Monitor status
Unexpected response (404)
Classifies uptime checks into operational, blocked, timeout, SSL, DNS, and other categories.
Response Time
764ms
TTFB
640ms
Uptime (48h)
0.0%
Avg Response
527ms
Time to First Byte
0.64s
How long it took the website to start responding.
Full Load Time
0.764s
Total transfer time for the checked endpoint.
Caching
Max-age 180s
Cache policy discovered in headers.
Security Headers
5/6 present
Recommended response security headers.
SSL/TLS
Valid — 128 days left
Certificate validity and expiry details.
Trends
Recent performance and uptime behaviour.
Performance
Response time statistics over the last 48 hours (2159 checks).
Average
527 ms
Fastest
188 ms
Slowest
2154 ms
P95
1006 ms
Security & SSL
Security Headers
HeaderStatus
Content-Security-Policy
Present
Strict-Transport-Security
Present
X-Frame-Options
Present
X-Content-Type-Options
Present
Referrer-Policy
Present
Permissions-Policy
Missing
SSL Certificate
Status
Valid
Days until expiry128
IssuerApple Public EV Server RSA CA 1 - G1
Subjectwww.apple.com
ProtocolHTTP/1.x
Network & Connection
DNS Lookup0 ms — OK
TCP Connect78 ms — OK
Redirects0 hop(s)
Final URLhttps://www.apple.com/library/test/success.html/
Compressiongzip
Cache-Controlmax-age=180
Content & SEO
Page TitlePage Not Found - Apple
HTML Size102.9 KB
Monitor URLhttps://www.apple.com/library/test/success.html/
Canonicalhttps://www.apple.com/errors/us_error.html
Robots MetaNot set
Recent History
Last 10 check results.
Time
State
HTTP
Response
TTFB
12th Apr 2026 at 2:22 pm
UNEXPECTED_RESPONSE
404
764 ms
640 ms
12th Apr 2026 at 2:21 pm
UNEXPECTED_RESPONSE
404
995 ms
975 ms
12th Apr 2026 at 2:19 pm
UNEXPECTED_RESPONSE
404
689 ms
654 ms
12th Apr 2026 at 2:18 pm
UNEXPECTED_RESPONSE
404
258 ms
256 ms
12th Apr 2026 at 2:17 pm
UNEXPECTED_RESPONSE
404
684 ms
681 ms
12th Apr 2026 at 2:16 pm
UNEXPECTED_RESPONSE
404
638 ms
353 ms
12th Apr 2026 at 2:15 pm
UNEXPECTED_RESPONSE
404
342 ms
313 ms
12th Apr 2026 at 2:13 pm
UNEXPECTED_RESPONSE
404
706 ms
632 ms
12th Apr 2026 at 2:11 pm
UNEXPECTED_RESPONSE
404
884 ms
774 ms
12th Apr 2026 at 2:09 pm
UNEXPECTED_RESPONSE
404
453 ms
392 ms
Raw payload
{
"cache_control": "max-age=180",
"canonical": "https://www.apple.com/errors/us_error.html",
"compression": "gzip",
"content_keyword_ok": null,
"dns_ok": true,
"dns_time_sec": 0.0,
"etag": null,
"final_url": "https://www.apple.com/library/test/success.html/",
"hsts_present": true,
"monitor_status": "UNEXPECTED_RESPONSE",
"monitor_url": "https://www.apple.com/library/test/success.html/",
"page_size_bytes": 105411,
"redirects": [],
"request_method": "HEAD",
"robots_meta": null,
"security_headers": {
"Content-Security-Policy": true,
"Permissions-Policy": false,
"Referrer-Policy": true,
"Strict-Transport-Security": true,
"X-Content-Type-Options": true,
"X-Frame-Options": true
},
"ssl": {
"alpn": null,
"ssl_days_until_expiry": 128,
"ssl_issuer_cn": "Apple Public EV Server RSA CA 1 - G1",
"ssl_subject_cn": "www.apple.com",
"ssl_valid": true
},
"status": 404,
"tcp_connect_time_sec": 0.078,
"tcp_ok": true,
"title": "Page Not Found - Apple",
"total_time_sec": 0.764,
"ttfb_sec": 0.64
}