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nsidc.org: National Snow and Ice Data Center |

Page load speed analysis

  • 52/100

    Normal result
  • 3

    Successful tests
  • 5

    Failed tests
  • First response

    284 ms

  • Resources loaded

    1.5 sec

  • Page rendered

    252 ms

  • Total page load time

    2 sec

Click here to check amazing Nsidc content for Greenland. Otherwise, check out these important facts you probably never knew about nsidc.org

We analyzed Nsidc.org page load time and found that the first response time was 284 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Page optimization

  • HTML 62.2 kB
    Images 1.0 MB
    Javascripts 197.1 kB
    CSS 163.6 kB

    In fact, the total size of Nsidc.org main page is 1.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

    • Original 62.2 kB
    • After minification 54.9 kB
    • After compression 12.3 kB

    HTML optimization

    HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 7.4 kB, which is 12% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 49.9 kB or 80% of the original size.

    • Original 1.0 MB
    • After optimization 905.9 kB

    Image optimization

    Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Nsidc images are well optimized though.

    • Original 197.1 kB
    • After minification 136.7 kB
    • After compression 39.5 kB

    JavaScript optimization

    It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 157.6 kB or 80% of the original size.

    • Original 163.6 kB
    • After minification 156.9 kB
    • After compression 69.8 kB

    CSS optimization

    CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Nsidc.org needs all CSS files to be minified and compressed as it can save up to 93.7 kB or 57% of the original size.

Network requests diagram

  • nsidc.org
  • css
  • nsidc-header-2014.css
  • css_7CYF9En6DNp6AojfSKnT8USKR3GvzPwznmTqLTKT9VM.css
  • css__LeQxW73LSYscb1O__H6f-j_jdAzhZBaesGL19KEB6U.css
  • css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css
  • css_NttinGLx3Mu9y2CASzthVrw5MgI_t9-peZIsUyyIhlg.css
  • css_0-lOuBjeA4BlyxHDQGga9ilGNZm_fM5nIO3RW1kcKS0.css
  • css_BxYzeytfcNL5yqBmaTXsn1fcvdWHrb37ec6PZOBezf4.css
  • css_9oZkUPvzf0lVM7_ghh2nVPx8sQh-mi1q1D62P24ierU.css
  • css_7PXNLF2XkEOsoBiB3t5fVsPUZthAjrx3mBHxtPXxXww.css
  • css_Lc98MCD6F01iN3BgdaDqGHqDcWX9MZmzmfqyEfWObJk.css
  • css_Po0ynBwjGS-qIIUhOE58t0s3lnoEOuEZ5eHuGBe6BTM.css
  • jquery.fancybox.css
  • jquery.min.js
  • js_3TykeRWpejhD4-J3vdlaNXdULg9xhOZhbsppK0o2bUs.js
  • jquery-ui.min.js
  • js_obFUyTbqtcoGQtszVI46l1_oD927PzlDtlr_ilpYBqE.js
  • js_TGt4Bz2WQNO2l8-kQRpmF_J7K3WB-qqhpTEDuzSnHec.js
  • js_OVjogFd7M43eUxJPZt8EVrE24y9DBFStdVjeZmmAT9o.js
  • js_4xmh33HvKiHuD_Z_g6aJQ1cybQut-enfKOnbTLSlqjQ.js
  • functionOnload.js
  • nsidc-nav.js
  • jquery.selectBoxIt.min.js
  • buildModalDiv.js
  • jquery-background.js
  • ntpagetag.js
  • brand
  • jquery.fancybox.js
  • brand
  • zenbox.js
  • ntpagetag.gif
  • analytics.js
  • nsidc_logo.svg
  • home-icon.png
  • researcher-100.jpg
  • asina-100.jpg
  • publications-100.jpg
  • informatics-100.jpg
  • research-group-100.jpg
  • 0508_cold_thumb.jpg
  • facebook-25px.png
  • twitter-25px.png
  • rss-25px.png
  • icon-icelights.jpg
  • close_pop.png
  • search-select-arrow.png
  • search-icon.png
  • seaIce0807_thumb.jpg
  • logo_nasa_42x35.svg
  • air-temp.png
  • 2012_sunsolar_100.jpg
  • home-feature1.jpg
  • home-feature-smap.png
  • home-feature7.jpg
  • home-feature2.jpg
  • home-feature5.jpg
  • home-feature6.jpg
  • home-feature4.jpg
  • home-feature1.jpg
  • home-feature-smap.png
  • home-feature7.jpg
  • home-feature2.jpg
  • home-feature5.jpg
  • home-feature6.jpg
  • home-feature4.jpg
  • capedis_tedtower.jpg
  • pattern.png
  • stockje1894081101_1.jpg
  • zenbox.css
  • recovery_moa_label.png
  • gAAAAFWirDEAAA=
  • collect
  • logo.jpg
  • facebook16x16.png
  • close_big.png
  • loading.html
  • glossary-fancybox-options.js
  • twitter16x16.png
  • logo_nsidc_46x36.svg
  • wds_reverse-79.png
  • cires_reverse-78.png
  • cu-navyBkg.png
  • bkg7.jpg
  • load_large.gif
  • css_0UUUshu887pM6rfdIqG07tR3sfWDMTvRQ-Apsz0QYb0.css
  • css_KlCXulmJN3ReZriLWVxlKBkhCr_cCndEP5NJ5hHb9KQ.css
  • css_9h1cu-GrDaTSe-zi3G5q6Ak3anHgxjUfiNs9DOzYbyc.css
  • modal_bg_trans.png

Our browser made a total of 89 requests to load all elements on the main page. We found that 82% of them (73 requests) were addressed to the original Nsidc.org, 6% (5 requests) were made to Assets.zendesk.com and 2% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (555 ms) belongs to the original domain Nsidc.org.

Additional info on nsidc.org

Requests

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nsidc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

11

Javascripts

50

Images

17

CSS

2

AJAX

80

All

Possible request optimization

1

Javascripts

50

Images

1

CSS

2

AJAX

26

Optimized

54

All

Normal result

IP address

Nsidc.org uses IP address which is currently shared with 3 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

nsidc.org

glims.org

waisworkshop.org

eloka-arctic.org

128.138.135.43

DNS records

Type Host Target/ip TTL Other
A

nsidc.org

128.138.135.43 300
NS

nsidc.org

ns3.p25.dynect.net 82219
NS

nsidc.org

ns2.p25.dynect.net 82219
NS

nsidc.org

ns4.p25.dynect.net 82219
NS

nsidc.org

ns1.p25.dynect.net 82219

Language and encoding

Good result

Language

EN en language flag

Detected

EN en language flag

Claimed

Encoding

UTF-8

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nsidc.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Nsidc.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

HTTPS certificate

SSL Certificate

Nsidc.org has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Poor result

Visitor World Map

Country of origin for 47.1% of all visits is Greenland. It lies approximately 3090 miles away from the server location (United States) and such a long distance can negatively affect website speed, as it takes some time for data to travel back and forth between those places. That’s why one of the best ways to speed up Nsidc.org page load time for the majority of users is moving the server to Greenland or just closer to the user base.

Poor result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Nsidc. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

nsidc.org

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