varianceexplained.org Website Information

Daily Unique Visits: 5,983

Daily Page Views: 23,932

Income Per Day: $67

Estimated Value: $36,180

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

No name server records were found.

and is probably hosted by GITHUB - GitHub, Inc., US. See the full list of other websites hosted by GITHUB - GitHub, Inc., US.

The highest website varianceexplained.org position in Alexa rank database was 19452 and the lowest rank position was 994994. Current position of varianceexplained.org in Alexa rank database is 209751.

Desktop speed score of varianceexplained.org (90/100) is better than the results of 88.96% of other sites and shows that the page is performing great on desktop computers.

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

Mobile speed score of varianceexplained.org (77/100) is better than the results of 86.05% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

varianceexplained.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.

varianceexplained.org 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: VARIANCEEXPLAINED.ORG
Registry Domain ID: D174728660-LROR
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2020-12-04T22:08:32Z
Creation Date: 2014-12-05T18:09:03Z
Registry Expiry Date: 2025-12-05T18:09:03Z
Registrar Registration Expiration Date:
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: Privacy service provided by Withheld for Privacy ehf
Registrant State/Province: Capital Region
Registrant Country: IS
Name Server: DNS1.REGISTRAR-SERVERS.COM
Name Server: DNS2.REGISTRAR-SERVERS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2022-02-18T19:59:35Z

varianceexplained.org server information

Servers Location

varianceexplained.org desktop page speed rank

Last tested: 2019-01-20

Desktop Speed Good

90/100

varianceexplained.org Desktop Speed Test Quick Summary

priority - 6Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://varianceexplained.org/assets/js/vendor/modernizr-2.7.1.custom.min.js
http://cdn.mathjax.org/mathjax/latest/MathJax.js?c…=TeX-AMS-MML_HTMLorMML

Optimize CSS Delivery of the following:

http://varianceexplained.org/assets/css/main.css
http://fonts.googleapis.com/css?family=PT+Sans+Nar…erif:400,700,400italic

priority - 2Leverage 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:

http://varianceexplained.org/assets/css/main.css (10 minutes)
http://varianceexplained.org/assets/js/scripts.min.js (10 minutes)
http://varianceexplained.org/assets/js/vendor/modernizr-2.7.1.custom.min.js (10 minutes)
http://varianceexplained.org/images/david_robinson_picture2.jpg (10 minutes)
http://www.google-analytics.com/analytics.js (2 hours)

priority - 1Optimize images

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Optimize the following images to reduce their size by 12.4KiB (81% reduction).

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priority - 0Minify HTML

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priority - 0Minify JavaScript

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varianceexplained.org Desktop Resource Breakdown

Total Resources	16
Number of Hosts	7
Static Resources	10
JavaScript Resources	7
CSS Resources	2

varianceexplained.org mobile page speed rank

Last tested: 2019-01-20

Mobile Speed Medium

77/100

varianceexplained.org Mobile Speed Test Quick Summary

priority - 24Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://varianceexplained.org/assets/js/vendor/modernizr-2.7.1.custom.min.js
http://cdn.mathjax.org/mathjax/latest/MathJax.js?c…=TeX-AMS-MML_HTMLorMML

Optimize CSS Delivery of the following:

http://varianceexplained.org/assets/css/main.css
http://fonts.googleapis.com/css?family=PT+Sans+Nar…erif:400,700,400italic

priority - 4Leverage 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 - 1Optimize images

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

Optimize the following images to reduce their size by 7.6KiB (50% reduction).

Compressing http://varianceexplained.org/images/david_robinson_picture2.jpg could save 7.6KiB (50% 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 430B (13% reduction).

Minifying http://varianceexplained.org/ could save 430B (13% reduction) after compression.

priority - 0Minify 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 208B (30% reduction).

Minifying http://cdn.mathjax.org/mathjax/latest/MathJax.js?c…=TeX-AMS-MML_HTMLorMML could save 208B (30% reduction) after compression.

varianceexplained.org Mobile Resource Breakdown

Total Resources	14
Number of Hosts	7
Static Resources	10
JavaScript Resources	7
CSS Resources	2

varianceexplained.org mobile page usability

Last tested: 2019-01-20

Mobile Usability Good

100/100

varianceexplained.org HTML validation

Errors

Bad value “cleartype” for attribute “http-equiv” on element “meta”.

Line: 46 Column: 1 - 42
"...in.css"> <meta http-equiv="cleartype" content="on"> <!--..."

A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.

Line: 72 Column: 1 - 137
"... mini --> <link rel="apple-touch-icon-precomposed" sizes="72x72" href="http://varianceexplained.org/images/apple-touch-icon-72x72-precomposed.png"> <!..." Line: 74 Column: 1 - 141
"...Touch --> <link rel="apple-touch-icon-precomposed" sizes="114x114" href="http://varianceexplained.org/images/apple-touch-icon-114x114-precomposed.png">  <link rel="apple-touch-icon-precomposed" sizes="144x144" href="http://varianceexplained.org/images/apple-touch-icon-144x144-precomposed.png"> <!--..."

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

Line: 155 Column: 1 - 23
"... </form> <style type="text/css"> .sty..."

Element “p” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)

Line: 193 Column: 9 - 30
"...> <p class = "dateline">Novemb..." Line: 202 Column: 9 - 30
"...> <p class = "dateline">Novemb..." Line: 211 Column: 9 - 30
"...> <p class = "dateline">Septem..." Line: 220 Column: 9 - 30
"...> <p class = "dateline">August..." Line: 229 Column: 9 - 30
"...> <p class = "dateline">July 0..."

Stray end tag “span”.

Line: 193 Column: 48 - 54
"...r 14, 2017</span> </h2>..." Line: 202 Column: 48 - 54
"...r 09, 2017</span> </h2>..." Line: 211 Column: 49 - 55
"...r 21, 2017</span> </h2>..." Line: 220 Column: 46 - 52
"...t 09, 2017</span> </h2>..." Line: 229 Column: 44 - 50
"...y 05, 2017</span> </h2>..."

No space between attributes.

Line: 201 Column: - 90
"...e="Announcing "Introduction to..."

Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.

Line: 201 Column: - 119
"...o the Tidyverse", my new DataC..." Line: 201 Column: - 144
"...DataCamp course">Announcing "I..."