Tools & Wizards About Us
ecgwaves.com screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

ecgwaves.com

The ultimate ECG book & course: learn ECG interpretation, videos, test/quiz –

Page Load Speed

2.1 sec in total

First Response

293 ms

Resources Loaded

1.5 sec

Page Rendered

390 ms

ecgwaves.com screenshot

About Website

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

Learn clinical ECG interpretation with the most comprehensive online book and course. Over 400 pages, video lectures, ECG quiz and more. Covers pathophysiology, electrophysiology, ECG criteria and cli...

Visit ecgwaves.com

Key Findings

We analyzed Ecgwaves.com page load time and found that the first response time was 293 ms and then it took 1.9 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

ecgwaves.com performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value11.3 s

19/100

10%

Network Requests Diagram

ecgwaves.com

293 ms

ecgwaves.com

61 ms

css

48 ms

upe_blocks.css

37 ms

buddyboss_legacy.css

65 ms

Our browser made a total of 134 requests to load all elements on the main page. We found that 87% of them (116 requests) were addressed to the original Ecgwaves.com, 9% (12 requests) were made to Fonts.gstatic.com and 1% (2 requests) were made to Stats.wp.com. The less responsive or slowest element that took the longest time to load (499 ms) belongs to the original domain Ecgwaves.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 124.2 kB (31%)

Content Size

397.2 kB

After Optimization

273.0 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Ecgwaves.com main page is 397.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 241.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 124.2 kB

  • Original 147.8 kB
  • After minification 145.1 kB
  • After compression 23.6 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 124.2 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 241.8 kB
  • After minification 241.8 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. ECG Waves images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 49 B

  • Original 7.6 kB
  • After minification 7.6 kB
  • After compression 7.6 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.

Requests Breakdown

Number of requests can be reduced by 92 (81%)

Requests Now

113

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ECG Waves. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 53 to 1 for JavaScripts and from 41 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ecgwaves.com

ecgwaves.com

293 ms

ecgwaves.com

ecgwaves.com

61 ms

css

css

48 ms

upe_blocks.css

upe_blocks.css

37 ms

buddyboss_legacy.css

buddyboss_legacy.css

65 ms

wc-memberships-blocks.min.css

wc-memberships-blocks.min.css

63 ms

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61 ms

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56 ms

index.css

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61 ms

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80 ms

woocommerce-layout.css

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84 ms

woocommerce.css

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95 ms

dashicons.min.css

dashicons.min.css

91 ms

learndash_quiz_front.min.css

learndash_quiz_front.min.css

92 ms

jquery.dropdown.min.css

jquery.dropdown.min.css

103 ms

learndash_lesson_video.min.css

learndash_lesson_video.min.css

112 ms

wc-memberships-frontend.min.css

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127 ms

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115 ms

fonts.css

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144 ms

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118 ms

frontend-lite.min.css

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147 ms

swiper.min.css

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140 ms

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164 ms

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142 ms

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153 ms

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209 ms

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165 ms

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172 ms

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209 ms

magnific-popup.min.css

magnific-popup.min.css

184 ms

select2.min.css

select2.min.css

211 ms

theme.css

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194 ms

template-v2.css

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212 ms

learndash.css

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224 ms

woocommerce.css

woocommerce.css

217 ms

elementor.css

elementor.css

238 ms

custom.css

custom.css

237 ms

jquery.min.js

jquery.min.js

238 ms

w.js

w.js

27 ms

e-202436.js

e-202436.js

29 ms

js

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80 ms

widget-theme-elements.min.css

widget-theme-elements.min.css

264 ms

fluent-forms-elementor-widget.css

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238 ms

animations.min.css

animations.min.css

219 ms

fluent-forms-public.css

fluent-forms-public.css

214 ms

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215 ms

jquery-migrate.min.js

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212 ms

jquery.blockUI.min.js

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211 ms

add-to-cart.min.js

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195 ms

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200 ms

woocommerce.min.js

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216 ms

wp-polyfill-inert.min.js

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364 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

