Tools & Wizards About Us
k-uno.co.jp screenshot

Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

k-uno.co.jp

オーダーメイド婚約指輪・結婚指輪のK.UNO（ケイウノ）

Page Load Speed

8.2 sec in total

First Response

337 ms

Resources Loaded

6.7 sec

Page Rendered

1.2 sec

k-uno.co.jp screenshot

About Website

Click here to check amazing K UNO content for Japan. Otherwise, check out these important facts you probably never knew about k-uno.co.jp

K.UNO（ケイウノ）の公式サイト・公式オンラインストアです。結婚指輪・婚約指輪・ネックレスなどのジュエリーのほか、時計、タイバー・カフス・ベビースプーンなどのグッズまで幅広くお取り扱いしています。セミオーダー、フルオーダーメイドも気軽にご相談ください。

Visit k-uno.co.jp

Key Findings

We analyzed K-uno.co.jp page load time and found that the first response time was 337 ms and then it took 7.8 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

k-uno.co.jp performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value40.2 s

0/100

25%

SI (Speed Index)

Value16.3 s

0/100

10%

TBT (Total Blocking Time)

Value5,590 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.789

5/100

15%

TTI (Time to Interactive)

Value56.3 s

0/100

10%

Network Requests Diagram

k-uno.co.jp

337 ms

k-uno.co.jp

683 ms

www.k-uno.co.jp

920 ms

iul0wcd.js

173 ms

slick.css

172 ms

Our browser made a total of 205 requests to load all elements on the main page. We found that 57% of them (117 requests) were addressed to the original K-uno.co.jp, 5% (10 requests) were made to Googletagmanager.com and 5% (10 requests) were made to Api.u-komi.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain K-uno.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 271.8 kB (4%)

Content Size

7.3 MB

After Optimization

7.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of K-uno.co.jp main page is 7.3 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. Images take 6.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 141.1 kB

  • Original 161.8 kB
  • After minification 121.5 kB
  • After compression 20.7 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 40.3 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 141.1 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 25.2 kB

  • Original 6.7 MB
  • After minification 6.7 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. K UNO images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 86.9 kB

  • Original 264.2 kB
  • After minification 256.9 kB
  • After compression 177.3 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 86.9 kB or 33% of the original size.

CSS Optimization

-15%

Potential reduce by 18.6 kB

  • Original 121.2 kB
  • After minification 121.2 kB
  • After compression 102.6 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. K-uno.co.jp needs all CSS files to be minified and compressed as it can save up to 18.6 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 110 (55%)

Requests Now

199

After Optimization

89

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 199 CSS, Javascripts, AJAX and image requests in order to completely render the main page of K UNO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

k-uno.co.jp

k-uno.co.jp

337 ms

k-uno.co.jp

k-uno.co.jp

683 ms

www.k-uno.co.jp

www.k-uno.co.jp

920 ms

iul0wcd.js

iul0wcd.js

173 ms

slick.css

slick.css

172 ms

swiper-bundle.min.css

swiper-bundle.min.css

342 ms

jquery.fancybox.css

jquery.fancybox.css

498 ms

nouislider.fox.css

nouislider.fox.css

498 ms

reset.css

reset.css

499 ms

layout.css

layout.css

503 ms

common.css

common.css

505 ms

page.css

page.css

694 ms

jquery.min.js

jquery.min.js

852 ms

jquery.matchHeight-min.js

jquery.matchHeight-min.js

664 ms

jquery.biggerlink.min.js

jquery.biggerlink.min.js

664 ms

slick.min.js

slick.min.js

671 ms

swiper-bundle.min.js

swiper-bundle.min.js

865 ms

yubinbango.js

yubinbango.js

865 ms

jquery.fancybox.js

jquery.fancybox.js

850 ms

common.js

common.js

868 ms

home.js

home.js

870 ms

p.gif

p.gif

29 ms

gtm.js

gtm.js

235 ms

widget.js

widget.js

447 ms

menu.svg

menu.svg

422 ms

img_menuslide_brightness.webp

img_menuslide_brightness.webp

427 ms

img_menuslide_tangled.webp

img_menuslide_tangled.webp

965 ms

img_menuslide_bridal_03.webp

img_menuslide_bridal_03.webp

492 ms

ico_prev_white.svg

ico_prev_white.svg

423 ms

ico_next_white.svg

ico_next_white.svg

427 ms

img_menuslide_jewelry_02.webp

img_menuslide_jewelry_02.webp

492 ms

img_menuslide_jewelry_03.webp

img_menuslide_jewelry_03.webp

490 ms

logo.png

logo.png

492 ms

ico_cart.svg

ico_cart.svg

489 ms

ico_shop.svg

ico_shop.svg

772 ms

close_black.svg

close_black.svg

770 ms

ico_access.svg

ico_access.svg

777 ms

ico_canlender.svg

ico_canlender.svg

772 ms

ico_cart_green.svg

ico_cart_green.svg

776 ms

ico_person.svg

ico_person.svg

1236 ms

ico_help.svg

ico_help.svg

961 ms

ico_about.svg

ico_about.svg

1238 ms

ico_contact.svg

ico_contact.svg

1235 ms

ico_faq.svg

ico_faq.svg

1236 ms

ico_catalog.svg

ico_catalog.svg

1284 ms

ico_mail.svg

ico_mail.svg

1283 ms

main01_sp.jpg

main01_sp.jpg

1669 ms

main02_sp.jpg

main02_sp.jpg

1612 ms

main03_sp.jpg

main03_sp.jpg

1610 ms

main04_sp.jpg

main04_sp.jpg

1865 ms

ico_prev.svg

ico_prev.svg

1494 ms

ico_page.svg

ico_page.svg

1495 ms

ico_next.svg

ico_next.svg

1634 ms

ico_link02.svg

ico_link02.svg

1535 ms

img_product01.jpg

img_product01.jpg

1759 ms

img_product02.jpg

img_product02.jpg

1758 ms

img_product03.jpg

img_product03.jpg

1757 ms

img_product04.jpg

img_product04.jpg

1756 ms

img_disney_product01.jpg

img_disney_product01.jpg

1761 ms

tag.js

tag.js

92 ms

img_disney_product02.jpg

img_disney_product02.jpg

1836 ms

js

js

196 ms

vjEtxsuUXUcs168FS.js

vjEtxsuUXUcs168FS.js

1194 ms

destination

destination

424 ms

destination

destination

479 ms

fbevents.js

fbevents.js

536 ms

uwt.js

uwt.js

526 ms

core.js

core.js

518 ms

s_retargeting.js

s_retargeting.js

1439 ms

lt.js

lt.js

583 ms

entry.js

entry.js

1299 ms

track.js

track.js

1305 ms

jxxhekec92

jxxhekec92

572 ms

itm.js

itm.js

1057 ms

img_disney_product03.jpg

img_disney_product03.jpg

1535 ms

img_disney_product04.jpg

img_disney_product04.jpg

1698 ms

img_top_shop.jpg

img_top_shop.jpg

1698 ms

review-style-main-b220a073a4.css

review-style-main-b220a073a4.css

302 ms

styles.css

styles.css

361 ms

img_top_zoom.jpg

img_top_zoom.jpg

1494 ms

reviews

reviews

514 ms

plyr.css

plyr.css

412 ms

swiper.css

swiper.css

352 ms

img_top_about_sp.jpg

img_top_about_sp.jpg

1521 ms

ico_link04.svg

ico_link04.svg

1636 ms

img_ring01.jpg

img_ring01.jpg

1649 ms

img_ring02.jpg

img_ring02.jpg

1650 ms

img_ring03.jpg

img_ring03.jpg

1454 ms

style-97d7a78c50.css

style-97d7a78c50.css

153 ms

font-awesome.min.css

font-awesome.min.css

126 ms

custom-font.css

custom-font.css

124 ms

img_ring04.jpg

img_ring04.jpg

1576 ms

img_ring05.jpg

img_ring05.jpg

1573 ms

img_ring06.jpg

img_ring06.jpg

1573 ms

k_mr01.jpg

k_mr01.jpg

1573 ms

k_mr02.jpg

k_mr02.jpg

1573 ms

adsct

adsct

408 ms

adsct

adsct

435 ms

clarity.js

clarity.js

65 ms

tag.gif

tag.gif

958 ms

k_mr03.jpg

k_mr03.jpg

1417 ms

k_mr04.jpg

k_mr04.jpg

1503 ms

-Iwz6HfQk8C_QWqX4F2EcNA8n50zm4I8X7vCWS2SAUWLqO7ddCKieI_dT9hC6H1KJyqBaqqbr7VYINZdvlcrCqpfGmhihw=h88

-Iwz6HfQk8C_QWqX4F2EcNA8n50zm4I8X7vCWS2SAUWLqO7ddCKieI_dT9hC6H1KJyqBaqqbr7VYINZdvlcrCqpfGmhihw=h88

350 ms

track

track

549 ms

i4lGU1xL00H47egVJvMgBQjNIQeWsuEcRwofyu4XnWC8p6oamnaP2xJ2YB5asJUEjML4UzCH0qFUy9nhFX2w4CuyU9n3=h88

i4lGU1xL00H47egVJvMgBQjNIQeWsuEcRwofyu4XnWC8p6oamnaP2xJ2YB5asJUEjML4UzCH0qFUy9nhFX2w4CuyU9n3=h88

195 ms

QJWDPI8w-4PuqZslZbbcnqicocOJfI27FjV32agP3BMEu8-6iVYPw1fON3rNak9dZubLJaiGATsWrmtITlX-lR0e0X1G=h88

QJWDPI8w-4PuqZslZbbcnqicocOJfI27FjV32agP3BMEu8-6iVYPw1fON3rNak9dZubLJaiGATsWrmtITlX-lR0e0X1G=h88

290 ms

3-IPG3TTt9YUISSNaQQHR-PykFZmlxVw1f3d_MgzIrR7MJI2yJz99QL9DYvOP3J2e9UlGR1kzEz7FkSzOgc6rRbcr64mrJw=h88

3-IPG3TTt9YUISSNaQQHR-PykFZmlxVw1f3d_MgzIrR7MJI2yJz99QL9DYvOP3J2e9UlGR1kzEz7FkSzOgc6rRbcr64mrJw=h88

277 ms

NrRpudl3EseZjdxUYhKOQHF2hWMCSCqMkn_ZDrcD7B32W0HwPh2q_LXzMkMRBrwHK4tJeGT5Gt9TFawZePi6OCNrAcVfd-s=h88

NrRpudl3EseZjdxUYhKOQHF2hWMCSCqMkn_ZDrcD7B32W0HwPh2q_LXzMkMRBrwHK4tJeGT5Gt9TFawZePi6OCNrAcVfd-s=h88

266 ms

k7ZZA_WKh8HbnuTpH0U-sbTVotQmnFxZ31jcAVDytiMIZWAiD2V2TM-9EToPFtws0kI1nFhtb99c6NbpNByWUPmc2ccAKQ=h88

k7ZZA_WKh8HbnuTpH0U-sbTVotQmnFxZ31jcAVDytiMIZWAiD2V2TM-9EToPFtws0kI1nFhtb99c6NbpNByWUPmc2ccAKQ=h88

638 ms

k_mr05.jpg

k_mr05.jpg

1256 ms

k_mr06.jpg

k_mr06.jpg

1256 ms

k-f01.jpg

k-f01.jpg

1256 ms

ukmcustomfont.ttf

ukmcustomfont.ttf

91 ms

k-f02.jpg

k-f02.jpg

1253 ms

k-f03.jpg

k-f03.jpg

1325 ms

k-f04.jpg

k-f04.jpg

1517 ms

jTWJ2B

jTWJ2B

292 ms

segment

segment

226 ms

ytag.js

ytag.js

751 ms

k-f05.jpg

k-f05.jpg

1148 ms

k-f06.jpg

k-f06.jpg

1148 ms

gtm.js

gtm.js

34 ms

gtm.js

gtm.js

62 ms

img_top_service_231219.jpg

img_top_service_231219.jpg

1067 ms

img_top_disney.jpg

img_top_disney.jpg

1065 ms

dis_er_01.jpg

dis_er_01.jpg

1154 ms

universe_cookie_sync.html

universe_cookie_sync.html

722 ms

config.json

config.json

237 ms

dis_er_02.jpg

dis_er_02.jpg

1178 ms

log.2.js

log.2.js

47 ms

im-uid.js

im-uid.js

39 ms

dis_er_03.jpg

dis_er_03.jpg

1064 ms

targeting

targeting

152 ms

tracker

tracker

266 ms

kuno.js

kuno.js

169 ms

utre.js

utre.js

326 ms

get

get

306 ms

tracker

tracker

209 ms

dis_er_04.jpg

dis_er_04.jpg

985 ms

dis_er_05.jpg

dis_er_05.jpg

985 ms

dis_er_06.jpg

dis_er_06.jpg

1082 ms

dis_mr01.jpg

dis_mr01.jpg

1106 ms

dis_mr02.jpg

dis_mr02.jpg

1115 ms

dis_mr03.jpg

dis_mr03.jpg

1115 ms

dis_mr04.jpg

dis_mr04.jpg

1063 ms

dis_mr05.jpg

dis_mr05.jpg

1063 ms

dis_mr06.jpg

dis_mr06.jpg

1157 ms

itm.js

itm.js

24 ms

get

get

179 ms

kuns.js

kuns.js

361 ms

d-f01.jpg

d-f01.jpg

1133 ms

RvviDP

RvviDP

156 ms

segment

segment

163 ms

d-f02.jpg

d-f02.jpg

1030 ms

d-f03.jpg

d-f03.jpg

1036 ms

d-f04.jpg

d-f04.jpg

1061 ms

d-f05.jpg

d-f05.jpg

1050 ms

d-f06.jpg

d-f06.jpg

1149 ms

itm.js

itm.js

23 ms

utrs.js

utrs.js

193 ms

icon_top.svg

icon_top.svg

1130 ms

gtm.js

gtm.js

49 ms

gtm.js

gtm.js

28 ms

1bRF4q

1bRF4q

170 ms

segment

segment

194 ms

310 ms

destination

destination

64 ms

tracker

tracker

220 ms

targeting

targeting

197 ms

ico_tel.svg

ico_tel.svg

972 ms

ico_link03.svg

ico_link03.svg

981 ms

ico_canlender01.svg

ico_canlender01.svg

1006 ms

ico_mail01.svg

ico_mail01.svg

1008 ms

icon_earth.svg

icon_earth.svg

1106 ms

ld.js

ld.js

83 ms

get

get

240 ms

gtm.js

gtm.js

124 ms

footer_facebook.svg

footer_facebook.svg

1097 ms

activityi;src=12323950;type=invmedia;cat=101200;ord=1326111776172;npa=0;auiddc=1549852428.1715805825;pscdl=noapi;frm=0;gtm=45fe45d0z8890415285za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.k-uno.co.jp%2F

activityi;src=12323950;type=invmedia;cat=101200;ord=1326111776172;npa=0;auiddc=1549852428.1715805825;pscdl=noapi;frm=0;gtm=45fe45d0z8890415285za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.k-uno.co.jp%2F

179 ms

btm.js

btm.js

149 ms

syncframe

syncframe

143 ms

adsct

adsct

129 ms

adsct

adsct

128 ms

footer_x.svg

footer_x.svg

995 ms

footer_line.svg

footer_line.svg

1006 ms

footer_instagram.svg

footer_instagram.svg

1029 ms

footer_youtube.svg

footer_youtube.svg

1034 ms

icon_open.svg

icon_open.svg

1132 ms

record

record

173 ms

targeting

targeting

181 ms

tracker

tracker

172 ms

record

record

173 ms

163 ms

src=12323950;type=invmedia;cat=101200;ord=1326111776172;npa=0;auiddc=*;pscdl=noapi;frm=0;gtm=45fe45d0z8890415285za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.k-uno.co.jp%2F

src=12323950;type=invmedia;cat=101200;ord=1326111776172;npa=0;auiddc=*;pscdl=noapi;frm=0;gtm=45fe45d0z8890415285za201;gcd=13l3l3l3l1;dma=0;epver=2;~oref=https%3A%2F%2Fwww.k-uno.co.jp%2F

96 ms

main01_pc.jpg

main01_pc.jpg

1202 ms

tracking.js

tracking.js

38 ms

main02_pc.jpg

main02_pc.jpg

1010 ms

main03_pc.jpg

main03_pc.jpg

1022 ms

bdash_log.js

bdash_log.js

5 ms

adsct

adsct

27 ms

adsct

adsct

29 ms

tracking

tracking

883 ms

main04_pc.jpg

main04_pc.jpg

1177 ms

img_top_about_pc.jpg

img_top_about_pc.jpg

1186 ms

c.gif

c.gif

7 ms

Accessibility Review

k-uno.co.jp accessibility score

76

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 input fields do not have accessible names

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

<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

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>).

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

k-uno.co.jp 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

k-uno.co.jp SEO score

79

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 K-uno.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 K-uno.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

k-uno.co.jp

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