lowell.edu
Lowell Observatory Flagstaff | Pluto Discovery, Stargazing & Astronomy
Last scanned Aug 4, 2026, 2:00 PM · 12 views
Overall score
Great
Summary
Visit Lowell Observatory in Flagstaff, Arizona—the historic site where Pluto was discovered. This website uses WordPress hosted on Cloudflare behind Cloudflare CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.
Visit Lowell Observatory in Flagstaff, Arizona—the historic site where Pluto was discovered. Explore telescopes, exhibits, astronomy programs, and world-class stargazing beneath dark skies.
- United States
- Hosted on Cloudflare
Products & pricing
Product and pricing information published in this site's own structured data.
Frequently Asked Questions
$5 USD
Top issues to fix
8 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
139 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+1 overall since Jul 27, 2026
- Overall
- 84
- SEO
- 85
- Security
- 65
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Visit Lowell Observatory in Flagstaff, Arizona—the historic site where Pluto was discovered. Explore telescopes, exhibits, astronomy programs, and world-class stargazing beneath dark skies.
Contact
Email, phone, and address published on this site's own pages.
- info@lowell.edu
- Phone
- 928.774.3358
Meta tags
- Title
- Lowell Observatory Flagstaff | Pluto Discovery, Stargazing & Astronomy
- Description
- Visit Lowell Observatory in Flagstaff, Arizona—the historic site where Pluto was discovered. Explore telescopes, exhibits, astronomy programs, and world-class stargazing beneath dark skies.
- Canonical
- https://lowell.edu/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- follow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 141.193.213.10
- ASN
- AS209242 (CLOUDFLARESPECTRUM - Cloudflare London, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT | — |
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- lowell.edu
- Valid from
- Jun 18, 2026
- Valid to
- Sep 16, 2026
- Days until expiry
- 42
- SAN domains
- lowell.edu
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 7 · H3 0
Links
69 internal · 9 external · 15 broken
Images
35 total · 0 missing alt
Scripts / Styles
48 scripts · 49 stylesheets
JS / CSS size
164 KB · 245 KB
Page size
394 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 35
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://lowell.edu
- Final URL
- https://lowell.edu
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 131 ms
- HTML size
- 394 KB
- Redirect chain
- https://lowell.edu
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does lowell.edu use?
- lowell.edu is built with WordPress, jQuery, Google Analytics.
- Is lowell.edu secure (HTTPS)?
- Yes. lowell.edu uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 16, 2026.
- Who hosts lowell.edu?
- lowell.edu is hosted on Cloudflare, behind Cloudflare CDN.
- What is lowell.edu's SEO score?
- lowell.edu scored 85/100 for SEO in the latest analysis (great).
- What is lowell.edu's overall website score?
- lowell.edu has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
- What products does lowell.edu offer?
- lowell.edu offers Frequently Asked Questions.
- Has lowell.edu's score changed over time?
- lowell.edu's overall score has improved by 1 point (from 83 to 84) since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card