6.3 sec in total
115 ms
5.4 sec
789 ms
Visit preventivemedicine.northwestern.edu now to see the best up-to-date Preventive Medicine Northwestern content for United States and also check out these interesting facts you probably never knew about preventivemedicine.northwestern.edu
Find out about the training and research missions of the Department of Preventive Medicine at Northwestern University Feinberg School of Medicine.
Visit preventivemedicine.northwestern.eduWe analyzed Preventivemedicine.northwestern.edu page load time and found that the first response time was 115 ms and then it took 6.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
preventivemedicine.northwestern.edu performance score
name
value
score
weighting
Value3.9 s
26/100
10%
Value19.0 s
0/100
25%
Value9.2 s
13/100
10%
Value9,600 ms
0/100
30%
Value0
100/100
15%
Value19.1 s
3/100
10%
115 ms
102 ms
171 ms
114 ms
346 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that 21% of them (12 requests) were addressed to the original Preventivemedicine.northwestern.edu, 11% (6 requests) were made to Deptcommon.fsm.northwestern.edu and 9% (5 requests) were made to Medtargetsystem.com. The less responsive or slowest element that took the longest time to load (3 sec) relates to the external source Medtargetsystem.com.
Page size can be reduced by 215.2 kB (10%)
2.3 MB
2.0 MB
In fact, the total size of Preventivemedicine.northwestern.edu main page is 2.3 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. 70% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.
Potential reduce by 33.7 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 6.8 kB, which is 16% 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 33.7 kB or 78% of the original size.
Potential reduce by 179.2 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. Preventive Medicine Northwestern images are well optimized though.
Potential reduce by 2.2 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. This website has mostly compressed JavaScripts.
Potential reduce by 58 B
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. Preventivemedicine.northwestern.edu has all CSS files already compressed.
Number of requests can be reduced by 21 (46%)
46
25
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Preventive Medicine Northwestern. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
preventivemedicine.northwestern.edu
115 ms
preventivemedicine.northwestern.edu
102 ms
www.preventivemedicine.northwestern.edu
171 ms
bootstrap.min.css
114 ms
all.css
346 ms
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css
303 ms
landing-page.css
351 ms
jquery-3.4.1.min.js
248 ms
popper.min.js
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bootstrap.min.js
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slick.min.js
264 ms
common.js
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youtube-overlay.js
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beacon.js
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twitter-social-icon-square-color-150-150.jpg
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bullet.png
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podcast-icon.svg
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slashes-grey-bg.gif
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grey-slash.svg
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arrow-right-white.svg
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fa-regular-400.woff
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analytics.js
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preventivemedicine.northwestern.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
<object> elements do not have alternate text
preventivemedicine.northwestern.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
Browser errors were logged to the console
Page has valid source maps
preventivemedicine.northwestern.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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Preventivemedicine.northwestern.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 Preventivemedicine.northwestern.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.
preventivemedicine.northwestern.edu
Open Graph data is detected on the main page of Preventive Medicine Northwestern. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: