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.
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
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/tv/images/PCalc-tvOS-256x154.png could save 26.6KiB (58% reduction).
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/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:
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).
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.
Minify HTML for the following resources to reduce their size by 1.1KiB (19% 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).
pcalc.com Desktop Resource Breakdown
Total Resources | 6 |
Number of Hosts | 2 |
Static Resources | 5 |
CSS Resources | 1 |
pcalc.com mobile page speed rank
Last tested: 2018-08-24
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:
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/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/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).
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).
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).
pcalc.com Mobile Resource Breakdown
Total Resources | 7 |
Number of Hosts | 2 |
Static Resources | 5 |
CSS Resources | 1 |
pcalc.com mobile page usability
Last tested: 2018-08-24
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.
<a href="ios/whatsnew.html">New 3.7.7 with…one X support!</a>
and 2 others are close to other tap targets.<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>”.
"...<!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”).
"...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”.
"...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.
"...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.
"...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.
"...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.
"...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.
"...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.
"... <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.
"... <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.
"...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”.
".../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”.
"...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”.
"...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”.
"... <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.
"... <tr> <td align="center" valign="middle" width="128"> ..."
Duplicate ID “Image2”.
"...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.
"...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.
"...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.
"...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.
"...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.
"... <div id="description" align="left"> ..." Line: 29 Column: 13 - 47
"... <div id="description" align="left"> ..."
The first occurrence of ID “Image2” was here.
"...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
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.
pcalc.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.