Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

advanced.profirstaid.com

Online CPR Course Details | Healthcare BLS + First Aid | ProCPR

Page Load Speed

2.2 sec in total

First Response

178 ms

Resources Loaded

1.6 sec

Page Rendered

374 ms

advanced.profirstaid.com screenshot

About Website

Visit advanced.profirstaid.com now to see the best up-to-date Advanced Pro First Aid content for United States and also check out these interesting facts you probably never knew about advanced.profirstaid.com

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Key Findings

We analyzed Advanced.profirstaid.com page load time and found that the first response time was 178 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

advanced.profirstaid.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value2,700 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.146

77/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

advanced.profirstaid.com

178 ms

advanced.profirstaid.com

296 ms

bls-first-aid

477 ms

css

48 ms

bootstrap.min.css

41 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Advanced.profirstaid.com, 38% (15 requests) were made to Cdn.protrainings.com and 13% (5 requests) were made to D3imrogdy81qei.cloudfront.net. The less responsive or slowest element that took the longest time to load (541 ms) relates to the external source Procpr.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 172.0 kB (20%)

Content Size

860.3 kB

After Optimization

688.3 kB

In fact, the total size of Advanced.profirstaid.com main page is 860.3 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. 50% of websites need less resources to load. Javascripts take 464.5 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 54.8 kB

  • Original 70.7 kB
  • After minification 66.9 kB
  • After compression 15.9 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. 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 54.8 kB or 77% of the original size.

Image Optimization

-1%

Potential reduce by 2.1 kB

  • Original 216.5 kB
  • After minification 214.4 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. Advanced Pro First Aid images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 92.4 kB

  • Original 464.5 kB
  • After minification 464.5 kB
  • After compression 372.1 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 92.4 kB or 20% of the original size.

CSS Optimization

-21%

Potential reduce by 22.7 kB

  • Original 108.6 kB
  • After minification 108.6 kB
  • After compression 85.8 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. Advanced.profirstaid.com needs all CSS files to be minified and compressed as it can save up to 22.7 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (52%)

Requests Now

31

After Optimization

15

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Advanced Pro First Aid. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

advanced.profirstaid.com accessibility score

90

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

advanced.profirstaid.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

advanced.profirstaid.com SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    EN

  • Language Claimed

    EN

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Advanced.profirstaid.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 Advanced.profirstaid.com main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Advanced Pro First Aid. 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: