1.8 sec in total
271 ms
1.3 sec
271 ms
Welcome to jamanetwork.com homepage info - get ready to check JAMA Network best content for United States right away, or after learning these important things about jamanetwork.com
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Visit jamanetwork.comWe analyzed Jamanetwork.com page load time and found that the first response time was 271 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.
jamanetwork.com performance score
name
value
score
weighting
Value4.5 s
16/100
10%
Value6.2 s
11/100
25%
Value6.7 s
36/100
10%
Value1,280 ms
18/100
30%
Value0
100/100
15%
Value15.1 s
7/100
10%
271 ms
18 ms
30 ms
71 ms
11 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 9% of them (7 requests) were addressed to the original Jamanetwork.com, 32% (24 requests) were made to Amaprod.silverchaircdn.com and 11% (8 requests) were made to V4.moatads.com. The less responsive or slowest element that took the longest time to load (337 ms) relates to the external source Amaprod.silverchaircdn.com.
Page size can be reduced by 794.8 kB (52%)
1.5 MB
719.6 kB
In fact, the total size of Jamanetwork.com main page is 1.5 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. Javascripts take 756.0 kB which makes up the majority of the site volume.
Potential reduce by 72.2 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 14.8 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 72.2 kB or 79% of the original size.
Potential reduce by 95.6 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, JAMA Network needs image optimization as it can save up to 95.6 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 517.8 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 517.8 kB or 68% of the original size.
Potential reduce by 109.2 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. Jamanetwork.com needs all CSS files to be minified and compressed as it can save up to 109.2 kB or 82% of the original size.
Number of requests can be reduced by 46 (75%)
61
15
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JAMA Network. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and as a result speed up the page load time.
jamanetwork.com
271 ms
18 ms
jquery.min.js
30 ms
WebForms.js
71 ms
WebResource.axd
11 ms
WebUIValidation.js
97 ms
ScriptResource.axd
58 ms
ScriptResource.axd
51 ms
index.aspx
49 ms
APIModules_all.js
20 ms
jquery.jgfeed.js
146 ms
337 ms
gpt.js
19 ms
150213-oncology-featured-product-image.jpg
335 ms
1602-sepsis.png
207 ms
b_search_microsite.gif
9 ms
b_twitter.png
10 ms
b_facebook.png
13 ms
s_cover_jcv022316.png
14 ms
CARDIOLOGY.jpg
10 ms
s_cover_d0216.png
9 ms
s_cover_q0116.png
12 ms
s_cover_i0216.png
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s_cover_s0216.png
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ajax-loader.gif
23 ms
img_subscribe.png
47 ms
LibSyn360x30.png
24 ms
logo-theJAMAforum-2013.png
47 ms
pubads_impl_81.js
12 ms
container.html
40 ms
gtm.js
62 ms
ads
106 ms
sprite_images.png
24 ms
ga.js
24 ms
analytics.js
64 ms
__utm.gif
51 ms
13771397659605840295
73 ms
moatad.js
43 ms
collect
107 ms
osd.js
42 ms
collect
41 ms
collect
44 ms
collect
43 ms
collect
43 ms
collect
99 ms
collect
141 ms
collect
140 ms
sprite_masthead_logos_13v2.png
28 ms
pixel.gif
20 ms
pixel.gif
18 ms
widgets.js
33 ms
2331324932559845352
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pixel.gif
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pixel.gif
26 ms
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pixel.gif
148 ms
bg_carousel.png
101 ms
timeline.1b43d11859b7663a2225b885f87704a5.js
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gradient_carousel.png
16 ms
e9_.js
26 ms
icomoon.woff
5 ms
pixel.gif
9 ms
syndication
103 ms
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275 ms
pixel.gif
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6 ms
timeline.4d087f49a21e27038d9769d7c976b8fa.default.css
75 ms
load
70 ms
b_resize.gif
59 ms
jamanetwork.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-hidden="true"] elements contain focusable descendents
ARIA IDs are not unique
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
jamanetwork.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
jamanetwork.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jamanetwork.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 Jamanetwork.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.
jamanetwork.com
Open Graph description is not detected on the main page of JAMA Network. 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: