Tools & Wizards About Us
lib.dyu.edu.tw screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

lib.dyu.edu.tw

大葉大學圖書館 (Da-Yeh University, Library )

Page Load Speed

6.1 sec in total

First Response

1.7 sec

Resources Loaded

4.3 sec

Page Rendered

130 ms

lib.dyu.edu.tw screenshot

About Website

Click here to check amazing Lib Dyu content for Taiwan. Otherwise, check out these important facts you probably never knew about lib.dyu.edu.tw

大葉大學圖書館系統性蒐集、整理、組織與運用圖書資源，協助教學研究、推廣，滿足師生需求。大專校院校園風景網路人氣票選第一名，自然採光通風、水資源再利用與節能管理環保綠建築。大樓像翻開的書，是本館專屬標誌。館藏資源豐富，有紙本圖書、數位載體的電子資源，亦設有展覽空間，期望透過藝文活動提提升人文藝術涵養。

Visit lib.dyu.edu.tw

Key Findings

We analyzed Lib.dyu.edu.tw page load time and found that the first response time was 1.7 sec and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

lib.dyu.edu.tw performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value13.9 s

1/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.231

54/100

15%

TTI (Time to Interactive)

Value13.2 s

12/100

10%

Network Requests Diagram

lib.dyu.edu.tw

1713 ms

langConvert.js

1145 ms

hotrank.js

819 ms

bg_pg_cgray.gif

313 ms

ba_title.jpg

1316 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 72% of them (21 requests) were addressed to the original Lib.dyu.edu.tw, 10% (3 requests) were made to 0 and 7% (2 requests) were made to Web.hotrank.com.tw. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Lib.dyu.edu.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 102.0 kB (33%)

Content Size

309.1 kB

After Optimization

207.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Lib.dyu.edu.tw main page is 309.1 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. Images take 184.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 41.4 kB

  • Original 49.8 kB
  • After minification 39.9 kB
  • After compression 8.4 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 9.9 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 41.4 kB or 83% of the original size.

Image Optimization

-11%

Potential reduce by 20.5 kB

  • Original 184.5 kB
  • After minification 164.0 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, Lib Dyu needs image optimization as it can save up to 20.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-54%

Potential reduce by 40.1 kB

  • Original 74.8 kB
  • After minification 51.6 kB
  • After compression 34.7 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 40.1 kB or 54% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (44%)

Requests Now

27

After Optimization

15

  • AJAX
  • Images
  • JavaScript

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lib Dyu. 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

lib.dyu.edu.tw

lib.dyu.edu.tw

1713 ms

langConvert.js

langConvert.js

1145 ms

hotrank.js

hotrank.js

819 ms

bg_pg_cgray.gif

bg_pg_cgray.gif

313 ms

ba_title.jpg

ba_title.jpg

1316 ms

google_Logo_25wht.gif

google_Logo_25wht.gif

449 ms

useful2.gif

useful2.gif

674 ms

buttom.gif

buttom.gif

445 ms

icon_offsite_red.gif

icon_offsite_red.gif

460 ms

icon_offsite_green.gif

icon_offsite_green.gif

529 ms

mid_img.gif

mid_img.gif

675 ms

Aaplus.jpg

Aaplus.jpg

889 ms

show_CopyRight.jpg

show_CopyRight.jpg

921 ms

dyu_est.jpg

dyu_est.jpg

963 ms

QRCode_dyulib.png

QRCode_dyulib.png

894 ms

Web_HeadLineNewsList.asp

Web_HeadLineNewsList.asp

1166 ms

photo_01.jpg

photo_01.jpg

2018 ms

photo_02.jpg

photo_02.jpg

1989 ms

bg_col_h1_ms_cs3.gif

bg_col_h1_ms_cs3.gif

1142 ms

index_webresource.asp

index_webresource.asp

1220 ms

2012_1029_UsedBook.jpg

2012_1029_UsedBook.jpg

1826 ms

adviser2.jpg

adviser2.jpg

2269 ms

hotrank88

hotrank88

417 ms

1.gif

1.gif

403 ms

1.gif

1.gif

409 ms

blank.gif

blank.gif

412 ms

ico.gif

ico.gif

484 ms

ga.js

ga.js

30 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

lib.dyu.edu.tw accessibility score

64

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

lib.dyu.edu.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

lib.dyu.edu.tw SEO score

82

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    ZH

  • Encoding

    BIG5

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lib.dyu.edu.tw can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Lib.dyu.edu.tw main page’s claimed encoding is big5. 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

lib.dyu.edu.tw

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