Tools & Wizards About Us
jw-shop.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

jw-shop.com

カスタムキーボード・キーボード用キースイッチ 押しボタンスイッチ | ジェイダブルシステム

Page Load Speed

4 sec in total

First Response

1.1 sec

Resources Loaded

2.6 sec

Page Rendered

264 ms

jw-shop.com screenshot

About Website

Click here to check amazing Jw Shop content for Japan. Otherwise, check out these important facts you probably never knew about jw-shop.com

POSレジなど、目的に応じた業務用途向け標準キーボード多種用意しています。用途に応じたカスタムキーボード製作、スイッチを配列したキーボードモジュール各タイプ製作を行っています。部品として、キーボード用キースイッチ、押しボタンスイッチ単体での提供も行っています。

Visit jw-shop.com

Key Findings

We analyzed Jw-shop.com page load time and found that the first response time was 1.1 sec and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

jw-shop.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.0 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

jw-shop.com

1099 ms

alcomn.css

361 ms

head.css

364 ms

foot.css

362 ms

menu-row.css

364 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 90% of them (38 requests) were addressed to the original Jw-shop.com, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Custom.search.yahoo.co.jp. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Jw-shop.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 104.1 kB (26%)

Content Size

397.5 kB

After Optimization

293.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jw-shop.com main page is 397.5 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. Images take 271.5 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 37.5 kB

  • Original 44.1 kB
  • After minification 34.8 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 9.3 kB, which is 21% 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 37.5 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 9.7 kB

  • Original 271.5 kB
  • After minification 261.8 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. Jw Shop images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 33.4 kB

  • Original 54.8 kB
  • After minification 54.6 kB
  • After compression 21.4 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 33.4 kB or 61% of the original size.

CSS Optimization

-87%

Potential reduce by 23.5 kB

  • Original 27.2 kB
  • After minification 11.2 kB
  • After compression 3.6 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. Jw-shop.com needs all CSS files to be minified and compressed as it can save up to 23.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (40%)

Requests Now

40

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jw Shop. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jw-shop.com

jw-shop.com

1099 ms

alcomn.css

alcomn.css

361 ms

head.css

head.css

364 ms

foot.css

foot.css

362 ms

menu-row.css

menu-row.css

364 ms

menu-col.css

menu-col.css

373 ms

menu-cate.css

menu-cate.css

535 ms

popup.js

popup.js

542 ms

rvmenu.js

rvmenu.js

542 ms

detail.css

detail.css

771 ms

menu-row-sub.css

menu-row-sub.css

710 ms

hanyou_key.css

hanyou_key.css

899 ms

index.css

index.css

720 ms

analytics.js

analytics.js

35 ms

Tj8ac5RtPY_A2rJO5LsynwCgnq.7B0uX2TuSa08bPQ--.gif

Tj8ac5RtPY_A2rJO5LsynwCgnq.7B0uX2TuSa08bPQ--.gif

684 ms

back.gif

back.gif

182 ms

headback1.png

headback1.png

368 ms

logo-jw-system-top00.gif

logo-jw-system-top00.gif

183 ms

home.png

home.png

182 ms

cart.png

cart.png

183 ms

add-tell_img.png

add-tell_img.png

381 ms

custom-rogo.png

custom-rogo.png

365 ms

icon03.png

icon03.png

362 ms

spacer.gif

spacer.gif

366 ms

led.png

led.png

540 ms

pwdby80.png

pwdby80.png

541 ms

obj_programmable.png

obj_programmable.png

540 ms

icon02.gif

icon02.gif

542 ms

obj_lcddisplaykeyboard.png

obj_lcddisplaykeyboard.png

543 ms

obj_mechakeyboardmodule.png

obj_mechakeyboardmodule.png

751 ms

obj_mechakeyswitch.png

obj_mechakeyswitch.png

720 ms

obj_housingkeyboardmodule.png

obj_housingkeyboardmodule.png

720 ms

obj_sheetkeyboardmodule.png

obj_sheetkeyboardmodule.png

900 ms

obj_flatkeyboardmodule.png

obj_flatkeyboardmodule.png

900 ms

obj_ioconvert.png

obj_ioconvert.png

728 ms

obj_lightswitch.png

obj_lightswitch.png

899 ms

obj_touch-panel.png

obj_touch-panel.png

901 ms

obj_customizekey.png

obj_customizekey.png

907 ms

obj_count.gif

obj_count.gif

935 ms

dream.cgi

dream.cgi

1102 ms

collect

collect

12 ms

collect

collect

63 ms

Accessibility Review

jw-shop.com accessibility score

90

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.

Best Practices

jw-shop.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

jw-shop.com SEO score

89

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jw-shop.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Jw-shop.com main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

jw-shop.com

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