Tools & Wizards About Us
kurzweiledu.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

kurzweiledu.com

Assistive Learning Technologies & Literacy Software from Kurzweil Education

Page Load Speed

3.7 sec in total

First Response

188 ms

Resources Loaded

2.7 sec

Page Rendered

758 ms

kurzweiledu.com screenshot

About Website

Click here to check amazing Kurzweil Edu content for United States. Otherwise, check out these important facts you probably never knew about kurzweiledu.com

Kurzweil Education's assistive technologies provide accessible learning and parity across devices, offering a simpler experience that engages students. Explore the possibilities today!

Visit kurzweiledu.com

Key Findings

We analyzed Kurzweiledu.com page load time and found that the first response time was 188 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

kurzweiledu.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value19.3 s

2/100

10%

Network Requests Diagram

kurzweiledu.com

188 ms

default.html

408 ms

svg4everybody.legacy.js

71 ms

jquery-1.7.2.min--clt_24_05_002-1715187090.js

210 ms

jquery.prettyPhoto--clt_24_05_002-1715187090.js

107 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 72% of them (70 requests) were addressed to the original Kurzweiledu.com, 9% (9 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Mi.content.kidsa-z.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Kurzweiledu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 319.1 kB (6%)

Content Size

5.2 MB

After Optimization

4.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kurzweiledu.com main page is 5.2 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. 70% of websites need less resources to load. Images take 4.7 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 87.9 kB

  • Original 120.0 kB
  • After minification 108.0 kB
  • After compression 32.1 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 87.9 kB or 73% of the original size.

Image Optimization

-4%

Potential reduce by 183.3 kB

  • Original 4.7 MB
  • After minification 4.5 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. Kurzweil Edu images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 33.6 kB

  • Original 260.0 kB
  • After minification 259.7 kB
  • After compression 226.4 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 33.6 kB or 13% of the original size.

CSS Optimization

-13%

Potential reduce by 14.2 kB

  • Original 112.6 kB
  • After minification 112.6 kB
  • After compression 98.4 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. Kurzweiledu.com needs all CSS files to be minified and compressed as it can save up to 14.2 kB or 13% of the original size.

Requests Breakdown

Number of requests can be reduced by 53 (62%)

Requests Now

86

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kurzweil Edu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kurzweiledu.com

kurzweiledu.com

188 ms

default.html

default.html

408 ms

svg4everybody.legacy.js

svg4everybody.legacy.js

71 ms

jquery-1.7.2.min--clt_24_05_002-1715187090.js

jquery-1.7.2.min--clt_24_05_002-1715187090.js

210 ms

jquery.prettyPhoto--clt_24_05_002-1715187090.js

jquery.prettyPhoto--clt_24_05_002-1715187090.js

107 ms

jquery.jcarousel.min--clt_24_05_002-1715187090.js

jquery.jcarousel.min--clt_24_05_002-1715187090.js

143 ms

jquery.accordion-1.2.2.source--clt_24_05_002-1715187090.js

jquery.accordion-1.2.2.source--clt_24_05_002-1715187090.js

110 ms

window-service.js

window-service.js

115 ms

video-service.js

video-service.js

137 ms

angular-injection-service.js

angular-injection-service.js

139 ms

sorttable3--clt_24_05_002-1715187090.js

sorttable3--clt_24_05_002-1715187090.js

143 ms

prototype--clt_24_05_002-1715187090.js

prototype--clt_24_05_002-1715187090.js

258 ms

scriptaculous--clt_24_05_002-1715187090.js

scriptaculous--clt_24_05_002-1715187090.js

140 ms

commonUtils--clt_24_05_002-1715187090.js

commonUtils--clt_24_05_002-1715187090.js

179 ms

org-picker--clt_24_05_002-1715187090.js

org-picker--clt_24_05_002-1715187090.js

177 ms

scripts--clt_24_05_002-1715187090.js

scripts--clt_24_05_002-1715187090.js

177 ms

swfobject_2--clt_24_05_002-1715187090.js

swfobject_2--clt_24_05_002-1715187090.js

178 ms

popoutcontroller--clt_24_05_002-1715187090.js

popoutcontroller--clt_24_05_002-1715187090.js

222 ms

lightwindow--clt_24_05_002-1715187090.js

lightwindow--clt_24_05_002-1715187090.js

247 ms

infiniteScroller--clt_24_05_002-1715187090.js

infiniteScroller--clt_24_05_002-1715187090.js

221 ms

popoutmenu--clt_24_05_002-1715187090.js

popoutmenu--clt_24_05_002-1715187090.js

222 ms

scrollview--clt_24_05_002-1715187090.js

scrollview--clt_24_05_002-1715187090.js

278 ms

htm5shiv--clt_24_05_002-1715187090.js

htm5shiv--clt_24_05_002-1715187090.js

278 ms

a000d23de6.js

a000d23de6.js

69 ms

css2

css2

38 ms

navigation--clt_24_05_002-1715187090.css

navigation--clt_24_05_002-1715187090.css

278 ms

prodnav--clt_24_05_002-1715187090.css

prodnav--clt_24_05_002-1715187090.css

278 ms

tabs_new--clt_24_05_002-1715187090.css

tabs_new--clt_24_05_002-1715187090.css

281 ms

prettyPhoto--clt_24_05_002-1715187090.css

prettyPhoto--clt_24_05_002-1715187090.css

290 ms

video-gallery-thumbnails--clt_24_05_002-1715187090.css

video-gallery-thumbnails--clt_24_05_002-1715187090.css

311 ms

detailsnav--clt_24_05_002-1715187090.css

detailsnav--clt_24_05_002-1715187090.css

312 ms

lightwindow--clt_24_05_002-1715187090.css

lightwindow--clt_24_05_002-1715187090.css

311 ms

accordion--clt_24_05_002-1715187090.css

accordion--clt_24_05_002-1715187090.css

312 ms

bootstrap--clt_24_05_002-1715187090.css

bootstrap--clt_24_05_002-1715187090.css

354 ms

main--clt_24_05_002-1715187090.css

main--clt_24_05_002-1715187090.css

326 ms

styles--clt_24_05_002-1715187090.css

styles--clt_24_05_002-1715187090.css

381 ms

slick.min--clt_24_05_002-1715187090.css

slick.min--clt_24_05_002-1715187090.css

345 ms

slidebars--clt_24_05_002-1715187090.css

slidebars--clt_24_05_002-1715187090.css

348 ms

dividers--clt_24_05_002-1715187090.css

dividers--clt_24_05_002-1715187090.css

348 ms

bootstrap.css

bootstrap.css

381 ms

bootstrap.js

bootstrap.js

396 ms

player.js

player.js

40 ms

slick.min.js

slick.min.js

361 ms

slidebars.js

slidebars.js

359 ms

custom.js

custom.js

327 ms

builder.js

builder.js

153 ms

effects.js

effects.js

159 ms

dragdrop.js

dragdrop.js

157 ms

controls.js

controls.js

162 ms

slider.js

slider.js

177 ms

sound.js

sound.js

187 ms

uwt.js

uwt.js

122 ms

bat.js

bat.js

264 ms

analytics.js

analytics.js

263 ms

fbevents.js

fbevents.js

211 ms

kurzweil2014-logo-dark-mobile.png

kurzweil2014-logo-dark-mobile.png

186 ms

nav-icon.png

nav-icon.png

185 ms

left-image-group.png

left-image-group.png

736 ms

GettyImages-1401178940.jpg

GettyImages-1401178940.jpg

624 ms

GettyImages-1.jpg

GettyImages-1.jpg

391 ms

gettyimages-1408182733-170667a.jpg

gettyimages-1408182733-170667a.jpg

381 ms

pdf.svg

pdf.svg

243 ms

doc.svg

doc.svg

277 ms

epub.svg

epub.svg

308 ms

jpg.svg

jpg.svg

309 ms

Bookshare.svg

Bookshare.svg

327 ms

GettyImages-1370511233.jpg

GettyImages-1370511233.jpg

1449 ms

Bookshare.png

Bookshare.png

374 ms

One-Drive.png

One-Drive.png

410 ms

Google.png

Google.png

583 ms

Microsoft.png

Microsoft.png

584 ms

Google-Drive.png

Google-Drive.png

585 ms

Google-Classroom.png

Google-Classroom.png

588 ms

Class-Link.png

Class-Link.png

584 ms

Kurzweil-logo.svg

Kurzweil-logo.svg

585 ms

kurzweil-bug.png

kurzweil-bug.png

587 ms

Cambium.png

Cambium.png

589 ms

6xK3dSBYKcSV-LCoeQqfX1RYOo3aPw.ttf

6xK3dSBYKcSV-LCoeQqfX1RYOo3aPw.ttf

206 ms

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vAkA.ttf

6xKydSBYKcSV-LCoeQqfX1RYOo3ig4vAkA.ttf

261 ms

400413489

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166 ms

check-lg.svg

check-lg.svg

564 ms

kurzweil-pattern.jpg

kurzweil-pattern.jpg

566 ms

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbuyRckg.ttf

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbuyRckg.ttf

217 ms

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbsWRckg.ttf

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbsWRckg.ttf

217 ms

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbouRckg.ttf

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217 ms

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8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbrKRckg.ttf

217 ms

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8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbl6Wckg.ttf

217 ms

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbmyWckg.ttf

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216 ms

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbjKWckg.ttf

8vIf7wUr0m80wwYf0QCXZzYzUoTK8RZQvRd-D1NYbjKWckg.ttf

217 ms

black-70.png

black-70.png

409 ms

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149 ms

collect

collect

35 ms

collect

collect

50 ms

js

js

100 ms

adsct

adsct

83 ms

adsct

adsct

273 ms

pd.js

pd.js

21 ms

Accessibility Review

kurzweiledu.com accessibility score

95

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.

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

Best Practices

kurzweiledu.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

kurzweiledu.com SEO score

79

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

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 Kurzweiledu.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 Kurzweiledu.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

kurzweiledu.com

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