4.9 sec in total
189 ms
4.4 sec
332 ms
Welcome to us.elsevierhealth.com homepage info - get ready to check US Elsevier Health best content for United States right away, or after learning these important things about us.elsevierhealth.com
Professional medical textbooks for the medical, dental, veterinary, nursing, and other health professional fields. Free UPS Shipping on all orders.
Visit us.elsevierhealth.comWe analyzed Us.elsevierhealth.com page load time and found that the first response time was 189 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
us.elsevierhealth.com performance score
name
value
score
weighting
Value2.6 s
64/100
10%
Value3.9 s
51/100
25%
Value8.7 s
16/100
10%
Value7,630 ms
0/100
30%
Value0.01
100/100
15%
Value21.1 s
1/100
10%
189 ms
806 ms
102 ms
114 ms
114 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original Us.elsevierhealth.com, 62% (50 requests) were made to Secure-ecsd.elsevier.com and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (806 ms) belongs to the original domain Us.elsevierhealth.com.
Page size can be reduced by 870.9 kB (50%)
1.7 MB
866.7 kB
In fact, the total size of Us.elsevierhealth.com main page is 1.7 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. 60% of websites need less resources to load. Javascripts take 885.1 kB which makes up the majority of the site volume.
Potential reduce by 140.6 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 140.6 kB or 86% of the original size.
Potential reduce by 38.3 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. US Elsevier Health images are well optimized though.
Potential reduce by 630.0 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 630.0 kB or 71% of the original size.
Potential reduce by 62.0 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. Us.elsevierhealth.com needs all CSS files to be minified and compressed as it can save up to 62.0 kB or 84% of the original size.
Number of requests can be reduced by 28 (37%)
75
47
The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of US Elsevier Health. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.
us.elsevierhealth.com
189 ms
www.us.elsevierhealth.com
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optimizedCore.css
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colorbox.css
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helpbox.css
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ntpagetag.js
62 ms
aitrk_secure.js
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common.jquery.juif.site.autosub.js
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jquery-ui-1.8.18.custom.js
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helpbox.js
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hoverinthomefunc.js
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conversion.js
16 ms
gtm.js
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elsevier-mosby-usa-logo.gif
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gprofile_button-16.png
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widgets.js
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welcome.asp
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unica_eluminate.js
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icon_arrowUp.gif
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activityi;src=4895549;type=retar;cat=retar;ord=4178185434779;~oref=http%3A%2F%2Fwww.us.elsevierhealth.com%2F
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us.elsevierhealth.com 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
[role]s do not have all required [aria-*] attributes
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
us.elsevierhealth.com 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
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
us.elsevierhealth.com 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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Us.elsevierhealth.com 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 Us.elsevierhealth.com 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.
us.elsevierhealth.com
Open Graph description is not detected on the main page of US Elsevier Health. 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: