Tools & Wizards About Us
studentaffairs.columbia.edu screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

studentaffairs.columbia.edu

Columbia College and Columbia Engineering

Page Load Speed

807 ms in total

First Response

63 ms

Resources Loaded

633 ms

Page Rendered

111 ms

studentaffairs.columbia.edu screenshot

About Website

Welcome to studentaffairs.columbia.edu homepage info - get ready to check Studentaffairs Columbia best content for United States right away, or after learning these important things about studentaffairs.columbia.edu

Visit studentaffairs.columbia.edu

Key Findings

We analyzed Studentaffairs.columbia.edu page load time and found that the first response time was 63 ms and then it took 744 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.

Performance Metrics

studentaffairs.columbia.edu performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

43/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value290 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.429

22/100

15%

TTI (Time to Interactive)

Value4.9 s

78/100

10%

Network Requests Diagram

studentaffairs.columbia.edu

63 ms

www.studentaffairs.columbia.edu

22 ms

www.cc-seas.columbia.edu

170 ms

css_o4OXF8rjEthbCpAmlM5rx_JuNzrVCOPge3iwy6hq6Ms.css

12 ms

css_RjznwsvicLHi95IC8qMHnkCKEuwj5ympzQo3SwQYzLk.css

24 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 7% of them (2 requests) were addressed to the original Studentaffairs.columbia.edu, 53% (16 requests) were made to Cc-seas.columbia.edu and 33% (10 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (170 ms) relates to the external source Cc-seas.columbia.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 398.4 kB (74%)

Content Size

541.4 kB

After Optimization

143.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Studentaffairs.columbia.edu main page is 541.4 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. 30% of websites need less resources to load. CSS take 255.2 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 12.2 kB

  • Original 17.1 kB
  • After minification 16.1 kB
  • After compression 4.9 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 12.2 kB or 71% of the original size.

Image Optimization

-16%

Potential reduce by 7.3 kB

  • Original 45.9 kB
  • After minification 38.5 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, Studentaffairs Columbia needs image optimization as it can save up to 7.3 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 156.1 kB

  • Original 223.2 kB
  • After minification 195.2 kB
  • After compression 67.1 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 156.1 kB or 70% of the original size.

CSS Optimization

-87%

Potential reduce by 222.7 kB

  • Original 255.2 kB
  • After minification 251.3 kB
  • After compression 32.4 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. Studentaffairs.columbia.edu needs all CSS files to be minified and compressed as it can save up to 222.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (47%)

Requests Now

17

After Optimization

9

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Studentaffairs 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 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

studentaffairs.columbia.edu

studentaffairs.columbia.edu

63 ms

www.studentaffairs.columbia.edu

www.studentaffairs.columbia.edu

22 ms

www.cc-seas.columbia.edu

www.cc-seas.columbia.edu

170 ms

css_o4OXF8rjEthbCpAmlM5rx_JuNzrVCOPge3iwy6hq6Ms.css

css_o4OXF8rjEthbCpAmlM5rx_JuNzrVCOPge3iwy6hq6Ms.css

12 ms

css_RjznwsvicLHi95IC8qMHnkCKEuwj5ympzQo3SwQYzLk.css

css_RjznwsvicLHi95IC8qMHnkCKEuwj5ympzQo3SwQYzLk.css

24 ms

css__mMNqF0qZQ-tDg6Pi8yfnd46BsQWX48o0mlHJ6aOcPM.css

css__mMNqF0qZQ-tDg6Pi8yfnd46BsQWX48o0mlHJ6aOcPM.css

38 ms

css_dOrO4Lp1xVNbBzoT13x-kaeOybbmmK_X-77n9GYppPc.css

css_dOrO4Lp1xVNbBzoT13x-kaeOybbmmK_X-77n9GYppPc.css

34 ms

js_UWQINlriydSoeSiGQxToOUdv493zEa7dpsXC1OtYlZU.js

js_UWQINlriydSoeSiGQxToOUdv493zEa7dpsXC1OtYlZU.js

49 ms

js_kusMwLll2vw2Sq5bY1hPJW-ThsOttIxScYCRQjxvqxQ.js

js_kusMwLll2vw2Sq5bY1hPJW-ThsOttIxScYCRQjxvqxQ.js

33 ms

js_a9cYVj8S92GCirwvRG5VHTB3p8MLH4qhXty_kPfwopo.js

js_a9cYVj8S92GCirwvRG5VHTB3p8MLH4qhXty_kPfwopo.js

35 ms

js_i3tqhhTWxtlYdBsF10OOOaxGwFF9jGonMhHb0FtoUFA.js

js_i3tqhhTWxtlYdBsF10OOOaxGwFF9jGonMhHb0FtoUFA.js

35 ms

ga.js

ga.js

32 ms

css

css

74 ms

__utm.gif

__utm.gif

144 ms

title-hd.png

title-hd.png

72 ms

socialicons.svg

socialicons.svg

23 ms

logo-cc-hd.png

logo-cc-hd.png

22 ms

logo-seas-hd.png

logo-seas-hd.png

20 ms

overlay.png

overlay.png

21 ms

RFda8w1V0eDZheqfcyQ4EHhCUOGz7vYGh680lGh-uXM.woff

RFda8w1V0eDZheqfcyQ4EHhCUOGz7vYGh680lGh-uXM.woff

43 ms

ZvcMqxEwPfh2qDWBPxn6ngi3Hume1-TKjJz2lX0jYjo.woff

ZvcMqxEwPfh2qDWBPxn6ngi3Hume1-TKjJz2lX0jYjo.woff

42 ms

2UX7WLTfW3W8TclTUvlFyQ.woff

2UX7WLTfW3W8TclTUvlFyQ.woff

94 ms

d-6IYplOFocCacKzxwXSOD8E0i7KZn-EPnyo3HZu7kw.woff

d-6IYplOFocCacKzxwXSOD8E0i7KZn-EPnyo3HZu7kw.woff

101 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

32 ms

So5lHxHT37p2SS4-t60SlHpumDtkw9GHrrDfd7ZnWpU.woff

So5lHxHT37p2SS4-t60SlHpumDtkw9GHrrDfd7ZnWpU.woff

102 ms

EYh7Vl4ywhowqULgRdYwIFrTzzUNIOd7dbe75kBQ0MM.woff

EYh7Vl4ywhowqULgRdYwIFrTzzUNIOd7dbe75kBQ0MM.woff

101 ms

BP5K8ZAJv9qEbmuFp8RpJfHZ7IfZvqUgXLEMrfwTXOk.woff

BP5K8ZAJv9qEbmuFp8RpJfHZ7IfZvqUgXLEMrfwTXOk.woff

101 ms

mg0cGfGRUERshzBlvqxeAAm1Bdh5PCvFKhAPu2iWX-U.woff

mg0cGfGRUERshzBlvqxeAAm1Bdh5PCvFKhAPu2iWX-U.woff

100 ms

Zd2E9abXLFGSr9G3YK2MsFzqCfRpIA3W6ypxnPISCPA.woff

Zd2E9abXLFGSr9G3YK2MsFzqCfRpIA3W6ypxnPISCPA.woff

100 ms

b9QBgL0iMZfDSpmcXcE8nCSLrGe-fkSRw2DeVgOoWcQ.woff

b9QBgL0iMZfDSpmcXcE8nCSLrGe-fkSRw2DeVgOoWcQ.woff

102 ms

Accessibility Review

studentaffairs.columbia.edu accessibility score

84

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.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

studentaffairs.columbia.edu best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

studentaffairs.columbia.edu SEO score

88

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Studentaffairs.columbia.edu can be misinterpreted by Google and other search engines. Our service has detected that English 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 Studentaffairs.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

studentaffairs.columbia.edu

Open Graph description is not detected on the main page of Studentaffairs Columbia. 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: