2 sec in total
284 ms
1.5 sec
252 ms
Click here to check amazing Nsidc content for United States. Otherwise, check out these important facts you probably never knew about nsidc.org
Visit nsidc.orgWe 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.
nsidc.org performance score
name
value
score
weighting
Value7.2 s
1/100
10%
Value11.1 s
0/100
25%
Value9.5 s
12/100
10%
Value840 ms
34/100
30%
Value0
100/100
15%
Value24.4 s
0/100
10%
284 ms
89 ms
184 ms
252 ms
290 ms
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.
Page size can be reduced by 418.9 kB (29%)
1.5 MB
1.0 MB
In fact, the total size of Nsidc.org main page is 1.5 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. 40% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.
Potential reduce by 49.9 kB
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.
Potential reduce by 101.0 kB
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.
Potential reduce by 174.2 kB
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 174.2 kB or 78% of the original size.
Potential reduce by 93.7 kB
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.
Number of requests can be reduced by 26 (33%)
80
54
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.
nsidc.org
284 ms
css
89 ms
nsidc-header-2014.css
184 ms
css_7CYF9En6DNp6AojfSKnT8USKR3GvzPwznmTqLTKT9VM.css
252 ms
css__LeQxW73LSYscb1O__H6f-j_jdAzhZBaesGL19KEB6U.css
290 ms
css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css
259 ms
css_NttinGLx3Mu9y2CASzthVrw5MgI_t9-peZIsUyyIhlg.css
279 ms
css_0-lOuBjeA4BlyxHDQGga9ilGNZm_fM5nIO3RW1kcKS0.css
273 ms
css_BxYzeytfcNL5yqBmaTXsn1fcvdWHrb37ec6PZOBezf4.css
280 ms
css_9oZkUPvzf0lVM7_ghh2nVPx8sQh-mi1q1D62P24ierU.css
491 ms
css_7PXNLF2XkEOsoBiB3t5fVsPUZthAjrx3mBHxtPXxXww.css
329 ms
css_Lc98MCD6F01iN3BgdaDqGHqDcWX9MZmzmfqyEfWObJk.css
301 ms
css_Po0ynBwjGS-qIIUhOE58t0s3lnoEOuEZ5eHuGBe6BTM.css
313 ms
jquery.fancybox.css
114 ms
jquery.min.js
53 ms
js_3TykeRWpejhD4-J3vdlaNXdULg9xhOZhbsppK0o2bUs.js
349 ms
jquery-ui.min.js
75 ms
js_obFUyTbqtcoGQtszVI46l1_oD927PzlDtlr_ilpYBqE.js
349 ms
js_TGt4Bz2WQNO2l8-kQRpmF_J7K3WB-qqhpTEDuzSnHec.js
356 ms
js_OVjogFd7M43eUxJPZt8EVrE24y9DBFStdVjeZmmAT9o.js
555 ms
js_4xmh33HvKiHuD_Z_g6aJQ1cybQut-enfKOnbTLSlqjQ.js
364 ms
functionOnload.js
95 ms
nsidc-nav.js
142 ms
jquery.selectBoxIt.min.js
45 ms
buildModalDiv.js
106 ms
jquery-background.js
106 ms
ntpagetag.js
117 ms
brand
48 ms
jquery.fancybox.js
188 ms
brand
128 ms
zenbox.js
147 ms
ntpagetag.gif
89 ms
analytics.js
45 ms
nsidc_logo.svg
277 ms
home-icon.png
53 ms
researcher-100.jpg
50 ms
asina-100.jpg
139 ms
publications-100.jpg
141 ms
informatics-100.jpg
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research-group-100.jpg
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0508_cold_thumb.jpg
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facebook-25px.png
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twitter-25px.png
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rss-25px.png
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icon-icelights.jpg
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close_pop.png
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search-select-arrow.png
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search-icon.png
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seaIce0807_thumb.jpg
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logo_nasa_42x35.svg
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air-temp.png
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2012_sunsolar_100.jpg
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home-feature1.jpg
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home-feature-smap.png
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home-feature7.jpg
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home-feature2.jpg
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home-feature-smap.png
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home-feature7.jpg
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home-feature6.jpg
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home-feature4.jpg
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capedis_tedtower.jpg
328 ms
pattern.png
305 ms
stockje1894081101_1.jpg
307 ms
zenbox.css
54 ms
recovery_moa_label.png
305 ms
gAAAAFWirDEAAA=
18 ms
collect
24 ms
logo.jpg
316 ms
facebook16x16.png
184 ms
close_big.png
27 ms
loading.html
57 ms
glossary-fancybox-options.js
101 ms
twitter16x16.png
97 ms
logo_nsidc_46x36.svg
144 ms
wds_reverse-79.png
141 ms
cires_reverse-78.png
142 ms
cu-navyBkg.png
144 ms
bkg7.jpg
243 ms
load_large.gif
27 ms
css_0UUUshu887pM6rfdIqG07tR3sfWDMTvRQ-Apsz0QYb0.css
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css_KlCXulmJN3ReZriLWVxlKBkhCr_cCndEP5NJ5hHb9KQ.css
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css_9h1cu-GrDaTSe-zi3G5q6Ak3anHgxjUfiNs9DOzYbyc.css
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modal_bg_trans.png
48 ms
nsidc.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Links do not have a discernible name
nsidc.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
nsidc.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
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.
nsidc.org
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: