FALSTAD.COM Paul Falstad

falstad.com Website Information

Daily Unique Visits: 38,888

Daily Page Views: 233,328

Income Per Day: $467

Estimated Value: $336,240

This website is located in United States and is using following IP address 204.14.88.108. See the complete list of popular websites hosted in United States.

falstad.com is registered under .COM top-level domain. Please check other sites in .COM zone.

Website falstad.com is using the following name servers:

  • ns2.myplesk.cc
  • ns1.myplesk.cc

and is probably hosted by TIER-NET - Tier.Net Technologies LLC, US. See the full list of other websites hosted by TIER-NET - Tier.Net Technologies LLC, US.

The highest website falstad.com position in Alexa rank database was 30588 and the lowest rank position was 85872. Current position of falstad.com in Alexa rank database is 36881.

Desktop speed score of falstad.com (97/100) is better than the results of 95.04% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of falstad.com (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 falstad.com (96/100) is better than the results of 94.79% of other sites and shows that the landing page performance on mobile devices is excellent.

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falstad.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.


falstad.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: FALSTAD.COM
Registry Domain ID: 6081295_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2023-01-14T06:04:40Z
Creation Date: 1999-04-27T19:38:51Z
Registry Expiry Date: 2028-04-27T19:37:22Z
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.MYPLESK.CC
Name Server: NS2.MYPLESK.CC
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-27T08:08:11Z

falstad.com server information

Servers Location

falstad.com desktop page speed rank

Last tested: 2018-11-22


Desktop Speed Good
97/100

falstad.com Desktop 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:

http://falstad.com/loadedstring_small.gif (expiration not specified)
http://falstad.com/maze_small.gif (expiration not specified)
http://falstad.com/membrane_small.gif (expiration not specified)
http://falstad.com/ripple_small.gif (expiration not specified)

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 814B (56% reduction).

Compressing http://falstad.com/ could save 814B (56% reduction).

falstad.com Desktop Resource Breakdown

Total Resources6
Number of Hosts2
Static Resources4

falstad.com mobile page speed rank

Last tested: 2018-11-22


Mobile Speed Good
96/100

falstad.com Mobile Speed Test Quick Summary


priority - 3Leverage 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://falstad.com/loadedstring_small.gif (expiration not specified)
http://falstad.com/maze_small.gif (expiration not specified)
http://falstad.com/membrane_small.gif (expiration not specified)
http://falstad.com/ripple_small.gif (expiration not specified)

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 814B (56% reduction).

Compressing http://falstad.com/ could save 814B (56% reduction).

falstad.com Mobile Resource Breakdown

Total Resources6
Number of Hosts2
Static Resources4

falstad.com mobile page usability

Last tested: 2018-11-22


Mobile Usability Bad
62/100

falstad.com 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.

iPhone/iPad and Android Apps and 4 others render only 7 pixels tall (19 CSS pixels).

an incredibly…r some reason. and 1 others render only 5 pixels tall (13 CSS pixels).

priority - 15Size 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="maze/"></a> and 2 others are close to other tap targets.

The tap target <a href="mathphysics.html">Math and Physics Applets</a> and 3 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.

falstad.com HTML validation

Errors

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

Line: 1 Column: 1 - 7
"...<title>Paul F..."

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

Line: 3 Column: 1 - 38
"...d</title> <body bgcolor="#505050" text="#ffd000" vlink="#ffa000" link="#ffff80" alink="#ffffff" > <hr> ..."

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

Line: 3 Column: 1 - 38
"...d</title> <body bgcolor="#505050" text="#ffd000" vlink="#ffa000" link="#ffff80" alink="#ffffff" > <hr> ..."

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

Line: 3 Column: 1 - 38
"...d</title> <body bgcolor="#505050" text="#ffd000" vlink="#ffa000" link="#ffff80" alink="#ffffff" > <hr> ..."

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

Line: 3 Column: 1 - 38
"...d</title> <body bgcolor="#505050" text="#ffd000" vlink="#ffa000" link="#ffff80" alink="#ffffff" > <hr> ..."

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

Line: 3 Column: 1 - 38
"...d</title> <body bgcolor="#505050" text="#ffd000" vlink="#ffa000" link="#ffff80" alink="#ffffff" > <hr> ..."

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

Line: 5 Column: 1 - 8
"...f" > <hr> <center> <a hr..."

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

Line: 6 Column: 17 - 42
"...f="maze/"><img src="maze_small.gif"></a> <..." Line: 7 Column: 25 - 58
"...dstring/"><img src="loadedstring_small.gif"></a> <..." Line: 8 Column: 21 - 50
"...embrane/"><img src="membrane_small.gif"></a> <..." Line: 9 Column: 19 - 46
"..."ripple/"><img src="ripple_small.gif"></a> <..."

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

Line: 19 Column: 5 - 9
"...<ul> <li><big><b> <a..." Line: 25 Column: 5 - 9
"...><p> <li><big><b> <a..." Line: 31 Column: 5 - 9
"...><p> <li><big><b> <a..." Line: 37 Column: 5 - 9
"...><p> <li><big><b> <a..." Line: 47 Column: 5 - 9
"...><p> <li><big><b> <a..."

Warnings

The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.

Line: 11 Column: 104 - 290
"...="_blank"><img src="http://img.groundspeak.com/stats/img.aspx?txt=geocaching.com&uid=ec0bad6f-f419-4f0a-af3d-fdb4ee805a9e&bg=1" border="0" title="Profile for pfalstad" alt="Profile for pfalstad"></a> </c..."

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falstad.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.


falstad.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.