Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

jawic.or.jp

一般財団法人 日本木材総合情報センター

Page Load Speed

4.4 sec in total

First Response

881 ms

Resources Loaded

3.2 sec

Page Rendered

339 ms

jawic.or.jp screenshot

About Website

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

木材・住宅関係業界の方に最近の木材関係トピックス、原木需給、国内・海外の木材需給、価格情報、木材利用に関する情報を発信。

Visit jawic.or.jp

Key Findings

We analyzed Jawic.or.jp page load time and found that the first response time was 881 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

jawic.or.jp performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value3.2 s

72/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.608

10/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

jawic.or.jp

881 ms

html5reset.css

325 ms

main_css.php

350 ms

top_css.php

364 ms

jquery-1.6.1.min.js

1281 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 96% of them (48 requests) were addressed to the original Jawic.or.jp, 2% (1 request) were made to Ac3.i2iserv.com and 2% (1 request) were made to Kidukai.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Jawic.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 159.1 kB (48%)

Content Size

334.7 kB

After Optimization

175.7 kB

In fact, the total size of Jawic.or.jp main page is 334.7 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. 20% of websites need less resources to load. Images take 130.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 80.7 kB

  • Original 93.8 kB
  • After minification 75.0 kB
  • After compression 13.1 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 18.7 kB, which is 20% 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 80.7 kB or 86% of the original size.

Image Optimization

-4%

Potential reduce by 5.5 kB

  • Original 130.6 kB
  • After minification 125.1 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. Jawic images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 71.6 kB

  • Original 108.5 kB
  • After minification 108.0 kB
  • After compression 36.9 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 71.6 kB or 66% of the original size.

CSS Optimization

-69%

Potential reduce by 1.3 kB

  • Original 1.9 kB
  • After minification 1.2 kB
  • After compression 584 B

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. Jawic.or.jp needs all CSS files to be minified and compressed as it can save up to 1.3 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (20%)

Requests Now

49

After Optimization

39

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jawic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

jawic.or.jp accessibility score

62

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.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

jawic.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

jawic.or.jp SEO score

67

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

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 Jawic.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 Jawic.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 Jawic. 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: