1.1 sec in total
31 ms
899 ms
185 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 31 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.
us.elsevierhealth.com performance score
name
value
score
weighting
Value2.4 s
69/100
10%
Value4.5 s
37/100
25%
Value6.2 s
43/100
10%
Value910 ms
31/100
30%
Value0.012
100/100
15%
Value12.4 s
14/100
10%
31 ms
716 ms
41 ms
41 ms
39 ms
Our browser made a total of 23 requests to load all elements on the main page. We found that 96% of them (22 requests) were addressed to the original Us.elsevierhealth.com, 4% (1 request) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (716 ms) belongs to the original domain Us.elsevierhealth.com.
Page size can be reduced by 284.4 kB (38%)
747.9 kB
463.4 kB
In fact, the total size of Us.elsevierhealth.com main page is 747.9 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. HTML takes 300.6 kB which makes up the majority of the site volume.
Potential reduce by 257.9 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 45.1 kB, which is 15% 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 257.9 kB or 86% of the original size.
Potential reduce by 26.0 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, US Elsevier Health needs image optimization as it can save up to 26.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 23 B
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 512 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. Us.elsevierhealth.com has all CSS files already compressed.
Number of requests can be reduced by 5 (25%)
20
15
The browser has sent 20 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 6 to 1 for CSS and as a result speed up the page load time.
us.elsevierhealth.com
31 ms
www.us.elsevierhealth.com
716 ms
calendar.min.css
41 ms
styles-m.min.css
41 ms
amslick.min.css
39 ms
jquery.fancybox.min.css
39 ms
styles-l.min.css
86 ms
logo.svg
76 ms
mlogo.png
78 ms
menu_icon.svg
57 ms
login-icon.png
57 ms
flags.png
58 ms
rocket-loader.min.js
14 ms
IND-hp_20.png
20 ms
IND-sub-w_10.png
20 ms
Spring24-hot-topic.png
22 ms
promo_icon.png
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arrow-icon.png
22 ms
social_ico.svg
31 ms
relx.svg
33 ms
print.min.css
51 ms
Luma-Icons.woff
18 ms
otSDKStub.js
30 ms
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
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
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.
us.elsevierhealth.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
EN
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 it matches the claimed language. 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: