SCHEMERS.ORG The Scheme Programming Language

schemers.org Website Information

Daily Unique Visits: 19,092

Daily Page Views: 114,552

Income Per Day: $229

Estimated Value: $164,880

This website is located in United States and is using following IP address 8.9.4.141. See the complete list of popular websites hosted in United States.

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

Website schemers.org is using the following name servers:

  • ns-67-a.gandi.net
  • ns-6-b.gandi.net
  • ns-122-c.gandi.net

and is probably hosted by AS-CHOOPA - Choopa, LLC, US. See the full list of other websites hosted by AS-CHOOPA - Choopa, LLC, US.

The highest website schemers.org position in Alexa rank database was 75122 and the lowest rank position was 998312. Current position of schemers.org in Alexa rank database is 75122.

Desktop speed score of schemers.org (98/100) is better than the results of 95.58% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of schemers.org (62/100) is better than the results of 7.29% of other sites and means that the page is not mobile-friendly.

Mobile speed score of schemers.org (98/100) is better than the results of 95.71% of other sites and shows that the landing page performance on mobile devices is excellent.

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schemers.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.


schemers.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: SCHEMERS.ORG
Registry Domain ID: D1294492-LROR
Registrar WHOIS Server: whois.gandi.net
Registrar URL: http://www.gandi.net
Updated Date: 2022-01-29T19:07:22Z
Creation Date: 1998-05-19T04:00:00Z
Registry Expiry Date: 2023-05-18T04:00:00Z
Registrar Registration Expiration Date:
Registrar: Gandi SAS
Registrar IANA ID: 81
Registrar Abuse Contact Email: abuse@support.gandi.net
Registrar Abuse Contact Phone: +33.170377661
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: Rice University PLT
Registrant State/Province: RI
Registrant Country: US
Name Server: NS-1101.AWSDNS-09.ORG
Name Server: NS-706.AWSDNS-24.NET
Name Server: NS-388.AWSDNS-48.COM
Name Server: NS-1857.AWSDNS-40.CO.UK
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2022-02-14T19:22:42Z

schemers.org server information

Servers Location

schemers.org desktop page speed rank

Last tested: 2019-10-31


Desktop Speed Good
98/100

schemers.org Desktop Speed Test Quick Summary


priority - 1Leverage 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://plt-scheme.org/logo.gif (expiration not specified)
https://schemers.org/logo-dsandler.gif (expiration not specified)

priority - 0Optimize images

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

Optimize the following images to reduce their size by 819B (36% reduction).

Compressing https://plt-scheme.org/logo.gif could save 819B (36% reduction).

schemers.org Desktop Resource Breakdown

Total Resources5
Number of Hosts3
Static Resources2

schemers.org mobile page speed rank

Last tested: 2019-08-17


Mobile Speed Good
98/100

schemers.org Mobile Speed Test Quick Summary


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:

https://plt-scheme.org/logo.gif (expiration not specified)
https://schemers.org/logo-dsandler.gif (expiration not specified)

priority - 0Optimize images

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

Optimize the following images to reduce their size by 819B (36% reduction).

Compressing https://plt-scheme.org/logo.gif could save 819B (36% reduction).

schemers.org Mobile Resource Breakdown

Total Resources5
Number of Hosts3
Static Resources2

schemers.org mobile page usability

Last tested: 2019-08-17


Mobile Usability Bad
62/100

schemers.org Mobile Usability Test Quick Summary


priority - 40Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

'(schemers . org): and 4 others render only 6 pixels tall (16 CSS pixels).

the Collège de France and 13 others render only 6 pixels tall (16 CSS pixels).

'(schemers . org)) and 2 others render only 7 pixels tall (19 CSS pixels).

Reqests for Implementation and 28 others render only 7 pixels tall (19 CSS pixels).

I intend this…larger Design. and 3 others render only 6 pixels tall (16 CSS pixels).

Nat. Hist. Earth renders only 6 pixels tall (16 CSS pixels).

News Items and Announcements and 1 others render only 6 pixels tall (16 CSS pixels).

Manuel Serrano…inar on Hop to and 17 others render only 6 pixels tall (16 CSS pixels).

- Albuquerque, NM, USA and 22 others render only 7 pixels tall (19 CSS pixels).

case and 1 others render only 7 pixels tall (19 CSS pixels).

what-would-you-like-to-do? renders only 7 pixels tall (19 CSS pixels).

stay-informed and 4 others render only 7 pixels tall (19 CSS pixels).

choose-from and 5 others render only 7 pixels tall (19 CSS pixels).

(If you're loo…c., they're at and 1 others render only 6 pixels tall (16 CSS pixels).

www.schemers.com and 1 others render only 6 pixels tall (16 CSS pixels).

Last modified…nuary 01, 2018 renders only 6 pixels tall (16 CSS pixels).

priority - 13Size 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.

The tap target <a href="http://homes.s…ann/scheme-14/">2014</a> and 3 others are close to other tap targets.

The tap target <a href="http://communi…rg/?scheme-faq">FAQ</a> and 25 others are close to other tap targets.

priority - 10Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

schemers.org HTML validation

Errors

Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.

Line: 1 Column: 1 - 6
"...<html> <!--..."

The “bgcolor” attribute on the “body” element is obsolete. Use CSS instead.

Line: 12 Column: 1 - 67
"...x-icon"> <body bgcolor=WHITE text=BLACK link=BLUE vlink="#aa0088" alink=RED> <p> ..."

The “text” attribute on the “body” element is obsolete. Use CSS instead.

Line: 12 Column: 1 - 67
"...x-icon"> <body bgcolor=WHITE text=BLACK link=BLUE vlink="#aa0088" alink=RED> <p> ..."

The “link” attribute on the “body” element is obsolete. Use CSS instead.

Line: 12 Column: 1 - 67
"...x-icon"> <body bgcolor=WHITE text=BLACK link=BLUE vlink="#aa0088" alink=RED> <p> ..."

The “vlink” attribute on the “body” element is obsolete. Use CSS instead.

Line: 12 Column: 1 - 67
"...x-icon"> <body bgcolor=WHITE text=BLACK link=BLUE vlink="#aa0088" alink=RED> <p> ..."

The “alink” attribute on the “body” element is obsolete. Use CSS instead.

Line: 12 Column: 1 - 67
"...x-icon"> <body bgcolor=WHITE text=BLACK link=BLUE vlink="#aa0088" alink=RED> <p> ..."

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

Line: 15 Column: 1 - 18
"...RED> <p> <table width=100%> <tr v..." Line: 164 Column: 1 - 18
"... <p> <br> <table width=100%> <tr> ..."

The “width” attribute on the “table” element is obsolete. Use CSS instead.

Line: 15 Column: 1 - 18
"...RED> <p> <table width=100%> <tr v..." Line: 164 Column: 1 - 18
"... <p> <br> <table width=100%> <tr> ..."

The “valign” attribute on the “tr” element is obsolete. Use CSS instead.

Line: 16 Column: 19 - 15
"...idth=100%> <tr valign=TOP> <td..."

A numeric character reference expanded to the C1 controls range.

Line: 26 Column: - 8
"...ces<br> &#151;[<a href="/wel..."

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

Line: 32 Column: 1 - 8
"...td> <p> <center> <tabl..." Line: 46 Column: 1 - 8
"...</p> <p> <center> <tabl..." Line: 104 Column: 1 - 8
"...</p> <p> <center> <tabl..."

The “bgcolor” attribute on the “table” element is obsolete. Use CSS instead.

Line: 33 Column: 1 - 25
"... <center> <table bgcolor="#aad0ff"> <tr> ..." Line: 105 Column: 1 - 25
"... <center> <table bgcolor="#fff0d2"> <tr> ..."

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

Line: 36 Column: 1 - 5
"...<tr> <td> <big> <code..." Line: 108 Column: 1 - 5
"...<tr> <td> <big> <pre>..."

No “p” element in scope but a “p” end tag seen.

Line: 43 Column: 1 - 4
"...</center> </p> <p> ..." Line: 54 Column: 1 - 4
"...</center> </p> <hr>..." Line: 147 Column: 1 - 4
"...</center> </p> <p a..."

The “align” attribute on the “tr” element is obsolete. Use CSS instead.

Line: 48 Column: 8 - 16
"...r> <table> <tr align=RIGHT> <td>I..."

The “align” attribute on the “p” element is obsolete. Use CSS instead.

Line: 58 Column: 1 - 18
"...p> <hr> <p align="CENTER"> <stro..." Line: 99 Column: 1 - 18
"...a>. </p> <p align="CENTER"> <stro..." Line: 149 Column: 1 - 15
"...er> </p> <p align=RIGHT> (If y..."

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

Line: 109 Column: 20 - 35
"...case</b> (<font color=RED>what-w..." Line: 110 Column: 5 - 22
"...ont>) ((<font color=GREEN>learn<..." Line: 111 Column: 5 - 23
"...ont>) (<font color=PURPLE>choose..." Line: 120 Column: 5 - 22
".../a>)) ((<font color=GREEN>progra..." Line: 121 Column: 5 - 23
"...ont>) (<font color=PURPLE>choose..." Line: 125 Column: 5 - 22
"...a>))) ((<font color=GREEN>social..." Line: 126 Column: 5 - 23
"...ont>) (<font color=PURPLE>choose..." Line: 134 Column: 5 - 22
"...USA)) ((<font color=GREEN>work</..." Line: 135 Column: 5 - 23
"...ont>) (<font color=PURPLE>choose..." Line: 136 Column: 5 - 22
".../a>)) ((<font color=GREEN>stay-i..." Line: 137 Column: 5 - 23
"...ont>) (<font color=PURPLE>choose..." Line: 139 Column: 5 - 23
"...e</b> (<font color=PURPLE>choose..."

Start tag “a” seen but an element of the same type was already open.

Line: 127 Column: 139 - 141
"...os">videos<a>) ..." Line: 128 Column: 17 - 75
"... <a href="http://www.neilvandyke.org/boston-lisp-announce/">Boston..."

The “align” attribute on the “td” element is obsolete. Use CSS instead.

Line: 166 Column: 5 - 17
"...100%> <tr> <td align=LEFT> L..." Line: 169 Column: 8 - 18
"...18 </td> <td align=RIGHT> P..." Line: 175 Column: 12 - 20
"... <td></td> <td align="RIGHT"> <..."

The “align” attribute on the “img” element is obsolete. Use CSS instead.

Line: 172 Column: 30 - 40
"...me.shtml"><img align=CENTER src="http://www.plt-scheme.org/logo.gif" width=91 height=31 alt="PLT"></a></..."

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schemers.org 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.


schemers.org 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.