4.7 sec in total
867 ms
3.7 sec
146 ms
Visit kos.co.kr now to see the best up-to-date Kos content and also check out these interesting facts you probably never knew about kos.co.kr
Visit kos.co.krWe analyzed Kos.co.kr page load time and found that the first response time was 867 ms 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.
kos.co.kr performance score
name
value
score
weighting
Value1.5 s
95/100
10%
Value10.9 s
0/100
25%
Value6.1 s
45/100
10%
Value90 ms
99/100
30%
Value0.204
61/100
15%
Value2.3 s
99/100
10%
867 ms
197 ms
386 ms
416 ms
197 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that all of those requests were addressed to Kos.co.kr and no external sources were called. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Kos.co.kr.
Page size can be reduced by 170.7 kB (17%)
1.0 MB
832.5 kB
In fact, the total size of Kos.co.kr main page is 1.0 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. 35% of websites need less resources to load. Images take 887.6 kB which makes up the majority of the site volume.
Potential reduce by 480 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 480 B or 47% of the original size.
Potential reduce by 87.9 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. Kos images are well optimized though.
Potential reduce by 79.2 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 79.2 kB or 72% of the original size.
Potential reduce by 3.2 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. Kos.co.kr needs all CSS files to be minified and compressed as it can save up to 3.2 kB or 78% of the original size.
We found no issues to fix!
40
40
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kos. According to our analytics all requests are already optimized.
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kos.co.kr accessibility score
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
Image elements do not have [alt] attributes
Links do not have a discernible name
kos.co.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
kos.co.kr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Image elements do not have [alt] attributes
KO
N/A
EUC-KR
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kos.co.kr can be misinterpreted by Google and other search engines. Our service has detected that Korean 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 Kos.co.kr main page’s claimed encoding is euc-kr. 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.
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kos.co.kr
Open Graph description is not detected on the main page of Kos. 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: