Tools & Wizards About Us
jpgreen.or.jp screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    21% of websites

jpgreen.or.jp

一般財団法人日本緑化センター

Page Load Speed

4 sec in total

First Response

837 ms

Resources Loaded

3 sec

Page Rendered

184 ms

jpgreen.or.jp screenshot

About Website

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

一般財団法人日本緑化センターは、環境緑化を総合的に推進するため、緑化に関する総合的な調査研究、緑化技術の開発、緑化情報の収集・提供、緑化思想等の普及啓発を行います。樹木医、樹木医補、松保護士、自然再生士、自然再生士補の養成、日本の松原再生運動などを展開しています。

Visit jpgreen.or.jp

Key Findings

We analyzed Jpgreen.or.jp page load time and found that the first response time was 837 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

jpgreen.or.jp performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

23/100

25%

SI (Speed Index)

Value3.2 s

91/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value2.2 s

99/100

10%

Network Requests Diagram

jpgreen.or.jp

837 ms

top.css

337 ms

common.css

514 ms

heder_search.gif

345 ms

banner_mail.gif

353 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 97% of them (58 requests) were addressed to the original Jpgreen.or.jp, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Jpgreen.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 101.9 kB (13%)

Content Size

812.0 kB

After Optimization

710.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jpgreen.or.jp main page is 812.0 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 730.5 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 38.6 kB

  • Original 44.1 kB
  • After minification 16.2 kB
  • After compression 5.5 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 27.9 kB, which is 63% 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 38.6 kB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 36.3 kB

  • Original 730.5 kB
  • After minification 694.2 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. Jpgreen images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 971 B

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 5.9 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 971 B or 14% of the original size.

CSS Optimization

-85%

Potential reduce by 26.1 kB

  • Original 30.5 kB
  • After minification 23.0 kB
  • After compression 4.4 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. Jpgreen.or.jp needs all CSS files to be minified and compressed as it can save up to 26.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (39%)

Requests Now

59

After Optimization

36

  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jpgreen. 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.

Network Requests Diagram

jpgreen.or.jp

jpgreen.or.jp

837 ms

top.css

top.css

337 ms

common.css

common.css

514 ms

heder_search.gif

heder_search.gif

345 ms

banner_mail.gif

banner_mail.gif

353 ms

j_cpd_banner.png

j_cpd_banner.png

361 ms

bunner_s.jpg

bunner_s.jpg

645 ms

komi_topics.jpg

komi_topics.jpg

494 ms

top202404026.jpg

top202404026.jpg

1191 ms

spacer.gif

spacer.gif

568 ms

topphoto2012.jpg

topphoto2012.jpg

569 ms

shikaku.png

shikaku.png

656 ms

list_yajirushi_yohaku.gif

list_yajirushi_yohaku.gif

681 ms

top_gifuchou.jpg

top_gifuchou.jpg

687 ms

topphoto2012.jpg

topphoto2012.jpg

699 ms

toppage.jpg

toppage.jpg

652 ms

koza.png

koza.png

679 ms

komi_green.jpg

komi_green.jpg

541 ms

202405.jpg

202405.jpg

1537 ms

urchin.js

urchin.js

6 ms

komi_publish.jpg

komi_publish.jpg

549 ms

2024midori.jpg

2024midori.jpg

816 ms

komi_matsu.jpg

komi_matsu.jpg

678 ms

img_matu2.gif

img_matu2.gif

709 ms

back.gif

back.gif

516 ms

content_back.gif

content_back.gif

637 ms

header_back.jpg

header_back.jpg

1182 ms

heder_logo.jpg

heder_logo.jpg

684 ms

menu_home.gif

menu_home.gif

776 ms

menu_abot_ac.gif

menu_abot_ac.gif

813 ms

menu_abot.gif

menu_abot.gif

836 ms

menu_dctr_ac.gif

menu_dctr_ac.gif

854 ms

menu_dctr.gif

menu_dctr.gif

944 ms

menu_maho_ac.gif

menu_maho_ac.gif

974 ms

menu_maho.gif

menu_maho.gif

1003 ms

menu_saisei_ac.gif

menu_saisei_ac.gif

1023 ms

menu_saisei.gif

menu_saisei.gif

1108 ms

menu_supporter_ac.gif

menu_supporter_ac.gif

1136 ms

menu_supporter.gif

menu_supporter.gif

1171 ms

menu_lect_ac.gif

menu_lect_ac.gif

1192 ms

menu_lect.gif

menu_lect.gif

1270 ms

menu_city_ac.gif

menu_city_ac.gif

1298 ms

menu_city.gif

menu_city.gif

1338 ms

__utm.gif

__utm.gif

3 ms

menu_fact_ac.gif

menu_fact_ac.gif

1308 ms

menu_fact.gif

menu_fact.gif

1319 ms

menu_thep_ac.gif

menu_thep_ac.gif

1391 ms

menu_jyutaku.png

menu_jyutaku.png

1341 ms

menu_mesi_ac.gif

menu_mesi_ac.gif

1368 ms

menu_msei.gif

menu_msei.gif

1351 ms

menu_info_ac.gif

menu_info_ac.gif

1358 ms

menu_info.gif

menu_info.gif

1357 ms

menu_book_ac.gif

menu_book_ac.gif

1330 ms

menu_book.gif

menu_book.gif

1311 ms

menu_download_ac.gif

menu_download_ac.gif

1331 ms

menu_download.gif

menu_download.gif

1331 ms

list_yajirushi.gif

list_yajirushi.gif

1217 ms

main_right_back.jpg

main_right_back.jpg

1196 ms

sankaku_orange2.png

sankaku_orange2.png

1426 ms

img_matu_back3.gif

img_matu_back3.gif

1174 ms

Accessibility Review

jpgreen.or.jp accessibility score

57

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

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

Some elements have a [tabindex] value greater than 0

Best Practices

jpgreen.or.jp best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

SEO Factors

jpgreen.or.jp SEO score

58

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

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jpgreen.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 Jpgreen.or.jp 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

jpgreen.or.jp

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