Tools & Wizards About Us
item.rakuten.co.jp screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

item.rakuten.co.jp

【楽天市場】Shopping is Entertainment! ： インターネット最大級の通信販売、通販オンラインショッピングコミュニティ

Page Load Speed

7.3 sec in total

First Response

359 ms

Resources Loaded

6.4 sec

Page Rendered

598 ms

item.rakuten.co.jp screenshot

About Website

Welcome to item.rakuten.co.jp homepage info - get ready to check Item Rakuten best content for Japan right away, or after learning these important things about item.rakuten.co.jp

楽天市場はインターネット通販が楽しめる総合ショッピングモール。楽天ポイントがどんどん貯まる！使える！毎日お得なクーポンも。食品から家電、ファッション、ベビー用品、コスメまで、充実の品揃え。

Visit item.rakuten.co.jp

Key Findings

We analyzed Item.rakuten.co.jp page load time and found that the first response time was 359 ms and then it took 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

item.rakuten.co.jp performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value540 ms

55/100

30%

CLS (Cumulative Layout Shift)

Value0.151

76/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

item.rakuten.co.jp

359 ms

shop

356 ms

219 ms

setup_css2_2.0.0.css

1031 ms

jquery-1.4.2.min.js

207 ms

Our browser made a total of 180 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Item.rakuten.co.jp, 20% (36 requests) were made to Rakuten.co.jp and 20% (36 requests) were made to Thumbnail.image.rakuten.co.jp. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Ias.r10s.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 783.5 kB (37%)

Content Size

2.1 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Item.rakuten.co.jp main page is 2.1 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. 65% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 110.4 kB

  • Original 135.4 kB
  • After minification 125.8 kB
  • After compression 25.0 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 110.4 kB or 82% of the original size.

Image Optimization

-16%

Potential reduce by 221.9 kB

  • Original 1.4 MB
  • After minification 1.1 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. Obviously, Item Rakuten needs image optimization as it can save up to 221.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 296.7 kB

  • Original 439.4 kB
  • After minification 420.7 kB
  • After compression 142.7 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 296.7 kB or 68% of the original size.

CSS Optimization

-86%

Potential reduce by 154.5 kB

  • Original 180.7 kB
  • After minification 150.9 kB
  • After compression 26.1 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. Item.rakuten.co.jp needs all CSS files to be minified and compressed as it can save up to 154.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 61 (34%)

Requests Now

177

After Optimization

116

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 177 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Item Rakuten. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

item.rakuten.co.jp

item.rakuten.co.jp

359 ms

shop

shop

356 ms

219 ms

setup_css2_2.0.0.css

setup_css2_2.0.0.css

1031 ms

jquery-1.4.2.min.js

jquery-1.4.2.min.js

207 ms

pctablet_segment-1.0.0.js

pctablet_segment-1.0.0.js

132 ms

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342 ms

reset_table_ad2.0.0.css

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1046 ms

general2.0.0.css

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1046 ms

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1044 ms

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1044 ms

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1049 ms

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1053 ms

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1052 ms

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1058 ms

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1050 ms

setup_css2_1.0.0.css

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1047 ms

ricmn_header.css

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126 ms

ricmn_header_ev_search.css

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497 ms

ricmn_header_shop.css

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1972 ms

shop-suggest-1.0.0.css

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1900 ms

prm_selector.js

prm_selector.js

226 ms

prm_sender.js

prm_sender.js

224 ms

cartnumdisplay-1.0.0.min.js

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1043 ms

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1043 ms

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1784 ms

rjs_helpers.min.js

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1045 ms

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1045 ms

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1218 ms

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20 ms

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1047 ms

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1046 ms

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1046 ms

footer_default_css.css

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1038 ms

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1047 ms

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1048 ms

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1049 ms

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1050 ms

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1049 ms

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1050 ms

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47 ms

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196 ms

ttl_shop.gif

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29 ms

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43 ms

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43 ms

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67 ms

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49 ms

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58 ms

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54 ms

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102 ms

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98 ms

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482 ms

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70 ms

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76 ms

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82 ms

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105 ms

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113 ms

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125 ms

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216 ms

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22 ms

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136 ms

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24 ms

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34 ms

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35 ms

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797 ms

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828 ms

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icn_topcart_01.gif

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5 ms

513 ms

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5 ms

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25 ms

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86 ms

485 ms

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37 ms

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40 ms

bullet.gif

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38 ms

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t.gif

22 ms

vc

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510 ms

834 ms

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443 ms

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732 ms

index.js

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759 ms

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Accessibility Review

item.rakuten.co.jp accessibility score

61

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-*] attributes do not match their roles

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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.

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

item.rakuten.co.jp best practices score

67

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

Serves images with low resolution

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

item.rakuten.co.jp SEO score

93

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

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    EUC-JP

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Item.rakuten.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 Item.rakuten.co.jp main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

item.rakuten.co.jp

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