Monitor status
Up (200)
Classifies uptime checks into operational, blocked, timeout, SSL, DNS, and other categories.
Response time
141ms
TTFB
137ms
Uptime (48h)
100.0%
Avg response
199ms
Time to First Byte
0.137s
How long it took the website to start responding.
Full Load Time
0.141s
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: 86 days left
Certificate validity and expiry details.
SEO snapshot
Latest score and how it has changed over time. What does this score mean?
84/ 100
Trends
Performance and uptime over the last 48 hours. What is TTFB?
Performance
Response time over 522 checks in the last 48 hours.
Average
199 ms
Fastest
72 ms
Slowest
1097 ms
P95
555 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 expiry86
IssuerYE1
Subjectwww.anthropic.com
ProtocolHTTP/1.x
Network & connection
DNS lookup5 ms · OK
TCP connect3 ms · OK
Redirects0 hop(s)
Final URLhttps://www.anthropic.com/
Compressiongzip
Cache-ControlNot set
Content & SEO
Page titleHome \ Anthropic
HTML size173.0 KB
Canonicalhttps://www.anthropic.com
Robots metaNot set
Recent history
Last 10 results.
Time
State
HTTP
Response
TTFB
9th Sep 2026 at 4:41 am
UP
200
141 ms
137 ms
9th Sep 2026 at 4:36 am
UP
200
192 ms
130 ms
9th Sep 2026 at 4:30 am
UP
200
88 ms
83 ms
9th Sep 2026 at 4:25 am
UP
200
94 ms
83 ms
9th Sep 2026 at 4:19 am
UP
200
336 ms
209 ms
9th Sep 2026 at 4:13 am
UP
200
118 ms
104 ms
9th Sep 2026 at 4:08 am
UP
200
246 ms
241 ms
9th Sep 2026 at 4:03 am
UP
200
80 ms
78 ms
9th Sep 2026 at 3:57 am
UP
200
206 ms
184 ms
9th Sep 2026 at 3:51 am
UP
200
189 ms
157 ms
Raw payload
{
"cache_control": null,
"canonical": "https://www.anthropic.com",
"compression": "gzip",
"content_keyword_ok": null,
"dns_ok": true,
"dns_time_sec": 0.005,
"etag": null,
"final_url": "https://www.anthropic.com/",
"hsts_present": true,
"monitor_status": "UP",
"monitor_url": "https://www.anthropic.com/",
"page_size_bytes": 177132,
"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": 86,
"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": 0.003,
"tcp_ok": true,
"title": "Home \\ Anthropic",
"total_time_sec": 0.141,
"ttfb_sec": 0.137
}