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klaviyo.io 200
HTTP Status A three-digit code showing if the site loaded successfully (200), redirects (301/302), or has errors (4xx/5xx).Read more →
200
SSL Expires When the SSL certificate expires. An expired certificate causes browser security warnings.Read more →
N/A
Domain Expires When the domain registration expires. If not renewed, the domain becomes available to others.Read more →
N/A
Hosting The company and location where this website's server is physically located.Read more →
AWS
Security Score based on key HTTP security headers: HSTS, Content-Security-Policy, and X-Frame-Options.Read more →
2/3
IP Address The numerical address of the server hosting this website. Reveals location, provider, and network.Read more →
15.197.142.173
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
N/A
Uptime
100%
Performance Lighthouse performance score from Google PageSpeed Insights (0–100). Measures real-world loading speed, interactivity and visual stability.
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Performance data not available yet.
Tech Stack Technologies detected on this website: CMS, frameworks, libraries, CDN, and analytics tools.
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No technologies detected
Screenshot
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Screenshot not available yet.
DNS Records DNS translates domain names to IP addresses. Records control where the site, email, and services are directed.Read more →
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| A (IPv4) | 15.197.142.1733.33.152.147 |
| NS | ns03.domaincontrol.comns04.domaincontrol.com |
WHOIS / RDAP Public registration data: who registered the domain, when, and when it expires.Read more →
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| Registrar | N/A |
| Registered | N/A |
| Expires | N/A |
| Last Updated | N/A |
SSL Certificate Encrypts the connection between browsers and this website. Valid SSL = HTTPS works.Read more → Invalid / Missing
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| Subject (CN) | N/A |
| Issuer | N/A |
| Valid From | N/A |
| Valid Until | N/A |
HTTP Headers Metadata sent by the server: reveals software, caching rules, and security configuration.Read more →
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| Status | 200 |
| Server | cloudflare |
| Content-Type | text/html |
| Final URL | https://www.klaviyo.com/?utm_source=klaviyo.io |
| strict-transport-security | max-age=31536000; includeSubDomains; preload |
| x-frame-options | SAMEORIGIN |
| x-content-type-options | nosniff |
| referrer-policy | strict-origin-when-cross-origin |
| cache-control | public, max-age=0, must-revalidate |
| cf-ray | a505643a79f5c562-IAD |
Security headers HTTP headers that protect visitors from attacks. HSTS forces HTTPS, CSP controls resource loading, X-Frame-Options prevents clickjacking.Read more →
Hosting Physical infrastructure: where the server is, who operates it, and what network it belongs to.Read more →
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| IP Address | 15.197.142.173 |
| Provider | AWS |
| Organization | Amazon.com, Inc. |
| ASN | AS16509 |
| Location | Seattle, Washington, US |
| Coordinates | 47.6339, -122.3476 |
Security Score
C (4/7)
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Sitemap & Robots
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No robots.txt
This site has no robots.txt file, so crawlers may access everything by default.
| Sitemap | Not found |
Social & Meta Tags
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No meta tags detected.
Mail Security Email authentication records (SPF & DMARC) that prevent spoofing and phishing from this domain.Read more →
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| SPF | Not set |
| DMARC | Not set |
Other TLDs Other top-level domain variants of this domain name and their availability. 21 active 2 for sale
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Uptime Monitor
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| Current Status | 🟢 Client Error |
| HTTP Status | 405 |
| Response Time | 5000ms |
| Last Checked | 2026-10-20 16:15:52.63137 |
| Uptime (30d) | 100% |