ofcourse.kr: ofcourse
웹 개발에 꼭 필요한 정보만 모아두었어요. 간단하게 HTML, CSS 및 JavaScript를 배우세요.
Page load speed analysis
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78/100
Good result -
6
Successful tests -
2
Failed tests
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First response
34 ms
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Resources loaded
606 ms
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Page rendered
233 ms
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Total page load time
873 ms
Click here to check amazing Ofcourse content for South Korea. Otherwise, check out these important facts you probably never knew about ofcourse.kr
We analyzed Ofcourse.kr page load time and found that the first response time was 34 ms and then it took 839 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
Page optimization
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HTML 3.2 kB Images 0 B Javascripts 20.0 kB CSS 0 B In fact, the total size of Ofcourse.kr main page is 23.3 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. 25% of websites need less resources to load. Javascripts take 20.0 kB which makes up the majority of the site volume.
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Original 3.2 kB
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After minification 3.2 kB
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After compression 1.7 kB
HTML optimization
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 1.6 kB or 49% of the original size.
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Original 20.0 kB
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After minification 20.0 kB
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After compression 19.9 kB
JavaScript optimization
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. This website has mostly compressed JavaScripts.
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Network requests diagram
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ofcourse.kr
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ofcourse.kr
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font-awesome.min.css
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css
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global.css
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jquery.min.js
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home.css
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logo.png
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analytics.js
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learn_simply.png
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PbykFmXiEBPT4ITbgNA5CgmG0X7u.otf
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Pby7FmXiEBPT4ITbgNA5CgmOIl3477IS.otf
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Pby7FmXiEBPT4ITbgNA5CgmOalv477IS.otf
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fontawesome-webfont.woff
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collect
Our browser made a total of 15 requests to load all elements on the main page. We found that 40% of them (6 requests) were addressed to the original Ofcourse.kr, 20% (3 requests) were made to Fonts.gstatic.com and 13% (2 requests) were made to Maxcdn.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (163 ms) relates to the external source Google-analytics.com.
Additional info on ofcourse.kr
Requests
The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ofcourse. 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 CSS and as a result speed up the page load time.
Javascripts
Images
CSS
AJAX
All
Possible request optimization
Javascripts
Images
CSS
AJAX
Optimized
All
Good result
Redirects
As for redirects, our browser was forwarded to https://ofcourse.kr/ before it reached this domain.
IP address
Ofcourse.kr uses IP addresses which are currently shared with 6 other domains. The more sites share the same stack of IP addresses, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.
Normal result
IP Trace
DNS records
| Type | Host | Target/ip | TTL | Other |
|---|---|---|---|---|
| A | ofcourse.kr |
185.199.109.153 | 300 | |
| A | ofcourse.kr |
185.199.110.153 | 300 | |
| A | ofcourse.kr |
185.199.111.153 | 300 | |
| A | ofcourse.kr |
185.199.108.153 | 300 | |
| NS | ofcourse.kr |
chin.ns.cloudflare.com | 300 |
Language and encoding
Normal result
Language
KO
Detected
N/A
Claimed
Encoding
UTF-8
Claimed
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ofcourse.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 Ofcourse.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.
HTTPS certificate
Ofcourse.kr has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.
Poor result
Visitor World Map
Country of origin for 100% of all visits is South Korea. It lies approximately 5370 miles away from the server location (Netherlands) and such a long distance can negatively affect website speed, as it takes some time for data to travel back and forth between those places. That’s why one of the best ways to speed up Ofcourse.kr page load time for the majority of users is moving the server to South Korea or just closer to the user base.
Poor result
Normal result
Social Sharing Optimization
Open Graph description is not detected on the main page of Ofcourse. 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:
ofcourse.kr
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