Tools & Wizards About Us
www-1.gsb.columbia.edu screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

www-1.gsb.columbia.edu

Amistad Digital Resource

Page Load Speed

3.8 sec in total

First Response

246 ms

Resources Loaded

3.2 sec

Page Rendered

325 ms

www-1.gsb.columbia.edu screenshot

About Website

Click here to check amazing Www 1 Gsb Columbia content for United States. Otherwise, check out these important facts you probably never knew about www-1.gsb.columbia.edu

Columbia Business School is the Graduate Business School of Columbia University in New York City. Global perspective and cutting-edge methodology in an Ivy League setting at the very center of busines...

Visit www-1.gsb.columbia.edu

Key Findings

We analyzed Www-1.gsb.columbia.edu page load time and found that the first response time was 246 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

www-1.gsb.columbia.edu performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.166

71/100

15%

TTI (Time to Interactive)

Value4.0 s

88/100

10%

Network Requests Diagram

www-1.gsb.columbia.edu

246 ms

www8.gsb.columbia.edu

156 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

40 ms

css_BEZoYRVZF15Nb9cSg7isla4EeTKa17jnx5XTCjmByHU.css

71 ms

css_jkVJXC8XeAet6-QEK4VSSJ5jLczO0QLFz1JUqWsqnJ8.css

67 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Www-1.gsb.columbia.edu, 58% (37 requests) were made to Www8.gsb.columbia.edu and 9% (6 requests) were made to Pixel.mathtag.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Www8.gsb.columbia.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (56%)

Content Size

2.6 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Www-1.gsb.columbia.edu main page is 2.6 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. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 102.6 kB

  • Original 125.7 kB
  • After minification 119.3 kB
  • After compression 23.1 kB

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 102.6 kB or 82% of the original size.

Image Optimization

-24%

Potential reduce by 272.6 kB

  • Original 1.1 MB
  • After minification 844.9 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. Obviously, Www 1 Gsb Columbia needs image optimization as it can save up to 272.6 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-79%

Potential reduce by 839.0 kB

  • Original 1.1 MB
  • After minification 792.7 kB
  • After compression 227.7 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 839.0 kB or 79% of the original size.

CSS Optimization

-83%

Potential reduce by 206.6 kB

  • Original 249.3 kB
  • After minification 245.6 kB
  • After compression 42.7 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. Www-1.gsb.columbia.edu needs all CSS files to be minified and compressed as it can save up to 206.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (44%)

Requests Now

57

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www 1 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 13 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www-1.gsb.columbia.edu

www-1.gsb.columbia.edu

246 ms

www8.gsb.columbia.edu

www8.gsb.columbia.edu

156 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

40 ms

css_BEZoYRVZF15Nb9cSg7isla4EeTKa17jnx5XTCjmByHU.css

css_BEZoYRVZF15Nb9cSg7isla4EeTKa17jnx5XTCjmByHU.css

71 ms

css_jkVJXC8XeAet6-QEK4VSSJ5jLczO0QLFz1JUqWsqnJ8.css

css_jkVJXC8XeAet6-QEK4VSSJ5jLczO0QLFz1JUqWsqnJ8.css

67 ms

css_nN95W4smzHFo6oRY61JKOxZmbv8V3J8errBOGSCIPSc.css

css_nN95W4smzHFo6oRY61JKOxZmbv8V3J8errBOGSCIPSc.css

62 ms

css_0yN_kJ6a7tFjBElBiLo9R_ro9_j7wT1-LlBfkMFg214.css

css_0yN_kJ6a7tFjBElBiLo9R_ro9_j7wT1-LlBfkMFg214.css

44 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

22 ms

js_V1ZuwJK9uzfm6fFffOcHHubfxnimoxnbgG58pvTQdpY.js

js_V1ZuwJK9uzfm6fFffOcHHubfxnimoxnbgG58pvTQdpY.js

52 ms

js_SkYPYnvVF_PP_jBf6jD6R3BuglzdMUpZ6U4fwrGBOTw.js

js_SkYPYnvVF_PP_jBf6jD6R3BuglzdMUpZ6U4fwrGBOTw.js

102 ms

js_b211uggIM_UJVDn8tHVXH-jbbz1tK0CExZLsHRsFkFM.js

js_b211uggIM_UJVDn8tHVXH-jbbz1tK0CExZLsHRsFkFM.js

115 ms

js_-rGI84QLQ3uVwbZf4OefOrHnyt67b0m8wYprb2bgvo8.js

js_-rGI84QLQ3uVwbZf4OefOrHnyt67b0m8wYprb2bgvo8.js

74 ms

font-awesome.min.css

font-awesome.min.css

19 ms

gtm.js

gtm.js

222 ms

logo.svg

logo.svg

56 ms

CBiz_Mar17-4867.jpg

CBiz_Mar17-4867.jpg

1073 ms

downarrow.png

downarrow.png

27 ms

subwayDelays.png

subwayDelays.png

1308 ms

m0sLdwx9UlI.jpg

m0sLdwx9UlI.jpg

54 ms

windFarms.png

windFarms.png

151 ms

kate.jpg

kate.jpg

95 ms

sid.jpg

sid.jpg

1111 ms

hillary.jpg

hillary.jpg

80 ms

eric.jpg

eric.jpg

139 ms

kate.jpg

kate.jpg

120 ms

sid.jpg

sid.jpg

148 ms

hillary.jpg

hillary.jpg

165 ms

eric.jpg

eric.jpg

213 ms

social2.png

social2.png

166 ms

twitter-feed.jpg

twitter-feed.jpg

179 ms

facebook-feed.jpg

facebook-feed.jpg

174 ms

cbs-stacked-x240.svg

cbs-stacked-x240.svg

184 ms

social.png

social.png

190 ms

Polaris-Book.woff

Polaris-Book.woff

248 ms

Polaris-Medium.woff

Polaris-Medium.woff

317 ms

Polaris-Bold.woff

Polaris-Bold.woff

2335 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

10 ms

Copernicus-Bold.woff

Copernicus-Bold.woff

330 ms

Copernicus-Semibold.woff

Copernicus-Semibold.woff

386 ms

Copernicus-Medium.woff

Copernicus-Medium.woff

372 ms

Copernicus-Book.woff

Copernicus-Book.woff

475 ms

icomoon.woff

icomoon.woff

418 ms

analytics.js

analytics.js

52 ms

bat.js

bat.js

76 ms

activityi;src=6590129;type=invmedia;cat=eddwsk8v;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;ord=2389413965865.9697

activityi;src=6590129;type=invmedia;cat=eddwsk8v;dc_lat=;dc_rdid=;tag_for_child_directed_treatment=;ord=2389413965865.9697

91 ms

iframe_api

iframe_api

68 ms

collect

collect

14 ms

collect

collect

52 ms

www-widgetapi.js

www-widgetapi.js

35 ms

b=29180447

b=29180447

21 ms

js

js

72 ms

pixel.gif

pixel.gif

33 ms

rightmedia

rightmedia

59 ms

i.js

i.js

124 ms

rum

rum

72 ms

rum

rum

74 ms

iframe

iframe

56 ms

img

img

100 ms

img

img

113 ms

js

js

53 ms

img

img

58 ms

pixel

pixel

31 ms

img

img

25 ms

pixel

pixel

13 ms

Accessibility Review

www-1.gsb.columbia.edu accessibility score

92

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

www-1.gsb.columbia.edu best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

www-1.gsb.columbia.edu SEO score

58

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Www-1.gsb.columbia.edu 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 Www-1.gsb.columbia.edu 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.

Social Sharing Optimization

www-1.gsb.columbia.edu

Open Graph data is detected on the main page of Www 1 Gsb Columbia. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: