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jaos.co.jp screenshot

Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

jaos.co.jp

JAOS

Page Load Speed

8 sec in total

First Response

540 ms

Resources Loaded

7.2 sec

Page Rendered

283 ms

jaos.co.jp screenshot

About Website

Click here to check amazing JAOS content for Taiwan. Otherwise, check out these important facts you probably never knew about jaos.co.jp

株式会社ジャオス オフィシャルサイトです。

Visit jaos.co.jp

Key Findings

We analyzed Jaos.co.jp page load time and found that the first response time was 540 ms and then it took 7.5 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

jaos.co.jp performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value73.9 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.522

15/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

jaos.co.jp

540 ms

www.jaos.co.jp

1246 ms

styles.css

1004 ms

top.css

503 ms

add_styles.css

516 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 88% of them (69 requests) were addressed to the original Jaos.co.jp, 3% (2 requests) were made to Maxcdn.bootstrapcdn.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Jaos.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 550.8 kB (3%)

Content Size

21.4 MB

After Optimization

20.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jaos.co.jp main page is 21.4 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. 50% of websites need less resources to load. Images take 20.7 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 44.7 kB

  • Original 53.4 kB
  • After minification 41.8 kB
  • After compression 8.7 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 11.6 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 44.7 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 64.5 kB

  • Original 20.7 MB
  • After minification 20.7 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. JAOS images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 292.1 kB

  • Original 405.2 kB
  • After minification 352.8 kB
  • After compression 113.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 292.1 kB or 72% of the original size.

CSS Optimization

-82%

Potential reduce by 149.5 kB

  • Original 181.3 kB
  • After minification 177.6 kB
  • After compression 31.8 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. Jaos.co.jp needs all CSS files to be minified and compressed as it can save up to 149.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (29%)

Requests Now

75

After Optimization

53

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JAOS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jaos.co.jp

jaos.co.jp

540 ms

www.jaos.co.jp

www.jaos.co.jp

1246 ms

styles.css

styles.css

1004 ms

top.css

top.css

503 ms

add_styles.css

add_styles.css

516 ms

import.js

import.js

504 ms

platform.js

platform.js

31 ms

ajaxzip3.js

ajaxzip3.js

34 ms

element.js

element.js

57 ms

font-awesome.min.css

font-awesome.min.css

28 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

337 ms

smoothScroll.js

smoothScroll.js

352 ms

jquery.matchHeight-min.js

jquery.matchHeight-min.js

169 ms

jquery.resizeend.min.js

jquery.resizeend.min.js

176 ms

jquery.sliderPro.min.js

jquery.sliderPro.min.js

837 ms

slick.js

slick.js

836 ms

jquery.plainmodal.js

jquery.plainmodal.js

526 ms

spritespin.min.js

spritespin.min.js

504 ms

lightgallery.min.js

lightgallery.min.js

700 ms

modules.js

modules.js

700 ms

common.js

common.js

671 ms

header.js

header.js

700 ms

gtm.js

gtm.js

131 ms

logo.png

logo.png

174 ms

240418_lc250.jpg

240418_lc250.jpg

2146 ms

240217_TOP_GX550.jpg

240217_TOP_GX550.jpg

1839 ms

top-jaos2023.jpg

top-jaos2023.jpg

2276 ms

220124_lc300.jpg

220124_lc300.jpg

1677 ms

230224_hlx_grs02.jpg

230224_hlx_grs02.jpg

2624 ms

230224_rav4.jpg

230224_rav4.jpg

1518 ms

220517_frck_150_02.jpg

220517_frck_150_02.jpg

2027 ms

211223_ycrs.jpg

211223_ycrs.jpg

2183 ms

210820_d5.jpg

210820_d5.jpg

2679 ms

210820_jb74.jpg

210820_jb74.jpg

2373 ms

190731_jb64.jpg

190731_jb64.jpg

2499 ms

200528_jl.jpg

200528_jl.jpg

2690 ms

top3_vcl_2209.jpg

top3_vcl_2209.jpg

2451 ms

top3_prdct_2209.jpg

top3_prdct_2209.jpg

2542 ms

top3_whl2209_katei.jpg

top3_whl2209_katei.jpg

2627 ms

title_news.png

title_news.png

2674 ms

B135392MB_01_1200w.jpg

B135392MB_01_1200w.jpg

2710 ms

B686501_01_1200w.jpg

B686501_01_1200w.jpg

2798 ms

B622392F_03_1200w.jpg

B622392F_03_1200w.jpg

2803 ms

B172367BK_01_1200w.jpg

B172367BK_01_1200w.jpg

2851 ms

title_event.png

title_event.png

2847 ms

%E3%82%B3%E3%83%B3%E3%83%86%E3%83%B3%E3%83%84%E3%83%90%E3%83%8A%E3%83%BC_2210_wheel.jpg

%E3%82%B3%E3%83%B3%E3%83%86%E3%83%B3%E3%83%84%E3%83%90%E3%83%8A%E3%83%BC_2210_wheel.jpg

2858 ms

%E3%82%B3%E3%83%B3%E3%83%86%E3%83%B3%E3%83%84%E3%83%90%E3%83%8A%E3%83%BC_2210_teamjaos.jpg

%E3%82%B3%E3%83%B3%E3%83%86%E3%83%B3%E3%83%84%E3%83%90%E3%83%8A%E3%83%BC_2210_teamjaos.jpg

2878 ms

img08.jpg

img08.jpg

2972 ms

media_181122.jpg

media_181122.jpg

2977 ms

img05.jpg

img05.jpg

3013 ms

%E3%82%B3%E3%83%B3%E3%83%86%E3%83%B3%E3%83%84%E3%83%90%E3%83%8A%E3%83%BC_2210_photo.jpg

%E3%82%B3%E3%83%B3%E3%83%86%E3%83%B3%E3%83%84%E3%83%90%E3%83%8A%E3%83%BC_2210_photo.jpg

3026 ms

catalog_181122.jpg

catalog_181122.jpg

3025 ms

column_191101.jpg

column_191101.jpg

3046 ms

facebook.png

facebook.png

3146 ms

instagram.png

instagram.png

3152 ms

twitter.png

twitter.png

3180 ms

youtube.png

youtube.png

3192 ms

blog.png

blog.png

3201 ms

sdk.js

sdk.js

92 ms

page_top.png

page_top.png

3205 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

33 ms

sdk.js

sdk.js

6 ms

js

js

53 ms

login.png

login.png

3152 ms

regist.png

regist.png

1812 ms

cart.png

cart.png

1672 ms

search.png

search.png

1522 ms

gnav.png

gnav.png

1352 ms

facebook-white.png

facebook-white.png

1238 ms

instagram-white.png

instagram-white.png

1317 ms

twitter-white.png

twitter-white.png

1230 ms

youtube-white.png

youtube-white.png

1143 ms

blog-white.png

blog-white.png

1078 ms

warning.png

warning.png

1055 ms

arrow_right-gray.png

arrow_right-gray.png

1009 ms

openhand.cur

openhand.cur

1051 ms

slider_prev.png

slider_prev.png

1053 ms

slider_next.png

slider_next.png

1009 ms

Accessibility Review

jaos.co.jp accessibility score

58

Accessibility Issues

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

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

jaos.co.jp 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jaos.co.jp SEO score

83

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

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 Jaos.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 Jaos.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

jaos.co.jp

Open Graph data is detected on the main page of JAOS. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: