Tools & Wizards About Us

Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 81% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

teldap.tw

數位典藏與數位學習國家型科技計畫, Taiwan e-Learning and Digital Archives Program, TELDAP

Page Load Speed

4.8 sec in total

First Response

1 sec

Resources Loaded

3.6 sec

Page Rendered

153 ms

About Website

Welcome to teldap.tw homepage info - get ready to check TELDAP best content for Taiwan right away, or after learning these important things about teldap.tw

呈現臺灣多樣性，深化數位學習！數位典藏與數位學習國家型科技計畫是由行政院國家科學委員會所執行的國家型科技計畫...

Visit teldap.tw

Key Findings

We analyzed Teldap.tw page load time and found that the first response time was 1 sec and then it took 3.8 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

teldap.tw performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value1,340 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.14

79/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

teldap.tw

1029 ms

teldap.css

406 ms

cse.js

43 ms

ga.js

15 ms

234X60cn.jpg

244 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 44% of them (20 requests) were addressed to the original Teldap.tw, 18% (8 requests) were made to Google.com and 11% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Teldap.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 71.9 kB (10%)

Content Size

724.8 kB

After Optimization

653.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Teldap.tw main page is 724.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 394.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 22.5 kB

  • Original 29.9 kB
  • After minification 22.1 kB
  • After compression 7.4 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 7.7 kB, which is 26% 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 22.5 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 4.1 kB

  • Original 221.3 kB
  • After minification 217.3 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. TELDAP images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 33.1 kB

  • Original 394.1 kB
  • After minification 393.9 kB
  • After compression 361.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-15%

Potential reduce by 12.2 kB

  • Original 79.5 kB
  • After minification 77.6 kB
  • After compression 67.4 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. Teldap.tw needs all CSS files to be minified and compressed as it can save up to 12.2 kB or 15% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (49%)

Requests Now

39

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TELDAP. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

teldap.tw accessibility score

93

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.

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

<frame> or <iframe> elements do not have a title

Best Practices

teldap.tw 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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

teldap.tw 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

Document uses plugins

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 Teldap.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 Teldap.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 description is not detected on the main page of TELDAP. 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: