1.5 sec in total
29 ms
699 ms
817 ms
Visit dermatology.columbia.edu now to see the best up-to-date Dermatology Columbia content for United States and also check out these interesting facts you probably never knew about dermatology.columbia.edu
The Department of Dermatology encompasses outstanding patient care, academic programs, and research programs aimed at developing new cures and treatments for skin disorders.
Visit dermatology.columbia.eduWe analyzed Dermatology.columbia.edu page load time and found that the first response time was 29 ms and then it took 1.5 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.
dermatology.columbia.edu performance score
name
value
score
weighting
Value6.8 s
2/100
10%
Value9.3 s
1/100
25%
Value7.3 s
29/100
10%
Value560 ms
53/100
30%
Value0.531
14/100
15%
Value14.3 s
9/100
10%
29 ms
18 ms
23 ms
11 ms
8 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 84% of them (41 requests) were addressed to the original Dermatology.columbia.edu, 8% (4 requests) were made to F.vimeocdn.com and 4% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (176 ms) relates to the external source F.vimeocdn.com.
Page size can be reduced by 436.7 kB (73%)
596.8 kB
160.1 kB
In fact, the total size of Dermatology.columbia.edu main page is 596.8 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. 40% of websites need less resources to load. Javascripts take 451.9 kB which makes up the majority of the site volume.
Potential reduce by 18.1 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 18.1 kB or 83% of the original size.
Potential reduce by 310.1 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 310.1 kB or 69% of the original size.
Potential reduce by 108.5 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. Dermatology.columbia.edu needs all CSS files to be minified and compressed as it can save up to 108.5 kB or 88% of the original size.
Number of requests can be reduced by 14 (30%)
47
33
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dermatology 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 as a result speed up the page load time.
dermatology.columbia.edu
29 ms
style.css
18 ms
swfobject.js
23 ms
jquery-1.2.6.min.js
11 ms
rollovers.js
8 ms
menumachine2.js
8 ms
menuspecs.js
39 ms
bg.gif
23 ms
left_nav_bg.gif
25 ms
nav_img.gif
71 ms
top_nav_patients.gif
34 ms
top_nav_clinicians.gif
70 ms
top_nav_residency.gif
28 ms
btn_search.gif
22 ms
title_welcome.gif
24 ms
logo_chnyp.gif
33 ms
logo_npy.gif
34 ms
w3cdom.js
16 ms
nav_home.gif
57 ms
nav_r_home.gif
57 ms
nav_about.gif
59 ms
nav_r_about.gif
55 ms
arrpixsmlright_caedf9.gif
58 ms
nav_physicians.gif
53 ms
nav_r_physicians.gif
61 ms
nav_cds.gif
59 ms
nav_r_cds.gif
89 ms
nav_ct.gif
87 ms
nav_r_ct.gif
88 ms
nav_research.gif
88 ms
nav_r_research.gif
88 ms
nav_education.gif
87 ms
nav_r_education.gif
96 ms
nav_contact.gif
128 ms
nav_r_contact.gif
134 ms
top_sub_nav_bg.gif
135 ms
top_footer_nav_bg.gif
96 ms
content_bg.gif
96 ms
top_nav_patients_over.gif
134 ms
top_nav_clinicians_over.gif
134 ms
top_nav_residency_over.gif
161 ms
103265786
171 ms
player.js
176 ms
player.css
153 ms
ga.js
56 ms
vuid.min.js
150 ms
__utm.gif
20 ms
proxy.html
78 ms
499913292.webp
117 ms
dermatology.columbia.edu accessibility score
dermatology.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
Page has valid source maps
dermatology.columbia.edu SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dermatology.columbia.edu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Dermatology.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.
dermatology.columbia.edu
Open Graph description is not detected on the main page of Dermatology 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: