Analyze 포항공과대학교

POSTECH(포스텍)은 국내 최초 연구중심대학으로 사회와 인류에 봉사하기 위해 설립되었습니다. (2017 '더타임즈' 소규모 세계대학평가 세계 3위, 아시아 1위)

Page load speed analysis

  • 55/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    623 ms

  • Resources loaded

    6.5 sec

  • Page rendered

    253 ms

  • Total page load time

    7.4 sec

Click here to check amazing Postech Ac content for South Korea. Otherwise, check out these important facts you probably never knew about

We analyzed page load time and found that the first response time was 623 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Page optimization

  • HTML 1.5 kB
    Images 3.2 MB
    Javascripts 252.1 kB
    CSS 556.6 kB

    In fact, the total size of main page is 4.0 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. 25% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

    • Original 1.5 kB
    • After minification 1.5 kB
    • After compression 718 B

    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 779 B or 52% of the original size.

    • Original 3.2 MB
    • After optimization 2.9 MB

    Image optimization

    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. Postech Ac images are well optimized though.

    • Original 252.1 kB
    • After minification 163.1 kB
    • After compression 50.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 201.6 kB or 80% of the original size.

    • Original 556.6 kB
    • After minification 546.7 kB
    • After compression 103.9 kB

    CSS optimization

    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. needs all CSS files to be minified and compressed as it can save up to 452.7 kB or 81% of the original size.

Network requests diagram

  • home
  • jquery-1.4.2.js
  • main.css
  • style.css
  • common.css
  • etc.css
  • sub.css
  • jquery.sliderkit.1.9.2.js
  • jquery.easing.1.3.js
  • wowslider.js
  • script.js
  • analytics.js
  • layout_set_logo
  • top_info01.gif
  • top_info02.gif
  • top_info03.gif
  • top_info04.gif
  • top_info05.gif
  • top_sns01.gif
  • top_sns02.gif
  • top_sns03.gif
  • top_sns04.gif
  • top_sns05.gif
  • header_btn_search.gif
  • layout_icon
  • layout_icon
  • layout_icon
  • layout_icon
  • layout_icon
  • layout_icon
  • layout_icon
  • visual_txt02.png
  • visual_txt03.png
  • visual_txt01.png
  • m_visual_img03.jpg
  • m_visual_img01.jpg
  • m_visual_img02.jpg
  • title_news.png
  • 1456710765243.jpg
  • 1456710611328.jpg
  • 1456710511047.jpg
  • 1453962458922.jpg
  • list_more.png
  • title_notice.png
  • title_event.png
  • 1453164415080.jpg
  • 1451960190014.png
  • img_movie.jpg
  • collect
  • img_etc01.gif
  • img_etc02.gif
  • img_etc03.gif
  • img_etc04.gif
  • img_brochure.gif
  • img_glance.gif
  • popup_en.png
  • btn_site_link_off.gif
  • btn_homepage_link_off.gif
  • f_logo.gif
  • nav_bg.gif
  • bullet.png
  • arrows.png
  • bg_line01.gif
  • wz_txt_bg.png
  • bg_line02.gif
  • bg_bullet.gif
  • print.css

Our browser made a total of 68 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original, 96% (65 requests) were made to and 3% (2 requests) were made to The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source

Additional info on


The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Postech 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 6 to 1 for CSS and as a result speed up the page load time.











Possible request optimization













Normal result

IP address uses IP address which is currently shared with 2 other domains. The more sites share the same IP address, 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 86400
NS 86399
NS 86399

86400 Mname:
Serial: 2020100801
Refresh: 7200
Retry: 3600
Expire: 604800
Minimum-ttl: 3600
MX 86400 Pri: 5

Language and encoding

Good result


KO ko language flag


KO ko language flag





Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise can be misinterpreted by Google and other search engines. Our service has detected that Korean is used on the page, and it matches the claimed language. Our system also found out that 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

SSL Certificate has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 92.5% of all visits is South Korea. It’s good for that their server is also located in South Korea, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Postech 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:

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