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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

ahainstructornetwork.americanheart.org

Atlas - AHA

Page Load Speed

681 ms in total

First Response

107 ms

Resources Loaded

499 ms

Page Rendered

75 ms

ahainstructornetwork.americanheart.org screenshot

About Website

Click here to check amazing AHA Instructornetwork Americanheart content for United States. Otherwise, check out these important facts you probably never knew about ahainstructornetwork.americanheart.org

Visit ahainstructornetwork.americanheart.org

Key Findings

We analyzed Ahainstructornetwork.americanheart.org page load time and found that the first response time was 107 ms and then it took 574 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

ahainstructornetwork.americanheart.org performance score

0

Network Requests Diagram

ahainstructornetwork.americanheart.org

107 ms

atlas.heart.org

69 ms

OtAutoBlock.js

103 ms

otSDKStub.js

117 ms

ckeditor.js

47 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Ahainstructornetwork.americanheart.org, 50% (9 requests) were made to Atlas.heart.org and 17% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (192 ms) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 8.8 kB (0%)

Content Size

2.6 MB

After Optimization

2.6 MB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Ahainstructornetwork.americanheart.org main page is 2.6 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. Only a small number of websites need less resources to load. Javascripts take 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 5.1 kB

  • Original 7.9 kB
  • After minification 7.3 kB
  • After compression 2.7 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. 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 5.1 kB or 66% of the original size.

JavaScript Optimization

-0%

Potential reduce by 3.7 kB

  • Original 2.4 MB
  • After minification 2.4 MB
  • After compression 2.4 MB

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.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 212.6 kB
  • After minification 212.6 kB
  • After compression 212.6 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. Ahainstructornetwork.americanheart.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (75%)

Requests Now

16

After Optimization

4

  • AJAX
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AHA Instructornetwork Americanheart. 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 as a result speed up the page load time.

Network Requests Diagram

ahainstructornetwork.americanheart.org

ahainstructornetwork.americanheart.org

107 ms

atlas.heart.org

atlas.heart.org

69 ms

OtAutoBlock.js

OtAutoBlock.js

103 ms

otSDKStub.js

otSDKStub.js

117 ms

ckeditor.js

ckeditor.js

47 ms

plugin.js

plugin.js

41 ms

mp_linkcode.js

mp_linkcode.js

103 ms

runtime.1487ef1089f5213f.js

runtime.1487ef1089f5213f.js

116 ms

polyfills.a6508801cedad51b.js

polyfills.a6508801cedad51b.js

101 ms

scripts.d5cd40a3e874c34b.js

scripts.d5cd40a3e874c34b.js

105 ms

vendor.f4366f0859dd9d17.js

vendor.f4366f0859dd9d17.js

122 ms

main.35a6f3d33aa5d142.js

main.35a6f3d33aa5d142.js

148 ms

promise.js

promise.js

42 ms

gtm.js

gtm.js

192 ms

css

css

65 ms

dac4bb43-feb7-4c30-a5b9-098fef559d58.json

dac4bb43-feb7-4c30-a5b9-098fef559d58.json

30 ms

styles.7e5379c154bc0430.css

styles.7e5379c154bc0430.css

32 ms

location

location

136 ms

SEO Factors

ahainstructornetwork.americanheart.org SEO score

0

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ahainstructornetwork.americanheart.org can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Ahainstructornetwork.americanheart.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.

Social Sharing Optimization

ahainstructornetwork.americanheart.org

Open Graph description is not detected on the main page of AHA Instructornetwork Americanheart. 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: