Tools & Wizards About Us
marimo-web.org screenshot

Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

marimo-web.org

阿寒湖のマリモ 公式サイト / 国の特別天然記念物 まりも / MARIMO Official Web Site

Page Load Speed

2.7 sec in total

First Response

546 ms

Resources Loaded

2 sec

Page Rendered

114 ms

marimo-web.org screenshot

About Website

Visit marimo-web.org now to see the best up-to-date MARIMO Web content for Japan and also check out these interesting facts you probably never knew about marimo-web.org

国の特別天然記念物　阿寒湖のマリモを紹介　MARIMO Web　マリモWebでは、最近の研究成果のほか、保護活動や生育地観察会などの様子、阿寒湖の観光イベントなど、マリモと阿寒湖に関する様々な情報を提供してまいります。

Visit marimo-web.org

Key Findings

We analyzed Marimo-web.org page load time and found that the first response time was 546 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

marimo-web.org performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.1 s

100/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.492

17/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

Network Requests Diagram

marimo-web.org

546 ms

marimo.css

171 ms

style.css

330 ms

AC_RunActiveContent.js

329 ms

marimo_btn.gif

171 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that all of those requests were addressed to Marimo-web.org and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Marimo-web.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.8 kB (37%)

Content Size

206.9 kB

After Optimization

130.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Marimo-web.org main page is 206.9 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 167.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 27.2 kB

  • Original 33.5 kB
  • After minification 26.8 kB
  • After compression 6.2 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 6.7 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 27.2 kB or 81% of the original size.

Image Optimization

-29%

Potential reduce by 48.2 kB

  • Original 167.9 kB
  • After minification 119.7 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. Obviously, MARIMO Web needs image optimization as it can save up to 48.2 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-34%

Potential reduce by 826 B

  • Original 2.4 kB
  • After minification 2.4 kB
  • After compression 1.6 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 826 B or 34% of the original size.

CSS Optimization

-19%

Potential reduce by 589 B

  • Original 3.2 kB
  • After minification 3.2 kB
  • After compression 2.6 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. Marimo-web.org needs all CSS files to be minified and compressed as it can save up to 589 B or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (46%)

Requests Now

35

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of MARIMO Web. 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

marimo-web.org

marimo-web.org

546 ms

marimo.css

marimo.css

171 ms

style.css

style.css

330 ms

AC_RunActiveContent.js

AC_RunActiveContent.js

329 ms

marimo_btn.gif

marimo_btn.gif

171 ms

marimo_btn2.gif

marimo_btn2.gif

166 ms

top_degin_r1_c2.jpg

top_degin_r1_c2.jpg

165 ms

top_degin2_r1_c3.jpg

top_degin2_r1_c3.jpg

328 ms

top_degin2_r1_c4.jpg

top_degin2_r1_c4.jpg

329 ms

top_degin2_r1_c7.jpg

top_degin2_r1_c7.jpg

329 ms

top_degin2_r1_c8.jpg

top_degin2_r1_c8.jpg

330 ms

top_degin2_r1_c9.jpg

top_degin2_r1_c9.jpg

338 ms

top_degin2_r1_c10.jpg

top_degin2_r1_c10.jpg

340 ms

top_degin2_r1_c11.jpg

top_degin2_r1_c11.jpg

491 ms

top_degin2_r1_c15.jpg

top_degin2_r1_c15.jpg

491 ms

top_degin_r1_c17.jpg

top_degin_r1_c17.jpg

492 ms

spacer.gif

spacer.gif

493 ms

spacer.gif

spacer.gif

506 ms

bbs_r1_c1.jpg

bbs_r1_c1.jpg

508 ms

bbs_r1_c3.jpg

bbs_r1_c3.jpg

653 ms

bbs_r3_c1.jpg

bbs_r3_c1.jpg

654 ms

bbs_r3_c3.jpg

bbs_r3_c3.jpg

655 ms

get_flash_player100.jpg

get_flash_player100.jpg

819 ms

marimo_sciencezero.jpg

marimo_sciencezero.jpg

842 ms

international%20symposium.png

international%20symposium.png

846 ms

marimo_hogokeikaku.png

marimo_hogokeikaku.png

978 ms

cover_120.jpg

cover_120.jpg

978 ms

top_degin2_r4_c12.jpg

top_degin2_r4_c12.jpg

817 ms

top_degin_r3_c6.jpg

top_degin_r3_c6.jpg

965 ms

bbs_r1_c2.jpg

bbs_r1_c2.jpg

951 ms

bbs_r2_c1.jpg

bbs_r2_c1.jpg

979 ms

bbs_r2_c3.jpg

bbs_r2_c3.jpg

983 ms

bbs_r3_c2.jpg

bbs_r3_c2.jpg

1109 ms

top_degin_r3_c14.jpg

top_degin_r3_c14.jpg

1110 ms

top_degin_r5_c3.jpg

top_degin_r5_c3.jpg

1113 ms

top_degin_r6_c3.jpg

top_degin_r6_c3.jpg

1115 ms

Accessibility Review

marimo-web.org accessibility score

73

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

marimo-web.org best practices score

75

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

Serves images with low resolution

SEO Factors

marimo-web.org SEO score

62

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

Document uses plugins

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 Marimo-web.org 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 Marimo-web.org 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

marimo-web.org

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