Tools & Wizards About Us
cpapcentral.com screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

cpapcentral.com

CPAPCentral.com :: CPAP machines, BiPAP machines, CPAP masks & BiPAP masks online

Page Load Speed

2.4 sec in total

First Response

110 ms

Resources Loaded

2 sec

Page Rendered

293 ms

cpapcentral.com screenshot

About Website

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

CPAPCentral.com sells CPAP machines, BiPAP machines, CPAP masks, BiPAP masks & other CPAP and BiPAP related equipment online with & without a prescription

Visit cpapcentral.com

Key Findings

We analyzed Cpapcentral.com page load time and found that the first response time was 110 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

cpapcentral.com performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.5 s

1/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value17,350 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.164

72/100

15%

TTI (Time to Interactive)

Value28.4 s

0/100

10%

Network Requests Diagram

cpapcentral.com

110 ms

www.cpapcentral.com

668 ms

css_handler.php

237 ms

css

43 ms

kendo.common.min.css

27 ms

Our browser made a total of 107 requests to load all elements on the main page. We found that 71% of them (76 requests) were addressed to the original Cpapcentral.com, 4% (4 requests) were made to Fonts.gstatic.com and 4% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (668 ms) belongs to the original domain Cpapcentral.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (40%)

Content Size

3.1 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cpapcentral.com main page is 3.1 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. 60% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 98.6 kB

  • Original 129.4 kB
  • After minification 118.9 kB
  • After compression 30.8 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 98.6 kB or 76% of the original size.

Image Optimization

-6%

Potential reduce by 85.6 kB

  • Original 1.4 MB
  • After minification 1.4 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. CPAPCentral images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 861.6 kB

  • Original 1.3 MB
  • After minification 1.3 MB
  • After compression 422.3 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 861.6 kB or 67% of the original size.

CSS Optimization

-85%

Potential reduce by 170.9 kB

  • Original 200.8 kB
  • After minification 200.2 kB
  • After compression 29.9 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. Cpapcentral.com needs all CSS files to be minified and compressed as it can save up to 170.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (29%)

Requests Now

99

After Optimization

70

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CPAPCentral. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cpapcentral.com

cpapcentral.com

110 ms

www.cpapcentral.com

www.cpapcentral.com

668 ms

css_handler.php

css_handler.php

237 ms

css

css

43 ms

kendo.common.min.css

kendo.common.min.css

27 ms

kendo.default.min.css

kendo.default.min.css

18 ms

jquery.min.js

jquery.min.js

40 ms

jquery.tools.min.js

jquery.tools.min.js

266 ms

kendo.web.min.js

kendo.web.min.js

39 ms

common.js

common.js

152 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

54 ms

addthis_widget.js

addthis_widget.js

12 ms

si.js

si.js

77 ms

form.js

form.js

76 ms

PayTraceSeal_1t.png

PayTraceSeal_1t.png

558 ms

bg-body1.jpg

bg-body1.jpg

116 ms

icon-mobileclose.png

icon-mobileclose.png

53 ms

logo-cpapcentral.png

logo-cpapcentral.png

72 ms

icon-facebook.png

icon-facebook.png

72 ms

icon-twitter.png

icon-twitter.png

53 ms

icon-youtube.png

icon-youtube.png

130 ms

icon-wordpress.png

icon-wordpress.png

114 ms

icon-menu.png

icon-menu.png

113 ms

5_Nasal%20Masks-ThumbImage.jpg

5_Nasal%20Masks-ThumbImage.jpg

114 ms

4_Full%20Face%20Masks-ThumbImage.jpg

4_Full%20Face%20Masks-ThumbImage.jpg

116 ms

15_Nasal%20Pillow%20CPAP%20Masks-ThumbImage.jpg

15_Nasal%20Pillow%20CPAP%20Masks-ThumbImage.jpg

230 ms

16_Hybrid%20Masks-ThumbImage.jpg

16_Hybrid%20Masks-ThumbImage.jpg

231 ms

18_Total%20Face%20Masks-ThumbImage.jpg

18_Total%20Face%20Masks-ThumbImage.jpg

153 ms

19_Mask%20Assembly%20Kits-ThumbImage.jpg

19_Mask%20Assembly%20Kits-ThumbImage.jpg

231 ms

13_CPAP%20Mask%20Parts-ThumbImage.jpg

13_CPAP%20Mask%20Parts-ThumbImage.jpg

229 ms

22_CPAP%20Machines-ThumbImage.jpg

22_CPAP%20Machines-ThumbImage.jpg

251 ms

23_Auto%20CPAP%20Machines-ThumbImage.png

23_Auto%20CPAP%20Machines-ThumbImage.png

249 ms

24_BiPAP%20Machines-ThumbImage.jpg

24_BiPAP%20Machines-ThumbImage.jpg

249 ms

25_Auto%20BiPAP%20Machines-ThumbImage.png

25_Auto%20BiPAP%20Machines-ThumbImage.png

250 ms

26_Travel%20CPAP%20Machines-ThumbImage.jpg

26_Travel%20CPAP%20Machines-ThumbImage.jpg

252 ms

27_Heated%20Humidifiers-ThumbImage.png

27_Heated%20Humidifiers-ThumbImage.png

251 ms

28_Humidifier%20Chambers-ThumbImage.jpg

28_Humidifier%20Chambers-ThumbImage.jpg

365 ms

29_Humidifier%20Parts-ThumbImage.jpg

29_Humidifier%20Parts-ThumbImage.jpg

369 ms

38_Comfort-ThumbImage.jpg

38_Comfort-ThumbImage.jpg

365 ms

39_Power-ThumbImage.jpg

39_Power-ThumbImage.jpg

368 ms

41_Batteries-ThumbImage.jpg

41_Batteries-ThumbImage.jpg

364 ms

42_CPAP%20Bed%20Pillows-ThumbImage.jpg

42_CPAP%20Bed%20Pillows-ThumbImage.jpg

368 ms

43_Cleaning-ThumbImage.jpg

43_Cleaning-ThumbImage.jpg

372 ms

45_Travel-ThumbImage.png

45_Travel-ThumbImage.png

401 ms

30_Filters-ThumbImage.jpg

30_Filters-ThumbImage.jpg

403 ms

31_Tubing-ThumbImage.jpg

31_Tubing-ThumbImage.jpg

400 ms

32_Chin%20Straps-ThumbImage.jpg

32_Chin%20Straps-ThumbImage.jpg

402 ms

33_Mask%20Parts-ThumbImage.jpg

33_Mask%20Parts-ThumbImage.jpg

401 ms

34_Mask%20Headgear-ThumbImage.jpg

34_Mask%20Headgear-ThumbImage.jpg

419 ms

35_Mask%20Assembly%20Kits-ThumbImage.jpg

35_Mask%20Assembly%20Kits-ThumbImage.jpg

437 ms

gtm.js

gtm.js

63 ms

36_Humidifiers-ThumbImage.png

36_Humidifiers-ThumbImage.png

432 ms

37_Humidifier%20Parts-ThumbImage.jpg

37_Humidifier%20Parts-ThumbImage.jpg

390 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

21 ms

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

20 ms

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

21 ms

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

21 ms

95ce08054a5c62dd385b6e31347291ce.jpg

95ce08054a5c62dd385b6e31347291ce.jpg

455 ms

325f43ee0401fa8870afbf6f6452d417.png

325f43ee0401fa8870afbf6f6452d417.png

501 ms

da37cf74ab23554a5a3315f586d92116.png

da37cf74ab23554a5a3315f586d92116.png

451 ms

analytics.js

analytics.js

12 ms

conversion_async.js

conversion_async.js

22 ms

swap.js

swap.js

144 ms

85d95724caf13e05920534ff215cd64f.png

85d95724caf13e05920534ff215cd64f.png

473 ms

1d671b3ed39cfb57c66ebe1eab8f446c.png

1d671b3ed39cfb57c66ebe1eab8f446c.png

387 ms

8aa6332742515c7285bda9f4b9d13622.png

8aa6332742515c7285bda9f4b9d13622.png

537 ms

77ba9bcb5c3838a5865dc214e8f748c0.png

77ba9bcb5c3838a5865dc214e8f748c0.png

559 ms

7ffd1fa886d6fb512f852cb762e2218e.png

7ffd1fa886d6fb512f852cb762e2218e.png

567 ms

ec.js

ec.js

7 ms

168 ms

collect

collect

10 ms

collect

collect

154 ms

collect

collect

81 ms

7f4ab3d1343a631aa632a35f333ee20c.png

7f4ab3d1343a631aa632a35f333ee20c.png

493 ms

collect

collect

139 ms

loading-facebook.gif

loading-facebook.gif

416 ms

loading-twitter.gif

loading-twitter.gif

417 ms

loading-blog2.gif

loading-blog2.gif

463 ms

Mastercard-logo.jpg

Mastercard-logo.jpg

461 ms

visa-card-logo.jpg

visa-card-logo.jpg

470 ms

discover.jpg

discover.jpg

450 ms

American_Express.png

American_Express.png

470 ms

icon-arrow.png

icon-arrow.png

475 ms

icon-livechat.png

icon-livechat.png

486 ms

icon-shipping.png

icon-shipping.png

488 ms

smarticon

smarticon

110 ms

icon-guarantee.png

icon-guarantee.png

459 ms

112 ms

1.js

1.js

70 ms

300lo.json

300lo.json

69 ms

357.ead81bc7f5b8b3bcbe50.js

357.ead81bc7f5b8b3bcbe50.js

27 ms

swap_session.js

swap_session.js

160 ms

travelcpap-slide.jpg

travelcpap-slide.jpg

455 ms

slide-soclean.png

slide-soclean.png

536 ms

sh.8e5f85691f9aaa082472a194.html

sh.8e5f85691f9aaa082472a194.html

31 ms

icon-new.png

icon-new.png

430 ms

icon-special.png

icon-special.png

479 ms

host.js

host.js

174 ms

icon-reorder.png

icon-reorder.png

471 ms

icon-rx.png

icon-rx.png

502 ms

icon-specialist.png

icon-specialist.png

519 ms

icon-prices.png

icon-prices.png

548 ms

icon-security.png

icon-security.png

545 ms

icon-quality.png

icon-quality.png

553 ms

bg-emailoverlay.jpg

bg-emailoverlay.jpg

598 ms

23 ms

live-chat-status.png

live-chat-status.png

559 ms

Accessibility Review

cpapcentral.com accessibility score

79

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

cpapcentral.com best practices score

58

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

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

cpapcentral.com SEO score

78

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

High

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

cpapcentral.com

Open Graph description is not detected on the main page of CPAPCentral. 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: