27.5 sec in total
1.2 sec
20.9 sec
5.3 sec
Click here to check amazing Summer Yonsei Ac content. Otherwise, check out these important facts you probably never knew about summer.yonsei.ac.kr
Discover Korean summer at Yonsei university. Located in the Seoul’s center of youth culture, Yonsei International Summer School(YISS) provides state-of-the-art academic courses along with extracurricu...
Visit summer.yonsei.ac.krWe analyzed Summer.yonsei.ac.kr page load time and found that the first response time was 1.2 sec and then it took 26.2 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.
summer.yonsei.ac.kr performance score
name
value
score
weighting
Value7.5 s
1/100
10%
Value11.8 s
0/100
25%
Value15.1 s
1/100
10%
Value110 ms
98/100
30%
Value0.144
78/100
15%
Value8.7 s
36/100
10%
1230 ms
838 ms
202 ms
636 ms
593 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 98% of them (54 requests) were addressed to the original Summer.yonsei.ac.kr, 2% (1 request) were made to Log.yonsei.ac.kr. The less responsive or slowest element that took the longest time to load (16 sec) belongs to the original domain Summer.yonsei.ac.kr.
Page size can be reduced by 2.3 MB (59%)
3.9 MB
1.6 MB
In fact, the total size of Summer.yonsei.ac.kr main page is 3.9 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. 45% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.
Potential reduce by 75.6 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. 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 75.6 kB or 82% of the original size.
Potential reduce by 1.6 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, Summer Yonsei Ac needs image optimization as it can save up to 1.6 MB or 54% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 503.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 503.0 kB or 74% of the original size.
Potential reduce by 70.2 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. Summer.yonsei.ac.kr needs all CSS files to be minified and compressed as it can save up to 70.2 kB or 82% of the original size.
Number of requests can be reduced by 13 (26%)
50
37
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Summer Yonsei Ac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
summer.yonsei.ac.kr
1230 ms
summer.yonsei.ac.kr
838 ms
home
202 ms
636 ms
common.css
593 ms
layout.css
795 ms
style.css
844 ms
header.css
891 ms
resize_header.css
894 ms
resize_main.css
892 ms
resize_sub.css
913 ms
resize_sub2.css
1002 ms
civer.css
1033 ms
civerView.js
1086 ms
jquery1.11.1.min.js
1471 ms
jquery-ui1.10.1.min.js
1861 ms
jquery-ui.min.js
2047 ms
common.js
1389 ms
popupbox.js
1036 ms
notokr-regular.woff
663 ms
summer_logo3.png
289 ms
mlogo.png
288 ms
btn_facebook.gif
286 ms
btn_insta.gif
289 ms
btn_linkedin.gif
282 ms
btn_search.gif
396 ms
m_menu_btn.png
412 ms
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arr_prev.png
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arr_next.png
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list1.png
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tracker.do
1636 ms
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service1.png
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summer.yonsei.ac.kr accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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 [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
Links do not have a discernible name
summer.yonsei.ac.kr 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
summer.yonsei.ac.kr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Summer.yonsei.ac.kr can be misinterpreted by Google and other search engines. Our service has detected that English 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 Summer.yonsei.ac.kr 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.
summer.yonsei.ac.kr
Open Graph description is not detected on the main page of Summer Yonsei Ac. 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: