Tools & Wizards About Us
elearning.heart.org screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

elearning.heart.org

CPR First Aid eLearning

Page Load Speed

1.3 sec in total

First Response

329 ms

Resources Loaded

796 ms

Page Rendered

193 ms

elearning.heart.org screenshot

About Website

Click here to check amazing ELearning Heart content for United States. Otherwise, check out these important facts you probably never knew about elearning.heart.org

eLearning

Visit elearning.heart.org

Key Findings

We analyzed Elearning.heart.org page load time and found that the first response time was 329 ms and then it took 989 ms 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.

Performance Metrics

elearning.heart.org performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.132

81/100

15%

TTI (Time to Interactive)

Value18.3 s

3/100

10%

Network Requests Diagram

elearning.heart.org

329 ms

aha-header-external-responsive.v2.js

116 ms

ca5580c0375e106ae24da5a5c575e8b9.css

95 ms

8319ff2ee57a3781849b90370919e95d.js

105 ms

ga-custom.js

87 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Elearning.heart.org, 38% (10 requests) were made to Static.heart.org and 31% (8 requests) were made to D31bptfdt957ek.cloudfront.net. The less responsive or slowest element that took the longest time to load (329 ms) belongs to the original domain Elearning.heart.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 782.7 kB (66%)

Content Size

1.2 MB

After Optimization

395.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Elearning.heart.org main page is 1.2 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. 30% of websites need less resources to load. CSS take 479.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 36.6 kB

  • Original 44.6 kB
  • After minification 30.6 kB
  • After compression 8.0 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 14.0 kB, which is 31% 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 36.6 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 8.6 kB

  • Original 179.7 kB
  • After minification 171.1 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. ELearning Heart images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 325.9 kB

  • Original 474.1 kB
  • After minification 466.0 kB
  • After compression 148.1 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 325.9 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 411.6 kB

  • Original 479.5 kB
  • After minification 415.9 kB
  • After compression 67.9 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. Elearning.heart.org needs all CSS files to be minified and compressed as it can save up to 411.6 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (42%)

Requests Now

24

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ELearning Heart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

elearning.heart.org

elearning.heart.org

329 ms

aha-header-external-responsive.v2.js

aha-header-external-responsive.v2.js

116 ms

ca5580c0375e106ae24da5a5c575e8b9.css

ca5580c0375e106ae24da5a5c575e8b9.css

95 ms

8319ff2ee57a3781849b90370919e95d.js

8319ff2ee57a3781849b90370919e95d.js

105 ms

ga-custom.js

ga-custom.js

87 ms

aha-footer-external-responsive.js

aha-footer-external-responsive.js

146 ms

functions.js

functions.js

85 ms

bootstrap.min.css

bootstrap.min.css

122 ms

aha-header-external-responsive.v2.css

aha-header-external-responsive.v2.css

54 ms

aha_logo_blk_80.png

aha_logo_blk_80.png

74 ms

analytics.js

analytics.js

29 ms

aha-sprite-icon.png

aha-sprite-icon.png

28 ms

elearning-logo.png

elearning-logo.png

53 ms

instructor_update.jpg

instructor_update.jpg

54 ms

heart11.png

heart11.png

52 ms

AHA_LIW_2015Guidelines_LogoColor_sm.png

AHA_LIW_2015Guidelines_LogoColor_sm.png

57 ms

font-awesome.min.css

font-awesome.min.css

41 ms

aha-footer-external-responsive.v2.css

aha-footer-external-responsive.v2.css

52 ms

AHALogo_full_red_blk@2x.png

AHALogo_full_red_blk@2x.png

48 ms

nhc_optimized.png

nhc_optimized.png

48 ms

bbb_100px.png

bbb_100px.png

109 ms

comodo_secure.png

comodo_secure.png

102 ms

linkid.js

linkid.js

31 ms

collect

collect

55 ms

collect

collect

80 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

15 ms

Accessibility Review

elearning.heart.org accessibility score

93

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

Best Practices

elearning.heart.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

elearning.heart.org SEO score

81

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Elearning.heart.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 Elearning.heart.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

elearning.heart.org

Open Graph description is not detected on the main page of ELearning Heart. 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: