Analyze Columbia Business School

Gain global perspective, cutting-edge theory, and the latest insights from practice at Columbia Business School, the very center of business.

Page load speed analysis

  • 72/100

    Good result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    64 ms

  • Resources loaded

    1.1 sec

  • Page rendered

    353 ms

  • Total page load time

    1.5 sec

Click here to check amazing Gsb Columbia content for United States. Otherwise, check out these important facts you probably never knew about

We analyzed page load time and found that the first response time was 64 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Page optimization

  • HTML 83.5 kB
    Images 428.5 kB
    Javascripts 474.5 kB
    CSS 409.8 kB

    In fact, the total size of main page is 1.4 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. 55% of websites need less resources to load. Javascripts take 474.5 kB which makes up the majority of the site volume.

    • Original 83.5 kB
    • After minification 80.5 kB
    • After compression 13.7 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 69.9 kB or 84% of the original size.

    • Original 428.5 kB
    • After optimization 274.2 kB

    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. Obviously, Gsb Columbia needs image optimization as it can save up to 154.3 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

    • Original 474.5 kB
    • After minification 418.5 kB
    • After compression 142.7 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 331.8 kB or 70% of the original size.

    • Original 409.8 kB
    • After minification 405.8 kB
    • After compression 72.0 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 337.8 kB or 82% of the original size.

Network requests diagram

  • css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
  • css_8a8AYlsyvT_W8OrKHDB9IoP1H1aLmC6Qw7--7fFZDhE.css
  • css_dIOA-U7rnrWH6c4khG3RiTSk_qs8PXVuA269hz18XX8.css
  • css_Bmzze4hH0ofirXgZyQtT1aL7Yt5WUTrh2n4CyVK1RxI.css
  • css_HTEAaE3g84d33rluwkwSDMAqtPmXA79cwiMgqD3f3tE.css
  • jquery-1.8.3.min.js
  • js_3TykeRWpejhD4-J3vdlaNXdULg9xhOZhbsppK0o2bUs.js
  • js_iAbcx5aNtvV3nMSTJEU3_yLXrn9QKN6VDPbNFic3uPE.js
  • js_b4PuZsSlUCQFAu813ArdXWXZOJ6dBM4ZNd6JII3b-OU.js
  • js_bVCRL0pGxhNYyd2VhM4P8im1k3iK8EsjykF92H6lsJs.js
  • js_-rGI84QLQ3uVwbZf4OefOrHnyt67b0m8wYprb2bgvo8.js
  • js_UQTwxQRiZcF7LKoIelOLZRyWx4gG0GsRzj27PH3rzPY.js
  • font-awesome.min.css
  • analytics.js
  • 100-logo.png
  • logo.svg
  • h-iaw-cent.png
  • illo-knithat3.jpg
  • small-cent-hermes.jpg
  • social2.png
  • twitter-feed.jpg
  • box1.png
  • box2.png
  • box3.png
  • cbs-cent-seal.png
  • social.png
  • Polaris-Medium.woff
  • fontawesome-webfont.woff
  • Polaris-Book.woff
  • Polaris-MediumItalic.woff
  • Copernicus-MediumItalic.woff
  • Copernicus-Medium.woff
  • icomoon.woff
  • m0sLdwx9UlI
  • collect
  • www-embed-player-vflZsBgOl.css
  • www-embed-player.js
  • base.js
  • yrK4EqpSRdoujKQmsJoZ5WaLgeULvcWnibQMQSxOOnM.js
  • ad_status.js
  • 2UX7WLTfW3W8TclTUvlFyQ.woff
  • RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

Our browser made a total of 44 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original, 68% (30 requests) were made to and 7% (3 requests) were made to The less responsive or slowest element that took the longest time to load (234 ms) relates to the external source

Additional info on


The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gsb Columbia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.











Possible request optimization













Normal result


As for redirects, our browser was forwarded to before it reached this domain.

IP address uses IP address which is currently shared with 4 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.

Poor result

IP Trace

DNS records

Type Host Target/ip TTL Other
A 300
MX 300 Pri: 10

300 Txt: 00d1i000000mhoyuaa

300 Txt: pardot_48172_*=8f2f3e94d4e16f1870fe3b6ef7ba5bde95d6cd2d40804965ce2377a61c329382

300 Txt: Ur9ziu+EQ16ELR4w/bdBbI6sJO4GY08zuDE/AxZkiqgUFzuwMAkJAar5iSDQMO1XEngjNEmsA6e1cqkXCcrPDA==

Language and encoding

Good result


EN en language flag


EN en 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 English 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 55.2% of all visits is United States. It’s good for that their server is also located in United States, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Good result

Social Sharing Optimization

Open Graph data is detected on the main page of Gsb Columbia. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

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