48beae3.34c1eb715a658389965b.js

app~b48beae3.34c1eb715a658389965b.js

1801 ms

gtm.js

gtm.js

150 ms

bnr_mag.png

bnr_mag.png

61 ms

how-to-banner_top.jpg

how-to-banner_top.jpg

58 ms

yukoyukolp2.jpg

yukoyukolp2.jpg

60 ms

LINETOP.JPG

LINETOP.JPG

61 ms

mail-member-banner-top.jpg

mail-member-banner-top.jpg

60 ms

service1.png

service1.png

42 ms

service2.png

service2.png

991 ms

service3.png

service3.png

45 ms

service4.png

service4.png

45 ms

bnr_instagram.png

bnr_instagram.png

42 ms

30202796ff474509d6e20300de7ed551f093156eaf3c487b45fa5f68cacfd0dc

30202796ff474509d6e20300de7ed551f093156eaf3c487b45fa5f68cacfd0dc

1037 ms

app~386b9151.5cf9b605d568d4d18009.js

app~386b9151.5cf9b605d568d4d18009.js

1734 ms

app~f501a089.96a1a1cbcfd7e217b0e0.js

app~f501a089.96a1a1cbcfd7e217b0e0.js

1580 ms

app~27545368.c3996d2c7d1605ef8910.js

app~27545368.c3996d2c7d1605ef8910.js

1578 ms

app~866ab763.01e862becd2ac1d70ded.js

app~866ab763.01e862becd2ac1d70ded.js

1579 ms

app~85c77674.5c3578e81621b3ef4ebd.js

app~85c77674.5c3578e81621b3ef4ebd.js

1577 ms

js

js

53 ms

js

js

270 ms

itm.js

itm.js

486 ms

ytag.js

ytag.js

1122 ms

destination

destination

372 ms

destination

destination

369 ms

ld.js

ld.js

732 ms

s_retargeting.js

s_retargeting.js

1102 ms

tag.js

tag.js

729 ms

vclp.js

vclp.js

757 ms

ins.js

ins.js

770 ms

bi.js

bi.js

1354 ms

evergage.min.js

evergage.min.js

759 ms

app~588067e7.e4296bc1fe218f279c01.js

app~588067e7.e4296bc1fe218f279c01.js

1577 ms

app~686c52e1.7ecf5b70a43effbeb175.js

app~686c52e1.7ecf5b70a43effbeb175.js

1574 ms

app~4167da6a.ef13cddff34960b050c8.js

app~4167da6a.ef13cddff34960b050c8.js

1573 ms

app~1b4ce608.643391c9c43caba8da0b.js

app~1b4ce608.643391c9c43caba8da0b.js

1579 ms

app~7ab4dc15.ea705274eaba02102177.js

app~7ab4dc15.ea705274eaba02102177.js

1571 ms

analytics.js

analytics.js

749 ms

app~987de1a7.ca9e11c6fc7242ad8426.js

app~987de1a7.ca9e11c6fc7242ad8426.js

1678 ms

collect

collect

806 ms

collect

collect

1006 ms

kodomo.svg

kodomo.svg

209 ms

24syoka.jpg

24syoka.jpg

509 ms

24syoka_sp.jpg

24syoka_sp.jpg

474 ms

24syoka_logo.png

24syoka_logo.png

477 ms

nesage.jpg

nesage.jpg

513 ms

nesage_sp.jpg

nesage_sp.jpg

502 ms

nesage_front2.png

nesage_front2.png

513 ms

BPLP_MV.jpg

BPLP_MV.jpg

574 ms

BPLP_MV_sp.jpg

BPLP_MV_sp.jpg

529 ms

880_front.png

880_front.png

529 ms

icon_about_yuko.svg

icon_about_yuko.svg

474 ms

icon_tel.svg

icon_tel.svg

476 ms

icon_blank_white.svg

icon_blank_white.svg

474 ms

icon_login_white.svg

icon_login_white.svg

475 ms

icon_inquiry_white.svg

icon_inquiry_white.svg

500 ms

icon_login.webp

icon_login.webp

520 ms

icon_search.svg

icon_search.svg

518 ms

mv_map.png

mv_map.png

1382 ms

icon_pin.svg

icon_pin.svg

520 ms

icon_arw_r.svg

icon_arw_r.svg

526 ms

spinner.svg

spinner.svg

565 ms

concierge_bg.webp

concierge_bg.webp

564 ms

icon_twitter.svg

icon_twitter.svg

566 ms

icon_facebook.svg

icon_facebook.svg

1292 ms

icon_mail.svg

icon_mail.svg

572 ms

icon_blank.svg

icon_blank.svg

574 ms

340.webp

340.webp

575 ms

sdk.js

sdk.js

441 ms

mv_map.png

mv_map.png

1296 ms

icon_arw_r_white.svg

icon_arw_r_white.svg

443 ms

icon_japan.svg

icon_japan.svg

1169 ms

icon_calendar.svg

icon_calendar.svg

447 ms

icon_login.svg

icon_login.svg

446 ms

icon_search_white.svg

icon_search_white.svg

451 ms

tracker.js

tracker.js

1110 ms

segment

segment

360 ms

wcs.js

wcs.js

122 ms

collect

collect

35 ms

UUID.js

UUID.js

171 ms

sdk.js

sdk.js

13 ms

collect

collect

34 ms

54 ms

ga-audiences

ga-audiences

95 ms

gtm.js

gtm.js

77 ms

gtm.js

gtm.js

137 ms

bf.png

bf.png

1413 ms

syncframe

syncframe

123 ms

cp.js

cp.js

1214 ms

cv

cv

247 ms

segment

segment

484 ms

targeting

targeting

279 ms

exclude

exclude

280 ms

%7C%7C

%7C%7C

293 ms

beacon.gif

beacon.gif

382 ms

destination

destination

158 ms

339 ms

destination

destination

82 ms

log.js

log.js

44 ms

beacon.html

beacon.html

257 ms

fraud

fraud

843 ms

mk

mk

1176 ms

1351 ms

tracker

tracker

785 ms

collect

collect

275 ms

activityi;src=12080909;type=invmedia;cat=4t-k30;ord=7554853300448;npa=0;auiddc=355471779.1714836170;u1=https%3A%2F%2Fwww.yukoyuko.net%2F;u2=%2F;u3=1002560;u4=0;u5=0;pscdl=noapi;gtm=45fe4510v9181812503z8837446784za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.yukoyuko.net%2F

activityi;src=12080909;type=invmedia;cat=4t-k30;ord=7554853300448;npa=0;auiddc=355471779.1714836170;u1=https%3A%2F%2Fwww.yukoyuko.net%2F;u2=%2F;u3=1002560;u4=0;u5=0;pscdl=noapi;gtm=45fe4510v9181812503z8837446784za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.yukoyuko.net%2F

210 ms

activityi;src=8945017;type=invmedia;cat=flood0;ord=3822013748856;u=ZKJZAjHHRm2NsBeSSQY49w;npa=0;auiddc=355471779.1714836170;u1=https%3A%2F%2Fwww.yukoyuko.net%2F;u2=%2F;u3=1002560;u4=0;u5=0;u6=0;pscdl=noapi;gtm=45fe4510v9181636516z8837446784za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.yukoyuko.net%2F

activityi;src=8945017;type=invmedia;cat=flood0;ord=3822013748856;u=ZKJZAjHHRm2NsBeSSQY49w;npa=0;auiddc=355471779.1714836170;u1=https%3A%2F%2Fwww.yukoyuko.net%2F;u2=%2F;u3=1002560;u4=0;u5=0;u6=0;pscdl=noapi;gtm=45fe4510v9181636516z8837446784za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.yukoyuko.net%2F

