4.5 sec in total
196 ms
3.2 sec
1.1 sec
Visit ncdp.columbia.edu now to see the best up-to-date NCDP Columbia content for United States and also check out these interesting facts you probably never knew about ncdp.columbia.edu
The National Center for Disaster Preparedness (NCDP), Columbia Climate School, at Columbia University works to understand and improve the nation’s capacity to prepare for, respond to and recover from ...
Visit ncdp.columbia.eduWe analyzed Ncdp.columbia.edu page load time and found that the first response time was 196 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
ncdp.columbia.edu performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value18.7 s
0/100
25%
Value10.2 s
8/100
10%
Value5,330 ms
0/100
30%
Value0.002
100/100
15%
Value20.2 s
2/100
10%
196 ms
421 ms
173 ms
353 ms
315 ms
Our browser made a total of 86 requests to load all elements on the main page. We found that 90% of them (77 requests) were addressed to the original Ncdp.columbia.edu, 3% (3 requests) were made to Static.addtoany.com and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Ncdp.columbia.edu.
Page size can be reduced by 211.4 kB (11%)
2.0 MB
1.8 MB
In fact, the total size of Ncdp.columbia.edu main page is 2.0 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. 55% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 87.6 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 87.6 kB or 84% of the original size.
Potential reduce by 24.5 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. NCDP Columbia images are well optimized though.
Potential reduce by 90.0 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 90.0 kB or 40% of the original size.
Potential reduce by 9.3 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. Ncdp.columbia.edu needs all CSS files to be minified and compressed as it can save up to 9.3 kB or 16% of the original size.
Number of requests can be reduced by 43 (52%)
83
40
The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NCDP 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 27 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.
ncdp.columbia.edu
196 ms
ncdp.columbia.edu
421 ms
css
173 ms
js
353 ms
prettyPhoto.css
315 ms
wp-video-lightbox.css
314 ms
nivo-slider.css
313 ms
style.css
307 ms
style.css
314 ms
superfish.css
304 ms
158dc.css
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font-awesome.min.css
456 ms
shortcodes.css
450 ms
style.css
425 ms
social_widget.css
425 ms
blocks.css
451 ms
addtoany.min.css
615 ms
jquery-ui-1.8.16.custom.css
612 ms
custom.css
609 ms
9f9cc.js
639 ms
jquery.prettyPhoto.js
619 ms
video-lightbox.js
620 ms
frontend-gtag.min.js
723 ms
addtoany.min.js
720 ms
buttons.js
331 ms
6c768.js
733 ms
jquery.nivo.slider.pack.js
752 ms
jquery.hoverIntent.minified.js
708 ms
superfish.js
754 ms
jquery.dataTables.js
887 ms
js.js
813 ms
shortcodes.js
804 ms
jquery.fullcalendar.min.js
838 ms
jquery.simplemodal.1.4.3.min.js
805 ms
jquery.mousewheel.min.js
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jquery.jgrowl.min.js
892 ms
d4a66.js
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jquery.init_show_calendar.js
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93111.js
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swfobject.js
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wp-emoji-release.min.js
998 ms
js
53 ms
analytics.js
42 ms
collect
107 ms
page.js
57 ms
eso.e18d3993.js
15 ms
bg_fabric.png
663 ms
ncdp_ccs_h_545x89.png
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nav_icon_arrow.png
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subnav_icon_arrow.png
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loading.gif
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Tornado.jpg
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faith.jpg
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covid19_carousel.jpg
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perspectives.jpg
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outbreak-coronavirus-world-1024x506px-563x203.jpg
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UtilityThoughtLeadershipFeaturedWork.png
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rcrc_launch.jpg
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tornado.jpg
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Ida_Flooding_NJ_AP2-107x107.png
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ncdp-perspectives-read-more.png
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facebook.png
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twitter.png
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linkedin.png
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vimeo.png
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sharethis.png
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ncdp_ccs_f_465x88_v2.png
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Roboto-Condensed-webfont.woff
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sm.23.html
56 ms
nav_carousel_bottom.png
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741 ms
shortcodes-tablet.css
86 ms
shortcodes-mobile.css
100 ms
ncdp.columbia.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
ncdp.columbia.edu best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
ncdp.columbia.edu SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ncdp.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 Ncdp.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.
ncdp.columbia.edu
Open Graph data is detected on the main page of NCDP Columbia. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: