1.2 sec in total
167 ms
764 ms
234 ms
Click here to check amazing C 21 U Gatech content for United States. Otherwise, check out these important facts you probably never knew about c21u.gatech.edu
Established in 2010, the Center for 21st Century Universities (C21U) is Georgia Tech’s living laboratory for fundamental change in education. Serving as a research arm of the Office of the Provost, C2...
Visit c21u.gatech.eduWe analyzed C21u.gatech.edu page load time and found that the first response time was 167 ms and then it took 998 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
c21u.gatech.edu performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value7.5 s
4/100
25%
Value5.3 s
58/100
10%
Value170 ms
93/100
30%
Value0.111
87/100
15%
Value7.9 s
43/100
10%
167 ms
23 ms
37 ms
37 ms
52 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that 60% of them (31 requests) were addressed to the original C21u.gatech.edu, 12% (6 requests) were made to Dsms0mj1bbhn4.cloudfront.net and 8% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (305 ms) belongs to the original domain C21u.gatech.edu.
Page size can be reduced by 387.8 kB (18%)
2.2 MB
1.8 MB
In fact, the total size of C21u.gatech.edu main page is 2.2 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. 50% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.
Potential reduce by 25.2 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 25.2 kB or 75% of the original size.
Potential reduce by 98.6 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. C 21 U Gatech images are well optimized though.
Potential reduce by 178.1 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 178.1 kB or 65% of the original size.
Potential reduce by 86.0 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. C21u.gatech.edu needs all CSS files to be minified and compressed as it can save up to 86.0 kB or 80% of the original size.
Number of requests can be reduced by 32 (63%)
51
19
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C 21 U Gatech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
c21u.gatech.edu
167 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
23 ms
css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css
37 ms
css_kCW-ZeKyE-vdf152lvzljJTkb0K4YvDO24AzXe_H4JM.css
37 ms
css_YoJ8svL95Ynl6CcC7TbdBNh9exR35Mq4YfG2aR6KvRo.css
52 ms
css_hUYZdxCKdyZ7Y4AhtDWqJ8GhVeaXNtTHJKWNTY8-zJg.css
47 ms
jquery-1.5.2.min.js
6 ms
js_3TykeRWpejhD4-J3vdlaNXdULg9xhOZhbsppK0o2bUs.js
46 ms
js_obFUyTbqtcoGQtszVI46l1_oD927PzlDtlr_ilpYBqE.js
66 ms
js_-A5vKkm_hAyM9BQFlpVlu-62i2rY5OrKqKS7DhQ0eiQ.js
67 ms
js_5l1djvWoKGd_GxrOJDG6GjXLtt7Ix4T67tGS5Ibfg6o.js
78 ms
js_MenC8PZhqCfC8NZjtMPMYbcBsVMijjEytI_b3YmMy3s.js
68 ms
js_SCc8lM4TEl3XUaEQ0VNxQwbL2EaDAoY38DzBQrCgVB4.js
67 ms
recipe.js
72 ms
ga.js
73 ms
widgets.js
58 ms
body-bg.gif
55 ms
c21u-logo-01_1.png
101 ms
twitter.png
55 ms
google-plus.png
51 ms
linkedin.png
52 ms
youtube.png
52 ms
pinterest.png
57 ms
menu-bg.gif
56 ms
menu-left-bg.gif
56 ms
menu-right-bg.gif
57 ms
programs3_0.jpg
130 ms
research.jpg
172 ms
new-banner-lab.jpg
194 ms
bgSSmenu.png
71 ms
edX-announce-social-graphic.png
305 ms
menu-leaf.gif
73 ms
arrows-ffffff.png
97 ms
shadow.png
118 ms
shareaholic_analytics.js
48 ms
__utm.gif
32 ms
timeline.1b43d11859b7663a2225b885f87704a5.js
32 ms
wp-loader.js
13 ms
ga.js
29 ms
header-notifications.js
19 ms
syndication
124 ms
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xdmStore.js
50 ms
__utm.gif
23 ms
remote.html
11 ms
notifications.css
7 ms
notifications
53 ms
bgSSmenu-hover2.png
23 ms
timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
3 ms
timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
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utbr3i39blkxy664heg4_normal.jpeg
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analytics_frame.html
135 ms
c21u.gatech.edu accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Image elements do not have [alt] attributes
Links do not have a discernible name
c21u.gatech.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
c21u.gatech.edu SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise C21u.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 C21u.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.
c21u.gatech.edu
Open Graph description is not detected on the main page of C 21 U Gatech. 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: