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d2l.org screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

d2l.org

Child Sexual Abuse | Sexual Abuse Prevention | Darkness to Light - Darkness to Light

Page Load Speed

3 sec in total

First Response

97 ms

Resources Loaded

2.1 sec

Page Rendered

816 ms

d2l.org screenshot

About Website

Welcome to d2l.org homepage info - get ready to check D 2 L best content for United States right away, or after learning these important things about d2l.org

Child Sexual Abuse Prevention starts here. Darkness to Light is a nonprofit committed to empowering adults to end child sexual abuse.

Visit d2l.org

Key Findings

We analyzed D2l.org page load time and found that the first response time was 97 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

d2l.org performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.9 s

4/100

10%

LCP (Largest Contentful Paint)

Value26.3 s

0/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value1,760 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value22.6 s

1/100

10%

Network Requests Diagram

d2l.org

97 ms

www.d2l.org

79 ms

www.d2l.org

120 ms

css

116 ms

saa4dqo.css

188 ms

Our browser made a total of 128 requests to load all elements on the main page. We found that 70% of them (90 requests) were addressed to the original D2l.org, 6% (8 requests) were made to Use.typekit.net and 2% (3 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (840 ms) relates to the external source Acsbapp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 155.2 kB (4%)

Content Size

4.2 MB

After Optimization

4.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of D2l.org main page is 4.2 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 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 127.3 kB

  • Original 158.1 kB
  • After minification 149.6 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 127.3 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 21 B

  • Original 3.4 MB
  • After minification 3.4 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. D 2 L images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 20.6 kB

  • Original 446.5 kB
  • After minification 446.1 kB
  • After compression 425.8 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

-4%

Potential reduce by 7.2 kB

  • Original 176.8 kB
  • After minification 174.8 kB
  • After compression 169.5 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. D2l.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 83 (75%)

Requests Now

110

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of D 2 L. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 49 to 1 for JavaScripts and from 36 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

d2l.org

d2l.org

97 ms

www.d2l.org

www.d2l.org

79 ms

www.d2l.org

www.d2l.org

120 ms

css

css

116 ms

saa4dqo.css

saa4dqo.css

188 ms

formidableforms.css

formidableforms.css

32 ms

sbi-styles.min.css

sbi-styles.min.css

78 ms

style.min.css

style.min.css

78 ms

team.min.css

team.min.css

90 ms

cookie-bar.css

cookie-bar.css

78 ms

font-awesome.min.css

font-awesome.min.css

89 ms

thepostgrid.min.css

thepostgrid.min.css

90 ms

timetable.css

timetable.css

118 ms

give.css

give.css

114 ms

give-donation-summary.css

give-donation-summary.css

114 ms

give-tributes-public.min.css

give-tributes-public.min.css

121 ms

wp-mcm-styles.css

wp-mcm-styles.css

116 ms

themify-icons.min.css

themify-icons.min.css

117 ms

dflip.min.css

dflip.min.css

131 ms

style.css

style.css

129 ms

default.css

default.css

133 ms

pum-site-styles.css

pum-site-styles.css

135 ms

addtoany.min.css

addtoany.min.css

132 ms

ubermenu.min.css

ubermenu.min.css

139 ms

vanilla.css

vanilla.css

141 ms

main.css

main.css

179 ms

homepage.css

homepage.css

143 ms

style.css

style.css

146 ms

givewp-iframes-styles.css

givewp-iframes-styles.css

147 ms

jquery.min.js

jquery.min.js

154 ms

jquery-migrate.min.js

jquery-migrate.min.js

156 ms

owl.carousel.min.js

owl.carousel.min.js

161 ms

give-tributes-common.min.js

give-tributes-common.min.js

165 ms

page.js

page.js

129 ms

addtoany.min.js

addtoany.min.js

158 ms

cookie-bar.js

cookie-bar.js

352 ms

lity.min.js

lity.min.js

174 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

176 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

175 ms

wp-polyfill.min.js

wp-polyfill.min.js

182 ms

hooks.min.js

hooks.min.js

196 ms

launch-d22ed92cc555.min.js

launch-d22ed92cc555.min.js

121 ms

socializer.min.css

socializer.min.css

114 ms

all.css

all.css

125 ms

js

js

163 ms

style.min.css

style.min.css

163 ms

donationSDK.min.js

donationSDK.min.js

118 ms

addthis_widget.js

addthis_widget.js

118 ms

element.js

element.js

138 ms

css2

css2

121 ms

iframe_api

iframe_api

139 ms

i18n.min.js

i18n.min.js

187 ms

give.js

give.js

169 ms

give-tributes-public.min.js

give-tributes-public.min.js

121 ms

event-tracking.js

event-tracking.js

121 ms

jquery.min.js

jquery.min.js

272 ms

owl.carousel.min.js

owl.carousel.min.js

262 ms

team.min.js

team.min.js

262 ms

give-donation-summary.js

give-donation-summary.js

260 ms

dflip.min.js

dflip.min.js

239 ms

core.min.js

core.min.js

241 ms

pum-site-scripts.js

pum-site-scripts.js

238 ms

mobile-detect.min.js

mobile-detect.min.js

238 ms

ubermenu.min.js

ubermenu.min.js

236 ms

modernizr.js

modernizr.js

235 ms

main.js

main.js

271 ms

bootstrap.js

bootstrap.js

274 ms

imagesloaded.min.js

imagesloaded.min.js

268 ms

masonry.min.js

masonry.min.js

265 ms

js.cookie-min.js

js.cookie-min.js

267 ms

pixel-cat.min.js

pixel-cat.min.js

262 ms

video.js

video.js

261 ms

p.css

p.css

25 ms

fbevents.js

fbevents.js

146 ms

owl.carousel.min.css

owl.carousel.min.css

143 ms

owl.theme.default.min.css

owl.theme.default.min.css

146 ms

ladda-themeless.min.css

ladda-themeless.min.css

144 ms

themify-icons.css

themify-icons.css

145 ms

gtm.js

gtm.js

69 ms

bbi

bbi

392 ms

sbi-sprite.png

sbi-sprite.png

66 ms

D2L-2020-Primary-Logo.png

D2L-2020-Primary-Logo.png

65 ms

D2L-2020-Secondary-Logo.png

D2L-2020-Secondary-Logo.png

64 ms

child-sexual-abuse-mobile.jpg

child-sexual-abuse-mobile.jpg

65 ms

COVID19-Slider.png

COVID19-Slider.png

67 ms

Homepage-Slider_Fact-or-Fiction.png

Homepage-Slider_Fact-or-Fiction.png

267 ms

EDUCATE-Our-Approach-Icon-01.png

EDUCATE-Our-Approach-Icon-01.png

385 ms

RESEARCH-Our-Approach-Icon-03.png

RESEARCH-Our-Approach-Icon-03.png

384 ms

ADVOCATE-Our-Approach-Icon.png

ADVOCATE-Our-Approach-Icon.png

264 ms

homepage_map.jpg

homepage_map.jpg

386 ms

oak-foundation.png

oak-foundation.png

384 ms

EB_JUFG_Logo.jpg

EB_JUFG_Logo.jpg

385 ms

Microsoft-Logo-Transparent-Background1.png

Microsoft-Logo-Transparent-Background1.png

384 ms

Exchange-Club.png

Exchange-Club.png

391 ms

cornerstoneondemand.jpg

cornerstoneondemand.jpg

392 ms

Silicon-Valley-CF-2012-logo-svcf-4-color.png

Silicon-Valley-CF-2012-logo-svcf-4-color.png

389 ms

Aerie_logo.png

Aerie_logo.png

388 ms

D2L-2020-Primary-Logo-450x67.png

D2L-2020-Primary-Logo-450x67.png

387 ms

Untitled-design-78-760x428.png

Untitled-design-78-760x428.png

389 ms

sm.25.html

sm.25.html

59 ms

eso.BRQnzO8v.js

eso.BRQnzO8v.js

380 ms

sdk.js

sdk.js

18 ms

NEW-SOCOL-Web-Banners.png

NEW-SOCOL-Web-Banners.png

135 ms

child-sexual-abuse.jpg

child-sexual-abuse.jpg

131 ms

sdk.js

sdk.js

103 ms

44 ms

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563 ms

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565 ms

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671 ms

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564 ms

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566 ms

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759 ms

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758 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

759 ms

S6u9w4BMUTPHh6UVSwiPHA.ttf

S6u9w4BMUTPHh6UVSwiPHA.ttf

813 ms

fa-solid-900.woff

fa-solid-900.woff

561 ms

fa-solid-900.ttf

fa-solid-900.ttf

564 ms

fa-regular-400.woff

fa-regular-400.woff

564 ms

fa-regular-400.ttf

fa-regular-400.ttf

560 ms

symbol-defs.svg

symbol-defs.svg

614 ms

www-widgetapi.js

www-widgetapi.js

481 ms

app.js

app.js

840 ms

jquery.mousewheel.min.js

jquery.mousewheel.min.js

784 ms

9207.js

9207.js

549 ms

bbi.min.css

bbi.min.css

164 ms

bbi-base-min.js

bbi-base-min.js

284 ms

nav-arrow-left.svg

nav-arrow-left.svg

205 ms

nav-arrow-right.svg

nav-arrow-right.svg

206 ms

Accessibility Review

d2l.org accessibility score

80

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

d2l.org best practices score

67

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

SEO Factors

d2l.org SEO score

86

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

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 D2l.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 D2l.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

d2l.org

Open Graph data is detected on the main page of D 2 L. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: