Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

yotsuba.co.jp

北海道のおいしさを、まっすぐ。よつ葉

Page Load Speed

11.1 sec in total

First Response

1.7 sec

Resources Loaded

8.7 sec

Page Rendered

682 ms

yotsuba.co.jp screenshot

About Website

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

北海道のおいしさを、まっすぐ。よつ葉北海道のおいしさをまっすぐ。よつ葉乳業株式会社のWebサイトです。よつ葉乳業の牛乳や乳製品の商品情報、キャンペーン、レシピ、バーチャル工場見学を紹介しています。

Visit yotsuba.co.jp

Key Findings

We analyzed Yotsuba.co.jp page load time and found that the first response time was 1.7 sec and then it took 9.4 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

yotsuba.co.jp performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

www.yotsuba.co.jp

1706 ms

reset.css

321 ms

common.css

320 ms

top.css

694 ms

slick.min.css

349 ms

Our browser made a total of 124 requests to load all elements on the main page. We found that 90% of them (111 requests) were addressed to the original Yotsuba.co.jp, 5% (6 requests) were made to Google.com and 2% (3 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Yotsuba.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 565.9 kB (15%)

Content Size

3.9 MB

After Optimization

3.3 MB

In fact, the total size of Yotsuba.co.jp main page is 3.9 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. 65% of websites need less resources to load. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 54.4 kB

  • Original 64.9 kB
  • After minification 54.3 kB
  • After compression 10.6 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. This page needs HTML code to be minified as it can gain 10.6 kB, which is 16% 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 54.4 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 168.3 kB

  • Original 3.3 MB
  • After minification 3.1 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. Yotsuba images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 278.7 kB

  • Original 458.4 kB
  • After minification 429.0 kB
  • After compression 179.7 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 278.7 kB or 61% of the original size.

CSS Optimization

-84%

Potential reduce by 64.4 kB

  • Original 76.7 kB
  • After minification 57.6 kB
  • After compression 12.3 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. Yotsuba.co.jp needs all CSS files to be minified and compressed as it can save up to 64.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (24%)

Requests Now

121

After Optimization

92

The browser has sent 121 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yotsuba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

yotsuba.co.jp accessibility score

83

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

[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.

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

yotsuba.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

yotsuba.co.jp SEO score

100

Search Engine Optimization Advices

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 Yotsuba.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 Yotsuba.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

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