uo.edu.cu website report
Sitio en mantenimiento
Last scanned
Overall score
Fair
About uo.edu.cu
uo.edu.cu is a website.
Score profile
Top issues to fix
14 issues found · 6 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 meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
+8 more issues — details in the sections below.
How it compares
uo.edu.cu scores higher overall than 3% of the 163,243 sites we have scanned.
vs. All scanned sites
163,243 sitesThe dot is this site; the tick is the typical (median) score for the group. The number on the right is the percentile: the share of the group this site scores above.
Technology stack
uo.edu.cu is built with Nginx.
Servers (1)
Hosting & DNS
- IP address
- 200.55.162.203
- ASN
- —
- IPv6
- Not supported
- HTTP
- HTTP/1.1
Show DNS record values
- A
- 200.55.162.203
- MX
- mx1.uo.edu.cu, mx2.uo.edu.cu
- NS
- proxy1.uo.edu.cu, mx.uo.edu.cu
TXT record contents are not republished; only their count is shown.
Security
uo.edu.cu serves a certificate that fails verification (hostname mismatch) and sets 0 of 6 recommended security headers.
Security headers0 of 6 set
- HSTSForces HTTPS
- CSPBlocks injected scripts
- X-Frame-OptionsStops clickjacking
- X-Content-TypeStops MIME sniffing
- Referrer-PolicyLimits URL leakage
- Permissions-PolicyRestricts browser features
TLS certificate
- Names covered
- 1
- Cookies set
- 0
Email security
uo.edu.cu scores B for email security, with SPF and DMARC policy “reject”.
- SPFGood
Rejects senders not listed (-all).
- DMARCGood
Forged mail is rejected; reports are collected.
- MTA-STSNot set
Not published; mail to this domain can be downgraded to plaintext.
- BIMINot set
Not published (optional).
Performance & carbon
uo.edu.cu scores 90/100 for performance, with an estimated load time of 1.8 s. A visit emits an estimated 0.00 g of CO2 (grade A+).
Page weight
- HTML 1.4 KB
- CSS 468 B
- Est. load
- 1.81 s
- Response
- 1.81 s
- Scripts / CSS
- 0 / 0
Carbon per visitA+
0.00 g CO2 per uncached view
Estimate from the Sustainable Web Design model. HTML, JavaScript and CSS only; images, video and fonts are not measured. Treat it as a lower bound for comparing pages, not an audit.
SEO & accessibility
uo.edu.cu scores 50/100 for SEO and 45/100 for accessibility, with 7 SEO issues to fix.
Heading structure
No H1 found.
Image alt text
1 images · 1 without alt text · 0 lazy-loaded
Links
- Internal 1
SEO issues7
- Missing meta description
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues4
- Over half of images are missing alt text
- No H1 heading found
- Missing <html lang> attribute
- Missing viewport meta tag
Technical details
Page metadata, social tags, crawl files and scan information.
Meta tags
- Title
- Sitio en mantenimiento
- Description
- Canonical
- Language
- Robots meta
Crawl files
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
Structured data
No JSON-LD types declared.
- Microdata items
- 0
- RDFa items
- 0
Scan
- Final URL
- https://uo.edu.cu
- HTTP status
- 200
- Redirects
- https://uo.edu.cu
- Scanned
- Aug 24, 2026, 1:23 PM
Own uo.edu.cu? Show your score
Add this badge to your site. It always shows the latest scan.
<a href="https://sitegraph.tech/site/uo-edu-cu"><img src="https://sitegraph.tech/badge/uo-edu-cu.svg" alt="uo.edu.cu on SiteGraph" width="190" height="20" /></a>See something wrong on this report? Request a correction or ask for something to be removed.
Related websites
Same technology stack
contao.org
Contao Open Source CMS
gabor.com
Gabor Shoes GmbH | Offizieller Online-Shop für Gabor Schuhe
andritz.com
ANDRITZ GROUP
anisearch.de
aniSearch ‒ We’re all about anime and manga!
daidoanket.vn
Báo Đại Đoàn Kết
hostux.net
Hostux Network – Privacy-Focused & Open-Source Tools
Frequently asked questions about uo.edu.cu
- What is uo.edu.cu?
- uo.edu.cu is a website.
- What technology does uo.edu.cu use?
- uo.edu.cu is built with Nginx.
- Is uo.edu.cu secure?
- uo.edu.cu serves a certificate that fails verification (hostname mismatch) and sets 0 of 6 recommended security headers.
- Is uo.edu.cu protected against email spoofing?
- uo.edu.cu scores B for email security, with SPF and DMARC policy “reject”.
- How does uo.edu.cu compare with similar sites?
- uo.edu.cu scores higher overall than 3% of the 163,243 sites we have scanned.
- What is uo.edu.cu's overall score?
- uo.edu.cu has an overall SiteGraph score of 53/100, combining SEO (50), performance (90), security (25) and accessibility (45).
Open Graph & Twitter