Tools & Wizards About Us
ryu-tsu.co.jp screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ryu-tsu.co.jp

東京・御徒町の宝石貴金属店

Page Load Speed

6.4 sec in total

First Response

532 ms

Resources Loaded

5.5 sec

Page Rendered

358 ms

ryu-tsu.co.jp screenshot

About Website

Visit ryu-tsu.co.jp now to see the best up-to-date Ryu Tsu content for Japan and also check out these interesting facts you probably never knew about ryu-tsu.co.jp

東京・御徒町の宝石貴金属店

Visit ryu-tsu.co.jp

Key Findings

We analyzed Ryu-tsu.co.jp page load time and found that the first response time was 532 ms and then it took 5.9 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

ryu-tsu.co.jp performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value4.8 s

66/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.521

15/100

15%

TTI (Time to Interactive)

Value7.3 s

50/100

10%

Network Requests Diagram

ryu-tsu.co.jp

532 ms

ryu-tsu.co.jp

699 ms

base-p.css

174 ms

basicpage.css

347 ms

smartDrawer.css

515 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 89% of them (62 requests) were addressed to the original Ryu-tsu.co.jp, 3% (2 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Ryu-tsu.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.1 kB (3%)

Content Size

1.9 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ryu-tsu.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. 35% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 29.2 kB

  • Original 38.4 kB
  • After minification 36.3 kB
  • After compression 9.3 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 29.2 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 12.5 kB

  • Original 1.7 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. Ryu Tsu images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 5.5 kB

  • Original 80.9 kB
  • After minification 80.9 kB
  • After compression 75.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-30%

Potential reduce by 1.9 kB

  • Original 6.5 kB
  • After minification 6.5 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. Ryu-tsu.co.jp needs all CSS files to be minified and compressed as it can save up to 1.9 kB or 30% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (10%)

Requests Now

67

After Optimization

60

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ryu Tsu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

ryu-tsu.co.jp

ryu-tsu.co.jp

532 ms

ryu-tsu.co.jp

ryu-tsu.co.jp

699 ms

base-p.css

base-p.css

174 ms

basicpage.css

basicpage.css

347 ms

smartDrawer.css

smartDrawer.css

515 ms

jquery-1.10.2.min.js

jquery-1.10.2.min.js

687 ms

smartDrawer.js

smartDrawer.js

516 ms

common.js

common.js

517 ms

js

js

59 ms

js

js

105 ms

conversion.js

conversion.js

90 ms

ja.png

ja.png

274 ms

head.gif

head.gif

344 ms

head.jpg

head.jpg

174 ms

flag_jp.png

flag_jp.png

175 ms

flag_us.png

flag_us.png

180 ms

g01.jpg

g01.jpg

173 ms

g02.jpg

g02.jpg

173 ms

g03.jpg

g03.jpg

344 ms

g04.jpg

g04.jpg

345 ms

g05.jpg

g05.jpg

344 ms

g06.jpg

g06.jpg

345 ms

g07.jpg

g07.jpg

357 ms

bnr_diamond.jpg

bnr_diamond.jpg

518 ms

bnr_wedding.jpg

bnr_wedding.jpg

517 ms

bnr_kihei.jpg

bnr_kihei.jpg

518 ms

bnr01.jpg

bnr01.jpg

687 ms

bnr03.jpg

bnr03.jpg

519 ms

smh_bnr03.jpg

smh_bnr03.jpg

536 ms

smh_bnr04.jpg

smh_bnr04.jpg

688 ms

title_news.gif

title_news.gif

689 ms

smh_title_news.gif

smh_title_news.gif

689 ms

shop_banner.jpg

shop_banner.jpg

691 ms

italy2023.gif

italy2023.gif

1779 ms

ekimaeten.gif

ekimaeten.gif

2590 ms

title_item.gif

title_item.gif

864 ms

smh_title_recommend.gif

smh_title_recommend.gif

864 ms

halfeternity1.jpg

halfeternity1.jpg

1384 ms

1m.jpg

1m.jpg

1210 ms

pearl.jpg

pearl.jpg

1376 ms

GFmove3.gif

GFmove3.gif

1208 ms

coin1.jpg

coin1.jpg

1551 ms

20160401.jpg

20160401.jpg

1385 ms

YG1.jpg

YG1.jpg

1548 ms

instagram_ttl.jpg

instagram_ttl.jpg

1556 ms

smh_instagram_ttl.jpg

smh_instagram_ttl.jpg

1558 ms

mt_bg.jpg

mt_bg.jpg

1719 ms

ga.js

ga.js

15 ms

m11.jpg

m11.jpg

1650 ms

31 ms

__utm.gif

__utm.gif

11 ms

30 ms

store_respo.txt

store_respo.txt

1560 ms

m12.jpg

m12.jpg

1563 ms

title_shop.gif

title_shop.gif

1722 ms

smh_title_shop.gif

smh_title_shop.gif

1727 ms

btn01.gif

btn01.gif

1727 ms

smh_btn01.gif

smh_btn01.gif

1564 ms

bnr_reservation.png

bnr_reservation.png

1617 ms

bnr02.jpg

bnr02.jpg

1725 ms

bur_blog.jpg

bur_blog.jpg

1732 ms

instagram.jpg

instagram.jpg

1733 ms

taxfree.jpg

taxfree.jpg

1726 ms

ds.jpg

ds.jpg

1621 ms

footer.gif

footer.gif

1723 ms

smh_footer.gif

smh_footer.gif

1730 ms

mt_bg_end.png

mt_bg_end.png

1732 ms

shop01_img.jpg

shop01_img.jpg

1479 ms

shop02_img.jpg

shop02_img.jpg

1837 ms

shop03_img.jpg

shop03_img.jpg

1695 ms

Accessibility Review

ryu-tsu.co.jp accessibility score

61

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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

ryu-tsu.co.jp best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

ryu-tsu.co.jp SEO score

83

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 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 Ryu-tsu.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 Ryu-tsu.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

ryu-tsu.co.jp

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