Tools & Wizards About Us
yotsuba.co.jp screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

yotsuba.co.jp

北海道のおいしさを、まっすぐ。よつ葉

Page Load Speed

10 sec in total

First Response

541 ms

Resources Loaded

9.1 sec

Page Rendered

382 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 541 ms and then it took 9.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

yotsuba.co.jp performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

4/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value14.9 s

1/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.637

9/100

15%

TTI (Time to Interactive)

Value21.1 s

1/100

10%

Network Requests Diagram

yotsuba.co.jp

541 ms

www.yotsuba.co.jp

1561 ms

reset.css

579 ms

common.css

944 ms

top.css

1322 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 95% of them (87 requests) were addressed to the original Yotsuba.co.jp, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Yotsuba.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 149.8 kB (5%)

Content Size

3.0 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yotsuba.co.jp main page is 3.0 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. 30% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 30.4 kB

  • Original 36.9 kB
  • After minification 26.6 kB
  • After compression 6.6 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 10.3 kB, which is 28% 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 30.4 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 110.6 kB

  • Original 2.8 MB
  • After minification 2.7 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. Yotsuba images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 6.8 kB

  • Original 113.9 kB
  • After minification 113.8 kB
  • After compression 107.1 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

-13%

Potential reduce by 2.0 kB

  • Original 14.8 kB
  • After minification 14.8 kB
  • After compression 12.8 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 2.0 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 42 (47%)

Requests Now

90

After Optimization

48

  • Images
  • JavaScript
  • CSS

The browser has sent 90 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 19 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

yotsuba.co.jp

yotsuba.co.jp

541 ms

www.yotsuba.co.jp

www.yotsuba.co.jp

1561 ms

reset.css

reset.css

579 ms

common.css

common.css

944 ms

top.css

top.css

1322 ms

slick.min.css

slick.min.css

1416 ms

colorbox.css

colorbox.css

1438 ms

jquery.js

jquery.js

1420 ms

easing.js

easing.js

1309 ms

html5shiv.js

html5shiv.js

1428 ms

html5shiv-printshiv.js

html5shiv-printshiv.js

1674 ms

jqueryautoheight.js

jqueryautoheight.js

1711 ms

common.js

common.js

1777 ms

ie8.js

ie8.js

1830 ms

slick.min.js

slick.min.js

1807 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

1806 ms

top.js

top.js

2038 ms

styles.css

styles.css

2099 ms

se-styles.css

se-styles.css

2181 ms

pagenavi-css.css

pagenavi-css.css

2226 ms

style.css

style.css

2175 ms

jquery.js

jquery.js

2222 ms

jquery-migrate.min.js

jquery-migrate.min.js

2403 ms

js

js

63 ms

splide.min.js

splide.min.js

39 ms

splide.min.css

splide.min.css

57 ms

jquery.form.min.js

jquery.form.min.js

2304 ms

scripts.js

scripts.js

2379 ms

ytag.js

ytag.js

891 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

493 ms

logo_img_01.png

logo_img_01.png

365 ms

menu.svg

menu.svg

370 ms

sp_head_logo.png

sp_head_logo.png

378 ms

sp_menu_close.svg

sp_menu_close.svg

428 ms

b.png

b.png

522 ms

head_icon_01.png

head_icon_01.png

550 ms

head_icon_02.png

head_icon_02.png

773 ms

head_icon_03.png

head_icon_03.png

781 ms

head_icon_04.png

head_icon_04.png

798 ms

head_icon_06.png

head_icon_06.png

815 ms

head_icon_05.png

head_icon_05.png

925 ms

Instagram.png

Instagram.png

917 ms

facebook.png

facebook.png

1180 ms

twitter.png

twitter.png

1193 ms

line.png

line.png

1217 ms

spmain_bg_01.jpeg

spmain_bg_01.jpeg

1707 ms

movie_img_01.jpg

movie_img_01.jpg

1934 ms

main_text_01.png

main_text_01.png

1287 ms

sublogo_bg_01.png

sublogo_bg_01.png

1582 ms

onlineshop.png

onlineshop.png

1602 ms

top_bnr_kai6.jpg

top_bnr_kai6.jpg

1635 ms

slidebnr_milk.jpg

slidebnr_milk.jpg

2243 ms

slidebnr_yogurt.jpg

slidebnr_yogurt.jpg

1985 ms

slidebnr_cheese.jpg

slidebnr_cheese.jpg

2012 ms

slidebnr_butter.jpg

slidebnr_butter.jpg

2588 ms

slidebnr_ice.jpg

slidebnr_ice.jpg

2417 ms

slidebnr_chilled.jpg

slidebnr_chilled.jpg

2346 ms

slidebnr_miruru.jpg

slidebnr_miruru.jpg

2369 ms

slide_banner01.jpg

slide_banner01.jpg

2381 ms

a.png

a.png

2627 ms

next_button.svg

next_button.svg

2758 ms

product05.png

product05.png

2734 ms

product06.png

product06.png

2729 ms

gtm.js

gtm.js

60 ms

product07.png

product07.png

2701 ms

product08.png

product08.png

2832 ms

product09.png

product09.png

2820 ms

product010.png

product010.png

2737 ms

product011.png

product011.png

2753 ms

product013.png

product013.png

2753 ms

13728-160x160.png

13728-160x160.png

2704 ms

13499-160x160.png

13499-160x160.png

2846 ms

20826-160x160.png

20826-160x160.png

2827 ms

cart_mark.png

cart_mark.png

2735 ms

contents01.png

contents01.png

2752 ms

contents02.png

contents02.png

2743 ms

contents03.png

contents03.png

2703 ms

contents04.png

contents04.png

2847 ms

aside_bnr_01.jpg

aside_bnr_01.jpg

2835 ms

aside_bnr_02.jpg

aside_bnr_02.jpg

2711 ms

aside_bnr_03.jpg

aside_bnr_03.jpg

2670 ms

aside_bnr_05.png

aside_bnr_05.png

2685 ms

aside_bnr_04.jpg

aside_bnr_04.jpg

2623 ms

aside_bnr_sns.jpg

aside_bnr_sns.jpg

2798 ms

link_icon_06.gif

link_icon_06.gif

2540 ms

pagetop_btn_01.png

pagetop_btn_01.png

2574 ms

blank.png

blank.png

2592 ms

blank_gray.png

blank_gray.png

2377 ms

movie_bg_01.png

movie_bg_01.png

2333 ms

blank_w.png

blank_w.png

2551 ms

arrow_next.svg

arrow_next.svg

2357 ms

link_icon_03.png

link_icon_03.png

2359 ms

Accessibility Review

yotsuba.co.jp accessibility score

89

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.

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

yotsuba.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

High

Page has valid source maps

SEO Factors

yotsuba.co.jp SEO score

91

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

High

Tap targets are not sized appropriately

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

yotsuba.co.jp

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: