Access udncollege.udn.com. 聯合學苑 - 聯合學苑

name

value

score

weighting

FCP (First Contentful Paint)

Value11.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value28.4 s

0/100

25%

SI (Speed Index)

Value33.9 s

0/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.139

79/100

15%

TTI (Time to Interactive)

Value21.3 s

1/100

10%

main.jsp

1107 ms

global.css

604 ms

index.css

408 ms

member_area.css

414 ms

class.css

623 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 81% of them (39 requests) were addressed to the original Udncollege.udn.com, 10% (5 requests) were made to Google-analytics.com and 2% (1 request) were made to B.scorecardresearch.com. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain Udncollege.udn.com.

Content Size

1.5 MB

After Optimization

526.9 kB

In fact, the total size of Udncollege.udn.com main page is 1.5 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. 15% of websites need less resources to load. Javascripts take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 42.1 kB

Original 48.3 kB
After minification 27.8 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 20.5 kB, which is 42% 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 42.1 kB or 87% of the original size.

Image Optimization

-9%

Potential reduce by 27.4 kB

Original 302.1 kB
After minification 274.7 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. Udncollege Udn images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 850.3 kB

Original 1.1 MB
After minification 798.8 kB
After compression 243.9 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 850.3 kB or 78% of the original size.

CSS Optimization

-81%

Potential reduce by 8.7 kB

Original 10.8 kB
After minification 8.7 kB
After compression 2.1 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. Udncollege.udn.com needs all CSS files to be minified and compressed as it can save up to 8.7 kB or 81% of the original size.

Requests Now

After Optimization

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Udncollege Udn. 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.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

JA
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Udncollege.udn.com 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 Udncollege.udn.com 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

udncollege.udn.com

Open Graph description is not detected on the main page of Udncollege Udn. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

聯合學苑 - 聯合學苑｜閱讀‧寫作‧跨域學習

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

main.jsp

global.css

index.css

member_area.css

class.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

main.jsp

global.css

index.css

member_area.css

class.css

ext-base.js

ext-all.js

ext-lang-zh_TW.js

imgPlayer.js

announcement.js

ga.js

analytics.js

beacon.js

atrk.js

udnlogo.gif

global00_check.gif

global01.gif

global02.gif

global03.gif

global04.gif

global05.gif

global06.gif

global07.gif

logo2.gif

global_search_left.gif

global_search.gif

global_hot.gif

global_search_right.gif

menu_tag_arrow.gif

menu_tag_blank.gif

topic_hotclass.gif

topic_weeknews.gif

upload

bulletin.gif

00_header_bg2.gif

global_search_bg.gif

upload

menu_gray_dot.gif

menu_tag_bg0.gif

__utm.gif

btn.gif

global_v_dot.gif

global_h_dot.gif