Website Review: tsunami.gov
Generated on October 12 2026 00:45 AM
Old data? UPDATE !
The score is 39/100
SEO Content
Title
U.S. Tsunami Warning Centers
Length : 28
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
Length : 0
Very bad. We haven't found meta description tag on your page. A description tag helps you control what your listings look in search engine results. Add a meta description tag to the page's <head> (our free meta tag generator writes one 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
This page does not take advantage of Open Graph Properties. This tags allows social crawler's better structurize your page. Add og:title, og:description, og:image and og:url meta tags to the page's <head>, or create them with our free Open Graph generator.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 0 | 0 | 0 | 0 | 0 |
Images
We found 33 images on this web page.
6 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 : 8%
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
Awesome, there are no Iframes found on this page.
SEO Links
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 40 links including 9 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Jump to main content | Internal | Passing Juice |
| weather.gov | External | Passing Juice |
| Home | Internal | Passing Juice |
| News | External | Passing Juice |
| Organization | External | Passing Juice |
| Products/Messages | External | Passing Juice |
| Previous Messages | Internal | Passing Juice |
| Message Subscriptions | Internal | Passing Juice |
| Message Definitions | Internal | Passing Juice |
| Product List | Internal | Passing Juice |
| Atlantic | Internal | Passing Juice |
| Pacific | Internal | Passing Juice |
| CAP-TSU | Internal | Passing Juice |
| Tsunami Event XML (TEX) | Internal | Passing Juice |
| DART Systems | External | Passing Juice |
| NOAA Coastal Water-Level Stations | External | Passing Juice |
| IOC Sea Level Monitoring Facility | External | Passing Juice |
| Historical Tsunamis | External | Passing Juice |
| Recent Tsunamis | Internal | Passing Juice |
| Tsunami FAQ | Internal | Passing Juice |
| Tsunami Safety | External | Passing Juice |
| Tsunami Education and Outreach | External | Passing Juice |
| Exercises | Internal | Passing Juice |
| NOAA Tsunami Program | Internal | Passing Juice |
| TsunamiReady | External | Passing Juice |
| International Tsunami Information Center (ITIC) | Internal | Passing Juice |
| ITIC Caribbean Office | External | Passing Juice |
| Tsunami Research | External | Passing Juice |
| National Tsunami Hazard Mitigation Program | External | Passing Juice |
| About the Warning Centers | Internal | Passing Juice |
| Canada/US except Hawaii | Internal | Passing Juice |
| American Samoa | Internal | Passing Juice |
| Guam/CNMI | Internal | Passing Juice |
| Puerto Rico/Virgin Islands | Internal | Passing Juice |
| International Caribbean | External | Passing Juice |
| Visit a Warning Center | Internal | Passing Juice |
| view bulletin | Internal | Passing Juice |
| Last Event Details | Internal | Passing Juice |
| Map FAQ | Internal | Passing Juice |
| More earthquake information | External | Passing Juice |
SEO Keywords
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| tsunami | 9 |  |
 |
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| warning | 8 | |
|
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| information | 5 | |
|
|
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| center | 4 | |
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| national | 4 | |
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Usability
Url
Domain : tsunami.gov
Length : 11
Favicon
Great, your website has a favicon.
Language
You have not specified the language. Add a lang attribute to the <html> tag (for example lang='en') to declare the intended language of your website. Our free meta tag generator can add it.
Document
Doctype
HTML 4.01 Strict
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
| Deprecated tags | Occurrences |
|---|---|
| <u> | 1 |
Warning: Deprecated HTML tags are old HTML tags that should no longer be used. You should remove or replace these HTML tags because they are obsolete and may not render properly in all browsers.
Speed Tips
|
Not great, your website is using inline styles. This is not optimal. |
|
Not good, your website has too many CSS files (more than 4). |
|
This website has an excessive amount of Javascript files (more than 6). |
|
Awesome, your website takes advantage of GZIP compression for SEO optimization. |
Mobile
Mobile Optimization
|
Apple Icon |
|
Meta Viewport Tag |
Optimization
XML Sitemap
Missing
Your website does not have an XML sitemap - this can be a problem for search engines.
An XML sitemap informs search engines about URLs available for crawling on your site. It includes information about your site's latest updates, frequency of changes and relative importance of each URL. This allows search engines to crawl the site more efficiently.
Robots.txt
http://tsunami.gov/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
Unverified
AI Search Readiness
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 |
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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
4 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 |
Domain Info
tsunami.gov was registered on 12 Apr 1999 with get.gov and expires on 27 Aug 2027. It has no mail server (MX) records. The Wayback Machine first archived it in November 1999.
Registration
| Registrar | get.gov |
| Registered | 12 Apr 1999 (27 years ago) |
| Expires | 27 Aug 2027 |
| Last changed | 25 Aug 2026 |
| Nameservers | a1-97.akam.net, a11-66.akam.net, a18-67.akam.net, a26-64.akam.net, a6-65.akam.net, a7-66.akam.net |
| DNSSEC | Signed |
Hosting
| IPv4 address | 173.223.234.205, 173.223.234.203 |
|
IPv6 support |
Email Security
This domain has no mail server (MX) records, so it doesn't receive email.
|
SPF record |
|
DMARC record (policy: reject) |
Archive History
The Wayback Machine has snapshots of this site from 275 different months, from November 1999 to September 2026. View snapshots
PageSpeed Insights
Device
Categories
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