NADCA.COM National Air Duct Cleaners Association (NADCA)

nadca.com Website Information

Daily Unique Visits: 15,013

Daily Page Views: 90,078

Income Per Day: $180

Estimated Value: $129,600

This website is located in United States and is using following IP address 162.242.211.114. See the complete list of popular websites hosted in United States.

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

Website nadca.com is using the following name servers:

  • ns89.worldnic.com
  • ns90.worldnic.com

and is probably hosted by RACKSPACE - Rackspace Hosting, US. See the full list of other websites hosted by RACKSPACE - Rackspace Hosting, US.

The highest website nadca.com position in Alexa rank database was 58240 and the lowest rank position was 998954. Current position of nadca.com in Alexa rank database is 95532.

Desktop speed score of nadca.com (31/100) is better than the results of 8.96% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of nadca.com (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.

Mobile speed score of nadca.com (38/100) is better than the results of 16.76% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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nadca.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.


nadca.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: NADCA.COM
Registry Domain ID: 361091_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2022-02-18T14:51:39Z
Creation Date: 1996-03-19T05:00:00Z
Registry Expiry Date: 2025-03-20T04:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: abuse@web.com
Registrar Abuse Contact Phone: +1.8003337680
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS89.WORLDNIC.COM
Name Server: NS90.WORLDNIC.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-04-12T01:33:04Z

nadca.com server information

Servers Location

nadca.com desktop page speed rank

Last tested: 2019-11-01


Desktop Speed Bad
31/100

nadca.com Desktop Speed Test Quick Summary


priority - 192Optimize images

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

Optimize the following images to reduce their size by 1.8MiB (62% reduction).

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priority - 21Enable compression

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Enable compression for the following resources to reduce their transfer size by 209.7KiB (72% reduction).

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priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 30 blocking script resources and 6 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://use.fontawesome.com/b487e5469a.js
https://use.typekit.net/mxa4xbn.js
https://nadca.com/misc/jquery-extend-3.4.0.js?v=1.10.2
https://nadca.com/misc/jquery.once.js?v=1.2
https://nadca.com/misc/drupal.js?q09br9
https://ajax.googleapis.com/ajax/libs/jqueryui/1.10.2/jquery-ui.min.js
https://nadca.com/sites/all/modules/contrib/views_…ews_slideshow.js?v=1.0
https://nadca.com/sites/all/libraries/chosen/chosen.jquery.min.js?v=1.1.0
https://cdn.jsdelivr.net/npm/bootstrap@3.4.0/dist/js/bootstrap.js
https://nadca.com/sites/all/modules/contrib/commen…mment_notify.js?q09br9
https://nadca.com/sites/all/modules/contrib/apache…chesolr_sort.js?q09br9
https://nadca.com/sites/all/modules/contrib/simpleads/simpleads.js?q09br9
https://nadca.com/sites/all/modules/contrib/extlink/extlink.js?q09br9
https://nadca.com/sites/all/modules/contrib/apache…ete_jqueryui.js?q09br9
https://nadca.com/sites/all/modules/features/marke…download_fix.js?q09br9
https://nadca.com/sites/all/libraries/owlcarousel2…carousel.min.js?q09br9
https://nadca.com/sites/all/modules/features/conte…usel_run.min.js?q09br9
https://nadca.com/sites/all/libraries/jquery.cycle…ry.cycle.all.js?q09br9
https://nadca.com/sites/all/modules/contrib/views_…deshow_cycle.js?q09br9
https://nadca.com/sites/all/libraries/ah_overlay/ah_overlay.min.js?q09br9
https://nadca.com/sites/all/modules/contrib/ctools/js/dependent.js?q09br9
https://nadca.com/sites/all/modules/features/direc…irectory.min.js?q09br9
https://nadca.com/sites/all/modules/contrib/google…gleanalytics.js?q09br9
https://nadca.com/sites/all/modules/custom/road_bl…s.cookie.min.js?q09br9
https://nadca.com/sites/all/modules/custom/road_bl…s/road_block.js?q09br9
https://nadca.com/sites/all/modules/contrib/chosen/chosen.js?v=1.1.0
https://nadca.com/sites/all/themes/nadca/js/menu/menu_copy_add.js?q09br9
https://nadca.com/sites/all/themes/nadca/js/session_helper.min.js?q09br9
https://nadca.com/sites/all/themes/nadca/js/fitvids.js?q09br9
https://nadca.com/sites/all/themes/nadca/js/video_wrap.js?q09br9

Optimize CSS Delivery of the following:

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priority - 8Minify 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 79.9KiB (43% reduction).

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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://v1.addthisedge.com/live/boost/ra-5798d1de0…_ate.track.config_resp (60 seconds)
https://s7.addthis.com/js/300/addthis_widget.js (10 minutes)
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https://www.google-analytics.com/analytics.js (2 hours)

nadca.com Desktop Resource Breakdown

Total Resources126
Number of Hosts26
Static Resources88
JavaScript Resources53
CSS Resources11

nadca.com mobile page speed rank

Last tested: 2017-05-22


Mobile Speed Bad
38/100

nadca.com Mobile Speed Test Quick Summary


priority - 90Optimize images

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

Optimize the following images to reduce their size by 880.2KiB (48% reduction).

Compressing https://nadca.com/sites/default/files/styles/homep…lide.jpg?itok=BHiBzOOq could save 265.6KiB (77% reduction).
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Compressing https://nadca.com/sites/default/files/styles/homep…mber.png?itok=br7pd8LB could save 123KiB (16% reduction).
Compressing https://nadca.com/sites/all/themes/nadca/img/industry-partners-bg.jpg could save 121.6KiB (76% reduction).
Compressing https://nadca.com/sites/all/themes/nadca/img/homeowners-bg.jpg could save 87.8KiB (72% reduction).
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Compressing https://nadca.com/sites/all/themes/nadca/img/mailing-list-bg.jpg could save 33.7KiB (71% reduction).
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priority - 80Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 10 blocking script resources and 9 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://use.fontawesome.com/b487e5469a.js
https://use.typekit.net/mxa4xbn.js
https://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js
https://nadca.com/sites/default/files/advagg_js/js…AdsqZ4TOQcTWBek9KHg.js
https://ajax.googleapis.com/ajax/libs/jqueryui/1.10.2/jquery-ui.min.js
https://nadca.com/sites/default/files/advagg_js/js…AdsqZ4TOQcTWBek9KHg.js
https://cdn.jsdelivr.net/bootstrap/3.0.2/js/bootstrap.min.js
https://nadca.com/sites/default/files/advagg_js/js…AdsqZ4TOQcTWBek9KHg.js
https://nadca.com/sites/default/files/advagg_js/js…AdsqZ4TOQcTWBek9KHg.js
https://translate.google.com/translate_a/element.j…eTranslateElementInit2

Optimize CSS Delivery of the following:

https://nadca.com/sites/default/files/advagg_css/c…dsqZ4TOQcTWBek9KHg.css
https://nadca.com/sites/default/files/advagg_css/c…dsqZ4TOQcTWBek9KHg.css
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https://nadca.com/sites/default/files/advagg_css/c…dsqZ4TOQcTWBek9KHg.css
https://cdn.jsdelivr.net/bootstrap/3.0.2/css/bootstrap.min.css
https://nadca.com/sites/default/files/advagg_css/c…dsqZ4TOQcTWBek9KHg.css
https://translate.googleapis.com/translate_static/css/translateelement.css

priority - 6Leverage 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://snap.licdn.com/li.lms-analytics/insight.min.js (expiration not specified)
https://m.addthisedge.com/live/boost/ra-5798d1de06…_ate.track.config_resp (60 seconds)
https://s7.addthis.com/js/300/addthis_widget.js (10 minutes)
https://use.typekit.net/mxa4xbn.js (10 minutes)
https://static.doubleclick.net/instream/ad_status.js (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://translate.googleapis.com/translate_static/css/translateelement.css (60 minutes)
https://translate.googleapis.com/translate_static/js/element/main.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 2Minify 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 17.7KiB (36% reduction).

Minifying https://nadca.com/sites/default/files/advagg_js/js…AdsqZ4TOQcTWBek9KHg.js could save 11.1KiB (30% reduction) after compression.
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nadca.com Mobile Resource Breakdown

Total Resources93
Number of Hosts26
Static Resources61
JavaScript Resources29
CSS Resources13

nadca.com mobile page usability

Last tested: 2017-05-22


Mobile Usability Good
99/100

nadca.com Mobile Usability Test Quick Summary


priority - 0Size 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="/commercial-consumers">Commercial Consumers</a> is close to 1 other tap targets.

The tap target <a href="https://nadca.…redirect/15114"></a> is close to 1 other tap targets.

nadca.com HTML validation

Errors

A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.

Line: 15 Column: 1 - 69
"...endif]--> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link..."

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

Line: 151 Column: 10 - 32
"... </script><style type="text/css"> <!-- ..."

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

Line: 300 Column: 42 - 235
"...ckground"><img typeof="foaf:Image" class="img-responsive" src="https://nadca.com/sites/default/files/styles/homepage_slider/public/professional_slider_final.png?itok=NH2O9ydK" width="1170" height="450" /></div>..." Line: 314 Column: 42 - 225
"...ckground"><img typeof="foaf:Image" class="img-responsive" src="https://nadca.com/sites/default/files/styles/homepage_slider/public/nadca-acr-slide.jpg?itok=BHiBzOOq" width="1170" height="450" /></div>..." Line: 628 Column: - 109
"......" Line: 691 Column: 14 - 89
"...iv></form><img id="nadca-loader" src="/sites/all/themes/nadca/img/nadca_loader.gif" /> ..."

Element “h2” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Line: 424 Column: 84 - 87
"...-content"><h2><i cla..." Line: 430 Column: 84 - 87
"...-content"><h2><i cla..." Line: 436 Column: 84 - 87
"...-content"><h2><i cla..." Line: 442 Column: 84 - 87
"...-content"><h2><i cla..." Line: 448 Column: 84 - 87
"...-content"><h2><i cla..." Line: 454 Column: 84 - 87
"...-content"><h2><i cla..." Line: 460 Column: 84 - 87
"...-content"><h2><i cla..." Line: 466 Column: 84 - 87
"...-content"><h2><i cla..." Line: 472 Column: 84 - 87
"...-content"><h2><i cla..." Line: 478 Column: 84 - 87
"...-content"><h2><i cla..."

Duplicate attribute “class”.

Line: 425 Column: - 298
"...orialDay" class="twitter-hasht..." Line: 431 Column: - 195
"...%23NADCA" class="twitter-hasht..." Line: 437 Column: - 223
"...Tech2018" class="twitter-hasht..." Line: 443 Column: - 298
"...%23NADCA" class="twitter-hasht..." Line: 449 Column: - 205
"...thersDay" class="twitter-hasht..." Line: 455 Column: - 219
"...%23NADCA" class="twitter-hasht..." Line: 473 Column: - 226
"...Tech2018" class="twitter-hasht..." Line: 479 Column: - 208
"...3NADCA18" class="twitter-hasht..."

End tag “p” seen, but there were open elements.

Line: 558 Column: 175 - 178
"...0525<span></p> ..."

Unclosed element “span”.

Line: 558 Column: 169 - 174
"...) 439-0525<span></p> ..." Line: 558 Column: 146 - 151
"...l;</span> <span>F: (85..."

End tag “a” violates nesting rules.

Line: 569 Column: 177 - 180
"...>LinkedIn</a></span>..." Line: 571 Column: 156 - 159
"...y">YouTube</a></span..." Line: 573 Column: 132 - 135
"...nly">Email</a></span..."

Stray end tag “span”.

Line: 569 Column: 181 - 187
"...kedIn</a></span></li> ..." Line: 571 Column: 160 - 166
"...ouTube</a></span></li> ..." Line: 573 Column: 136 - 142
"...>Email</a></span></li> ..."

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 605 Column: 53 - 171
"...mber?</h4><iframe width="560" height="315" src="https://www.youtube.com/embed/yyF6Mw2YoEo?rel=0" frameborder="0" allowfullscreen></ifra..."

Bad value “” for attribute “name” on element “button”: Must not be empty.

Line: 687 Column: 7 - 124
"...n"> <button type="submit" id="edit-submit-find-a-professional" name="" value="Search" class="btn btn-primary form-submit">Search..."

Stray end tag “div”.

Line: 761 Column: 1 - 6
"... </div> </div> <s..."

End tag for “body” seen, but there were unclosed elements.

Line: 763 Column: 319 - 325
"...}</script></body> </ht..."

Unclosed element “section”.

Line: 100 Column: 1 - 22
"... <section class="page"> <..."

Warnings

The “navigation” role is unnecessary for element “nav”.

Line: 181 Column: 17 - 39
"... <nav role="navigation"> ..."

Consider using the “h1” element as a top-level heading only (all “h1” elements are treated as top-level headings by many screen readers and other tools).

Line: 287 Column: 38 - 76
"..."> <h1 class="slider-title default-title">A Home..." Line: 294 Column: 38 - 76
"..."> <h1 class="slider-title default-title">NADCA ..." Line: 301 Column: 38 - 76
"..."> <h1 class="slider-title default-title">Find a..." Line: 308 Column: 38 - 76
"..."> <h1 class="slider-title default-title">Become..." Line: 315 Column: 38 - 76
"..."> <h1 class="slider-title default-title">ACR: T..."

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 331 Column: 9 - 38
"... <section class="home-wrapper"> ..." Line: 734 Column: 1 - 27
".../footer> <section class="sticky-ad"> ..."

This document appears to be written in English. Consider adding “lang="en"” (or variant) to the “html” start tag.

Line: 8 Column: 13 - 6
"...[endif]--> <head> <..."

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nadca.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.


nadca.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.