Generated on April 22 2023 00:19 AM
Old data? UPDATE !
The score is 60/100
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 |
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 |
Keywords Cloud
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| nasa | 26 | ![]() |
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| data | 24 | ![]() |
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| datasets | 15 | ![]() |
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| datanasagov | 14 | ![]() |
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| site | 9 | ![]() |
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Url
Domain : data.nasa.gov
Length : 13
Favicon
Great, your website has a favicon.
Language
Good. Your declared language is en.
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
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Not great, your website is using inline styles. This is not optimal. |
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Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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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 Optimization
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Apple Icon |
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Meta Viewport Tag |
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
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).
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OAI-SearchBot | ChatGPT search | AI search |
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ChatGPT-User | ChatGPT (user requests) | AI search |
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Claude-SearchBot | Claude search | AI search |
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Claude-User | Claude (user requests) | AI search |
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PerplexityBot | Perplexity | AI search |
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GPTBot | OpenAI training | AI training |
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ClaudeBot | Anthropic training | AI training |
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Google-Extended | Google Gemini training | AI training |
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Applebot-Extended | Apple AI training | AI training |
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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.
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.
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Content-Security-Policy |
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X-Content-Type-Options |
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X-Frame-Options |
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Referrer-Policy |
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Permissions-Policy |
data.nasa.gov has no mail server (MX) records.
Hosting
| IPv4 address | 44.218.192.24, 3.224.44.122 |
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IPv6 support |
Email Security
This domain has no mail server (MX) records, so it doesn't receive email.
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SPF record |
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DMARC record |
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