data.nasa.gov data.nasa.gov - The score is 60/100

Website Review: data.nasa.gov

 Generated on April 22 2023 00:19 AM

Old data? UPDATE !

The score is 60/100





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SEO Content

Title

NASA Open Data Portal

Length : 21

Your title's length should be between 40 and 70 characters. The optimal title length is between 50 to 70 chars. Rewrite the title tag to fit this range, or use our free meta tag generator.

Description

Design and build fast, accessible, mobile-friendly NASA websites backed by user research.

Length : 89

Your meta description tag's length should be between 90 and 160 characters (spaces included). A description tag of 155 to 160 characters is optimal. Our free meta tag generator counts the length for you.

Keywords

Not good (but low priority). We haven't found a meta keywords tag on your page. You can add a meta keywords tag to the page's <head> with our free meta tag generator.

Og Meta Properties

Good, your page takes advantage of Open Graph Properties. Open Graph properties can help with indexing.

Property Content
title NASA | Open Data | NASA Open Data Portal
description Design and build fast, accessible, mobile-friendly NASA websites backed by user research.
type article

Headings

H1 H2 H3 H4 H5 H6
0 10 10 4 0 0
  • [H2] Important
  • [H2] Want NASA data?
  • [H2] Know what you are looking for?
  • [H2] DATA.NASA.GOV: A catalog of publicly available NASA datasets
  • [H2] What type of data is available on Data.nasa.gov?
  • [H2] Open Dataset Resourses Tied to Data.nasa.gov
  • [H2] Open Innovation Sites
  • [H2] Other NASA Data Sites and Science Archives
  • [H2] NASA Tecnical Reports Server
  • [H2] Code and data from all US federal agencies
  • [H3] Do You Want to Upload New NASA Datasets?
  • [H3] There are thousands of public datasets on data.nasa.gov.
  • [H3] NASA datasets are available through a number of different websites, not just data.nasa.gov.
  • [H3] code.nasa.gov
  • [H3] api.nasa.gov
  • [H3] open.nasa.gov
  • [H3] data.nasa.gov (this site)
  • [H3] nasa.gov/open/data has a good overview of all the various science and mission data sites.
  • [H3]
  • [H3]
  • [H4] Open-Innovation Program
  • [H4] A few key links:
  • [H4] A few key links:
  • [H4] A few key links:

Images

We found 22 images on this web page.

1 image alt attributes were missing. Please add alt text to all images to help search engines better understand the content of your images.

Text/HTML Ratio

Ratio : 29%

Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.

Iframe

Awesome, there are no Iframes found on this page.

URL Rewrite

Good. Your links look SEO friendly and are easy to crawl!

Underscores in the URLs

We have detected underscores in your URLs. It would be better to use hyphens to optimize your SEO.

In-page links

We found a total of 21 links including 1 link(s) to files

Anchor Type Juice
README External Passing Juice
DATA.NASA.GOV Internal Passing Juice
About Internal Passing Juice
Developers Internal Passing Juice
Sign-In Internal Passing Juice
Go to the DATA CATALOG Internal Passing Juice
This slideshow External Passing Juice
these instructions External Passing Juice
SIGN-IN Internal Passing Juice
Take me to the visualization page Internal Passing Juice
code.nasa.gov External Passing Juice
api.nasa.gov External Passing Juice
open.nasa.gov External Passing Juice
nasa.gov/open/data External Passing Juice
Planetary Data System (PDS) External Passing Juice
Earth Observing System Data and Information System (EOSDIS) Internal Passing Juice
STI (Science & Technical Information) Program External Passing Juice
NRTS Search Page External Passing Juice
An "About" page that covers what type of content is covered by NRTS External Passing Juice
Code.gov External Passing Juice
Data.gov External Passing Juice
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SEO Keywords

Keywords Cloud

datasets      datanasagov      site      public      search      nasa      science      information      archives      data     

Keywords Consistency

Keyword Content Title Keywords Description Headings
nasa 26
data 24
datasets 15
datanasagov 14
site 9

Usability

Url

Domain : data.nasa.gov

Length : 13

Favicon

Great, your website has a favicon.

Language

Good. Your declared language is en.

Document

Doctype

HTML 5

Encoding

Great. Your declared charset is UTF-8.

Email Privacy

Warning! At least one email address has been found in plain text. Consider using an image or a form to hide email from spammers.

Deprecated HTML

Great! We haven't found deprecated HTML tags in your HTML.

Speed Tips

Not great, your website is using inline styles. This is not optimal.
Great, your website has few CSS files.
Perfect, your website has few JavaScript files.
This website does not take advantage of GZIP optimization. GZIP compression means your site loads faster for your visitors and improves the user's experience.

Mobile

Mobile Optimization

Apple Icon
Meta Viewport Tag
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Optimization

XML Sitemap

Great, your website has an XML sitemap.

https://s3.amazonaws.com/sa-socrata-sitemaps-us-east-1-fedramp-prod/sitemaps/sitemap-data.nasa.gov.xml

Robots.txt

http://data.nasa.gov/robots.txt

Great, your website has a robots.txt file.

Analytics

Missing

Unverified

AI Search Readiness

These checks were added after this site was analyzed, so they aren't part of its score yet. They will be from the next update.

AI Crawlers

AI search crawlers are allowed, so the site can be shown and cited in AI answers (ChatGPT, Claude, Perplexity).

OAI-SearchBot ChatGPT search AI search
ChatGPT-User ChatGPT (user requests) AI search
Claude-SearchBot Claude search AI search
Claude-User Claude (user requests) AI search
PerplexityBot Perplexity AI search
GPTBot OpenAI training AI training
ClaudeBot Anthropic training AI training
Google-Extended Google Gemini training AI training
Applebot-Extended Apple AI training AI training
CCBot Common Crawl AI training

Blocking AI training crawlers is a common choice and doesn't affect the score. Only the AI search crawlers count.

Structured Data

No schema.org structured data found. Adding it (for example Organization, WebSite or Product in JSON-LD) helps search engines and AI tools understand the page and can enable rich results.

Canonical Tag

No canonical tag found. Add <link rel="canonical"> so search engines know which URL is the main version and don't split ranking between duplicates.

llms.txt

No llms.txt file. It's an emerging convention: a short Markdown summary of the site for AI tools. Optional, so it doesn't affect the score.

Security

HTTPS

The site loads over HTTPS, so connections are encrypted. Browsers and search engines expect this.

HSTS

The site sends a Strict-Transport-Security header, so browsers always use HTTPS for it.

Security Headers

3 of 5 common security headers found. At least 2 are needed to pass.

Content-Security-Policy
X-Content-Type-Options
X-Frame-Options
Referrer-Policy
Permissions-Policy
Checked on 6 Oct 2026.

Domain Info

data.nasa.gov has no mail server (MX) records.

Hosting

IPv4 address 44.218.192.24, 3.224.44.122
IPv6 support

Email Security

This domain has no mail server (MX) records, so it doesn't receive email.

SPF record
DMARC record
Domain data checked on 12 Oct 2026. Sources: registry RDAP, public DNS, Internet Archive.

PageSpeed Insights


Device
Categories

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