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Website is UP

Github

https://github.com

Every 5m HTTP 200 23rd Oct 2026 at 2:09 am
Open site Compare Security
Response time
483ms
TTFB
404ms
Uptime (48h)
N/A%
Avg response
N/Ams
Monitor status
Up (200)

Classifies uptime checks into operational, blocked, timeout, SSL, DNS, and other categories.

Time to First Byte
0.404s

How long it took the website to start responding.

Full Load Time
0.483s

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: 37 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?

Speed
Connection
Reliability
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 expiry37
IssuerSectigo Public Server Authentication CA DV E36
Subjectgithub.com
ProtocolHTTP/1.x
Network & connection
DNS lookup0 ms · OK
TCP connect7 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 · GitHub
HTML size566.6 KB
Canonicalhttps://github.com
Robots metaNot set

Recent history

Last 10 results.

Time State HTTP Response TTFB
23rd Oct 2026 at 2:09 am UP 200 483 ms 404 ms
23rd Oct 2026 at 2:04 am UP 200 302 ms 262 ms
23rd Oct 2026 at 1:59 am UP 200 373 ms 352 ms
23rd Oct 2026 at 1:53 am UP 200 347 ms 319 ms
23rd Oct 2026 at 1:47 am UP 200 1103 ms 810 ms
23rd Oct 2026 at 1:42 am UP 200 1268 ms 920 ms
23rd Oct 2026 at 1:36 am UP 200 288 ms 261 ms
23rd Oct 2026 at 1:31 am UP 200 250 ms 236 ms
23rd Oct 2026 at 1:26 am UP 200 348 ms 305 ms
23rd Oct 2026 at 1:21 am UP 200 1165 ms 506 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/\"70363514613d1d5a4da27a3474e03ca0\"",
  "final_url": "https://github.com/",
  "hsts_present": true,
  "monitor_status": "UP",
  "monitor_url": "https://github.com/",
  "page_size_bytes": 580232,
  "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": 37,
    "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": 0.007,
  "tcp_ok": true,
  "title": "GitHub \u00b7 Change is constant. GitHub keeps you ahead. \u00b7 GitHub \u00b7 GitHub",
  "total_time_sec": 0.483,
  "ttfb_sec": 0.404
}