Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

cardiacdirect.com

Premier Source of Medical Equipment - CardiacDirect

Page Load Speed

2.1 sec in total

First Response

322 ms

Resources Loaded

1.5 sec

Page Rendered

282 ms

cardiacdirect.com screenshot

About Website

Click here to check amazing Cardiac Direct content for United States. Otherwise, check out these important facts you probably never knew about cardiacdirect.com

CardiacDirect provides medical equipment and supplies from all of the top medical device brands at an affordable price.

Visit cardiacdirect.com

Key Findings

We analyzed Cardiacdirect.com page load time and found that the first response time was 322 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

cardiacdirect.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

3/100

10%

LCP (Largest Contentful Paint)

Value17.8 s

0/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value3,460 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value22.6 s

1/100

10%

Network Requests Diagram

cardiacdirect.com

322 ms

style.css

164 ms

jquery-1.8.2.min.js

5 ms

jquery.popupoverlay.js

122 ms

analytics.js

31 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 69% of them (44 requests) were addressed to the original Cardiacdirect.com, 6% (4 requests) were made to Google-analytics.com and 3% (2 requests) were made to Salesiq.zoho.com. The less responsive or slowest element that took the longest time to load (843 ms) belongs to the original domain Cardiacdirect.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 216.0 kB (31%)

Content Size

708.1 kB

After Optimization

492.1 kB

In fact, the total size of Cardiacdirect.com main page is 708.1 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. 25% of websites need less resources to load. Images take 471.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 54.5 kB

  • Original 66.0 kB
  • After minification 55.0 kB
  • After compression 11.5 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 11.0 kB, which is 17% 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 54.5 kB or 83% of the original size.

Image Optimization

-12%

Potential reduce by 56.1 kB

  • Original 471.6 kB
  • After minification 415.5 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. Obviously, Cardiac Direct needs image optimization as it can save up to 56.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 81.3 kB

  • Original 140.4 kB
  • After minification 134.6 kB
  • After compression 59.0 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 81.3 kB or 58% of the original size.

CSS Optimization

-80%

Potential reduce by 24.0 kB

  • Original 30.1 kB
  • After minification 28.5 kB
  • After compression 6.0 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. Cardiacdirect.com needs all CSS files to be minified and compressed as it can save up to 24.0 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (19%)

Requests Now

59

After Optimization

48

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cardiac Direct. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

cardiacdirect.com accessibility score

85

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

cardiacdirect.com best practices score

69

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

cardiacdirect.com SEO score

83

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cardiacdirect.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Cardiacdirect.com main page’s claimed encoding is iso-8859-1. 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 Cardiac Direct. 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: