Tools & Wizards About Us
kdvsfoundation.org screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

kdvsfoundation.org

Home Page - Koolen-de Vries Syndrome Foundation | KDVS

Page Load Speed

3.6 sec in total

First Response

91 ms

Resources Loaded

2.7 sec

Page Rendered

831 ms

kdvsfoundation.org screenshot

About Website

Welcome to kdvsfoundation.org homepage info - get ready to check KDVS Foundation best content right away, or after learning these important things about kdvsfoundation.org

Koolen-de Vries Syndrome Foundation's mission revolves around Awareness, Education and Research. Learn more about the syndrome, research and upcoming events

Visit kdvsfoundation.org

Key Findings

We analyzed Kdvsfoundation.org page load time and found that the first response time was 91 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

kdvsfoundation.org performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value21.8 s

0/100

25%

SI (Speed Index)

Value15.3 s

1/100

10%

TBT (Total Blocking Time)

Value2,670 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value22.2 s

1/100

10%

Network Requests Diagram

kdvsfoundation.org

91 ms

style.min.css

23 ms

style.css

47 ms

vintage.css

48 ms

mapsmarkerpro.css

49 ms

Our browser made a total of 152 requests to load all elements on the main page. We found that 83% of them (126 requests) were addressed to the original Kdvsfoundation.org, 5% (7 requests) were made to Fonts.gstatic.com and 3% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (524 ms) relates to the external source Youtube.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 235.9 kB (8%)

Content Size

2.8 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kdvsfoundation.org main page is 2.8 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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 176.5 kB

  • Original 213.7 kB
  • After minification 207.4 kB
  • After compression 37.2 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 176.5 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 34.0 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. KDVS Foundation images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 9.3 kB

  • Original 956.6 kB
  • After minification 956.1 kB
  • After compression 947.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-7%

Potential reduce by 16.2 kB

  • Original 216.8 kB
  • After minification 216.8 kB
  • After compression 200.7 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. Kdvsfoundation.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 106 (74%)

Requests Now

143

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 143 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KDVS Foundation. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 83 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kdvsfoundation.org

kdvsfoundation.org

91 ms

style.min.css

style.min.css

23 ms

style.css

style.css

47 ms

vintage.css

vintage.css

48 ms

mapsmarkerpro.css

mapsmarkerpro.css

49 ms

style.css

style.css

57 ms

css

css

71 ms

wp-faq-public.css

wp-faq-public.css

47 ms

woocommerce-layout.css

woocommerce-layout.css

63 ms

woocommerce.css

woocommerce.css

94 ms

give.css

give.css

70 ms

give-donation-summary.css

give-donation-summary.css

64 ms

give-ffm-frontend.css

give-ffm-frontend.css

66 ms

give-ffm-datepicker.css

give-ffm-datepicker.css

75 ms

give-tributes-public.min.css

give-tributes-public.min.css

78 ms

give-recurring.min.css

give-recurring.min.css

80 ms

style.css

style.css

81 ms

style.css

style.css

125 ms

css

css

66 ms

js_composer_front_custom.css

js_composer_front_custom.css

95 ms

wp-featherlight.min.css

wp-featherlight.min.css

125 ms

jquery.min.js

jquery.min.js

121 ms

jquery-migrate.min.js

jquery-migrate.min.js

120 ms

core.min.js

core.min.js

148 ms

datepicker.min.js

datepicker.min.js

146 ms

mouse.min.js

mouse.min.js

147 ms

slider.min.js

slider.min.js

155 ms

clipboard.min.js

clipboard.min.js

155 ms

moxie.min.js

moxie.min.js

153 ms

plupload.min.js

plupload.min.js

173 ms

underscore-before.js

underscore-before.js

167 ms

underscore.min.js

underscore.min.js

168 ms

underscore-after.js

underscore-after.js

171 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

168 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

167 ms

wp-polyfill.min.js

wp-polyfill.min.js

168 ms

dom-ready.min.js

dom-ready.min.js

169 ms

hooks.min.js

hooks.min.js

183 ms

js

js

186 ms

css

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69 ms

api.js

api.js

79 ms

wc-blocks.css

wc-blocks.css

177 ms

rs6.css

rs6.css

148 ms

i18n.min.js

i18n.min.js

148 ms

a11y.min.js

a11y.min.js

154 ms

handlers.min.js

handlers.min.js

149 ms

give-ffm-frontend.js

give-ffm-frontend.js

140 ms

give-tributes-common.min.js

give-tributes-common.min.js

133 ms

rbtools.min.js

rbtools.min.js

134 ms

rs6.min.js

rs6.min.js

135 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

124 ms

add-to-cart.min.js

add-to-cart.min.js

125 ms

js.cookie.min.js

js.cookie.min.js

128 ms

woocommerce.min.js

woocommerce.min.js

128 ms

give.js

give.js

124 ms

give-tributes-public.min.js

give-tributes-public.min.js

95 ms

woocommerce-add-to-cart.js

woocommerce-add-to-cart.js

89 ms

give-recurring.min.js

give-recurring.min.js

87 ms

ctct-plugin-recaptcha-v2.min.js

ctct-plugin-recaptcha-v2.min.js

89 ms

ctct-plugin-frontend.min.js

ctct-plugin-frontend.min.js

67 ms

jquery.datetimepicker.full.min.js

jquery.datetimepicker.full.min.js

161 ms

sourcebuster.min.js

sourcebuster.min.js

100 ms

order-attribution.min.js

order-attribution.min.js

156 ms

react.min.js

react.min.js

154 ms

deprecated.min.js

deprecated.min.js

159 ms

dom.min.js

dom.min.js

146 ms

react-dom.min.js

react-dom.min.js

142 ms

escape-html.min.js

escape-html.min.js

143 ms

element.min.js

element.min.js

141 ms

is-shallow-equal.min.js

is-shallow-equal.min.js

143 ms

keycodes.min.js

keycodes.min.js

144 ms

priority-queue.min.js

priority-queue.min.js

144 ms

compose.min.js

compose.min.js

146 ms

private-apis.min.js

private-apis.min.js

144 ms

redux-routine.min.js

redux-routine.min.js

131 ms

data.min.js

data.min.js

130 ms

lodash.min.js

lodash.min.js

132 ms

wc-blocks-registry.js

wc-blocks-registry.js

149 ms

url.min.js

url.min.js

132 ms

api-fetch.min.js

api-fetch.min.js

130 ms

wc-settings.js

wc-settings.js

131 ms

data-controls.min.js

data-controls.min.js

133 ms

html-entities.min.js

html-entities.min.js

128 ms

notices.min.js

notices.min.js

127 ms

wc-blocks-middleware.js

wc-blocks-middleware.js

128 ms

wc-blocks-data.js

wc-blocks-data.js

129 ms

primitives.min.js

primitives.min.js

124 ms

warning.min.js

warning.min.js

124 ms

blocks-components.js

blocks-components.js

127 ms

blocks-checkout.js

blocks-checkout.js

123 ms

order-attribution-blocks.min.js

order-attribution-blocks.min.js

123 ms

give-donation-summary.js

give-donation-summary.js

122 ms

comment-reply.min.js

comment-reply.min.js

121 ms

nicdark-navigation.js

nicdark-navigation.js

122 ms

wpFeatherlight.pkgd.min.js

wpFeatherlight.pkgd.min.js

92 ms

js_composer_front.min.js

js_composer_front.min.js

88 ms

imagesloaded.min.js

imagesloaded.min.js

122 ms

masonry.min.js

masonry.min.js

116 ms

skrollr.min.js

skrollr.min.js

120 ms

icon-close-white.svg

icon-close-white.svg

113 ms

facebook-grey.svg

facebook-grey.svg

114 ms

instagram-grey.svg

instagram-grey.svg

119 ms

twitter-grey.svg

twitter-grey.svg

116 ms

KDVS-Logo-Horizontal.png

KDVS-Logo-Horizontal.png

124 ms

icon-search-grey.svg

icon-search-grey.svg

118 ms

icon-menu.svg

icon-menu.svg

119 ms

dummy.png

dummy.png

125 ms

ogo.png

ogo.png

123 ms

icon-user-white.svg

icon-user-white.svg

118 ms

icon-comment-3-white.svg

icon-comment-3-white.svg

122 ms

icon-picture-white.svg

icon-picture-white.svg

118 ms

Grant-2-1024x1024.jpg

Grant-2-1024x1024.jpg

153 ms

Grant-1-1024x1024.jpg

Grant-1-1024x1024.jpg

151 ms

IMG_1386_web-1024x683.jpg

IMG_1386_web-1024x683.jpg

153 ms

kdvs-awarenewss-1024x318.jpg

kdvs-awarenewss-1024x318.jpg

148 ms

about-kdvs.jpg

about-kdvs.jpg

147 ms

kool-shirt.jpg

kool-shirt.jpg

144 ms

2019-08_DG_GG_CE-foundation-alliance-logo_V1-200x100.jpg

2019-08_DG_GG_CE-foundation-alliance-logo_V1-200x100.jpg

432 ms

DigitalRGB_Silver_204px-100x100.png

DigitalRGB_Silver_204px-100x100.png

430 ms

odc-logo-color-hires-scaled-200x100.jpg

odc-logo-color-hires-scaled-200x100.jpg

428 ms

jumpstart-program-logo-02-225x87.png

jumpstart-program-logo-02-225x87.png

427 ms

REN-Logo-e1633045658792-200x100.jpg

REN-Logo-e1633045658792-200x100.jpg

147 ms

patients-alliance-logo-e1641168273330.png

patients-alliance-logo-e1641168273330.png

147 ms

nord-membership-2023_PLAT-150x150.jpg

nord-membership-2023_PLAT-150x150.jpg

426 ms

DEE-P-logo-shared-e1663247757928.jpg

DEE-P-logo-shared-e1663247757928.jpg

425 ms

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pxiEyp8kv8JHgFVrJJfedA.woff

133 ms

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pxiByp8kv8JHgFVrLGT9Z1xlEw.woff

261 ms

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415 ms

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pxiByp8kv8JHgFVrLCz7Z1xlEw.woff

414 ms

500 ms

493 ms

6mqYyJcQY50

6mqYyJcQY50

524 ms

kdvs-1.jpg

kdvs-1.jpg

442 ms

kdvs-3.jpg

kdvs-3.jpg

442 ms

kdvs-2.jpg

kdvs-2.jpg

443 ms

kdvsfoundation.org

kdvsfoundation.org

381 ms

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290 ms

recaptcha__en.js

recaptcha__en.js

139 ms

Davis2web.jpg

Davis2web.jpg

188 ms

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www-player.css

www-player.css

89 ms

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122 ms

base.js

base.js

191 ms

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woocommerce-smallscreen.css

woocommerce-smallscreen.css

313 ms

id

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207 ms

ad_status.js

ad_status.js

227 ms

6mt_jkCC8QEMfVv4UaXe0WVRezbgElH9_VSMBGBwk28.js

6mt_jkCC8QEMfVv4UaXe0WVRezbgElH9_VSMBGBwk28.js

100 ms

embed.js

embed.js

29 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

16 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

29 ms

Accessibility Review

kdvsfoundation.org accessibility score

96

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

Links do not have a discernible name

Best Practices

kdvsfoundation.org 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

kdvsfoundation.org SEO score

85

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

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

    EN

  • Encoding

    UTF-8

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

kdvsfoundation.org

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