Access se7en.jp. SE7EN

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value400 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.197

63/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

se7en.jp

1304 ms

nso_style.css

999 ms

MCommon.css

420 ms

sdk.js

48 ms

menu_bra04_top.gif

326 ms

Our browser made a total of 142 requests to load all elements on the main page. We found that 97% of them (138 requests) were addressed to the original Se7en.jp, 1% (2 requests) were made to Staticxx.facebook.com and 1% (1 request) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Se7en.jp.

Content Size

2.8 MB

After Optimization

2.6 MB

In fact, the total size of Se7en.jp main page is 2.8 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. 40% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 110.6 kB

Original 126.2 kB
After minification 116.0 kB
After compression 15.6 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 110.6 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 49.4 kB

Original 2.6 MB
After minification 2.5 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. SE7EN images are well optimized though.

CSS Optimization

-95%

Potential reduce by 53.5 kB

Original 56.5 kB
After minification 41.8 kB
After compression 3.0 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. Se7en.jp needs all CSS files to be minified and compressed as it can save up to 53.5 kB or 95% of the original size.

Requests Now

141

After Optimization

129

The browser has sent 141 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SE7EN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

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

High

ARIA input fields do not have accessible names

High

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

High

ARIA toggle fields do not have accessible names

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Se7en.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Se7en.jp main page’s claimed encoding is shift_jis. 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

se7en.jp

Open Graph description is not detected on the main page of SE7EN. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

SE7EN

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

se7en.jp

nso_style.css

MCommon.css

sdk.js

menu_bra04_top.gif

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

se7en.jp

nso_style.css

MCommon.css

sdk.js

menu_bra04_top.gif

menu_bra04_category.gif

menu_bra04_paydeli.gif

menu_bra04_owner.gif

menu_bra04_whatsnew.gif

menu_bra04_inquiry.gif

menu_bra04_cart.gif

BLOG-15.jpg

sizeguide-top.gif

QR_Code.jpg

SE7ENHP-1.jpg

A7122_T1.jpg

icon1.gif

A7123_T1.jpg

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icon3.gif

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xd_arbiter.php

xd_arbiter.php

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