1.8 sec in total
55 ms
1.6 sec
166 ms
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Visit cos.gatech.eduWe 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.
cos.gatech.edu performance score
name
value
score
weighting
Value6.5 s
2/100
10%
Value10.1 s
0/100
25%
Value8.6 s
17/100
10%
Value430 ms
64/100
30%
Value0.177
68/100
15%
Value7.6 s
46/100
10%
55 ms
106 ms
20 ms
51 ms
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 size can be reduced by 470.3 kB (62%)
758.7 kB
288.4 kB
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.
Potential reduce by 35.1 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 35.1 kB or 75% of the original size.
Potential reduce by 221.0 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.
Potential reduce by 179.3 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.
Potential reduce by 35.0 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. 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.
Number of requests can be reduced by 41 (55%)
75
34
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.
cos.gatech.edu
55 ms
www.cos.gatech.edu
106 ms
aggregator.css
20 ms
node.css
51 ms
defaults.css
47 ms
system.css
46 ms
system-menus.css
48 ms
user.css
44 ms
content-module.css
46 ms
dhtml_menu.css
51 ms
filefield.css
52 ms
simplenews.css
53 ms
views.css
52 ms
style.css
67 ms
jquery.min.js
85 ms
drupal.js
69 ms
dhtml_menu.js
65 ms
hg_reader.css
65 ms
fbox.css
68 ms
fbox_conf.js
91 ms
fbox_engine.js
112 ms
jquery.min.js
68 ms
spinners.js
81 ms
tipped.js
109 ms
tipped.css
80 ms
135 ms
fadeintip.js
98 ms
brand
39 ms
element.js
42 ms
jquery.js
132 ms
jquery.innerfade.js
97 ms
brand
19 ms
66 ms
ga.js
19 ms
all.js
18 ms
translateelement.css
115 ms
main.js
135 ms
gplus-64.png
71 ms
inset-banner3.jpg
59 ms
bgUtilityNav.gif
57 ms
bgUtilityNavItem.gif
57 ms
bgSearch.gif
58 ms
JamesWray.gif
57 ms
JudithCurry.jpg
66 ms
Ballantyne_thumb.jpg
66 ms
newman_0.jpg
67 ms
peng.gif
66 ms
CarolPaty.jpg
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RuthKanfer_0.jpg
66 ms
scitech12-13-3.gif
86 ms
maillist_icon.gif
86 ms
buzz_default.gif
103 ms
inventure.png
103 ms
KimCobbHS.jpg
85 ms
El-sayed.jpg
101 ms
El-Sayed%20Pic.jpg
118 ms
miltonhigh.png
117 ms
facebook.png
132 ms
twitter.png
193 ms
youtube.png
187 ms
flickr-icon.png
129 ms
li.png
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tadpoles.jpg
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subscribebu2.jpg
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fan_epigenetics_198.jpg
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google_custom_search_watermark.gif
81 ms
__utm.gif
35 ms
bottommod-bg-yel.png
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xd_arbiter.php
37 ms
xd_arbiter.php
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bottommod-bg.png
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element_main.js
47 ms
bottom-bg.png
25 ms
bgFooter.gif
29 ms
close.png
25 ms
spacer.gif
1033 ms
indicator.gif
1108 ms
translate_24dp.png
20 ms
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cleardot.gif
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te_ctrl3.gif
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cos.gatech.edu accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[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
Links do not have a discernible name
cos.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
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
cos.gatech.edu SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
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.
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: