Tools & Wizards About Us
cardionerds.com screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

cardionerds.com

CardioNerds - Democratizing Cardiovascular Education

Page Load Speed

254 sec in total

First Response

135 ms

Resources Loaded

20.1 sec

Page Rendered

233.8 sec

cardionerds.com screenshot

About Website

Welcome to cardionerds.com homepage info - get ready to check Cardio Nerds best content right away, or after learning these important things about cardionerds.com

CardioNerds: A podcast & platform that democratizes cardiovascular education and invigorates passion for cardiovascular medicine & science.

Visit cardionerds.com

Key Findings

We analyzed Cardionerds.com page load time and found that the first response time was 135 ms and then it took 253.9 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

cardionerds.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

72/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value4,860 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.559

13/100

15%

TTI (Time to Interactive)

Value12.7 s

14/100

10%

Network Requests Diagram

www.cardionerds.com

135 ms

css

146 ms

mediaelementplayer-legacy.min.css

88 ms

cropped-cropped-Cardionerds-v2.1-square.HighQuality-scaled-1.jpg

142 ms

cropped-Cardionerds-v2.1-square.HighQuality-scaled-1.jpg

147 ms

Our browser made a total of 277 requests to load all elements on the main page. We found that 34% of them (95 requests) were addressed to the original Cardionerds.com, 60% (166 requests) were made to I0.wp.com and 3% (9 requests) were made to C0.wp.com. The less responsive or slowest element that took the longest time to load (16 sec) relates to the external source I0.wp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 330.9 kB (1%)

Content Size

57.0 MB

After Optimization

56.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cardionerds.com main page is 57.0 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. Images take 56.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 316.7 kB

  • Original 368.0 kB
  • After minification 351.6 kB
  • After compression 51.3 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 316.7 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 3.7 kB

  • Original 56.2 MB
  • After minification 56.2 MB

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. Cardio Nerds images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 8.9 kB

  • Original 199.4 kB
  • After minification 199.4 kB
  • After compression 190.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 1.6 kB

  • Original 164.6 kB
  • After minification 164.6 kB
  • After compression 163.0 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. Cardionerds.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 98 (37%)

Requests Now

268

After Optimization

170

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 268 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cardio Nerds. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 69 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.cardionerds.com

www.cardionerds.com

135 ms

css

css

146 ms

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88 ms

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142 ms

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cropped-Cardionerds-v2.1-square.HighQuality-scaled-1.jpg

147 ms

Cardionerds-case-report-A-Stressful-Case-of-Cardiogenic-Shock.png

Cardionerds-case-report-A-Stressful-Case-of-Cardiogenic-Shock.png

249 ms

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Treating-Inflammation-and-Real-World-Implementation-of-Therapies-with-Dr.-Brittany-Weber-and-Dr.-Michael-Garshick.png

246 ms

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402.-Guidelines-2022-AHAACCHFSA-Guideline-for-the-Management-of-Heart-Failure-%E2%80%93-Question-39-with-Dr.-Robert-Mentz.png

146 ms

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401.-Guidelines-2022-AHAACCHFSA-Guideline-for-the-Management-of-Heart-Failure-%E2%80%93-Question-38-with-Dr.-Clyde-Yancy.png

155 ms

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526 ms

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CN-CTN-Graphic_04.06.22.png

685 ms

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847 ms

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194 ms

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316 ms

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955 ms

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320 ms

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321 ms

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362 ms

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366 ms

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362 ms

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363 ms

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1721 ms

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469 ms

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540 ms

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596 ms

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595 ms

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680 ms

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597 ms

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937 ms

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951 ms

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15999 ms

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1730 ms

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959 ms

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961 ms

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963 ms

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159 ms

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97 ms

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207 ms

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206 ms

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206 ms

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124 ms

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210 ms

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211 ms

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102 ms

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215 ms

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998 ms

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55 ms

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966 ms

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965 ms

dashicons.min.css

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25 ms

Cardiac-Tumors.jpg

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956 ms

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68 ms

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838 ms

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869 ms

all.min.css

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47 ms

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1361 ms

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81 ms

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999 ms

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937 ms

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1060 ms

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984 ms

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967 ms

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1142 ms

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137 ms

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1871 ms

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1087 ms

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1086 ms

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1020 ms

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77 ms

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1115 ms

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77 ms

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84 ms

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899 ms

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73 ms

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24 ms

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3487 ms

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1049 ms

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1048 ms

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1612 ms

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2092 ms

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2491 ms

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1455 ms

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2778 ms

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2640 ms

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1954 ms

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2748 ms

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3552 ms

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2611 ms

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3667 ms

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3750 ms

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3227 ms

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3131 ms

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4885 ms

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3082 ms

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3996 ms

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3241 ms

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3008 ms

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4379 ms

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4027 ms

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4883 ms

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4155 ms

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5019 ms

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5139 ms

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4779 ms

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5617 ms

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5068 ms

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5090 ms

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4581 ms

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4445 ms

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5418 ms

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3771 ms

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3762 ms

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4760 ms

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4427 ms

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5281 ms

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3209 ms

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3208 ms

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3244 ms

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4276 ms

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4608 ms

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4178 ms

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4841 ms

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4334 ms

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72 ms

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14 ms

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Accessibility Review

cardionerds.com accessibility score

87

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

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.

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

Links do not have a discernible name

Best Practices

cardionerds.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cardionerds.com SEO score

100

Search Engine Optimization Advices

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 Cardionerds.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 Cardionerds.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

cardionerds.com

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