sismologia.cl
Centro Sismológico Nacional
Last scanned Aug 2, 2026, 2:00 PM · 7 views
Overall score
Excellent
Summary
Centro Sismológico Nacional. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing canonical link.
Centro Sismológico Nacional
Top issues to fix
7 issues found
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
6 issue(s) found
Performance
601 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 26, 2026
- Overall
- 90
- SEO
- 65
- Security
- 100
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Centro Sismológico Nacional
Meta tags
- Title
- Centro Sismológico Nacional
- Description
- Centro Sismológico Nacional
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, maximum-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- CloudFront
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- www.sismologia.cl
- Valid from
- Sep 5, 2025
- Valid to
- Oct 4, 2026
- Days until expiry
- 63
- SAN domains
- www.sismologia.cl, sismologia.cl
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 3 · H2 0 · H3 0
Links
21 internal · 16 external · 20 broken
Images
4 total · 0 missing alt
Scripts / Styles
4 scripts · 2 stylesheets
JS / CSS size
0 B · 0 B
Page size
9.6 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://sismologia.cl
- Final URL
- https://sismologia.cl
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 601 ms
- HTML size
- 9.6 KB
- Redirect chain
- https://sismologia.cl
See something wrong on this report? Request a correction
Frequently asked questions
- What technology does sismologia.cl use?
- We did not detect any specific technologies for sismologia.cl in the latest scan.
- Is sismologia.cl secure (HTTPS)?
- Yes. sismologia.cl uses TLS 1.3 with a certificate issued by Amazon, valid until Oct 4, 2026.
- Who hosts sismologia.cl?
- Hosting provider information for sismologia.cl is not available yet.
- What is sismologia.cl's SEO score?
- sismologia.cl scored 65/100 for SEO in the latest analysis (fair).
- What is sismologia.cl's overall website score?
- sismologia.cl has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
- Has sismologia.cl's score changed over time?
- sismologia.cl's overall score has stayed steady at 90/100 since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card