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nsidc.org

https://nsidc.org· First analyzed 17 Feb 2026· Updated 17 Feb 2026
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nsidc.org

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Hosting Provider

IP Address

128.138.135.43

Server Location

🇺🇸 Lafayette, United States

ASN

AS104

Organization

University of Colorado

Server

Apache

Nameservers

ns1.p201.dns.oraclecloud.net.ns2.p201.dns.oraclecloud.net.ns3.p201.dns.oraclecloud.net.ns4.p201.dns.oraclecloud.net.

Performance

Page Speed

901 KB
64 requests

Image Optimization

Lazy LoadWebPResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Framework
jQuery
Styling
Bootstrap
CMS
Drupal
Infrastructure
Hosting
University of Colorado

Technology Stack

10 Technologies Detected

SEO Analysis

C64/100
10
3
1
N
nsidc.orgnsidc.org

Homepage | National Snow and Ice Data Center

No description available for this page.

Title Length44 chars

Recommended: 50-60 chars

Description Length0 chars

Recommended: 120-160 chars

Issues (1)

  • Missing meta description - important for click-through rates

Crawlability

Sitemap

Type: standard

8,340 URLs

robots.txt

58 rules

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Sponsored

D

Security Score

41%Poor
Interactive

HTTPS

No WAF

54d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

13.01.2026

Valid Until

13.04.2026

Subject Alternative Names (17)

eloka.nsidc.orgextranet.nsidc.orgigloo.nsidc.orginside.nsidc.orgintegration.eloka.nsidc.orgintegration.inside.nsidc.orgintegration.nsidc.orgk2.colorado.edu+9 more

SHA-256 Fingerprint

8E:C7:7F:1D:A0:2A:6B:E5:4D:00:D9:39:B5:08:D1:23:1F:90:31:FC...

Top Recommendations

Security recommendation preview

HTTP Headers

Developer Console

cache-control
🟡 900s(max-age=900, public)
connection
Keep-Alive
content-encoding
📦 Gzip(gzip)
content-security-policy-report-only
report-uri /report-csp-violation
content-type
text/html; charset=UTF-8
content-language
en
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

70

SPF
DKIM
DMARC

DMARC Policy

None (Monitor Only)

MX Records (2)

mx1-us1.ppe-hosted.com
mx2-us1.ppe-hosted.com

Domain Information

nsidc.org

Domain Age
25y 12m

Created

25.02.2000

Expires

25.02.2028

Last Updated

12.07.2023

Registrar

Name106, Inc.

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
Privacy policy page linked

Typography & Readability

Roboto

76/100
Readability
/30
32/40

16px · LH 1.88

Hierarchy
/20
21/25

2.5x ratio

WCAG
/25
15/15

Contrast: undefined

Performance
/25
13/20

1 font

Heading Font

Roboto

Sans40px

Body Font

Roboto

Sans16px

Contrast Ratio

--

Reading Comfort

~39 CPL

Needs attention
40px
h1
35px
h2
20px
h3
16px
p

✅ Excellent readability: 16px body text is ideal for all devices.

✅ Strong hierarchy: Headlines are 2.5x larger than body text.

✅ Good performance: Using 1 font families keeps load times fast.

✅ Smart font loading: Using font-display: swap prevents invisible text during load.

✅ Protected text on images: Using gradient for readability.

⚠️ Cramped layout: 23 elements lack adequate spacing.

Business & Marketing Stack

5 Tools Detected

Enterprise

Customer Support

1

Live chat and helpdesk tools

Behavior Analytics

4

User behavior and product analytics

2

Categories

5

Total Tools

1

Enterprise

1

Mid-Market

Assessment: Sophisticated marketing and sales technology infrastructure

Sponsored

Scripts & Styles

30 Resources

20
Scripts
10
Styles
7
Async
0
Defer

Top Script Sources

googletagmanager.com(7)local(4)dap.digitalgov.gov(4)static.addtoany.com(3)static.hotjar.com(1)

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Last analyzed: 17 Feb 2026 at 19:59

Historical Analysis & Change Tracking