PCALC.COM Website Information

pcalc.com Website Information

Daily Unique Visits: 2,548

Daily Page Views: 7,644

Income Per Day: $23

Estimated Value: $8,280

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

No name server records were found.

and is probably hosted by PAIR-NETWORKS - pair Networks, US. See the full list of other websites hosted by PAIR-NETWORKS - pair Networks, US.

The highest website pcalc.com position in Alexa rank database was 53686 and the lowest rank position was 974392. Current position of pcalc.com in Alexa rank database is 422238.

Desktop speed score of pcalc.com (87/100) is better than the results of 84.39% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of pcalc.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 pcalc.com (87/100) is better than the results of 91.36% of other sites and shows that the landing page performance on mobile devices is excellent.

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pcalc.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.


pcalc.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: PCALC.COM
Registry Domain ID: 33995164_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.easyspace.com
Registrar URL: http://www.easyspace.com
Updated Date: 2022-08-05T05:07:47Z
Creation Date: 2000-09-04T10:41:27Z
Registry Expiry Date: 2024-09-04T10:41:27Z
Registrar: EASYSPACE LIMITED
Registrar IANA ID: 79
Registrar Abuse Contact Email: abuse@easyspace.com
Registrar Abuse Contact Phone: +44.3707555066
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: DNS.PAIR.COM
Name Server: NS0.NS0.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-02-02T23:59:58Z

pcalc.com server information

Servers Location

pcalc.com desktop page speed rank

Last tested: 2018-03-19


Desktop Speed Good
87/100

pcalc.com Desktop Speed Test Quick Summary


priority - 8Optimize images

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

Optimize the following images to reduce their size by 81.5KiB (60% reduction).

Compressing and resizing http://s3.amazonaws.com/pcalc/iphone/images/PCalc-iOS-256x256.png could save 30.2KiB (62% reduction).
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Compressing and resizing http://s3.amazonaws.com/pcalc/images/PCalc-Mac-256x256.png could save 24.5KiB (61% reduction).
Compressing http://pcalc.com/images/Paper.gif could save 202B (27% reduction).

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://pcalc.com/front.css (expiration not specified)
http://pcalc.com/images/Paper.gif (expiration not specified)
http://s3.amazonaws.com/pcalc/images/PCalc-Mac-256x256.png (expiration not specified)
http://s3.amazonaws.com/pcalc/iphone/images/PCalc-iOS-256x256.png (expiration not specified)
http://s3.amazonaws.com/pcalc/tv/images/PCalc-tvOS-256x154.png (expiration not specified)

priority - 2Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

http://pcalc.com/front.css

priority - 1Enable 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 6.3KiB (73% reduction).

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Compressing http://pcalc.com/front.css could save 1.8KiB (73% 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.

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priority - 0Minify CSS

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pcalc.com Desktop Resource Breakdown

Total Resources6
Number of Hosts2
Static Resources5
CSS Resources1

pcalc.com mobile page speed rank

Last tested: 2018-08-24


Mobile Speed Good
87/100

pcalc.com Mobile Speed Test Quick Summary


priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://pcalc.com/front.css

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:

https://pcalc.com/front.css (expiration not specified)
https://pcalc.com/images/Paper.gif (expiration not specified)
https://s3.amazonaws.com/pcalc/images/PCalc-Mac-256x256.png (expiration not specified)
https://s3.amazonaws.com/pcalc/iphone/images/PCalc-iOS-256x256.png (expiration not specified)
https://s3.amazonaws.com/pcalc/tv/images/PCalc-tvOS-256x154.png (expiration not specified)

priority - 1Enable 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 6.5KiB (73% reduction).

Compressing https://pcalc.com/ could save 4.8KiB (74% reduction).
Compressing https://pcalc.com/front.css could save 1.8KiB (73% 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 (26% reduction).

Minifying https://pcalc.com/ could save 1.6KiB (26% reduction).

priority - 0Minify 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 359B (15% reduction).

Minifying https://pcalc.com/front.css could save 359B (15% reduction).

priority - 0Optimize images

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

Optimize the following images to reduce their size by 202B (27% reduction).

Compressing https://pcalc.com/images/Paper.gif could save 202B (27% reduction).

pcalc.com Mobile Resource Breakdown

Total Resources7
Number of Hosts2
Static Resources5
CSS Resources1

pcalc.com mobile page usability

Last tested: 2018-08-24


Mobile Usability Bad
62/100

pcalc.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.

PCalc for iPa…& Apple Watch and 2 others render only 7 pixels tall (19 CSS pixels).

A fully featur…t conversions. and 3 others render only 6 pixels tall (15 CSS pixels).

New 4.5.7 with…ierra support! and 2 others render only 6 pixels tall (15 CSS pixels).

Read the Developer Blog and 33 others render only 6 pixels tall (15 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="ios/whatsnew.html">New 3.7.7 with…one X support!</a> and 2 others are close to other tap targets.

The tap target <a href="ios/index.html" class="smallheadings">About</a> and 15 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.

pcalc.com HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Line: 2 Column: 1 - 67
"...<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd"> <html..."

Internal encoding declaration “iso-8859-1” disagrees with the actual encoding of the document (“utf-8”).

Line: 7 Column: 2 - 72
"...xt/css"> <meta http-equiv="content-type" content="text/html;charset=ISO-8859-1"> <met..."

Bad value “text/html;charset=ISO-8859-1” for attribute “content” on element “meta”: “iso-8859-1” is not a preferred encoding name. The preferred label for this encoding is “windows-1252”.

Line: 7 Column: 2 - 72
"...xt/css"> <meta http-equiv="content-type" content="text/html;charset=ISO-8859-1"> <met..."

Attribute “affiliate-data” not allowed on element “meta” at this point.

Line: 11 Column: 5 - 86
"...bal"> <meta name="apple-itunes-app" content="app-id=284666222" affiliate-data="10l4D6"/> <..."

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

Line: 20 Column: 3 - 33
"...ntent"> <div id="icons" align="center"> ..." Line: 24 Column: 13 - 32
"... <div align="center"> ..." Line: 29 Column: 13 - 47
"... <div id="description" align="left"> ..." Line: 37 Column: 7 - 26
"...le> <div align="center"> ..." Line: 44 Column: 3 - 33
"...ntent"> <div id="icons" align="center"> <..." Line: 48 Column: 13 - 32
"... <div align="center"> ..." Line: 53 Column: 13 - 62
"... <div align="left" class="style6" id="description"> ..." Line: 60 Column: 7 - 26
"... <div align="center"> ..." Line: 68 Column: 3 - 33
"...ntent"> <div id="icons" align="center"> <..." Line: 72 Column: 13 - 32
"... <div align="center"> ..." Line: 77 Column: 13 - 62
"... <div align="left" class="style6" id="description"> ..." Line: 84 Column: 7 - 26
"... <div align="center"> ..." Line: 92 Column: 3 - 33
"...ntent"> <div id="icons" align="center"> <..." Line: 93 Column: 5 - 46
"...ter"> <div align="center" class="smallheadings"><a hre..."

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

Line: 21 Column: 7 - 52
"...r"> <table width="512" border="0" cellpadding="0"> ..." Line: 45 Column: 5 - 50
"...ter"> <table width="512" border="0" cellpadding="0"> ..." Line: 69 Column: 5 - 50
"...ter"> <table width="512" border="0" cellpadding="0"> ..."

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

Line: 21 Column: 7 - 52
"...r"> <table width="512" border="0" cellpadding="0"> ..." Line: 45 Column: 5 - 50
"...ter"> <table width="512" border="0" cellpadding="0"> ..." Line: 69 Column: 5 - 50
"...ter"> <table width="512" border="0" cellpadding="0"> ..."

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

Line: 21 Column: 7 - 52
"...r"> <table width="512" border="0" cellpadding="0"> ..." Line: 45 Column: 5 - 50
"...ter"> <table width="512" border="0" cellpadding="0"> ..." Line: 69 Column: 5 - 50
"...ter"> <table width="512" border="0" cellpadding="0"> ..."

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

Line: 23 Column: 15 - 45
"... <tr> <td align="center" valign="middle"> ..." Line: 47 Column: 15 - 45
"... <tr> <td align="center" valign="middle"> ..." Line: 71 Column: 15 - 57
"... <tr> <td align="center" valign="middle" width="128"> ..."

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

Line: 23 Column: 15 - 45
"... <tr> <td align="center" valign="middle"> ..." Line: 28 Column: 22 - 30
".../div></td> <td valign="middle"> ..." Line: 47 Column: 15 - 45
"... <tr> <td align="center" valign="middle"> ..." Line: 52 Column: 22 - 30
".../div></td> <td valign="middle"> ..." Line: 71 Column: 15 - 57
"... <tr> <td align="center" valign="middle" width="128"> ..." Line: 76 Column: 22 - 30
".../div></td> <td valign="middle"> ..."

The “name” attribute on the “img” element is obsolete. Use the “id” attribute instead.

Line: 25 Column: 43 - 199
"...dex.html"><img src="https://s3.amazonaws.com/pcalc/iphone/images/PCalc-iOS-256x256.png" alt="PCalc Icon" name="Image3" width="128" height="128" border="0" id="Image3"></a><a..." Line: 49 Column: 44 - 193
"...ex.html" ><img src="https://s3.amazonaws.com/pcalc/images/PCalc-Mac-256x256.png" alt="PCalc Icon" name="Image2" width="128" height="128" border="0" id="Image2"></a><a..." Line: 73 Column: 43 - 195
"...ex.html" ><img src="https://s3.amazonaws.com/pcalc/tv/images/PCalc-tvOS-256x154.png" alt="PCalc Icon" name="Image2" width="128" height="77" border="0" id="Image2"></a><a..."

Duplicate ID “mainbox”.

Line: 42 Column: 1 - 18
".../div><br> <div id="mainbox"> <div ..." Line: 66 Column: 1 - 18
".../div><br> <div id="mainbox"> <div ..." Line: 90 Column: 1 - 18
".../div><br> <div id="mainbox"> ..."

Duplicate ID “content”.

Line: 43 Column: 1 - 18
"...mainbox"> <div id="content"> <di..." Line: 67 Column: 1 - 18
"...mainbox"> <div id="content"> <di..." Line: 91 Column: 19 - 18
"..."mainbox"> <div id="content"> <di..."

Duplicate ID “icons”.

Line: 44 Column: 3 - 33
"...ntent"> <div id="icons" align="center"> <..." Line: 68 Column: 3 - 33
"...ntent"> <div id="icons" align="center"> <..." Line: 92 Column: 3 - 33
"...ntent"> <div id="icons" align="center"> <..."

Duplicate ID “description”.

Line: 53 Column: 13 - 62
"... <div align="left" class="style6" id="description"> ..." Line: 77 Column: 13 - 62
"... <div align="left" class="style6" id="description"> ..."

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

Line: 71 Column: 15 - 57
"... <tr> <td align="center" valign="middle" width="128"> ..."

Duplicate ID “Image2”.

Line: 73 Column: 43 - 195
"...ex.html" ><img src="https://s3.amazonaws.com/pcalc/tv/images/PCalc-tvOS-256x154.png" alt="PCalc Icon" name="Image2" width="128" height="77" border="0" id="Image2"></a><a..."

Warnings

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

Line: 25 Column: 43 - 199
"...dex.html"><img src="https://s3.amazonaws.com/pcalc/iphone/images/PCalc-iOS-256x256.png" alt="PCalc Icon" name="Image3" width="128" height="128" border="0" id="Image3"></a><a..." Line: 49 Column: 44 - 193
"...ex.html" ><img src="https://s3.amazonaws.com/pcalc/images/PCalc-Mac-256x256.png" alt="PCalc Icon" name="Image2" width="128" height="128" border="0" id="Image2"></a><a..." Line: 73 Column: 43 - 195
"...ex.html" ><img src="https://s3.amazonaws.com/pcalc/tv/images/PCalc-tvOS-256x154.png" alt="PCalc Icon" name="Image2" width="128" height="77" border="0" id="Image2"></a><a..."

The first occurrence of ID “mainbox” was here.

Line: 18 Column: 1 - 18
"...v></p>--> <div id="mainbox"> <div ..." Line: 18 Column: 1 - 18
"...v></p>--> <div id="mainbox"> <div ..." Line: 18 Column: 1 - 18
"...v></p>--> <div id="mainbox"> <div ..."

The first occurrence of ID “content” was here.

Line: 19 Column: 1 - 18
"...mainbox"> <div id="content"> <di..." Line: 19 Column: 1 - 18
"...mainbox"> <div id="content"> <di..." Line: 19 Column: 1 - 18
"...mainbox"> <div id="content"> <di..."

The first occurrence of ID “icons” was here.

Line: 20 Column: 3 - 33
"...ntent"> <div id="icons" align="center"> ..." Line: 20 Column: 3 - 33
"...ntent"> <div id="icons" align="center"> ..." Line: 20 Column: 3 - 33
"...ntent"> <div id="icons" align="center"> ..."

The first occurrence of ID “description” was here.

Line: 29 Column: 13 - 47
"... <div id="description" align="left"> ..." Line: 29 Column: 13 - 47
"... <div id="description" align="left"> ..."

The first occurrence of ID “Image2” was here.

Line: 49 Column: 44 - 193
"...ex.html" ><img src="https://s3.amazonaws.com/pcalc/images/PCalc-Mac-256x256.png" alt="PCalc Icon" name="Image2" width="128" height="128" border="0" id="Image2"></a><a..."

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pcalc.com Ping

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pcalc.com TRACEROUTE

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