criticalthinking.org Website Information

Daily Unique Visits: 43,547

Daily Page Views: 261,282

Income Per Day: $523

Estimated Value: $376,560

This website is located in United States and is using following IP address 208.66.56.66. See the complete list of popular websites hosted in United States.

criticalthinking.org is registered under .ORG top-level domain. Please check other sites in .ORG zone.

Website criticalthinking.org is using the following name servers:

dns1.commentum.com
dns2.commentum.com

and is probably hosted by COGENT-174 - Cogent Communications, US. See the full list of other websites hosted by COGENT-174 - Cogent Communications, US.

The highest website criticalthinking.org position in Alexa rank database was 22168 and the lowest rank position was 983417. Current position of criticalthinking.org in Alexa rank database is 32935.

Desktop speed score of criticalthinking.org (24/100) is better than the results of 5.61% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of criticalthinking.org (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.

Mobile speed score of criticalthinking.org (25/100) is better than the results of 6.8% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

criticalthinking.org 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.

criticalthinking.org whois

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Domain Name: CRITICALTHINKING.ORG
Registry Domain ID: D2149598-LROR
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://www.networksolutions.com
Updated Date: 2018-01-15T03:33:13Z
Creation Date: 1998-10-09T04:00:00Z
Registry Expiry Date: 2022-10-08T04:00:00Z
Registrar Registration Expiration Date:
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8003337680
Reseller:
Domain Status: ok https://icann.org/epp#ok
Registrant Organization:
Registrant State/Province: FL
Registrant Country: US
Name Server: DNS1.COMMENTUM.COM
Name Server: DNS2.COMMENTUM.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2021-05-04T15:09:50Z

criticalthinking.org server information

Servers Location

criticalthinking.org desktop page speed rank

Last tested: 2018-02-04

Desktop Speed Bad

24/100

criticalthinking.org Desktop Speed Test Quick Summary

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priority - 36Leverage browser caching

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priority - 14Minify JavaScript

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priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 2Prioritize visible content

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criticalthinking.org Desktop Resource Breakdown

Total Resources	98
Number of Hosts	6
Static Resources	75
JavaScript Resources	9
CSS Resources	3

criticalthinking.org mobile page speed rank

Last tested: 2018-01-21

Mobile Speed Bad

25/100

criticalthinking.org Mobile Speed Test Quick Summary

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priority - 55Leverage browser caching

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priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content

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criticalthinking.org Mobile Resource Breakdown

Total Resources	98
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Static Resources	75
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CSS Resources	3

criticalthinking.org mobile page usability

Last tested: 2018-01-21

Mobile Usability Good

99/100

criticalthinking.org Mobile Usability Test Quick Summary

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criticalthinking.org HTML validation

Errors

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

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Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.

Line: 403 Column: 25 - 115
"... <img src="http://www.criticalthinking.org/data/homepage_slides/2/slide2.png" width="100%"/> ..." Line: 423 Column: 25 - 116
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Attribute “rel” not allowed on element “span” at this point.

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"... <span class="editable" rel="primary-column"> ..." Line: 644 Column: 13 - 55
"... <span class="editable" rel="tertiary-column"> ..."

Attribute “rel” not allowed on element “div” at this point.

Line: 483 Column: 17 - 73
"... <div class="feature-box editable" rel="secondary-column"> ..." Line: 489 Column: 17 - 74
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"... <div class="feature-box editable" rel="focus-on-5-column"> ..." Line: 515 Column: 17 - 74
"... <div class="feature-box editable" rel="focus-on-6-column"> ..."

Attribute “cms” not allowed on element “img” at this point.

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The “center” element is obsolete. Use CSS instead.

Line: 484 Column: 1240 - 1247
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Attribute “href” not allowed on element “img” at this point.

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Bad value “http://www.criticalthinking.org/store/cart/add.php?redirect=store/cart/&accessories[666]=1&qty=1&inventories_id=155” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.

Line: 589 Column: 25 - 39
"... <a href="http://www.criticalthinking.org/store/cart/add.php?redirect=store/cart/&accessories[666]=1&qty=1&inventories_id=155" class="btn">Add to..."

Attribute “rel” not allowed on element “ul” at this point.

Line: 648 Column: 13 - 63
"... <ul class="books editable" rel="quaternary-column"> ..."

Element “br” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

Line: 649 Column: 3013 - 3030
"...</li> <br class="clear"> <l..." Line: 649 Column: 4957 - 4974
"...</li> <br class="clear"> ..."

Stray end tag “div”.

Line: 664 Column: 1 - 6
"..."clear"/> </div> <!--..."

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Optimize CSS Delivery of the following:

priority - 3Minify 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 32.6KiB (40% reduction).

priority - 2Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

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 6.2KiB (17% reduction).

criticalthinking.org Desktop Resource Breakdown

criticalthinking.org mobile page speed rank

criticalthinking.org Mobile Speed Test Quick Summary

priority - 98Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 952.2KiB (41% reduction).

priority - 63Enable 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 615.4KiB (77% reduction).

priority - 55Leverage 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:

priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 7 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

Optimize CSS Delivery of the following:

priority - 14Minify 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 134.1KiB (27% reduction).

priority - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

priority - 3Minify 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 32.6KiB (40% reduction).

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 6.2KiB (17% reduction).

criticalthinking.org Mobile Resource Breakdown

criticalthinking.org mobile page usability

criticalthinking.org Mobile Usability Test Quick Summary

priority - 0Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

criticalthinking.org HTML validation

Errors

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Bad value “100%” for attribute “width” on element “img”: Expected a digit but saw “%” instead.

Attribute “rel” not allowed on element “span” at this point.

Attribute “rel” not allowed on element “div” at this point.

Attribute “cms” not allowed on element “img” at this point.

The “center” element is obsolete. Use CSS instead.

Attribute “href” not allowed on element “img” at this point.

Bad value “http://www.criticalthinking.org/images/books/Critical-Thinking Reading-WritingTest.jpg” for attribute “src” on element “img”: Illegal character in path segment: space is not allowed.

Bad value “http://www.criticalthinking.org/store/cart/add.php?redirect=store/cart/&accessories[666]=1&qty=1&inventories_id=155” for attribute “href” on element “a”: Illegal character in query: “[” is not allowed.

Attribute “rel” not allowed on element “ul” at this point.

Element “br” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

Stray end tag “div”.