Tools & Wizards About Us

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

heartcpr.com

CPR Classes | CPR, BLS & First Aid Certification | Heart CPR

Page Load Speed

3 sec in total

First Response

272 ms

Resources Loaded

1.7 sec

Page Rendered

1 sec

About Website

Visit heartcpr.com now to see the best up-to-date Heart CPR content for United States and also check out these interesting facts you probably never knew about heartcpr.com

CPR classes, First Aid, and BLS certification classes. Training centers in Orange County, San Diego, Los Angeles and Riverside County

Visit heartcpr.com

Key Findings

We analyzed Heartcpr.com page load time and found that the first response time was 272 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

heartcpr.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value740 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

heartcpr.com

272 ms

www.heartcpr.com

592 ms

wdm-enrollware.css

46 ms

enrollware.css

251 ms

pagenavi-css.css

186 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 85% of them (94 requests) were addressed to the original Heartcpr.com, 11% (12 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (592 ms) belongs to the original domain Heartcpr.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 220.2 kB (33%)

Content Size

667.5 kB

After Optimization

447.4 kB

  • HTML
  • Images

In fact, the total size of Heartcpr.com main page is 667.5 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. 65% of websites need less resources to load. Images take 410.9 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 219.7 kB

  • Original 256.7 kB
  • After minification 242.7 kB
  • After compression 37.0 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. 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 219.7 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 498 B

  • Original 410.9 kB
  • After minification 410.4 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. Heart CPR images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 62 (65%)

Requests Now

96

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Heart CPR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 32 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

heartcpr.com accessibility score

95

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Links do not have a discernible name

Best Practices

heartcpr.com 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

heartcpr.com SEO score

86

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Heartcpr.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 Heartcpr.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.

Social Sharing Optimization

Open Graph data is detected on the main page of Heart CPR. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: