Website Review: nasa.gov
Generated on February 04 2023 22:28 PM
Old data? UPDATE !
The score is 49/100
SEO Content
Title
NASA
Length : 4
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
NASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research.
Length : 174
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 | National Aeronautics and Space Administration |
| description | NASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research. |
| type | website |
| image | http://www.nasa.gov/sites/default/files/images/nasaLogo-570x450.png |
| url | http://www.nasa.gov/index.html |
| site_name | NASA |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 0 | 0 | 0 | 0 | 0 |
Images
We found 0 images on this web page.
Awesome, most or all of your images have alt attributes. This helps search engines understand the content of your images.
Text/HTML Ratio
Ratio : 2%
This page's ratio of text to HTML code is below 20 percent, this means that your website probably needs more text content in order to do well in search engines. Note: This may also result from a false reading due to your server blocking external scripts from accessing the home page.
Iframe
Not ideal - You have Iframes on the web page, this mean that content in an Iframe cannot be indexed.
SEO Links
URL Rewrite
Good. Your links look SEO friendly and are easy to crawl!
Underscores in the URLs
Great! No underscores found in your URLs.
In-page links
We found a total of 0 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|
SEO Keywords
Keywords Cloud
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| nasa | 1 |  |
 |
|
|
Usability
Url
Domain : nasa.gov
Length : 8
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
Great no email address was found in plain text!
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 |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://www.nasa.gov/sitemap.xml |
Robots.txt
http://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
The homepage describes itself with schema.org structured data, which helps search engines and AI tools understand it: Organization, WebSite, SearchAction, ImageObject, WebPage, Person, Article
Canonical Tag
The homepage has a canonical tag, which tells search engines which URL is the main version of the page.
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
1 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 |
|
Referrer-Policy |
|
Permissions-Policy |
Domain Info
nasa.gov was registered on 1 Oct 1997 with get.gov and expires on 31 Jul 2027. It accepts email and has both SPF and DMARC records.
Registration
| Registrar | get.gov |
| Registered | 1 Oct 1997 (29 years ago) |
| Expires | 31 Jul 2027 |
| Last changed | 14 Aug 2026 |
| Nameservers | a1-32.akam.net, a12-64.akam.net, a14-67.akam.net, a5-66.akam.net, a8-66.akam.net, a9-64.akam.net |
| DNSSEC | Signed |
Hosting
| IPv4 address | 192.0.66.108 |
|
IPv6 support |
Email Security
Mail servers: nasa-gov.mail.protection.outlook.com
|
SPF record |
|
DMARC record (policy: reject) |
PageSpeed Insights
Device
Categories
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