Tools & Wizards About Us
onenext.co.jp screenshot

Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

onenext.co.jp

縮毛矯正専門ヘアサロン｜A･One｜最高品質の施術で理想のストレートヘアに

Page Load Speed

6.2 sec in total

First Response

572 ms

Resources Loaded

4.9 sec

Page Rendered

693 ms

onenext.co.jp screenshot

About Website

Visit onenext.co.jp now to see the best up-to-date One Next content and also check out these interesting facts you probably never knew about onenext.co.jp

縮毛矯正専門ヘアサロン「A･One」。1990年に表参道にオープンして以来、100万人以上のお客さまの髪の悩みに応え続けてきました。クセ毛を知り尽くした専門店ならではの技術で驚きのナチュラルストレートヘアーに。

Visit onenext.co.jp

Key Findings

We analyzed Onenext.co.jp page load time and found that the first response time was 572 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

onenext.co.jp performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

onenext.co.jp

572 ms

onenext.co.jp

959 ms

base.css

165 ms

home.css

331 ms

home2.css

493 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 92% of them (78 requests) were addressed to the original Onenext.co.jp, 2% (2 requests) were made to Googletagmanager.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Onenext.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.5 MB (60%)

Content Size

4.1 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Onenext.co.jp main page is 4.1 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. 45% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 24.8 kB

  • Original 33.3 kB
  • After minification 28.8 kB
  • After compression 8.6 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 4.5 kB, which is 14% 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 24.8 kB or 74% of the original size.

Image Optimization

-60%

Potential reduce by 2.3 MB

  • Original 3.9 MB
  • After minification 1.5 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. Obviously, One Next needs image optimization as it can save up to 2.3 MB or 60% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-54%

Potential reduce by 73.2 kB

  • Original 136.0 kB
  • After minification 134.7 kB
  • After compression 62.8 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 73.2 kB or 54% of the original size.

CSS Optimization

-83%

Potential reduce by 31.3 kB

  • Original 37.9 kB
  • After minification 29.1 kB
  • After compression 6.5 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. Onenext.co.jp needs all CSS files to be minified and compressed as it can save up to 31.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (15%)

Requests Now

82

After Optimization

70

  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of One Next. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

onenext.co.jp

onenext.co.jp

572 ms

onenext.co.jp

onenext.co.jp

959 ms

base.css

base.css

165 ms

home.css

home.css

331 ms

home2.css

home2.css

493 ms

css2

css2

41 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

660 ms

jquery.libs.js

jquery.libs.js

529 ms

common.js

common.js

528 ms

home.js

home.js

563 ms

js

js

63 ms

js

js

106 ms

conversion.js

conversion.js

93 ms

reset.css

reset.css

399 ms

layout.css

layout.css

493 ms

logo.gif

logo.gif

168 ms

menu.png

menu.png

380 ms

menu_tel.png

menu_tel.png

356 ms

btn_reserve.png

btn_reserve.png

182 ms

icon_line.svg

icon_line.svg

194 ms

instagram.svg

instagram.svg

167 ms

youtube_social_square_red.png

youtube_social_square_red.png

332 ms

tiktok-logo.svg

tiktok-logo.svg

333 ms

bg_gnav.gif

bg_gnav.gif

360 ms

gnav01.png

gnav01.png

391 ms

gnav02.png

gnav02.png

497 ms

gnav03.png

gnav03.png

498 ms

gnav04.png

gnav04.png

532 ms

gnav05.png

gnav05.png

538 ms

gnav06.png

gnav06.png

565 ms

gnav07.png

gnav07.png

579 ms

logo_smp.png

logo_smp.png

663 ms

close.png

close.png

825 ms

main_visual_01.jpg

main_visual_01.jpg

883 ms

main_visual_02.jpg

main_visual_02.jpg

1063 ms

main_visual_03.jpg

main_visual_03.jpg

1129 ms

main_visual_08.jpg

main_visual_08.jpg

1325 ms

btn_page_on.png

btn_page_on.png

827 ms

btn_page_off.png

btn_page_off.png

990 ms

bg_concept.png

bg_concept.png

1319 ms

bg_icon_02.gif

bg_icon_02.gif

1060 ms

bg_icon_03.gif

bg_icon_03.gif

1156 ms

bg_icon_01.gif

bg_icon_01.gif

1238 ms

arrow.svg

arrow.svg

1238 ms

bg_about.png

bg_about.png

1316 ms

about01.jpg

about01.jpg

1483 ms

about02.jpg

about02.jpg

1591 ms

pc_banner_report.png

pc_banner_report.png

1766 ms

pc_mens_banner.png

pc_mens_banner.png

2075 ms

catalog01.jpg

catalog01.jpg

1483 ms

catalog02.jpg

catalog02.jpg

1400 ms

xn71YHs72GKoTvER4Gn3b5eMRtWGkp6o7MjQ2bwxOubA.ttf

xn71YHs72GKoTvER4Gn3b5eMRtWGkp6o7MjQ2bwxOubA.ttf

140 ms

47 ms

catalog03.jpg

catalog03.jpg

1490 ms

catalog04.jpg

catalog04.jpg

1489 ms

catalog05.jpg

catalog05.jpg

1531 ms

45 ms

catalog06.jpg

catalog06.jpg

1582 ms

catalog07.jpg

catalog07.jpg

1491 ms

catalog08.jpg

catalog08.jpg

1490 ms

catalog09.jpg

catalog09.jpg

1548 ms

catalog10.jpg

catalog10.jpg

1592 ms

icon_q.png

icon_q.png

1577 ms

icon_voice.png

icon_voice.png

1598 ms

menu_03.jpg

menu_03.jpg

1491 ms

menu_04.jpg

menu_04.jpg

1594 ms

menu_01.jpg

menu_01.jpg

1598 ms

menu_02.jpg

menu_02.jpg

1598 ms

bg_tr_even.gif

bg_tr_even.gif

1587 ms

btn_pagetop.gif

btn_pagetop.gif

1575 ms

text_copyright.gif

text_copyright.gif

1608 ms

bg_footer_navi.gif

bg_footer_navi.gif

1457 ms

bg_nav_about.png

bg_nav_about.png

1479 ms

bg_nav_work.png

bg_nav_work.png

1428 ms

bg_nav_contact_tel.png

bg_nav_contact_tel.png

1325 ms

bg_nav_contact_email.png

bg_nav_contact_email.png

1256 ms

bg_footer_sitemap.gif

bg_footer_sitemap.gif

1398 ms

bg_copyright.gif

bg_copyright.gif

1343 ms

gnav01_ov.png

gnav01_ov.png

1325 ms

gnav02_ov.png

gnav02_ov.png

1248 ms

gnav03_ov.png

gnav03_ov.png

1240 ms

gnav04_ov.png

gnav04_ov.png

1165 ms

gnav05_ov.png

gnav05_ov.png

1331 ms

gnav06_ov.png

gnav06_ov.png

1335 ms

gnav07_ov.png

gnav07_ov.png

1162 ms

Accessibility Review

onenext.co.jp accessibility score

76

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.

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

Links do not have a discernible name

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

onenext.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

SEO Factors

onenext.co.jp SEO score

99

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

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 Onenext.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 Onenext.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

onenext.co.jp

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