NSIDC.ORG National Snow and Ice Data Center |


nsidc.org website information.

nsidc.org domain name is registered by .ORG top-level domain registry. See the other sites registred in .ORG domain zone.

Following name servers are specified for nsidc.org domain:

  • ns3.p25.dynect.net
  • ns4.p25.dynect.net
  • ns1.p25.dynect.net
  • ns2.p25.dynect.net

and probably website nsidc.org is hosted by AKAMAI-AS - Akamai Technologies, Inc., US web hosting company. Check the complete list of other most popular websites hosted by AKAMAI-AS - Akamai Technologies, Inc., US hosting company.

According to Alexa traffic rank the highest website nsidc.org position was 7191 (in the world). The lowest Alexa rank position was 7439. Now website nsidc.org ranked in Alexa database as number 7366 (in the world).

Website nsidc.org Desktop speed measurement score (27/100) is better than the results of 6.92% of other sites shows that the page desktop performance can be improved.

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

Mobile speed measurement score of nsidc.org (22/100) is better than the results of 5.33% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

Weekly Rank Report

DateRankChange
May-07-2024 7,36645
May-06-2024 7,411-51
May-05-2024 7,3605
May-04-2024 7,36574
May-03-2024 7,439-1
May-02-2024 7,438-86
May-01-2024 7,35262

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nsidc.org Rank History

Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.



nsidc.org whois

WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.


Domain Name: NSIDC.ORG
Registry Domain ID: D20667256-LROR
Registrar WHOIS Server: whois.name.com
Registrar URL: http://www.newfrontier.domains
Updated Date: 2019-12-19T20:56:13Z
Creation Date: 2000-02-25T05:18:29Z
Registry Expiry Date: 2023-02-25T05:18:29Z
Registrar Registration Expiration Date:
Registrar: Name106, Inc.
Registrar IANA ID: 1040
Registrar Abuse Contact Email: abuse@name.com
Registrar Abuse Contact Phone: +1.7203101849
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: Domain Protection Services, Inc.
Registrant State/Province: CO
Registrant Country: US
Name Server: NS3.P25.DYNECT.NET
Name Server: NS1.P25.DYNECT.NET
Name Server: NS2.P25.DYNECT.NET
Name Server: NS4.P25.DYNECT.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2021-05-03T07:12:18Z

nsidc.org server information

Servers Location

IP Address
128.138.135.43
Region
Colorado
City
Boulder

nsidc.org desktop page speed rank

Last tested: 2017-06-07


Desktop Speed Bad
27/100

nsidc.org Desktop Speed Test Quick Summary


priority - 198 Enable 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 1.9MiB (73% reduction).

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priority - 37 Leverage 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://nsidc.org/css/nsidc-header-2014.css (expiration not specified)
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https://assets.zendesk.com/embeddable_framework/main.js (60 seconds)
http://www.google-analytics.com/analytics.js (2 hours)

priority - 19 Optimize images

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

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Compressing http://nsidc.org/sites/nsidc.org/files/submarine_retreat.jpg could save 23.9KiB (14% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/cryo…es/0508_cold_thumb.jpg could save 12.7KiB (86% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/eloka.jpg could save 12.1KiB (16% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/photo-gallery.jpg could save 11.6KiB (12% reduction).
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priority - 10 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 16 blocking script resources and 12 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js
http://nsidc.org/sites/nsidc.org/files/js/js_3Tyke…Lg9xhOZhbsppK0o2bUs.js
http://ajax.googleapis.com/ajax/libs/jqueryui/1.10.2/jquery-ui.min.js
http://nsidc.org/sites/nsidc.org/files/js/js_obFUy…D927PzlDtlr_ilpYBqE.js
http://nsidc.org/sites/nsidc.org/files/js/js_TGt4B…K3WB-qqhpTEDuzSnHec.js
http://nsidc.org/sites/nsidc.org/files/js/js_p5Ol6…y5DxX_wtT9LgoSPwWrY.js
http://nsidc.org/sites/nsidc.org/files/js/js_4xmh3…bQut-enfKOnbTLSlqjQ.js
http://nsidc.org/sites/nsidc.org/files/cpn/36843.js?oqvwyg
http://nsidc.org/scripts/global/functionOnload.js
http://nsidc.org/scripts/nsidc-nav.js
https://cdnjs.cloudflare.com/ajax/libs/jquery.sele…ery.selectBoxIt.min.js
http://nsidc.org/scripts/global/buildModalDiv.js
http://nsidc.org/scripts/global/jquery-background.js
http://nsidc.org/scripts/ntpagetag.js
https://www.google.com/cse/brand?form=cref
http://nsidc.org/scripts/jquery/plugins/jquery.fancybox.js

Optimize CSS Delivery of the following:

https://fonts.googleapis.com/css?family=Open+Sans:…00,400italic,600italic
http://nsidc.org/css/nsidc-header-2014.css
http://nsidc.org/sites/nsidc.org/files/css/css_7CY…3GvzPwznmTqLTKT9VM.css
http://nsidc.org/sites/nsidc.org/files/css/css__Le…dAzhZBaesGL19KEB6U.css
http://nsidc.org/sites/nsidc.org/files/css/css_vZ_…sZMJa-14jShHgRoRNo.css
http://nsidc.org/sites/nsidc.org/files/css/css_Ntt…gI_t9-peZIsUyyIhlg.css
http://nsidc.org/sites/nsidc.org/files/css/css_Rwm…D-N7FVnewlDNE9IFow.css
http://nsidc.org/sites/nsidc.org/files/css/css_3NE…-bMkAIZLhk00ZgZq8U.css
http://nsidc.org/sites/nsidc.org/files/css/css_bUJ…yyTyL9AHAONMa03m5Y.css
http://nsidc.org/sites/nsidc.org/files/css/css_T10…QIMWXA4xCnG9mmOYWU.css
http://nsidc.org/sites/nsidc.org/files/css/css_0UU…fWDMTvRQ-Apsz0QYb0.css
http://nsidc.org/scripts/jquery/plugins/jquery.fancybox.css

priority - 6 Minify 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 62.3KiB (40% reduction).

Minifying http://nsidc.org/sites/nsidc.org/files/js/js_p5Ol6…y5DxX_wtT9LgoSPwWrY.js could save 24.8KiB (36% reduction).
Minifying http://nsidc.org/scripts/jquery/plugins/jquery.fancybox.js could save 14.3KiB (35% reduction).
Minifying http://nsidc.org/sites/nsidc.org/files/js/js_3Tyke…Lg9xhOZhbsppK0o2bUs.js could save 13.5KiB (69% reduction).
Minifying http://nsidc.org/sites/nsidc.org/files/js/js_obFUy…D927PzlDtlr_ilpYBqE.js could save 7.3KiB (38% reduction).
Minifying http://nsidc.org/scripts/nsidc-nav.js could save 1.1KiB (24% reduction).
Minifying http://nsidc.org/scripts/global/buildModalDiv.js could save 811B (29% reduction).
Minifying http://nsidc.org/sites/nsidc.org/files/js/js_TGt4B…K3WB-qqhpTEDuzSnHec.js could save 523B (26% reduction).

priority - 4 Prioritize 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 34% of the final above-the-fold content could be rendered with the full HTML response.

priority - 1 Minify 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 7.4KiB (15% reduction).

Minifying http://nsidc.org/ could save 7.4KiB (15% reduction).

priority - 0 Minify 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 3.3KiB (17% reduction).

Minifying http://nsidc.org/css/nsidc-header-2014.css could save 2.7KiB (17% reduction).
Minifying http://nsidc.org/scripts/jquery/plugins/jquery.fancybox.css could save 667B (18% reduction).

nsidc.org Desktop Resources

Total Resources93
Number of Hosts12
Static Resources80
JavaScript Resources21
CSS Resources16

nsidc.org Desktop Resource Breakdown

nsidc.org mobile page speed rank

Last tested: 2017-05-27


Mobile Speed Bad
22/100

nsidc.org Mobile Speed Test Quick Summary


priority - 196 Enable 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 1.9MiB (73% reduction).

Compressing http://nsidc.org/sites/nsidc.org/files/images/home…s/nsf-logo-shading.svg could save 1MiB (72% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/logo…es-navy-background.svg could save 478.4KiB (84% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/logos/icsu-wds-navy-bk.svg could save 56.8KiB (64% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/js/js_p5Ol6…y5DxX_wtT9LgoSPwWrY.js could save 52.9KiB (75% reduction).
Compressing http://nsidc.org/ could save 38.6KiB (75% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/css/css_bUJ…yyTyL9AHAONMa03m5Y.css could save 37KiB (42% reduction).
Compressing http://nsidc.org/scripts/jquery/plugins/jquery.fancybox.js could save 29.5KiB (71% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home…s-white-background.svg could save 27.9KiB (65% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home…or-logos/noaa-logo.svg could save 24.7KiB (54% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/css/css_Rwm…D-N7FVnewlDNE9IFow.css could save 17.9KiB (77% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/js/js_obFUy…D927PzlDtlr_ilpYBqE.js could save 16.6KiB (85% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/js/js_3Tyke…Lg9xhOZhbsppK0o2bUs.js could save 12.9KiB (66% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/css/css__Le…dAzhZBaesGL19KEB6U.css could save 12.5KiB (83% reduction).
Compressing http://nsidc.org/css/nsidc-header-2014.css could save 12.1KiB (74% reduction).
Compressing http://nsidc.org/images/logo_nsidc_46x36.svg could save 7KiB (63% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/logos/cu-white-text.svg could save 5.9KiB (64% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/css/css_Ntt…gI_t9-peZIsUyyIhlg.css could save 5.9KiB (75% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home…-logos/cu-centered.svg could save 5.6KiB (62% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home…r-logos/nasa-color.svg could save 4.7KiB (65% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/css/css_3NE…-bMkAIZLhk00ZgZq8U.css could save 4.6KiB (73% reduction).
Compressing http://nsidc.org/scripts/ntpagetag.js could save 4.1KiB (63% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/css/css_KlC…r_cCndEP5NJ5hHb9KQ.css could save 3.4KiB (75% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/css/css_0UU…fWDMTvRQ-Apsz0QYb0.css could save 3.2KiB (77% reduction).
Compressing http://nsidc.org/scripts/nsidc-nav.js could save 2.9KiB (63% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/css/css_7CY…3GvzPwznmTqLTKT9VM.css could save 2.9KiB (68% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/css/css_Lc9…WX9MZmzmfqyEfWObJk.css could save 2.9KiB (77% reduction).
Compressing http://nsidc.org/scripts/jquery/plugins/jquery.fancybox.css could save 2.6KiB (68% reduction).
Compressing http://nsidc.org/scripts/global/buildModalDiv.js could save 1.9KiB (66% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/css/css_T10…QIMWXA4xCnG9mmOYWU.css could save 1.4KiB (68% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/css/css_9h1…nHgxjUfiNs9DOzYbyc.css could save 1.4KiB (63% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/js/js_TGt4B…K3WB-qqhpTEDuzSnHec.js could save 1.1KiB (55% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/css/css_WOU…u8zpL0Iq4Xgd0Bk294.css could save 752B (52% reduction).

priority - 55 Leverage 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://nsidc.org/css/nsidc-header-2014.css (expiration not specified)
http://nsidc.org/images/bkg/bkg11.jpg (expiration not specified)
http://nsidc.org/images/close_pop.png (expiration not specified)
http://nsidc.org/images/global/modal_bg_trans.png (expiration not specified)
http://nsidc.org/images/home/search-select-arrow.png (expiration not specified)
http://nsidc.org/images/logo_nsidc_46x36.svg (expiration not specified)
http://nsidc.org/images/nsidc-id-264.png (expiration not specified)
http://nsidc.org/images/social-media/facebook16x16.png (expiration not specified)
http://nsidc.org/images/social-media/twitter16x16.png (expiration not specified)
http://nsidc.org/scripts/global/buildModalDiv.js (expiration not specified)
http://nsidc.org/scripts/global/functionOnload.js (expiration not specified)
http://nsidc.org/scripts/global/jquery-background.js (expiration not specified)
http://nsidc.org/scripts/jquery/plugins/jquery.fancybox.css (expiration not specified)
http://nsidc.org/scripts/jquery/plugins/jquery.fancybox.js (expiration not specified)
http://nsidc.org/scripts/nsidc-nav.js (expiration not specified)
http://nsidc.org/scripts/ntpagetag.js (expiration not specified)
http://nsidc.org/sites/all/themes/nsidc_corporatec…es/mobile-nav-icon.png (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/ASINA-Home-Page_white_black.png (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/css/css_0UU…fWDMTvRQ-Apsz0QYb0.css (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/css/css_3NE…-bMkAIZLhk00ZgZq8U.css (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/css/css_7CY…3GvzPwznmTqLTKT9VM.css (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/css/css_9h1…nHgxjUfiNs9DOzYbyc.css (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/css/css_KlC…r_cCndEP5NJ5hHb9KQ.css (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/css/css_Lc9…WX9MZmzmfqyEfWObJk.css (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/css/css_Ntt…gI_t9-peZIsUyyIhlg.css (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/css/css_Rwm…D-N7FVnewlDNE9IFow.css (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/css/css_T10…QIMWXA4xCnG9mmOYWU.css (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/css/css_WOU…u8zpL0Iq4Xgd0Bk294.css (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/css/css__Le…dAzhZBaesGL19KEB6U.css (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/css/css_bUJ…yyTyL9AHAONMa03m5Y.css (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/css/css_vZ_…sZMJa-14jShHgRoRNo.css (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/eloka.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/about/asina-100.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/about/informatics-100.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/about/publications-100.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/about/research-group-100.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/about/researcher-100.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/cryo…es/0508_cold_thumb.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home/features/asina-thumb.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home…s/cryosphere-thumb.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home/features/daac-thumb.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home/features/eloka-thumb.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home…es/greenland-today.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home/features/soac-thumb.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home/glaciers.png (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home/ice-sheets.png (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home/ice-shelves.png (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home/permafrost.png (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home/sea-ice.png (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home/search.png (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home/snow.png (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home/soil-moisture.png (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home…s-white-background.svg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home…-logos/cu-centered.svg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home…r-logos/nasa-color.svg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home…or-logos/noaa-logo.svg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/home…s/nsf-logo-shading.svg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/logo…es-navy-background.svg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/logos/cu-white-text.svg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/logos/icsu-wds-navy-bk.svg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/news/facebook-25px.png (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/news/icon-icelights.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/news/rss-25px.png (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/images/news/twitter-25px.png (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/js/js_3Tyke…Lg9xhOZhbsppK0o2bUs.js (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/js/js_4xmh3…bQut-enfKOnbTLSlqjQ.js (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/js/js_TGt4B…K3WB-qqhpTEDuzSnHec.js (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/js/js_obFUy…D927PzlDtlr_ilpYBqE.js (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/js/js_p5Ol6…y5DxX_wtT9LgoSPwWrY.js (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/photo-gallery.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/smap.jpg (expiration not specified)
http://nsidc.org/sites/nsidc.org/files/submarine_retreat.jpg (expiration not specified)
https://assets.zendesk.com/embeddable_framework/main.js (60 seconds)
http://www.google-analytics.com/analytics.js (2 hours)

priority - 40 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 16 blocking script resources and 12 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js
http://nsidc.org/sites/nsidc.org/files/js/js_3Tyke…Lg9xhOZhbsppK0o2bUs.js
http://ajax.googleapis.com/ajax/libs/jqueryui/1.10.2/jquery-ui.min.js
http://nsidc.org/sites/nsidc.org/files/js/js_obFUy…D927PzlDtlr_ilpYBqE.js
http://nsidc.org/sites/nsidc.org/files/js/js_TGt4B…K3WB-qqhpTEDuzSnHec.js
http://nsidc.org/sites/nsidc.org/files/js/js_p5Ol6…y5DxX_wtT9LgoSPwWrY.js
http://nsidc.org/sites/nsidc.org/files/js/js_4xmh3…bQut-enfKOnbTLSlqjQ.js
http://nsidc.org/sites/nsidc.org/files/cpn/36843.js?oqgx0c
http://nsidc.org/scripts/global/functionOnload.js
http://nsidc.org/scripts/nsidc-nav.js
https://cdnjs.cloudflare.com/ajax/libs/jquery.sele…ery.selectBoxIt.min.js
http://nsidc.org/scripts/global/buildModalDiv.js
http://nsidc.org/scripts/global/jquery-background.js
http://nsidc.org/scripts/ntpagetag.js
https://www.google.com/cse/brand?form=cref
http://nsidc.org/scripts/jquery/plugins/jquery.fancybox.js

Optimize CSS Delivery of the following:

https://fonts.googleapis.com/css?family=Open+Sans:…00,400italic,600italic
http://nsidc.org/css/nsidc-header-2014.css
http://nsidc.org/sites/nsidc.org/files/css/css_7CY…3GvzPwznmTqLTKT9VM.css
http://nsidc.org/sites/nsidc.org/files/css/css__Le…dAzhZBaesGL19KEB6U.css
http://nsidc.org/sites/nsidc.org/files/css/css_vZ_…sZMJa-14jShHgRoRNo.css
http://nsidc.org/sites/nsidc.org/files/css/css_Ntt…gI_t9-peZIsUyyIhlg.css
http://nsidc.org/sites/nsidc.org/files/css/css_Rwm…D-N7FVnewlDNE9IFow.css
http://nsidc.org/sites/nsidc.org/files/css/css_3NE…-bMkAIZLhk00ZgZq8U.css
http://nsidc.org/sites/nsidc.org/files/css/css_bUJ…yyTyL9AHAONMa03m5Y.css
http://nsidc.org/sites/nsidc.org/files/css/css_T10…QIMWXA4xCnG9mmOYWU.css
http://nsidc.org/sites/nsidc.org/files/css/css_9h1…nHgxjUfiNs9DOzYbyc.css
http://nsidc.org/scripts/jquery/plugins/jquery.fancybox.css

priority - 19 Optimize images

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

Optimize the following images to reduce their size by 182.9KiB (29% reduction).

Compressing http://nsidc.org/images/close_pop.png could save 47.7KiB (98% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/smap.jpg could save 28.5KiB (28% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/submarine_retreat.jpg could save 23.9KiB (14% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/cryo…es/0508_cold_thumb.jpg could save 12.7KiB (86% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/eloka.jpg could save 12.1KiB (16% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/photo-gallery.jpg could save 11.6KiB (12% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/about/asina-100.jpg could save 4.4KiB (51% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/about/research-group-100.jpg could save 3.1KiB (48% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/about/researcher-100.jpg could save 2.9KiB (54% reduction).
Compressing http://nsidc.org/images/social-media/twitter16x16.png could save 2.6KiB (83% reduction).
Compressing http://nsidc.org/images/social-media/facebook16x16.png could save 2.6KiB (82% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/about/publications-100.jpg could save 2.3KiB (33% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home/ice-sheets.png could save 2KiB (30% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home/features/asina-thumb.jpg could save 1.9KiB (31% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home/sea-ice.png could save 1.9KiB (40% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home/features/daac-thumb.jpg could save 1.6KiB (28% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home/snow.png could save 1.5KiB (37% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home/features/eloka-thumb.jpg could save 1.5KiB (28% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home/permafrost.png could save 1.5KiB (50% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home/features/soac-thumb.jpg could save 1.4KiB (30% reduction).
Compressing http://nsidc.org/images/nsidc-id-264.png could save 1.4KiB (29% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home…es/greenland-today.jpg could save 1.3KiB (24% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home/glaciers.png could save 1.3KiB (39% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home/search.png could save 1.2KiB (49% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/about/informatics-100.jpg could save 1.2KiB (26% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home/ice-shelves.png could save 1.1KiB (44% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/news/icon-icelights.jpg could save 1.1KiB (37% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home/soil-moisture.png could save 1KiB (50% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/home…s/cryosphere-thumb.jpg could save 1,010B (31% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/news/rss-25px.png could save 1,010B (56% reduction).
Compressing http://nsidc.org/sites/all/themes/nsidc_corporatec…es/mobile-nav-icon.png could save 900B (77% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/news/twitter-25px.png could save 898B (55% reduction).
Compressing http://nsidc.org/sites/nsidc.org/files/images/news/facebook-25px.png could save 896B (59% reduction).
Compressing http://nsidc.org/images/home/search-select-arrow.png could save 884B (83% reduction).

priority - 16 Prioritize 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 41% of the final above-the-fold content could be rendered with the full HTML response.

priority - 6 Minify 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 62.3KiB (40% reduction).

Minifying http://nsidc.org/sites/nsidc.org/files/js/js_p5Ol6…y5DxX_wtT9LgoSPwWrY.js could save 24.8KiB (36% reduction).
Minifying http://nsidc.org/scripts/jquery/plugins/jquery.fancybox.js could save 14.3KiB (35% reduction).
Minifying http://nsidc.org/sites/nsidc.org/files/js/js_3Tyke…Lg9xhOZhbsppK0o2bUs.js could save 13.5KiB (69% reduction).
Minifying http://nsidc.org/sites/nsidc.org/files/js/js_obFUy…D927PzlDtlr_ilpYBqE.js could save 7.3KiB (38% reduction).
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priority - 1 Minify HTML

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priority - 0 Minify CSS

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nsidc.org Mobile Resources

Total Resources92
Number of Hosts11
Static Resources79
JavaScript Resources21
CSS Resources16

nsidc.org Mobile Resource Breakdown

nsidc.org mobile page usability

Last tested: 2017-05-27


Mobile Usability Good
99/100

nsidc.org Mobile Usability Test Quick Summary


priority - 0 Size 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="#main-content" class="element-invisi…ment-focusable">Skip to main content</a> is close to 1 other tap targets.

The tap target <a href="https://www.facebook.com/NSIDC"></a> and 1 others are close to other tap targets.

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nsidc.org Ping

Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.


nsidc.org TRACEROUTE

Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.