195 ms

wp-polyfill.min.js

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192 ms

hooks.min.js

hooks.min.js

195 ms

i18n.min.js

i18n.min.js

192 ms

i18n-loader.js

i18n-loader.js

341 ms

custom.js

custom.js

334 ms

selectWoo.full.min.js

selectWoo.full.min.js

326 ms

wc-memberships-blocks-common.min.js

wc-memberships-blocks-common.min.js

324 ms

accordion-blocks.min.js

accordion-blocks.min.js

323 ms

sourcebuster.min.js

sourcebuster.min.js

315 ms

order-attribution.min.js

order-attribution.min.js

317 ms

url.min.js

url.min.js

306 ms

jp-search.js

jp-search.js

308 ms

prevent-content-copy.min.js

prevent-content-copy.min.js

298 ms

learndash.js

learndash.js

286 ms

jquery-cookie.js

jquery-cookie.js

263 ms

imagesloaded.min.js

imagesloaded.min.js

263 ms

masonry.min.js

masonry.min.js

264 ms

menu.js

menu.js

256 ms

fitvids.js

fitvids.js

257 ms

slick.min.js

slick.min.js

249 ms

panelslider.min.js

panelslider.min.js

237 ms

sticky-kit.js

sticky-kit.js

237 ms

jssocials.min.js

jssocials.min.js

209 ms

main.js

main.js

208 ms

validate.min.js

validate.min.js

209 ms

magnific-popup.min.js

magnific-popup.min.js

208 ms

select2.full.min.js

select2.full.min.js

215 ms

progressbar.min.js

progressbar.min.js

208 ms

mousewheel.min.js

mousewheel.min.js

207 ms

learndash.js

learndash.js

207 ms

bb-woocommerce.js

bb-woocommerce.js

213 ms

elementor.js

elementor.js

214 ms

form-submission.js

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288 ms

webpack-pro.runtime.min.js

webpack-pro.runtime.min.js

184 ms

webpack.runtime.min.js

webpack.runtime.min.js

273 ms

frontend-modules.min.js

frontend-modules.min.js

274 ms

frontend.min.js

frontend.min.js

120 ms

waypoints.min.js

waypoints.min.js

118 ms

core.min.js

core.min.js

118 ms

frontend.min.js

frontend.min.js

164 ms

elements-handlers.min.js

elements-handlers.min.js

168 ms

lazyload.min.js

lazyload.min.js

164 ms

adminbar-background.png

adminbar-background.png

167 ms

search.svg

search.svg

162 ms

ecg-book-interpretation-learn-online-1.svg

ecg-book-interpretation-learn-online-1.svg

160 ms

ecg-book-interpretation-learn.svg

ecg-book-interpretation-learn.svg

287 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

101 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

101 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

151 ms

KFOkCnqEu92Fr1MmgVxIIzc.ttf

KFOkCnqEu92Fr1MmgVxIIzc.ttf

235 ms

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

KFOlCnqEu92Fr1MmWUlfBBc9.ttf

236 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

236 ms

KFOkCnqEu92Fr1Mu51xIIzc.ttf

KFOkCnqEu92Fr1Mu51xIIzc.ttf

234 ms

KFOjCnqEu92Fr1Mu51S7ACc6CsE.ttf

KFOjCnqEu92Fr1Mu51S7ACc6CsE.ttf

235 ms

KFOjCnqEu92Fr1Mu51TjASc6CsE.ttf

KFOjCnqEu92Fr1Mu51TjASc6CsE.ttf

232 ms

KFOiCnqEu92Fr1Mu51QrEzAdKg.ttf

KFOiCnqEu92Fr1Mu51QrEzAdKg.ttf

274 ms

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KFOjCnqEu92Fr1Mu51TzBic6CsE.ttf

274 ms

KFOjCnqEu92Fr1Mu51TLBCc6CsE.ttf

KFOjCnqEu92Fr1Mu51TLBCc6CsE.ttf

274 ms

round-filled.woff

round-filled.woff

293 ms

round-lined.woff

round-lined.woff

293 ms

filled.woff

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293 ms

lined.woff

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291 ms

box-lined.woff

box-lined.woff

292 ms

box-filled.woff

box-filled.woff

499 ms

bb-icons.woff

bb-icons.woff

402 ms

g.gif

g.gif

217 ms

g.gif

g.gif

197 ms

cropped-ecg-book-echoardiography-small-100x100.png

cropped-ecg-book-echoardiography-small-100x100.png

99 ms

ecg-echo-book-1.png

ecg-echo-book-1.png

101 ms

ecg-ekg-book-course.svg

ecg-ekg-book-course.svg

98 ms

echocardiography-book-course-ultrasound.svg

echocardiography-book-course-ultrasound.svg

100 ms

sudden-cardiac-arrest-resuscitation-cpr.svg

sudden-cardiac-arrest-resuscitation-cpr.svg

104 ms

ecg-book-course-1024x515.png

ecg-book-course-1024x515.png

106 ms

ecg-interpretation-book.svg

ecg-interpretation-book.svg

109 ms

stemi-nstemi-ecg-criteria-1.svg

stemi-nstemi-ecg-criteria-1.svg

137 ms

ecg-coronary-artery-arteries-segment-myocardial-ischemia-1.svg

ecg-coronary-artery-arteries-segment-myocardial-ischemia-1.svg

205 ms

color-doppler-colour-ultrasound-cardiac-echocardiography.png

color-doppler-colour-ultrasound-cardiac-echocardiography.png

204 ms

complete-ecg-book-free-pdf.svg

complete-ecg-book-free-pdf.svg

141 ms

ecg-video-lectures-book.svg

ecg-video-lectures-book.svg

170 ms

pocketguide.png

pocketguide.png

338 ms

woocommerce-smallscreen.css

woocommerce-smallscreen.css

34 ms

Accessibility Review

ecgwaves.com accessibility score

88

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

ecgwaves.com best practices score

92

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

SEO Factors

ecgwaves.com SEO score

93

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

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 Ecgwaves.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 Ecgwaves.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

ecgwaves.com

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