Monitor status
Up (200)
Classifies uptime checks into operational, blocked, timeout, SSL, DNS, and other categories.
Response time
407ms
TTFB
377ms
Uptime (48h)
100.0%
Avg response
415ms
Time to First Byte
0.377s
How long it took the website to start responding.
Full Load Time
0.407s
Total transfer time for the checked endpoint.
Caching
Not set
Cache policy discovered in headers.
Security Headers
2/6 present
Recommended response security headers.
SSL/TLS
Valid: 49 days left
Certificate validity and expiry details.
SEO snapshot
Run a one-off audit to start tracking SEO health alongside uptime. What does this score mean?
No SEO data yet
Audits cover meta tags, headings, social previews, structured data, and technical signals. Each run is saved so you can watch the trend.
Trends
Performance and uptime over the last 48 hours. What is TTFB?
Performance
Response time over 526 checks in the last 48 hours.
Average
415 ms
Fastest
178 ms
Slowest
1317 ms
P95
700 ms
Security & SSL
Security headers
HeaderStatus
Content-Security-Policy
Present
Strict-Transport-Security
Present
X-Frame-Options
Missing
X-Content-Type-Options
Missing
Referrer-Policy
Missing
Permissions-Policy
Missing
SSL certificate
Status
Valid
Days until expiry49
IssuerYE1
Subjectwww.anthropic.com
ProtocolHTTP/1.x
Network & connection
DNS lookup8 ms · OK
TCP connect12 ms · OK
Redirects0 hop(s)
Final URLhttps://www.anthropic.com/
Compressiongzip
Cache-ControlNot set
Content & SEO
Page titleHome \ Anthropic
HTML size196.6 KB
Canonicalhttps://www.anthropic.com
Robots metaNot set
Recent history
Last 10 results.
Time
State
HTTP
Response
TTFB
15th Oct 2026 at 7:38 pm
UP
200
407 ms
377 ms
15th Oct 2026 at 7:33 pm
UP
200
271 ms
259 ms
15th Oct 2026 at 7:27 pm
UP
200
691 ms
680 ms
15th Oct 2026 at 7:22 pm
UP
200
443 ms
422 ms
15th Oct 2026 at 7:16 pm
UP
200
400 ms
384 ms
15th Oct 2026 at 7:10 pm
UP
200
520 ms
449 ms
15th Oct 2026 at 7:04 pm
UP
200
302 ms
298 ms
15th Oct 2026 at 6:59 pm
UP
200
818 ms
649 ms
15th Oct 2026 at 6:54 pm
UP
200
858 ms
689 ms
15th Oct 2026 at 6:48 pm
UP
200
604 ms
596 ms
Raw payload
{
"cache_control": null,
"canonical": "https://www.anthropic.com",
"compression": "gzip",
"content_keyword_ok": null,
"dns_ok": true,
"dns_time_sec": 0.008,
"etag": null,
"final_url": "https://www.anthropic.com/",
"hsts_present": true,
"monitor_status": "UP",
"monitor_url": "https://www.anthropic.com/",
"page_size_bytes": 201364,
"redirects": [],
"request_method": "GET",
"robots_meta": null,
"security_headers": {
"Content-Security-Policy": true,
"Permissions-Policy": false,
"Referrer-Policy": false,
"Strict-Transport-Security": true,
"X-Content-Type-Options": false,
"X-Frame-Options": false
},
"ssl": {
"alpn": null,
"ssl_days_until_expiry": 49,
"ssl_expires_on": "04 Dec 2026",
"ssl_issuer_cn": "YE1",
"ssl_subject_cn": "www.anthropic.com",
"ssl_valid": true,
"ssl_valid_from": "05 Sep 2026"
},
"status": 200,
"tcp_connect_time_sec": 0.012,
"tcp_ok": true,
"title": "Home \\ Anthropic",
"total_time_sec": 0.407,
"ttfb_sec": 0.377
}