Tools & Wizards About Us

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

csee.org.tw

中華民國環境教育學會Society for Environmental Education in Taiwan

Page Load Speed

27.9 sec in total

First Response

819 ms

Resources Loaded

22.4 sec

Page Rendered

4.7 sec

About Website

Click here to check amazing Csee Org content. Otherwise, check out these important facts you probably never knew about csee.org.tw

環教學會呼應一九七Ο年代的國際環境教育潮流，國內熱心環境保護的學者與專業人士積極推動我國的環教學會。民國七十六年環保署成立，規劃了五年環境教育計畫，開啟我國重視環境教育的潮流；而同時期，負責基礎研究的國科會，也規劃環境教育學門並資助進行環境教育相關的研究計畫；然後行政院通過環境教育要項，交由教育部執行，一時環境教育成為學界與民間共同矚目的焦點。

Visit csee.org.tw

Key Findings

We analyzed Csee.org.tw page load time and found that the first response time was 819 ms and then it took 27.1 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

csee.org.tw performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value100.0 s

0/100

25%

SI (Speed Index)

Value44.5 s

0/100

10%

TBT (Total Blocking Time)

Value1,560 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.225

55/100

15%

TTI (Time to Interactive)

Value96.7 s

0/100

10%

Network Requests Diagram

csee.org.tw

819 ms

csee.org.tw

790 ms

www.csee.org.tw

2490 ms

swiper-bundle.min.css

37 ms

aos.css

44 ms

Our browser made a total of 144 requests to load all elements on the main page. We found that 5% of them (7 requests) were addressed to the original Csee.org.tw, 83% (120 requests) were made to Plus.webdo.com.tw and 5% (7 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (15.6 sec) relates to the external source Plus.webdo.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (17%)

Content Size

14.6 MB

After Optimization

12.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Csee.org.tw main page is 14.6 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. 65% of websites need less resources to load. Images take 13.1 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 81.7 kB

  • Original 96.3 kB
  • After minification 83.7 kB
  • After compression 14.6 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 12.6 kB, which is 13% 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 81.7 kB or 85% of the original size.

Image Optimization

-13%

Potential reduce by 1.7 MB

  • Original 13.1 MB
  • After minification 11.5 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. Obviously, Csee Org needs image optimization as it can save up to 1.7 MB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-44%

Potential reduce by 486.0 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 627.8 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 486.0 kB or 44% of the original size.

CSS Optimization

-84%

Potential reduce by 218.6 kB

  • Original 260.2 kB
  • After minification 242.9 kB
  • After compression 41.6 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. Csee.org.tw needs all CSS files to be minified and compressed as it can save up to 218.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 75 (57%)

Requests Now

131

After Optimization

56

  • Images
  • JavaScript
  • CSS

The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csee Org. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

csee.org.tw accessibility score

92

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Best Practices

csee.org.tw 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

csee.org.tw SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csee.org.tw can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed Chinese language. Our system also found out that Csee.org.tw 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 data is detected on the main page of Csee Org. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: