kurzweiledu.com Website Information
Daily Unique Visits: 7,993
Daily Page Views: 39,965
Income Per Day: $100
Estimated Value: $60,000
This website is located in United States and is using following IP address 12.233.124.182. See the complete list of popular websites hosted in United States.
kurzweiledu.com is registered under .COM top-level domain. Please check other sites in .COM zone.
Website kurzweiledu.com is using the following name servers:
- ns3.voyagerlearning.com
- ns4.voyagerlearning.com
- ns1.voyagerlearning.com
- ns2.voyagerlearning.com
and is probably hosted by ATT-INTERNET4 - AT&T Services, Inc., US. See the full list of other websites hosted by ATT-INTERNET4 - AT&T Services, Inc., US.
The highest website kurzweiledu.com position in Alexa rank database was 58651 and the lowest rank position was 997830. Current position of kurzweiledu.com in Alexa rank database is 170470.
Desktop speed score of kurzweiledu.com (73/100) is better than the results of 56.16% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of kurzweiledu.com (96/100) is better than the results of 46.59% of other sites and means that the page is mobile-friendly.
Mobile speed score of kurzweiledu.com (48/100) is better than the results of 30.32% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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kurzweiledu.com Alexa Rank
The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.
kurzweiledu.com whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
Domain Name: KURZWEILEDU.COM
Registry Domain ID: 4999454_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2022-09-30T14:12:06Z
Creation Date: 1996-06-05T04:00:00Z
Registry Expiry Date: 2027-06-04T04:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.CAMBIUMLEARNING.COM
Name Server: NS2.CAMBIUMLEARNING.COM
DNSSEC: signedDelegation
DNSSEC DS Data: 55306 13 2 54793AA0706DD99C500E2723990028C8E06C052E1C89883C116EC82242CE8402
DNSSEC DS Data: 55306 13 4 22B6D5D9E339EFCEC78C55BC27BBFAB6671F3C9F6D897A0718EA7669DBE7E0142D965ADC46076BD0E97A02535F2EA7D4
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-10-21T05:08:19Z
Registry Domain ID: 4999454_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2022-09-30T14:12:06Z
Creation Date: 1996-06-05T04:00:00Z
Registry Expiry Date: 2027-06-04T04:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS1.CAMBIUMLEARNING.COM
Name Server: NS2.CAMBIUMLEARNING.COM
DNSSEC: signedDelegation
DNSSEC DS Data: 55306 13 2 54793AA0706DD99C500E2723990028C8E06C052E1C89883C116EC82242CE8402
DNSSEC DS Data: 55306 13 4 22B6D5D9E339EFCEC78C55BC27BBFAB6671F3C9F6D897A0718EA7669DBE7E0142D965ADC46076BD0E97A02535F2EA7D4
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-10-21T05:08:19Z
kurzweiledu.com server information
Servers Location
kurzweiledu.com desktop page speed rank
Last tested: 2019-06-27
Desktop Speed
Medium
73/100
kurzweiledu.com Desktop Speed Test Quick Summary
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priority - 10Leverage browser caching
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priority - 9Avoid landing page redirects
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priority - 2Eliminate render-blocking JavaScript and CSS in above-the-fold content
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priority - 0Minify HTML
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kurzweiledu.com Desktop Resource Breakdown
| Total Resources | 71 |
| Number of Hosts | 12 |
| Static Resources | 57 |
| JavaScript Resources | 35 |
| CSS Resources | 10 |
kurzweiledu.com mobile page speed rank
Last tested: 2018-12-27
Mobile Speed
Bad
48/100
kurzweiledu.com Mobile Speed Test Quick Summary
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https://www.kurzweiledu.com/shared/js/scroller--clt_18_12_013-1545324031.js
https://www.kurzweiledu.com/shared/js/lightwindow-…8_12_013-1545324031.js
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https://www.kurzweiledu.com/shared/js/popoutmenu--…8_12_013-1545324031.js
https://www.kurzweiledu.com/content/js/scrollview-…8_12_013-1545324031.js
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Optimize CSS Delivery of the following:
https://www.kurzweiledu.com/content/css/main_new--…_12_013-1545324031.css
https://www.kurzweiledu.com/content/css/navigation…_12_013-1545324031.css
https://www.kurzweiledu.com/content/css/prodnav--c…_12_013-1545324031.css
https://www.kurzweiledu.com/content/css/tabs_new--…_12_013-1545324031.css
https://www.kurzweiledu.com/content/css/prettyPhot…_12_013-1545324031.css
https://www.kurzweiledu.com/content/css/accordion-…_12_013-1545324031.css
https://www.kurzweiledu.com/content/css/video-gall…_12_013-1545324031.css
https://www.kurzweiledu.com/shared/css/lightwindow…_12_013-1545324031.css
https://www.kurzweiledu.com/shared/css/opensans--c…_12_013-1545324031.css
https://www.kurzweiledu.com/content/css/detailsnav…_12_013-1545324031.css
https://www.kurzweiledu.com/content/css/navigation…_12_013-1545324031.css
https://www.kurzweiledu.com/content/css/prodnav--c…_12_013-1545324031.css
https://www.kurzweiledu.com/content/css/tabs_new--…_12_013-1545324031.css
https://www.kurzweiledu.com/content/css/prettyPhot…_12_013-1545324031.css
https://www.kurzweiledu.com/content/css/accordion-…_12_013-1545324031.css
https://www.kurzweiledu.com/content/css/video-gall…_12_013-1545324031.css
https://www.kurzweiledu.com/shared/css/lightwindow…_12_013-1545324031.css
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https://www.kurzweiledu.com/content/css/detailsnav…_12_013-1545324031.css
priority - 34Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://kurzweiledu.com/
https://kurzweiledu.com/
https://www.kurzweiledu.com/default.html
https://kurzweiledu.com/
https://www.kurzweiledu.com/default.html
priority - 25Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 239.6KiB (41% reduction).
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priority - 17Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
https://marketing.kurzweiledu.com/cdnr/71/acton/bn/tracker/11777 (expiration not specified)
https://connect.facebook.net/signals/config/135994…8538?v=2.8.35&r=stable (20 minutes)
https://bat.bing.com/bat.js (30 minutes)
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https://www.kurzweiledu.com/content/images/colin-diedrich-thumb.jpg (12 hours)
https://www.kurzweiledu.com/content/images/facebook.png (12 hours)
https://www.kurzweiledu.com/content/images/firefly-mobile.jpg (12 hours)
https://www.kurzweiledu.com/content/images/footer-line-xl.png (12 hours)
https://www.kurzweiledu.com/content/images/google.png (12 hours)
https://www.kurzweiledu.com/content/images/guided-tour-thumb.jpg (12 hours)
https://www.kurzweiledu.com/content/images/header-line.png (12 hours)
https://www.kurzweiledu.com/content/images/how-to-video-thumb.jpg (12 hours)
https://www.kurzweiledu.com/content/images/icon_top.png (12 hours)
https://www.kurzweiledu.com/content/images/k3000-quiz.jpg (12 hours)
https://www.kurzweiledu.com/content/images/kurzweil-bannner-mountains.png (12 hours)
https://www.kurzweiledu.com/content/images/kurzwei…4-logo-dark-mobile.png (12 hours)
https://www.kurzweiledu.com/content/images/nav-icon.png (12 hours)
https://www.kurzweiledu.com/content/images/prettyP…ht_rounded/btnNext.png (12 hours)
https://www.kurzweiledu.com/content/images/twitter.png (12 hours)
https://www.kurzweiledu.com/content/images/youtube.png (12 hours)
https://www.kurzweiledu.com/shared/img/lightwindow/black.png (12 hours)
https://connect.facebook.net/signals/config/135994…8538?v=2.8.35&r=stable (20 minutes)
https://bat.bing.com/bat.js (30 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.kurzweiledu.com/content/images/banner-01-k3000.jpg (12 hours)
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https://www.kurzweiledu.com/content/images/chromebook-rtw.jpg (12 hours)
https://www.kurzweiledu.com/content/images/colin-diedrich-thumb.jpg (12 hours)
https://www.kurzweiledu.com/content/images/facebook.png (12 hours)
https://www.kurzweiledu.com/content/images/firefly-mobile.jpg (12 hours)
https://www.kurzweiledu.com/content/images/footer-line-xl.png (12 hours)
https://www.kurzweiledu.com/content/images/google.png (12 hours)
https://www.kurzweiledu.com/content/images/guided-tour-thumb.jpg (12 hours)
https://www.kurzweiledu.com/content/images/header-line.png (12 hours)
https://www.kurzweiledu.com/content/images/how-to-video-thumb.jpg (12 hours)
https://www.kurzweiledu.com/content/images/icon_top.png (12 hours)
https://www.kurzweiledu.com/content/images/k3000-quiz.jpg (12 hours)
https://www.kurzweiledu.com/content/images/kurzweil-bannner-mountains.png (12 hours)
https://www.kurzweiledu.com/content/images/kurzwei…4-logo-dark-mobile.png (12 hours)
https://www.kurzweiledu.com/content/images/nav-icon.png (12 hours)
https://www.kurzweiledu.com/content/images/prettyP…ht_rounded/btnNext.png (12 hours)
https://www.kurzweiledu.com/content/images/twitter.png (12 hours)
https://www.kurzweiledu.com/content/images/youtube.png (12 hours)
https://www.kurzweiledu.com/shared/img/lightwindow/black.png (12 hours)
priority - 3Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 31.2KiB (25% reduction).
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priority - 1Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 5.7KiB (18% reduction).
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priority - 0Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 3.5KiB (67% reduction).
Compressing https://marketing.kurzweiledu.com/cdnr/71/acton/bn/tracker/11777 could save 3.5KiB (67% reduction).
priority - 0Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 1.6KiB (21% reduction).
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kurzweiledu.com Mobile Resource Breakdown
| Total Resources | 72 |
| Number of Hosts | 11 |
| Static Resources | 59 |
| JavaScript Resources | 32 |
| CSS Resources | 10 |
kurzweiledu.com mobile page usability
Last tested: 2018-12-27
Mobile Usability
Good
96/100
kurzweiledu.com Mobile Usability Test Quick Summary
priority - 3Size content to viewport
The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.
The page content is 422 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:
The element
<div class="sub-message-co…imFloat shadow">Kurzweil 3000…ciency levels.</div> falls outside the viewport.kurzweiledu.com HTML validation
Warnings
The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.
Line: 28 Column: - 11
"...net" --type="text/java..." Line: 177 Column: - 52
"...-mediaqueries--clt_18_05_008-1..." Line: 560 Column: - 15
"... <!---------- Start Fo..." Line: 571 Column: - 19
"... <!---------- End Foot..."
"...net" --type="text/java..." Line: 177 Column: - 52
"...-mediaqueries--clt_18_05_008-1..." Line: 560 Column: - 15
"... <!---------- Start Fo..." Line: 571 Column: - 19
"... <!---------- End Foot..."
Empty heading.
Line: 256 Column: 59 - 99
"...ult.html"><h1 id="logo" title="Kurzweil Education"></h1><..."
"...ult.html"><h1 id="logo" title="Kurzweil Education"></h1><..."
Attribute “"” is not serializable as XML 1.0.
Line: 548 Column: 5 - 60
"...br /> <div data-position="left" class="notViewed animBlock" "> <a hr..."
"...br /> <div data-position="left" class="notViewed animBlock" "> <a hr..."
This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.
Line: 2 Column: 16 - 47
"...TYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <..."
"...TYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <..."
Errors
The “charset” attribute on the “link” element is obsolete. Use an HTTP Content-Type header on the linked resource instead.
Line: 166 Column: 9 - 142
"...> <link rel="stylesheet" href="/content/css/prettyPhoto--clt_18_05_008-1525711240.css" type="text/css" media="screen" charset="utf-8" /> ..."
"...> <link rel="stylesheet" href="/content/css/prettyPhoto--clt_18_05_008-1525711240.css" type="text/css" media="screen" charset="utf-8" /> ..."
Bad start tag in “img” in “head”.
Line: 243 Column: 19 - 14
"...<noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=1359943434098538&ev=PageView&noscript=1" /></nosc..."
"...<noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=1359943434098538&ev=PageView&noscript=1" /></nosc..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 243 Column: 19 - 14
"...<noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=1359943434098538&ev=PageView&noscript=1" /></nosc..." Line: 484 Column: 81 - 139
"...y device"><img src="/content/images/firefly-mobile.jpg" class="blue"></a><b..." Line: 493 Column: 70 - 130
"... the Web"><img src="/content/images/chromebook-rtw.jpg" class="yellow"></a><b..." Line: 528 Column: 5 - 47
"...div> <img src="content/images/banner-k1000.jpg"></div>..."
"...<noscript><img height="1" width="1" style="display:none" src="https://www.facebook.com/tr?id=1359943434098538&ev=PageView&noscript=1" /></nosc..." Line: 484 Column: 81 - 139
"...y device"><img src="/content/images/firefly-mobile.jpg" class="blue"></a><b..." Line: 493 Column: 70 - 130
"... the Web"><img src="/content/images/chromebook-rtw.jpg" class="yellow"></a><b..." Line: 528 Column: 5 - 47
"...div> <img src="content/images/banner-k1000.jpg"></div>..."
Stray end tag “noscript”.
Line: 243 Column: 15 - 25
"... /></noscript> ..."
"... /></noscript> ..."
Stray end tag “head”.
Line: 247 Column: 5 - 11
"... --> </head> <..."
"... --> </head> <..."
Start tag “body” seen but an element of the same type was already open.
Line: 248 Column: 5 - 10
"...head> <body> ..."
"...head> <body> ..."
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Line: 386 Column: 9 - 15
"...> <style> #cont..."
"...> <style> #cont..."
Attribute “webkitallowfullscreen” not allowed on element “iframe” at this point.
Line: 419 Column: 13 - 165
"... <iframe src="https://player.vimeo.com/video/257164914" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></ifra..."
"... <iframe src="https://player.vimeo.com/video/257164914" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></ifra..."
Attribute “mozallowfullscreen” not allowed on element “iframe” at this point.
Line: 419 Column: 13 - 165
"... <iframe src="https://player.vimeo.com/video/257164914" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></ifra..."
"... <iframe src="https://player.vimeo.com/video/257164914" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></ifra..."
The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.
Line: 419 Column: 13 - 165
"... <iframe src="https://player.vimeo.com/video/257164914" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></ifra..."
"... <iframe src="https://player.vimeo.com/video/257164914" width="640" height="360" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></ifra..."
Malformed byte sequence: “92”.
Line: 451 Column: - 231
"......" Line: 452 Column: - 41
"......" Line: 452 Column: - 192
"......" Line: 490 Column: - 82
"......" Line: 490 Column: - 118
"......"
"......" Line: 452 Column: - 41
"......" Line: 452 Column: - 192
"......" Line: 490 Column: - 82
"......" Line: 490 Column: - 118
"......"
Malformed byte sequence: “97”.
Line: 452 Column: - 85
"......" Line: 494 Column: - 55
"......" Line: 494 Column: - 93
"......"
"......" Line: 494 Column: - 55
"......" Line: 494 Column: - 93
"......"
Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)
Line: 497 Column: 17 - 20
"... <ul> ..."
"... <ul> ..."
End tag “div” seen, but there were open elements.
Line: 499 Column: 9 - 14
"... </div> ..."
"... </div> ..."
Unclosed element “ul”.
Line: 497 Column: 17 - 20
"... <ul> ..." Line: 481 Column: 13 - 16
"... <ul> ..."
"... <ul> ..." Line: 481 Column: 13 - 16
"... <ul> ..."
Malformed byte sequence: “85”.
Line: 508 Column: - 72
"......"
"......"
Saw “"” when expecting an attribute name. Probable cause: “=” missing immediately before.
Line: 548 Column: - 59
"...wed animBlock" "> <a href="/Co..."
"...wed animBlock" "> <a href="/Co..."
Attribute “"” not allowed on element “div” at this point.
Line: 548 Column: 5 - 60
"...br /> <div data-position="left" class="notViewed animBlock" "> <a hr..."
"...br /> <div data-position="left" class="notViewed animBlock" "> <a hr..."
Stray end tag “div”.
Line: 558 Column: 9 - 14
"... </div> ..."
"... </div> ..."
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kurzweiledu.com Ping
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.
kurzweiledu.com TRACEROUTE
Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.