Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

jcwa.or.jp

一般社団法人 日本時計協会 (JCWA)

Page Load Speed

4.8 sec in total

First Response

546 ms

Resources Loaded

4 sec

Page Rendered

235 ms

About Website

Click here to check amazing JCWA content for Japan. Otherwise, check out these important facts you probably never knew about jcwa.or.jp

一般社団法人 日本時計協会(JCWA)の公式サイト。時計（ウオッチ、クロック）に関する知識・技術・性能・機能・仕様・保守・修理、時計の統計情報、時計の歴史、時の歴史、時に関する知識、ミュージアム情報、時計と環境、ニセモノ時計など、時と時計に関するさまざまな情報を提供。時と時計のキッズ（こども）サイトも併設。

Visit jcwa.or.jp

Key Findings

We analyzed Jcwa.or.jp page load time and found that the first response time was 546 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

jcwa.or.jp performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value590 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.357

30/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

jcwa.or.jp

546 ms

jcwa.or.jp

884 ms

normalize.css

348 ms

style_jp.css

813 ms

jquery.js

832 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 81% of them (55 requests) were addressed to the original Jcwa.or.jp, 10% (7 requests) were made to Google.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Jcwa.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 414.5 kB (20%)

Content Size

2.1 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jcwa.or.jp main page is 2.1 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 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 39.5 kB

  • Original 47.8 kB
  • After minification 45.7 kB
  • After compression 8.3 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 39.5 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 69.8 kB

  • Original 1.5 MB
  • After minification 1.4 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. JCWA images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 169.4 kB

  • Original 420.4 kB
  • After minification 399.0 kB
  • After compression 251.0 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 169.4 kB or 40% of the original size.

CSS Optimization

-82%

Potential reduce by 135.7 kB

  • Original 165.2 kB
  • After minification 128.5 kB
  • After compression 29.5 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. Jcwa.or.jp needs all CSS files to be minified and compressed as it can save up to 135.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (31%)

Requests Now

65

After Optimization

45

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JCWA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jcwa.or.jp accessibility score

94

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

jcwa.or.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

jcwa.or.jp SEO score

92

Search Engine Optimization Advices

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 Jcwa.or.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 Jcwa.or.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 JCWA. 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: