Tools & Wizards About Us
cos.gatech.edu screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

cos.gatech.edu

College of Sciences | College of Sciences | Georgia Institute of Technology | Atlanta, GA

Page Load Speed

1.8 sec in total

First Response

55 ms

Resources Loaded

1.6 sec

Page Rendered

166 ms

cos.gatech.edu screenshot

About Website

Welcome to cos.gatech.edu homepage info - get ready to check Cos GA Tech best content for United States right away, or after learning these important things about cos.gatech.edu

Check out the latest news, videos and event information. Find experts, research centers as well as information for students, faculty and alumni.

Visit cos.gatech.edu

Key Findings

We analyzed Cos.gatech.edu page load time and found that the first response time was 55 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

cos.gatech.edu performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.177

68/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

cos.gatech.edu

55 ms

www.cos.gatech.edu

106 ms

aggregator.css

20 ms

node.css

51 ms

defaults.css

47 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 77% of them (63 requests) were addressed to the original Cos.gatech.edu, 6% (5 requests) were made to Translate.googleapis.com and 4% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Cos.gatech.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 470.3 kB (62%)

Content Size

758.7 kB

After Optimization

288.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cos.gatech.edu main page is 758.7 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. 45% of websites need less resources to load. Javascripts take 345.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 35.1 kB

  • Original 46.5 kB
  • After minification 44.2 kB
  • After compression 11.4 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 35.1 kB or 75% of the original size.

Image Optimization

-69%

Potential reduce by 221.0 kB

  • Original 318.6 kB
  • After minification 97.6 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, Cos GA Tech needs image optimization as it can save up to 221.0 kB or 69% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-52%

Potential reduce by 179.3 kB

  • Original 345.1 kB
  • After minification 298.9 kB
  • After compression 165.7 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 179.3 kB or 52% of the original size.

CSS Optimization

-72%

Potential reduce by 35.0 kB

  • Original 48.6 kB
  • After minification 37.5 kB
  • After compression 13.7 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. Cos.gatech.edu needs all CSS files to be minified and compressed as it can save up to 35.0 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (55%)

Requests Now

75

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cos GA Tech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cos.gatech.edu

cos.gatech.edu

55 ms

www.cos.gatech.edu

www.cos.gatech.edu

106 ms

aggregator.css

aggregator.css

20 ms

node.css

node.css

51 ms

defaults.css

defaults.css

47 ms

system.css

system.css

46 ms

system-menus.css

system-menus.css

48 ms

user.css

user.css

44 ms

content-module.css

content-module.css

46 ms

dhtml_menu.css

dhtml_menu.css

51 ms

filefield.css

filefield.css

52 ms

simplenews.css

simplenews.css

53 ms

views.css

views.css

52 ms

style.css

style.css

67 ms

jquery.min.js

jquery.min.js

85 ms

drupal.js

drupal.js

69 ms

dhtml_menu.js

dhtml_menu.js

65 ms

hg_reader.css

hg_reader.css

65 ms

fbox.css

fbox.css

68 ms

fbox_conf.js

fbox_conf.js

91 ms

fbox_engine.js

fbox_engine.js

112 ms

jquery.min.js

jquery.min.js

68 ms

spinners.js

spinners.js

81 ms

tipped.js

tipped.js

109 ms

tipped.css

tipped.css

80 ms

135 ms

fadeintip.js

fadeintip.js

98 ms

brand

brand

39 ms

element.js

element.js

42 ms

jquery.js

jquery.js

132 ms

jquery.innerfade.js

jquery.innerfade.js

97 ms

brand

brand

19 ms

66 ms

ga.js

ga.js

19 ms

all.js

all.js

18 ms

translateelement.css

translateelement.css

115 ms

main.js

main.js

135 ms

gplus-64.png

gplus-64.png

71 ms

inset-banner3.jpg

inset-banner3.jpg

59 ms

bgUtilityNav.gif

bgUtilityNav.gif

57 ms

bgUtilityNavItem.gif

bgUtilityNavItem.gif

57 ms

bgSearch.gif

bgSearch.gif

58 ms

JamesWray.gif

JamesWray.gif

57 ms

JudithCurry.jpg

JudithCurry.jpg

66 ms

Ballantyne_thumb.jpg

Ballantyne_thumb.jpg

66 ms

newman_0.jpg

newman_0.jpg

67 ms

peng.gif

peng.gif

66 ms

CarolPaty.jpg

CarolPaty.jpg

66 ms

RuthKanfer_0.jpg

RuthKanfer_0.jpg

66 ms

scitech12-13-3.gif

scitech12-13-3.gif

86 ms

maillist_icon.gif

maillist_icon.gif

86 ms

buzz_default.gif

buzz_default.gif

103 ms

inventure.png

inventure.png

103 ms

KimCobbHS.jpg

KimCobbHS.jpg

85 ms

El-sayed.jpg

El-sayed.jpg

101 ms

El-Sayed%20Pic.jpg

El-Sayed%20Pic.jpg

118 ms

miltonhigh.png

miltonhigh.png

117 ms

facebook.png

facebook.png

132 ms

twitter.png

twitter.png

193 ms

youtube.png

youtube.png

187 ms

flickr-icon.png

flickr-icon.png

129 ms

li.png

li.png

131 ms

tadpoles.jpg

tadpoles.jpg

132 ms

subscribebu2.jpg

subscribebu2.jpg

183 ms

fan_epigenetics_198.jpg

fan_epigenetics_198.jpg

188 ms

google_custom_search_watermark.gif

google_custom_search_watermark.gif

81 ms

__utm.gif

__utm.gif

35 ms

bottommod-bg-yel.png

bottommod-bg-yel.png

139 ms

213 ms

xd_arbiter.php

xd_arbiter.php

37 ms

xd_arbiter.php

xd_arbiter.php

58 ms

bottommod-bg.png

bottommod-bg.png

63 ms

element_main.js

element_main.js

47 ms

bottom-bg.png

bottom-bg.png

25 ms

bgFooter.gif

bgFooter.gif

29 ms

close.png

close.png

25 ms

spacer.gif

spacer.gif

1033 ms

indicator.gif

indicator.gif

1108 ms

translate_24dp.png

translate_24dp.png

20 ms

l

l

44 ms

cleardot.gif

cleardot.gif

16 ms

te_ctrl3.gif

te_ctrl3.gif

11 ms

Accessibility Review

cos.gatech.edu accessibility score

96

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

cos.gatech.edu best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

cos.gatech.edu SEO score

76

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cos.gatech.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 Cos.gatech.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

cos.gatech.edu

Open Graph description is not detected on the main page of Cos GA Tech. 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: