1.8 sec in total
363 ms
1.1 sec
318 ms
Visit jaha.ahajournals.org now to see the best up-to-date Jaha Ahajournals content for United States and also check out these interesting facts you probably never knew about jaha.ahajournals.org
Journal of the American Heart Association (JAHA) is an authoritative, peer-reviewed Open Access journal focusing on cardiovascular and cerebrovascular disease
Visit jaha.ahajournals.orgWe analyzed Jaha.ahajournals.org page load time and found that the first response time was 363 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster. This domain responded with an error, which can significantly jeopardize Jaha.ahajournals.org rating and web reputation
jaha.ahajournals.org performance score
name
value
score
weighting
Value3.7 s
31/100
10%
Value14.2 s
0/100
25%
Value8.0 s
22/100
10%
Value2,830 ms
3/100
30%
Value0.292
41/100
15%
Value17.3 s
4/100
10%
363 ms
134 ms
145 ms
139 ms
142 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 74% of them (45 requests) were addressed to the original Jaha.ahajournals.org, 8% (5 requests) were made to V4.moatads.com and 5% (3 requests) were made to Ad.doubleclick.net. The less responsive or slowest element that took the longest time to load (363 ms) belongs to the original domain Jaha.ahajournals.org.
Page size can be reduced by 342.5 kB (46%)
749.2 kB
406.7 kB
In fact, the total size of Jaha.ahajournals.org main page is 749.2 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 312.5 kB which makes up the majority of the site volume.
Potential reduce by 38.9 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 16.9 kB, which is 36% 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 38.9 kB or 82% of the original size.
Potential reduce by 14.1 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. Jaha Ahajournals images are well optimized though.
Potential reduce by 203.6 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 203.6 kB or 65% of the original size.
Potential reduce by 85.9 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. Jaha.ahajournals.org needs all CSS files to be minified and compressed as it can save up to 85.9 kB or 82% of the original size.
Number of requests can be reduced by 42 (71%)
59
17
The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jaha Ahajournals. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
jaha.ahajournals.org
363 ms
hw-global.css
134 ms
main.css
145 ms
hw-publisher-global.css
139 ms
hw-publisher-sidebars.css
142 ms
hw-local-global.css
142 ms
hw-publisher-home.css
144 ms
hw-local-page-home.css
203 ms
hw-publisher-leaderboard.css
209 ms
jquery-min.js
355 ms
fingerprint.js
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hw-shared.js
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hw-design1.js
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hw-publisher-shared.js
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custom-global.js
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burstnet.js
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burstnet-tower.js
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_default;tile=2;sz=120x600,160x600;ord=7639197729047186
42 ms
oas_ads.js
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hw-global-sidebars.css
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hw-global-elements.css
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hw-global-citation.css
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hw-global-classes.css
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hw-global-dynamic-elements.css
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ui.css
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home-page.css
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header-left.jpg
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donate.gif
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help.gif
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contact.gif
74 ms
home.gif
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journal_logo.gif
138 ms
header-right.jpg
134 ms
aha-asha-logo.gif
231 ms
go.gif
141 ms
_default;tile=1;sz=728x90;ord=5952147128991783
35 ms
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moatad.js
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lidar.js
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817-grey.gif
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btn_rss.gif
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Gilbert.jpg
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facebook.gif
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twitter.gif
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2015_CPR_ECC_Guidelines.jpg
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pixel.gif
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JAHA_NAV_BG_NRML.png
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JAHA_banner_R1.jpg
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JAHA-header-bg.jpg
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jaha.ahajournals.org 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
[aria-hidden="true"] elements contain focusable descendents
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
Buttons do not have an accessible name
Links do not have a discernible name
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
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>).
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.
jaha.ahajournals.org 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
jaha.ahajournals.org 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 Jaha.ahajournals.org 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 Jaha.ahajournals.org 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.
jaha.ahajournals.org
Open Graph description is not detected on the main page of Jaha Ahajournals. 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: