ALCULA.COM Online Calculators for Math and Statistics

alcula.com Website Information

Daily Unique Visits: 2,434

Daily Page Views: 7,302

Income Per Day: $22

Estimated Value: $7,920

This website is located in United States and is using following IP address 209.197.120.131. See the complete list of popular websites hosted in United States.

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

Website alcula.com is using the following name servers:

  • ns570.pair.com
  • ns7.ns0.com

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 alcula.com position in Alexa rank database was 12908 and the lowest rank position was 618426. Current position of alcula.com in Alexa rank database is 441860.

Desktop speed score of alcula.com (82/100) is better than the results of 74.03% of other sites and shows that the page is performing great on desktop computers.

Mobile usability score of alcula.com (93/100) is better than the results of 34.93% of other sites and means that the page is mobile-friendly.

Mobile speed score of alcula.com (72/100) is better than the results of 79.79% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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alcula.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.


alcula.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: ALCULA.COM
Registry Domain ID: 319017446_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.godaddy.com
Updated Date: 2020-01-19T04:57:08Z
Creation Date: 2006-01-17T16:18:22Z
Registry Expiry Date: 2022-01-17T16:18:22Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: 480-624-2505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS502.PAIR.COM
Name Server: NS7.NS0.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-05-04T08:36:19Z

alcula.com server information

Servers Location

alcula.com desktop page speed rank

Last tested: 2016-11-18


Desktop Speed Medium
82/100

alcula.com Desktop Speed Test Quick Summary


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

Your page has 2 blocking script resources and 3 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js

Use asynchronous versions of the following scripts:

http://www.google-analytics.com/urchin.js

Optimize CSS Delivery of the following:

http://www.alcula.com/styles/alcula_v2.css
http://www.alcula.com/styles/three_col.css
http://www.alcula.com/styles/nav_style.css

priority - 7Leverage 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://csm2waycm-atl.netmng.com/cm/ (expiration not specified)
http://lijit2waycm.netmng.com/blank.gif (expiration not specified)
http://pr-bh.ybp.yahoo.com/sync/casale/WC9JwblQJ3QAAHjUGFwAAAEUBJkAAAAB (expiration not specified)
http://www.alcula.com/images/alculaLogo45.png (expiration not specified)
http://www.alcula.com/images/newHeaderBackground.png (expiration not specified)
http://www.alcula.com/images/scientificcalculatorsmoke.jpg (expiration not specified)
http://www.alcula.com/styles/alcula_v2.css (expiration not specified)
http://www.alcula.com/styles/nav_style.css (expiration not specified)
http://www.alcula.com/styles/three_col.css (expiration not specified)
https://sync.sharethis.com/arbor (expiration not specified)
https://www.googletagservices.com/tag/js/gpt.js (15 minutes)
http://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
http://pagead2.googlesyndication.com/pagead/show_ads.js (60 minutes)
https://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)

priority - 2Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 65% of the final above-the-fold content could be rendered with the full HTML response.

priority - 2Enable 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 18.8KiB (66% reduction).

Compressing http://www.alcula.com/ could save 6.2KiB (62% reduction).
Compressing http://www.alcula.com/styles/alcula_v2.css could save 3.6KiB (72% reduction).
Compressing http://image6.pubmatic.com/AdServer/PugMaster?rnd=…ug=1&coppa=0&kdntuid=1 could save 1.9KiB (73% reduction).
Compressing http://pippio.com/api/sync?pid=1286&it=1&iv=e35278…47381ebf1cc3548e9741fc could save 1.5KiB (66% reduction).
Compressing http://ssum.casalemedia.com/usermatch?s=178636&cb=…e%3Fpid%3D18%263pid%3D could save 1.2KiB (69% reduction).
Compressing http://ssum.casalemedia.com/usermatch?s=183884&cb=…pid%3D55%263pid%3D&C=1 could save 1.1KiB (71% reduction).
Compressing http://pixel.mathtag.com/sync/js?sync=auto could save 894B (57% reduction).
Compressing http://pixel.mathtag.com/sync/js?sync=auto&mm_bnc&mm_bct could save 894B (57% reduction).
Compressing http://ssum.casalemedia.com/usermatch?s=183884&cb=…e%3fpid%3d55%263pid%3d could save 846B (62% reduction).
Compressing http://www.alcula.com/styles/nav_style.css could save 825B (62% reduction).

priority - 1Optimize images

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

Optimize the following images to reduce their size by 5.7KiB (20% reduction).

Compressing https://tpc.googlesyndication.com/simgad/3606427357832647234 could save 3.8KiB (15% reduction).
Compressing http://www.alcula.com/images/alculaLogo45.png could save 1.2KiB (39% reduction).
Compressing http://www.alcula.com/images/newHeaderBackground.png could save 774B (78% reduction).

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 975B (15% reduction).

Minifying http://www.google-analytics.com/urchin.js could save 975B (15% reduction) after compression.

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 857B (17% reduction).

Minifying http://www.alcula.com/styles/alcula_v2.css could save 857B (17% reduction).

alcula.com Desktop Resource Breakdown

Total Resources221
Number of Hosts79
Static Resources22
JavaScript Resources28
CSS Resources3

alcula.com mobile page speed rank

Last tested: 2018-01-18


Mobile Speed Medium
72/100

alcula.com Mobile Speed Test Quick Summary


priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking script resources and 2 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js

Optimize CSS Delivery of the following:

http://www.alcula.com/styles/reset.css
http://www.alcula.com/styles/alcula_resp.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:

http://www.alcula.com/images/alculaLogo45.png (expiration not specified)
http://www.alcula.com/images/newHeaderBackground.png (expiration not specified)
http://www.alcula.com/styles/alcula_resp.css (expiration not specified)
http://www.alcula.com/styles/reset.css (expiration not specified)
https://www.googletagservices.com/tag/js/gpt.js (15 minutes)
http://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)

priority - 1Optimize images

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

Optimize the following images to reduce their size by 13.8KiB (60% reduction).

Compressing https://tpc.googlesyndication.com/simgad/12125593771194711425 could save 12.7KiB (67% reduction).
Compressing http://www.alcula.com/images/newHeaderBackground.png could save 791B (80% reduction).
Compressing http://www.alcula.com/images/alculaLogo45.png could save 364B (12% reduction).

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 9.4KiB (63% reduction).

Compressing http://www.alcula.com/ could save 5.1KiB (61% reduction).
Compressing http://www.alcula.com/styles/alcula_resp.css could save 3.8KiB (71% reduction).
Compressing http://www.alcula.com/styles/reset.css could save 482B (44% 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 1.2KiB (20% reduction).

Minifying http://www.alcula.com/styles/alcula_resp.css could save 1KiB (20% reduction).
Minifying http://www.alcula.com/styles/reset.css could save 231B (21% reduction).

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 975B (15% reduction).

Minifying http://www.google-analytics.com/urchin.js could save 975B (15% reduction) after compression.

alcula.com Mobile Resource Breakdown

Total Resources30
Number of Hosts12
Static Resources17
JavaScript Resources14
CSS Resources2

alcula.com mobile page usability

Last tested: 2018-01-18


Mobile Usability Good
93/100

alcula.com Mobile Usability Test Quick Summary


priority - 3Size 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="/blog">Blog</a> and 6 others are close to other tap targets.

priority - 3Size content to viewport

The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.

The page content is 413 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:

The element <div id="div-gpt-ad-1512210116446-0"></div> falls outside the viewport.

alcula.com HTML validation

Errors

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

Line: 1 Column: 1 - 121
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html..."

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

Line: 4 Column: 2 - 74
"...<head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"/> <tit..."

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: 4 Column: 2 - 74
"...<head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"/> <tit..."

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

Line: 8 Column: 1 - 141
"...Abaci"/> <meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.classify.org/safesurf/" L gen true for "http://www.alcula.com" r (SS~~000 1))'/> <link..."

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

Line: 10 Column: 1 - 296
"...abels" /> <meta http-equiv="pics-Label" content='(pics-1.1 "http://www.icra.org/pics/vocabularyv03/" l gen true for "http://alcula.com" r (n 0 s 0 v 0 l 0 oa 0 ob 0 oc 0 od 0 oe 0 of 0 og 0 oh 0 c 0) gen true for "http://www.alcula.com" r (n 0 s 0 v 0 l 0 oa 0 ob 0 oc 0 od 0 oe 0 of 0 og 0 oh 0 c 0))' /> <meta..."

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

Line: 56 Column: 131 - 138
"...und.png)"><nowrap> <div ..."

Duplicate attribute “style”.

Line: 59 Column: - 136
"...go45.png" style="vertical-alig..."

Stray end tag “img”.

Line: 59 Column: 221 - 226
"...height=45></img></li> ..."

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

Line: 77 Column: 1 - 8
"...e...</h2> <center><!-- /..." Line: 123 Column: 1 - 8
"...> <br /> <center> <tabl..."

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

Line: 124 Column: 1 - 25
"... <center> <table bgcolor="#ffffff"> <tr> ..."

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alcula.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.


alcula.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.