5.1 sec in total
2.5 sec
2.5 sec
94 ms
Visit ocw.nthu.edu.tw now to see the best up-to-date OCW NTHU content for Taiwan and also check out these interesting facts you probably never knew about ocw.nthu.edu.tw
本於對開放教育資源運動的認同,清華大學自2008年6月起由課務組著手推動開放式課程。推廣初期的重點包括了,邀請傑出教學教師及教學單位參與製作、培養數位內容協製人才、建置數位典範課程以及構建自由軟體課程平台。2009年1月,清華大學通過「國際開放式課程聯盟(OpenCourseWare Consortium,OCWC)」的審查,成為「國際開放式課程聯盟」的會員。全球使用者皆可直接取用本校所提供的開放...
Visit ocw.nthu.edu.twWe analyzed Ocw.nthu.edu.tw page load time and found that the first response time was 2.5 sec and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
ocw.nthu.edu.tw performance score
name
value
score
weighting
Value12.2 s
0/100
10%
Value27.7 s
0/100
25%
Value23.0 s
0/100
10%
Value570 ms
52/100
30%
Value0.296
41/100
15%
Value24.4 s
1/100
10%
2507 ms
Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Ocw.nthu.edu.tw and no external sources were called. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Ocw.nthu.edu.tw.
Page size can be reduced by 10 B (11%)
94 B
84 B
In fact, the total size of Ocw.nthu.edu.tw main page is 94 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 94 B which makes up the majority of the site volume.
Potential reduce by 10 B
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 10 B or 11% of the original size.
We found no issues to fix!
0
0
Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.
ocw.nthu.edu.tw
2507 ms
ocw.nthu.edu.tw accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[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
<html> element does not have a valid value for its [lang] attribute.
ocw.nthu.edu.tw best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
ocw.nthu.edu.tw SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Document uses legible font sizes
Tap targets are not sized appropriately
JA
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ocw.nthu.edu.tw 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 Ocw.nthu.edu.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.
ocw.nthu.edu.tw
Open Graph description is not detected on the main page of OCW NTHU. 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: