1.6 sec in total
359 ms
933 ms
271 ms
Welcome to globalcenters.columbia.edu homepage info - get ready to check Global Centers Columbia best content for United States right away, or after learning these important things about globalcenters.columbia.edu
Visit globalcenters.columbia.eduWe analyzed Globalcenters.columbia.edu page load time and found that the first response time was 359 ms and then it took 1.2 sec 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.
globalcenters.columbia.edu performance score
name
value
score
weighting
Value3.5 s
36/100
10%
Value9.1 s
1/100
25%
Value10.9 s
7/100
10%
Value5,060 ms
1/100
30%
Value0.538
14/100
15%
Value22.3 s
1/100
10%
359 ms
54 ms
63 ms
48 ms
68 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 73% of them (36 requests) were addressed to the original Globalcenters.columbia.edu, 8% (4 requests) were made to F.vimeocdn.com and 6% (3 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (359 ms) belongs to the original domain Globalcenters.columbia.edu.
Page size can be reduced by 691.8 kB (32%)
2.2 MB
1.5 MB
In fact, the total size of Globalcenters.columbia.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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 39.1 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. This page needs HTML code to be minified as it can gain 6.2 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 39.1 kB or 82% of the original size.
Potential reduce by 53.6 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. Global Centers Columbia images are well optimized though.
Potential reduce by 416.1 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 416.1 kB or 70% of the original size.
Potential reduce by 183.0 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. Globalcenters.columbia.edu needs all CSS files to be minified and compressed as it can save up to 183.0 kB or 85% of the original size.
Number of requests can be reduced by 20 (42%)
48
28
The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Global Centers 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 8 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
globalcenters.columbia.edu
359 ms
css_kShW4RPmRstZ3SpIC-ZvVGNFVAi0WEMuCnI0ZkYIaFw.css
54 ms
css_zxMGfsyiZQg7p1hmHUrlabPm4x827G31P8XF-KFUTfc.css
63 ms
css_JonUEruIrmUj1iTSQ2nU67rxq0apfU2FAyIZCDEFCVw.css
48 ms
css_KrwvT8aBgd51Zj_Yilt3YHHHa4vIQ24xCNeuPSQ3AIs.css
68 ms
js_UWQINlriydSoeSiGQxToOUdv493zEa7dpsXC1OtYlZU.js
78 ms
js_2aR0o-TLLmz5NjKdrLPbPFGbDstHMM9oKZwS0_t2Zao.js
87 ms
js_MBB_dB3Wam0RZBL-JuJG_JQBzvlPtwv6-xJWB38qMuQ.js
106 ms
js_mixYUWmTBp_ng7OiWgHhoO6BmfEPznWFfuQgP_CGNtE.js
104 ms
analytics.js
112 ms
136547529
120 ms
header.jpg
85 ms
mini-crown2.gif
27 ms
map-mini.png
84 ms
starmap.png
73 ms
map-mini-gr.gif
41 ms
how_to_save_the_middle_east.png
148 ms
dsc_0062_0.jpg
99 ms
alexi_624x208v3.png
184 ms
Low.png
298 ms
beijing_a_river.png
183 ms
btn_makeagift.gif
99 ms
footer_icons.jpg
145 ms
header_gr.gif
145 ms
search_bg.jpg
170 ms
search_left.jpg
197 ms
search_right.jpg
174 ms
fb_icon.png
202 ms
twitter_icon.png
205 ms
vimeo_icon.png
297 ms
youtube_in_icon.png
299 ms
linked_in_icon.png
298 ms
instagram40.png
303 ms
itunes-logo.png
303 ms
loading_animation.gif
302 ms
controls.png
302 ms
dots.png
305 ms
105601699
77 ms
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73 ms
player.js
177 ms
player.css
149 ms
ga.js
65 ms
vuid.min.js
118 ms
__utm.gif
34 ms
__utm.gif
15 ms
proxy.html
51 ms
526989092.jpg
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104845.png
59 ms
css_LSTafcMDdaJANKoVLZbhIkEEpSoqRQNmZg8uKr05tm0.css
63 ms
globalcenters.columbia.edu accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
button, link, and menuitem elements do not have accessible names.
[role] values are not valid
globalcenters.columbia.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Registers an unload listener
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
globalcenters.columbia.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 Globalcenters.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 Globalcenters.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.
globalcenters.columbia.edu
Open Graph description is not detected on the main page of Global Centers 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: