Classifies uptime checks into operational, blocked, timeout, SSL, DNS, and other categories.
Response time
61ms
TTFB
50ms
Uptime (48h)
99.8%
Avg response
142ms
Monitor status
Up (200)
Time to First Byte
0.05s
How long it took the website to start responding.
Full Load Time
0.061s
Total transfer time for the checked endpoint.
Caching
Max-age 0s
Cache policy discovered in headers.
Security Headers
5/6 present
Recommended response security headers.
SSL/TLS
Valid: 81 days left
Certificate validity and expiry details.
SEO snapshot
Latest score and how it has changed over time. What does this score mean?
76/ 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
142 ms
Fastest
39 ms
Slowest
859 ms
P95
416 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 expiry81
IssuerSectigo Public Server Authentication CA DV E36
Subjectgithub.com
ProtocolHTTP/1.x
Network & connection
DNS lookup0 ms · OK
TCP connect9 ms · OK
Redirects0 hop(s)
Final URLhttps://github.com/
Compressiongzip
Cache-Controlmax-age=0, private, must-revalidate
Content & SEO
Page titleGitHub · Change is constant. GitHub keeps you ahead. · GitHub
HTML size562.5 KB
Canonicalhttps://github.com
Robots metaNot set
Recent history
Last 10 results.
Time
State
HTTP
Response
TTFB
9th Sep 2026 at 4:46 am
UP
200
61 ms
50 ms
9th Sep 2026 at 4:41 am
UP
200
71 ms
59 ms
9th Sep 2026 at 4:36 am
UP
200
225 ms
94 ms
9th Sep 2026 at 4:31 am
UP
200
72 ms
60 ms
9th Sep 2026 at 4:25 am
UP
200
108 ms
58 ms
9th Sep 2026 at 4:20 am
UP
200
182 ms
110 ms
9th Sep 2026 at 4:14 am
UP
200
83 ms
65 ms
9th Sep 2026 at 4:08 am
UP
200
107 ms
78 ms
9th Sep 2026 at 4:02 am
UP
200
68 ms
59 ms
9th Sep 2026 at 3:57 am
UP
200
110 ms
84 ms
Raw payload
{
"cache_control": "max-age=0, private, must-revalidate",
"canonical": "https://github.com",
"compression": "gzip",
"content_keyword_ok": null,
"dns_ok": true,
"dns_time_sec": 0.0,
"etag": "W/\"33aedbd1583452a69cf2f94460c4d862\"",
"final_url": "https://github.com/",
"hsts_present": true,
"monitor_status": "UP",
"monitor_url": "https://github.com/",
"page_size_bytes": 576018,
"redirects": [],
"request_method": "GET",
"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": 81,
"ssl_expires_on": "29 Nov 2026",
"ssl_issuer_cn": "Sectigo Public Server Authentication CA DV E36",
"ssl_subject_cn": "github.com",
"ssl_valid": true,
"ssl_valid_from": "01 Sep 2026"
},
"status": 200,
"tcp_connect_time_sec": 0.009,
"tcp_ok": true,
"title": "GitHub \u00b7 Change is constant. GitHub keeps you ahead. \u00b7 GitHub",
"total_time_sec": 0.061,
"ttfb_sec": 0.05
}