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itsuki-s.com screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

itsuki-s.com

五ツ木のテスト会オンライン申込

Page Load Speed

3.9 sec in total

First Response

317 ms

Resources Loaded

3.5 sec

Page Rendered

103 ms

itsuki-s.com screenshot

About Website

Click here to check amazing Itsuki S content for Japan. Otherwise, check out these important facts you probably never knew about itsuki-s.com

五ツ木の模擬テスト会の公式通販サイトです。

Visit itsuki-s.com

Key Findings

We analyzed Itsuki-s.com page load time and found that the first response time was 317 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

itsuki-s.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value310 ms

77/100

30%

CLS (Cumulative Layout Shift)

Value0.325

35/100

15%

TTI (Time to Interactive)

Value5.7 s

69/100

10%

Network Requests Diagram

itsuki-s.com

317 ms

itsuki-s.com

713 ms

modaal.min.css

611 ms

common.css

750 ms

parts.css

763 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 74% of them (20 requests) were addressed to the original Itsuki-s.com, 7% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Itsuki-s.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 52.8 kB (21%)

Content Size

247.4 kB

After Optimization

194.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Itsuki-s.com main page is 247.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Javascripts take 130.1 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 18.1 kB

  • Original 23.3 kB
  • After minification 18.1 kB
  • After compression 5.2 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 5.2 kB, which is 22% 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 18.1 kB or 78% of the original size.

Image Optimization

-32%

Potential reduce by 20.6 kB

  • Original 64.9 kB
  • After minification 44.3 kB

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, Itsuki S needs image optimization as it can save up to 20.6 kB or 32% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-5%

Potential reduce by 6.4 kB

  • Original 130.1 kB
  • After minification 130.1 kB
  • After compression 123.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-26%

Potential reduce by 7.7 kB

  • Original 29.1 kB
  • After minification 28.9 kB
  • After compression 21.4 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. Itsuki-s.com needs all CSS files to be minified and compressed as it can save up to 7.7 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (63%)

Requests Now

24

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Itsuki S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

itsuki-s.com

itsuki-s.com

317 ms

itsuki-s.com

itsuki-s.com

713 ms

modaal.min.css

modaal.min.css

611 ms

common.css

common.css

750 ms

parts.css

parts.css

763 ms

rental.css

rental.css

625 ms

system.js

system.js

910 ms

cookie.js

cookie.js

649 ms

utillity.js

utillity.js

1521 ms

modaal.min.js

modaal.min.js

1364 ms

cartInfoUpdate.js

cartInfoUpdate.js

1243 ms

markAttraction.js

markAttraction.js

1351 ms

jquery.min.js

jquery.min.js

24 ms

font-awesome.min.css

font-awesome.min.css

33 ms

user.css

user.css

1066 ms

user.js

user.js

1794 ms

userAfterLoading.js

userAfterLoading.js

1668 ms

itemSearch.js

itemSearch.js

1394 ms

logo.gif

logo.gif

606 ms

spMenu.png

spMenu.png

753 ms

sp_cart.png

sp_cart.png

758 ms

%E4%B8%AD%E5%AD%A63%E5%B9%B4%20%E4%BA%94%E3%83%84%E6%9C%A8%E3%81%AE%E6%A8%A1%E6%93%AC%E3%83%86%E3%82%B9%E3%83%88%E4%BC%9A_%E6%A8%AA600.jpg

%E4%B8%AD%E5%AD%A63%E5%B9%B4%20%E4%BA%94%E3%83%84%E6%9C%A8%E3%81%AE%E6%A8%A1%E6%93%AC%E3%83%86%E3%82%B9%E3%83%88%E4%BC%9A_%E6%A8%AA600.jpg

767 ms

analytics.js

analytics.js

77 ms

cart_icon.png

cart_icon.png

592 ms

collect

collect

14 ms

collect

collect

25 ms

js

js

60 ms

Accessibility Review

itsuki-s.com accessibility score

75

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

itsuki-s.com 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

SEO Factors

itsuki-s.com SEO score

92

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Itsuki-s.com 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 Itsuki-s.com 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

itsuki-s.com

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