151 ms

pixel

pixel

68 ms

event

event

1120 ms

pixel

pixel

15 ms

google

google

18 ms

src=8945017;type=invmedia;cat=flood0;ord=3822013748856;u=ZKJZAjHHRm2NsBeSSQY49w;npa=0;auiddc=*;u1=https%3A%2F%2Fwww.yukoyuko.net%2F;u2=%2F;u3=1002560;u4=0;u5=0;u6=0;pscdl=noapi;gtm=45fe4510v9181636516z8837446784za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.yukoyuko.net%2F

src=8945017;type=invmedia;cat=flood0;ord=3822013748856;u=ZKJZAjHHRm2NsBeSSQY49w;npa=0;auiddc=*;u1=https%3A%2F%2Fwww.yukoyuko.net%2F;u2=%2F;u3=1002560;u4=0;u5=0;u6=0;pscdl=noapi;gtm=45fe4510v9181636516z8837446784za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.yukoyuko.net%2F

520 ms

src=12080909;type=invmedia;cat=4t-k30;ord=7554853300448;npa=0;auiddc=*;u1=https%3A%2F%2Fwww.yukoyuko.net%2F;u2=%2F;u3=1002560;u4=0;u5=0;pscdl=noapi;gtm=45fe4510v9181812503z8837446784za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.yukoyuko.net%2F

src=12080909;type=invmedia;cat=4t-k30;ord=7554853300448;npa=0;auiddc=*;u1=https%3A%2F%2Fwww.yukoyuko.net%2F;u2=%2F;u3=1002560;u4=0;u5=0;pscdl=noapi;gtm=45fe4510v9181812503z8837446784za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.yukoyuko.net%2F

579 ms

chunk-7933.1779c80065c18c87ff4a.js

chunk-7933.1779c80065c18c87ff4a.js

400 ms

chunk-common-page-app.71323453513eac4e3ccc.js

chunk-common-page-app.71323453513eac4e3ccc.js

399 ms

top

top

692 ms

upcoming

upcoming

692 ms

top

top

370 ms

holiday

holiday

686 ms

icon_arw_l_white.svg

icon_arw_l_white.svg

102 ms

appnexus

appnexus

22 ms

rubicon

rubicon

5 ms

chatplusscript.min.js

chatplusscript.min.js

175 ms

jqueryc.min.js

jqueryc.min.js

58 ms

riot%2Bcompiler_2.min.js

riot%2Bcompiler_2.min.js

73 ms

underscorec.min.js

underscorec.min.js

73 ms

c

c

415 ms

chunk-6133.7400d0c1fb7619a18049.js

chunk-6133.7400d0c1fb7619a18049.js

187 ms

chunk-5198.f396aa5970d75eba6502.js

chunk-5198.f396aa5970d75eba6502.js

193 ms

chunk-6110.cca770ada27c143548ce.js

chunk-6110.cca770ada27c143548ce.js

191 ms

chunk-6127.f57a5fc73f33c8244d84.js

chunk-6127.f57a5fc73f33c8244d84.js

190 ms

chunk-3572.ccbea32cceea8dff217e.js

chunk-3572.ccbea32cceea8dff217e.js

186 ms

g00162-2.jpg

g00162-2.jpg

72 ms

um

um

232 ms

sync

sync

266 ms

rum

rum

231 ms

user-registering

user-registering

240 ms

c.gif

c.gif

219 ms

1017

1017

239 ms

Pug

Pug

239 ms

pixel_sync

pixel_sync

219 ms

tap.php

tap.php

109 ms

v1

v1

238 ms

1

1

249 ms

sync

sync

217 ms

t00024-2.jpg

t00024-2.jpg

120 ms

ytag.js

ytag.js

245 ms

destination

destination

111 ms

cookiematch.aspx

cookiematch.aspx

190 ms

cookiematch.aspx

cookiematch.aspx

187 ms

xuid

xuid

90 ms

partner.mediawallahscript.com

partner.mediawallahscript.com

85 ms

72 ms

match

match

29 ms

sync

sync

28 ms

setuid

setuid

16 ms

16 ms

partner.mediawallahscript.com

partner.mediawallahscript.com

8 ms

Accessibility Review

yukoyuko.net accessibility score

72

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

yukoyuko.net 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

yukoyuko.net SEO score

83

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

    JA

  • Encoding

    UTF-8

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

yukoyuko.net

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