Monitor status
Up (200)
Classifies uptime checks into operational, blocked, timeout, SSL, DNS, and other categories.
Response time
488ms
TTFB
473ms
Uptime (48h)
100.0%
Avg response
864ms
Time to First Byte
0.473s
How long it took the website to start responding.
Full Load Time
0.488s
Total transfer time for the checked endpoint.
Caching
Max-age 0s
Cache policy discovered in headers.
Security Headers
3/6 present
Recommended response security headers.
SSL/TLS
Valid: 53 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 140 checks in the last 48 hours.
Average
864 ms
Fastest
480 ms
Slowest
2188 ms
P95
1486 ms
Security & SSL
Security headers
HeaderStatus
Content-Security-Policy
Present
Strict-Transport-Security
Present
X-Frame-Options
Missing
X-Content-Type-Options
Present
Referrer-Policy
Missing
Permissions-Policy
Missing
SSL certificate
Status
Valid
Days until expiry53
IssuerWE1
Subjectopenai.com
ProtocolHTTP/1.x
Network & connection
DNS lookup0 ms · OK
TCP connect8 ms · OK
Redirects0 hop(s)
Final URLhttps://openai.com/
Compressiongzip
Cache-Controlpublic, max-age=0, must-revalidate
Content & SEO
Page titleOpenAI | Research & Deployment
HTML size413.3 KB
Canonicalhttps://openai.com/
Robots metaindex, follow
Recent history
Last 10 results.
Time
State
HTTP
Response
TTFB
23rd Oct 2026 at 2:06 am
UP
200
488 ms
473 ms
23rd Oct 2026 at 2:00 am
UP
200
547 ms
515 ms
23rd Oct 2026 at 1:54 am
UP
200
1385 ms
1126 ms
23rd Oct 2026 at 1:49 am
UP
200
675 ms
667 ms
23rd Oct 2026 at 1:43 am
UP
200
626 ms
599 ms
23rd Oct 2026 at 1:37 am
UP
200
1238 ms
1161 ms
23rd Oct 2026 at 1:32 am
UP
200
1486 ms
1474 ms
23rd Oct 2026 at 1:27 am
UP
200
672 ms
620 ms
23rd Oct 2026 at 1:22 am
UP
200
824 ms
734 ms
23rd Oct 2026 at 1:17 am
UP
200
704 ms
614 ms
Raw payload
{
"cache_control": "public, max-age=0, must-revalidate",
"canonical": "https://openai.com/",
"compression": "gzip",
"content_keyword_ok": null,
"dns_ok": true,
"dns_time_sec": 0.0,
"etag": null,
"final_url": "https://openai.com/",
"hsts_present": true,
"monitor_status": "UP",
"monitor_url": "https://openai.com/",
"page_size_bytes": 423190,
"redirects": [],
"request_method": "GET",
"robots_meta": "index, follow",
"security_headers": {
"Content-Security-Policy": true,
"Permissions-Policy": false,
"Referrer-Policy": false,
"Strict-Transport-Security": true,
"X-Content-Type-Options": true,
"X-Frame-Options": false
},
"ssl": {
"alpn": null,
"ssl_days_until_expiry": 53,
"ssl_expires_on": "15 Dec 2026",
"ssl_issuer_cn": "WE1",
"ssl_subject_cn": "openai.com",
"ssl_valid": true,
"ssl_valid_from": "16 Sep 2026"
},
"status": 200,
"tcp_connect_time_sec": 0.008,
"tcp_ok": true,
"title": "OpenAI | Research \u0026 Deployment",
"total_time_sec": 0.488,
"ttfb_sec": 0.473
}