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Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

org-chem.org

Page Load Speed

5.4 sec in total

First Response

890 ms

Resources Loaded

4.4 sec

Page Rendered

171 ms

org-chem.org screenshot

About Website

Click here to check amazing Org Chem content for Japan. Otherwise, check out these important facts you probably never knew about org-chem.org

Visit org-chem.org

Key Findings

We analyzed Org-chem.org page load time and found that the first response time was 890 ms and then it took 4.6 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

org-chem.org performance score

0

Network Requests Diagram

www.org-chem.org

890 ms

default.css

161 ms

ncounter.cgi

1028 ms

no.css

999 ms

no.js

998 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 55% of them (11 requests) were addressed to the original Org-chem.org, 20% (4 requests) were made to Bc.geocities.yahoo.co.jp and 10% (2 requests) were made to I.yimg.jp. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Ai.yimg.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.1 kB (60%)

Content Size

98.9 kB

After Optimization

39.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Org-chem.org main page is 98.9 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. Only 10% of websites need less resources to load. Javascripts take 60.3 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 3.2 kB

  • Original 5.4 kB
  • After minification 5.2 kB
  • After compression 2.2 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. 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 3.2 kB or 59% of the original size.

Image Optimization

-39%

Potential reduce by 9.6 kB

  • Original 24.9 kB
  • After minification 15.3 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, Org Chem needs image optimization as it can save up to 9.6 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 39.4 kB

  • Original 60.3 kB
  • After minification 58.6 kB
  • After compression 21.0 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 39.4 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 7.0 kB

  • Original 8.3 kB
  • After minification 7.7 kB
  • After compression 1.3 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. Org-chem.org needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (17%)

Requests Now

18

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Org Chem. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.org-chem.org

www.org-chem.org

890 ms

default.css

default.css

161 ms

ncounter.cgi

ncounter.cgi

1028 ms

no.css

no.css

999 ms

no.js

no.js

998 ms

geov2.js

geov2.js

1025 ms

logo1.png

logo1.png

466 ms

yuuki.gif

yuuki.gif

316 ms

origami.gif

origami.gif

333 ms

kokudou.gif

kokudou.gif

340 ms

ddt.gif

ddt.gif

348 ms

yodan.gif

yodan.gif

367 ms

face.gif

face.gif

471 ms

intro.gif

intro.gif

496 ms

back054.gif

back054.gif

163 ms

382116061

382116061

184 ms

clear.gif

clear.gif

675 ms

rapidjp-1.0.0.js

rapidjp-1.0.0.js

480 ms

lib2obf_b5.js

lib2obf_b5.js

1239 ms

yql

yql

1177 ms

SEO Factors

org-chem.org SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    JA

  • Encoding

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Org-chem.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Japanese. Our system also found out that Org-chem.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

org-chem.org

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