postech.ac.kr Website Information
Daily Unique Visits: 100,846
Daily Page Views: 605,076
Income Per Day: $1,210
Estimated Value: $871,200
This website is located in Korea and is using following IP address 141.223.5.51. See the complete list of popular websites hosted in Korea.
postech.ac.kr is registered under .KR top-level domain. Please check other sites in .KR zone.
Website postech.ac.kr is using the following name servers:
- no
and is probably hosted by POSTECH-AS-KR Pohang University of Science and Technology, KR. See the full list of other websites hosted by POSTECH-AS-KR Pohang University of Science and Technology, KR.
The highest website postech.ac.kr position in Alexa rank database was 8609 and the lowest rank position was 968043. Current position of postech.ac.kr in Alexa rank database is 14222.
Desktop speed score of postech.ac.kr (29/100) is better than the results of 7.9% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of postech.ac.kr (94/100) is better than the results of 36.81% of other sites and means that the page is mobile-friendly.
Mobile speed score of postech.ac.kr (36/100) is better than the results of 14.78% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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postech.ac.kr Alexa Rank
The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.
postech.ac.kr whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
query : postech.ac.kr
# KOREAN(UTF8)
도메인이름 : postech.ac.kr
등록인 : (학)포항공과대학교
등록인 주소 : 경상북도 포항시 남구 효자동 포항공과대학교 청암학술정보원 시스템운영팀
등록인 우편번호 : 790784
책임자 : (학)포항공과대학교
책임자 전자우편 : domain@postech.ac.kr
책임자 전화번호 : 054-279-2511
등록일 : 1993. 07. 23.
최근 정보 변경일 : 2009. 09. 25.
사용 종료일 : 2021. 10. 15.
정보공개여부 : Y
등록대행자 : (주)아이네임즈(http://www.inames.co.kr)
DNSSEC : 미서명
1차 네임서버 정보
호스트이름 : ns.postech.ac.kr
IP 주소 : 141.223.1.2
2차 네임서버 정보
호스트이름 : ns2.postech.ac.kr
IP 주소 : 141.223.7.51
네임서버 이름이 .kr이 아닌 경우는 IP주소가 보이지 않습니다.
# ENGLISH
Domain Name : postech.ac.kr
Registrant : Pohang University of Science and Technology
Registrant Address : Pohang Univ. of Science & Technology, Hyoja-dong, Pohang Si Nam-gu, Gyeongsangbuk-Do, KR
Registrant Zip Code : 790784
Administrative Contact(AC) : Pohang University of Science and Technology
AC E-Mail : domain@postech.ac.kr
AC Phone Number : 054-279-2511
Registered Date : 1993. 07. 23.
Last Updated Date : 2009. 09. 25.
Expiration Date : 2021. 10. 15.
Publishes : Y
Authorized Agency : Inames Co., Ltd.(http://www.inames.co.kr)
DNSSEC : unsigned
Primary Name Server
Host Name : ns.postech.ac.kr
IP Address : 141.223.1.2
Secondary Name Server
Host Name : ns2.postech.ac.kr
IP Address : 141.223.7.51
- KISA/KRNIC WHOIS Service -
# KOREAN(UTF8)
도메인이름 : postech.ac.kr
등록인 : (학)포항공과대학교
등록인 주소 : 경상북도 포항시 남구 효자동 포항공과대학교 청암학술정보원 시스템운영팀
등록인 우편번호 : 790784
책임자 : (학)포항공과대학교
책임자 전자우편 : domain@postech.ac.kr
책임자 전화번호 : 054-279-2511
등록일 : 1993. 07. 23.
최근 정보 변경일 : 2009. 09. 25.
사용 종료일 : 2021. 10. 15.
정보공개여부 : Y
등록대행자 : (주)아이네임즈(http://www.inames.co.kr)
DNSSEC : 미서명
1차 네임서버 정보
호스트이름 : ns.postech.ac.kr
IP 주소 : 141.223.1.2
2차 네임서버 정보
호스트이름 : ns2.postech.ac.kr
IP 주소 : 141.223.7.51
네임서버 이름이 .kr이 아닌 경우는 IP주소가 보이지 않습니다.
# ENGLISH
Domain Name : postech.ac.kr
Registrant : Pohang University of Science and Technology
Registrant Address : Pohang Univ. of Science & Technology, Hyoja-dong, Pohang Si Nam-gu, Gyeongsangbuk-Do, KR
Registrant Zip Code : 790784
Administrative Contact(AC) : Pohang University of Science and Technology
AC E-Mail : domain@postech.ac.kr
AC Phone Number : 054-279-2511
Registered Date : 1993. 07. 23.
Last Updated Date : 2009. 09. 25.
Expiration Date : 2021. 10. 15.
Publishes : Y
Authorized Agency : Inames Co., Ltd.(http://www.inames.co.kr)
DNSSEC : unsigned
Primary Name Server
Host Name : ns.postech.ac.kr
IP Address : 141.223.1.2
Secondary Name Server
Host Name : ns2.postech.ac.kr
IP Address : 141.223.7.51
- KISA/KRNIC WHOIS Service -
postech.ac.kr server information
Servers Location
postech.ac.kr desktop page speed rank
Last tested: 2019-12-09
Desktop Speed
Bad
29/100
postech.ac.kr Desktop Speed Test Quick Summary
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priority - 1Minify HTML
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priority - 0Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
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priority - 0Reduce server response time
In our test, your server responded in 0.24 seconds.
postech.ac.kr Desktop Resource Breakdown
| Total Resources | 80 |
| Number of Hosts | 2 |
| Static Resources | 77 |
| JavaScript Resources | 14 |
| CSS Resources | 33 |
postech.ac.kr mobile page speed rank
Last tested: 2016-11-22
Mobile Speed
Bad
36/100
postech.ac.kr Mobile Speed Test Quick Summary
priority - 104Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
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priority - 56Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 2 blocking script resources and 18 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://postech.ac.kr/eng/wp-includes/js/jquery/jquery.js?ver=1.12.4
http://postech.ac.kr/eng/wp-includes/js/jquery/jqu…grate.min.js?ver=1.4.1
http://postech.ac.kr/eng/wp-includes/js/jquery/jqu…grate.min.js?ver=1.4.1
Optimize CSS Delivery of the following:
http://postech.ac.kr/eng/wp-content/themes/postech/template.css?20160712
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/header.css
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/main.css
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/footer.css
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/content.css
http://postech.ac.kr/eng/wp-content/themes/postech…late/content-parts.css
http://postech.ac.kr/eng/wp-content/themes/postech…mplate/front-parts.css
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/page.css
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/static.css
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/ani.css
http://postech.ac.kr/eng/wp-content/themes/postech…late/mobile_header.css
http://postech.ac.kr/eng/wp-content/plugins/contac…css/styles.css?ver=4.4
http://postech.ac.kr/eng/wp-includes/css/dashicons.min.css?ver=4.5.3
http://postech.ac.kr/eng/wp-content/plugins/post-v…frontend.css?ver=4.5.3
https://fonts.googleapis.com/css?family=Merriweath…bset=latin%2Clatin-ext
http://postech.ac.kr/eng/wp-content/themes/postech…nericons.css?ver=3.4.1
http://postech.ac.kr/eng/wp-content/themes/postech/style.css?ver=4.5.3
https://fonts.googleapis.com/earlyaccess/notosanskr.css
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/header.css
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/main.css
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/footer.css
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/content.css
http://postech.ac.kr/eng/wp-content/themes/postech…late/content-parts.css
http://postech.ac.kr/eng/wp-content/themes/postech…mplate/front-parts.css
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/page.css
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/static.css
http://postech.ac.kr/eng/wp-content/themes/postech/css/template/ani.css
http://postech.ac.kr/eng/wp-content/themes/postech…late/mobile_header.css
http://postech.ac.kr/eng/wp-content/plugins/contac…css/styles.css?ver=4.4
http://postech.ac.kr/eng/wp-includes/css/dashicons.min.css?ver=4.5.3
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https://fonts.googleapis.com/css?family=Merriweath…bset=latin%2Clatin-ext
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https://fonts.googleapis.com/earlyaccess/notosanskr.css
priority - 17Optimize images
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priority - 8Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
71.3KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. However, if the HTML response were compressed, then the HTML required to render the above-the-fold content could be delivered in just 1 network round-trips. Enable compression for the HTML response in order to prioritize the visible content for this page.
Only about 10% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.
priority - 3Reduce server response time
priority - 2Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 22KiB (13% reduction).
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Minifying http://postech.ac.kr/eng/wp-content/themes/postech/css/template/content.css could save 3KiB (14% reduction).
Minifying http://postech.ac.kr/eng/wp-content/themes/postech/css/template/footer.css could save 1.6KiB (16% reduction).
priority - 1Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://fonts.googleapis.com/css?family=Merriweath…bset=latin%2Clatin-ext (6 hours)
priority - 0Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 3.1KiB (16% reduction).
Minifying http://postech.ac.kr/eng/wp-content/themes/postech/js/common.js?ver=4.5.3 could save 2.5KiB (15% reduction).
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postech.ac.kr Mobile Resource Breakdown
| Total Resources | 76 |
| Number of Hosts | 3 |
| Static Resources | 67 |
| JavaScript Resources | 14 |
| CSS Resources | 25 |
postech.ac.kr mobile page usability
Last tested: 2016-11-22
Mobile Usability
Good
94/100
postech.ac.kr Mobile Usability Test Quick Summary
priority - 5Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target
<a href="/eng/postech-r…pageds=1&k=&c=">POSTECH Rowing,</a> and 4 others are close to other tap targets.The tap target
<a href="/eng/postech-r…pageds=1&k=&c=">POSTECH Rowing,</a> and 4 others are close to other tap targets.The tap target
<a href="/eng/postech-r…pageds=1&k=&c=">the University…athletic team</a> and 4 others are close to other tap targets.The tap target
<a href="/eng/postech-r…pageds=1&k=&c=">the University…athletic team</a> and 4 others are close to other tap targets.The tap target
<a href="/eng/postech-r…pageds=1&k=&c=">The University…ical strength.</a> and 4 others are close to other tap targets.The tap target
<a href="/eng/postech-r…pageds=1&k=&c=" class="btn_ibasic btn_medium">READ MORE</a> and 4 others are close to other tap targets.The tap target
<a href="http://postech…cs-management/">Ethics management</a> and 4 others are close to other tap targets.The tap target
<a href="http://postech…ail-rejection/">Prohibition of…E-mail Address</a> is close to 1 other tap targets.postech.ac.kr HTML validation
Errors
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Line: 4 Column: 1 - 62
"..."> <head> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <meta..."
"..."> <head> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <meta..."
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Line: 43 Column: 1 - 74
"...endif]--> <link rel='https://api.w.org/' href='http://postech.ac.kr/eng/wp-json/' /> <link..."
"...endif]--> <link rel='https://api.w.org/' href='http://postech.ac.kr/eng/wp-json/' /> <link..."
Duplicate ID “web_login”.
Line: 108 Column: 118 - 215
"...ovis로그인--><a href="https://www.postech.ac.kr/login/" title="POVIS" id="web_login" class="login_pop m_login">POVIS<..."
"...ovis로그인--><a href="https://www.postech.ac.kr/login/" title="POVIS" id="web_login" class="login_pop m_login">POVIS<..."
Element “div” not allowed as child of element “button” in this context. (Suppressing further errors from this subtree.)
Line: 112 Column: 40 - 61
"...="button"><div class="open_btn"><span ..." Line: 112 Column: 139 - 161
"...pan></div><div class="close_btn"><span ..."
"...="button"><div class="open_btn"><span ..." Line: 112 Column: 139 - 161
"...pan></div><div class="close_btn"><span ..."
Attribute “rel” not allowed on element “li” at this point.
Line: 344 Column: 1 - 28
"...n_slide"> <li rel="1" data-sec="6000"> <div ..." Line: 361 Column: 227 - 275
".../div></li><li rel="2" data-sec="3500"style="display:none;"> <div ..." Line: 378 Column: 374 - 422
".../div></li><li rel="3" data-sec="3500"style="display:none;"> <div ..." Line: 395 Column: 353 - 401
".../div></li><li rel="4" data-sec="3500"style="display:none;"> <div ..."
"...n_slide"> <li rel="1" data-sec="6000"> <div ..." Line: 361 Column: 227 - 275
".../div></li><li rel="2" data-sec="3500"style="display:none;"> <div ..." Line: 378 Column: 374 - 422
".../div></li><li rel="3" data-sec="3500"style="display:none;"> <div ..." Line: 395 Column: 353 - 401
".../div></li><li rel="4" data-sec="3500"style="display:none;"> <div ..."
No “p” element in scope but a “p” end tag seen.
Line: 361 Column: 1 - 4
"...ence.</p> </p></a></..." Line: 378 Column: 1 - 4
"...ings.</p> </p></a></..." Line: 395 Column: 1 - 4
"...(THE)</p> </p></a></..." Line: 412 Column: 1 - 4
"...ght.”</p> </p></a></..."
"...ence.</p> </p></a></..." Line: 378 Column: 1 - 4
"...ings.</p> </p></a></..." Line: 395 Column: 1 - 4
"...(THE)</p> </p></a></..." Line: 412 Column: 1 - 4
"...ght.”</p> </p></a></..."
No space between attributes.
Line: 361 Column: - 254
"...data-sec="3500"style="display:..." Line: 378 Column: - 401
"...data-sec="3500"style="display:..." Line: 395 Column: - 380
"...data-sec="3500"style="display:..."
"...data-sec="3500"style="display:..." Line: 378 Column: - 401
"...data-sec="3500"style="display:..." Line: 395 Column: - 380
"...data-sec="3500"style="display:..."
Saw “<” when expecting an attribute name. Probable cause: Missing “>” immediately before.
Line: 562 Column: - 1
"...</a></li> </ul </div> <div cla..."
"...</a></li> </ul </div> <div cla..."
A slash was not immediately followed by “>”.
Line: 562 Column: - 3
"...a></li> </ul </div> <div class..."
"...a></li> </ul </div> <div class..."
End tag had attributes.
Line: 562 Column: - 6
".../li> </ul </div> <div class="s..."
".../li> </ul </div> <div class="s..."
The “allowtransparency” attribute on the “iframe” element is obsolete. Use CSS instead.
Line: 584 Column: 1 - 161
"...</button> <iframe class="mfp-iframe" id="povis_iframe" allowtransparency="true" src="http://postech.ac.kr/eng/login/" frameborder="0" allowfullscreen="" title="POVIS 로그인"></ifra..."
"...</button> <iframe class="mfp-iframe" id="povis_iframe" allowtransparency="true" src="http://postech.ac.kr/eng/login/" frameborder="0" allowfullscreen="" title="POVIS 로그인"></ifra..."
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Line: 584 Column: 1 - 161
"...</button> <iframe class="mfp-iframe" id="povis_iframe" allowtransparency="true" src="http://postech.ac.kr/eng/login/" frameborder="0" allowfullscreen="" title="POVIS 로그인"></ifra..."
"...</button> <iframe class="mfp-iframe" id="povis_iframe" allowtransparency="true" src="http://postech.ac.kr/eng/login/" frameborder="0" allowfullscreen="" title="POVIS 로그인"></ifra..."
End tag for “body” seen, but there were unclosed elements.
Line: 644 Column: 1 - 7
"...</script> </body></html..."
"...</script> </body></html..."
Unclosed element “div”.
Line: 54 Column: 57 - 80
"...-default"><div class="site_wrap "><a cla..."
"...-default"><div class="site_wrap "><a cla..."
Warnings
Consider avoiding viewport values that prevent users from resizing documents.
Line: 6 Column: 1 - 103
"...="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"> <titl..."
"...="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"> <titl..."
The first occurrence of ID “web_login” was here.
Line: 101 Column: 19 - 108
"...s="link5"><a href="https://postech.ac.kr/eng/login/" title="POVIS" id="web_login" class="login_pop">POVIS<..."
"...s="link5"><a href="https://postech.ac.kr/eng/login/" title="POVIS" id="web_login" class="login_pop">POVIS<..."
The value of attribute “style” on element “div” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
Line: 399 Column: 1 - 182
"..._slider"> <div class="step1 odd" style="background: url(http://postech.ac.kr/eng/wp-content/uploads/2016/04/main_히어로_방사광가속기-eng-1-800x500.png) no-repeat;background-position: 0 0;"></div>..." Line: 400 Column: 1 - 188
"...;"></div> <div class="step2 even" style="background: url(http://postech.ac.kr/eng/wp-content/uploads/2016/04/main_히어로_방사광가속기-eng-1-800x500.png) no-repeat;background-position: -200px 0;"></div>..." Line: 401 Column: 1 - 187
"...;"></div> <div class="step3 odd" style="background: url(http://postech.ac.kr/eng/wp-content/uploads/2016/04/main_히어로_방사광가속기-eng-1-800x500.png) no-repeat;background-position: -400px 0;"></div>..." Line: 402 Column: 1 - 188
"...;"></div> <div class="step4 even" style="background: url(http://postech.ac.kr/eng/wp-content/uploads/2016/04/main_히어로_방사광가속기-eng-1-800x500.png) no-repeat;background-position: -600px 0;"></div>..."
"..._slider"> <div class="step1 odd" style="background: url(http://postech.ac.kr/eng/wp-content/uploads/2016/04/main_히어로_방사광가속기-eng-1-800x500.png) no-repeat;background-position: 0 0;"></div>..." Line: 400 Column: 1 - 188
"...;"></div> <div class="step2 even" style="background: url(http://postech.ac.kr/eng/wp-content/uploads/2016/04/main_히어로_방사광가속기-eng-1-800x500.png) no-repeat;background-position: -200px 0;"></div>..." Line: 401 Column: 1 - 187
"...;"></div> <div class="step3 odd" style="background: url(http://postech.ac.kr/eng/wp-content/uploads/2016/04/main_히어로_방사광가속기-eng-1-800x500.png) no-repeat;background-position: -400px 0;"></div>..." Line: 402 Column: 1 - 188
"...;"></div> <div class="step4 even" style="background: url(http://postech.ac.kr/eng/wp-content/uploads/2016/04/main_히어로_방사광가속기-eng-1-800x500.png) no-repeat;background-position: -600px 0;"></div>..."
The value of attribute “src” on element “img” from namespace “http://www.w3.org/1999/xhtml” is not in Unicode Normalization Form C.
Line: 404 Column: 132 - 251
"... XFEL)"><img src="http://postech.ac.kr/eng/wp-content/uploads/2016/04/main_히어로_방사광가속기-eng-1-800x500.png" alt="Home"></a> </d..."
"... XFEL)"><img src="http://postech.ac.kr/eng/wp-content/uploads/2016/04/main_히어로_방사광가속기-eng-1-800x500.png" alt="Home"></a> </d..."
The “contentinfo” role is unnecessary for element “footer”.
Line: 574 Column: 29 - 89
"...ontent --><footer id="colophon" class="site-footer" role="contentinfo"> <!-- ..."
"...ontent --><footer id="colophon" class="site-footer" role="contentinfo"> <!-- ..."
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postech.ac.kr Ping
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.
postech.ac.kr TRACEROUTE
Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.