1.7 sec in total
123 ms
1.5 sec
143 ms
Visit health.columbia.edu now to see the best up-to-date Health Columbia content for United States and also check out these interesting facts you probably never knew about health.columbia.edu
Visit health.columbia.eduWe analyzed Health.columbia.edu page load time and found that the first response time was 123 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
health.columbia.edu performance score
name
value
score
weighting
Value4.7 s
13/100
10%
Value11.1 s
0/100
25%
Value9.0 s
14/100
10%
Value1,390 ms
16/100
30%
Value0.933
3/100
15%
Value12.1 s
16/100
10%
123 ms
14 ms
35 ms
32 ms
26 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that 83% of them (58 requests) were addressed to the original Health.columbia.edu, 7% (5 requests) were made to Use.typekit.net and 3% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (858 ms) belongs to the original domain Health.columbia.edu.
Page size can be reduced by 462.2 kB (66%)
701.5 kB
239.3 kB
In fact, the total size of Health.columbia.edu main page is 701.5 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. 50% of websites need less resources to load. Javascripts take 269.2 kB which makes up the majority of the site volume.
Potential reduce by 55.0 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 55.0 kB or 81% of the original size.
Potential reduce by 39.4 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, Health Columbia needs image optimization as it can save up to 39.4 kB or 23% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 209.2 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 209.2 kB or 78% of the original size.
Potential reduce by 158.5 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. Health.columbia.edu needs all CSS files to be minified and compressed as it can save up to 158.5 kB or 81% of the original size.
Number of requests can be reduced by 27 (42%)
64
37
The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Health 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 9 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
health.columbia.edu
123 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
14 ms
css_d6waJ-6VH-8WzICyxfJ4bRzka77hQSd8SYFou2u9D0Q.css
35 ms
css_Pv26rLRUc1onvyBBC3QX03jjmVRbXBrehq6BRhVzUC8.css
32 ms
css_aGOfN_TzE86OIzirAZh7Ksvm24_Mq8uWNJZ08oYRON0.css
26 ms
css_GypmOyWqEu-SmKlPGmolpIpJC_0DeWhKFTTCVaKVjVA.css
35 ms
css_LmfXhAK_xU_ChuBbJbaI9pyv5Wc3Em5257_BnChc9GA.css
33 ms
font-awesome.min.css
36 ms
font-awesome-ie7.min.css
48 ms
css_XyUEXIV0lf7nT6w56yRfpj3GCPBHGETYzptAQGKFbUU.css
52 ms
css_7P0Gjptp4aXYgjiaUYD8jEL6a8c_30vguJc55N16dYQ.css
50 ms
bhb4zhm.js
58 ms
js_TAivGmniPYplskWWw_ovu6QGgy7RF6-vKhbRaJV5eTU.js
59 ms
js_pXSYDLMZzzZpChEAZl_Y0NHxLLZMsIHas4TS3ysfwGI.js
56 ms
js_HtxfVilskiamGV6ayosTwZ3qljTHcUmvM7XXR6L3VZI.js
56 ms
js_PLPuCULLuP6Pj_uWp7znSfMHP2Z3v1jcIEnPQdycaHA.js
58 ms
js_irGYUOGYTYIod5PJZnYc8YSUp_Ax-r4mmoSPqd1cJp8.js
80 ms
js_4tIK15ZcqNqfdH2bGSL28UIiU-VVIGphp9lSIOulhhw.js
62 ms
js_F-7tJ_YcgH8hKJtYv-DUZtzPpl2ymJ6gyJWmTe5wfwo.js
60 ms
css
66 ms
css
77 ms
health.columbia.edu
88 ms
analytics.js
270 ms
columbia-crown-high-res.png
265 ms
health-whats-open-cached.php
771 ms
arrow-down.png
51 ms
Travel_icon_CH-Banner.png
67 ms
ch-svr-banner-01.png
67 ms
SVR_Recruitment_2.jpg
68 ms
ch_aaahc_banner.jpg
66 ms
fbnewsfeedad.jpg
69 ms
service-border-horizontal.png
83 ms
menu-expanded.png
82 ms
arrow-right-small.png
83 ms
border_bottom_horizontal.png
83 ms
btn-scheduleonappt.png
84 ms
btn-emergency.png
92 ms
service-border-horizontal.png
90 ms
icon-dropdown.png
92 ms
sexual_respect_132x120.jpg
858 ms
extlink.png
92 ms
lgbtq.png
849 ms
CH_Disability-icon_0_medium.jpg
811 ms
health-twitter-icon.gif
138 ms
health-facebook-icon.png
139 ms
health-googleplus-icon.gif
157 ms
Facebook_Like_thumbs_up_small.jpg
158 ms
_ico_youtube.png
166 ms
_ico_instagram.png
165 ms
_logo_alice-syndication.gif
816 ms
footer-back.png
196 ms
menu-header-border.png
207 ms
mailto.png
221 ms
menu-right-border.png
245 ms
loading_animation.gif
265 ms
controls.png
289 ms
icon-arrow-left.png
303 ms
icon-pause.png
317 ms
icon-arrow-right.png
328 ms
p.gif
56 ms
1rJPtzgis7hLoT0JKu7x7Vr-ExZAZK7Ld_uRn4izZJvff4OiggMmeMJ6Mk6f5Mb.woff
148 ms
J8sxUa1bh7shvnL-Vmd1TmxYIe9bYSi8IPyHoAOUbBwff4YiggMmeMJ6Mk6f5Mw.woff
203 ms
UiF2ZGbXCjDIDEfZo4Ht6FlTH94QHv4ZxasbQhLl1TMffJxiggMmeMJ6Mk6f5MS.woff
83 ms
BfQP1MR3mJNaumtWa4Tizg.ttf
19 ms
zR-6QGMCFX5j-6nbH_HpIQ.ttf
30 ms
fontawesome-webfont.woff
316 ms
collect
20 ms
health-email-icon.png
329 ms
arrow-right.png
335 ms
icon-open.png
14 ms
health.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
button, link, and menuitem elements do not have accessible names.
health.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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
health.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 Health.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 Health.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.
health.columbia.edu
Open Graph description is not detected on the main page of Health 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: