Monitor status
Up (200)
Classifies uptime checks into operational, blocked, timeout, SSL, DNS, and other categories.
Response time
433ms
TTFB
354ms
Uptime (48h)
100.0%
Avg response
343ms
Time to First Byte
0.354s
How long it took the website to start responding.
Full Load Time
0.433s
Total transfer time for the checked endpoint.
Caching
Max-age 300s
Cache policy discovered in headers.
Security Headers
6/6 present
Recommended response security headers.
SSL/TLS
Valid: 74 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 521 checks in the last 48 hours.
Average
343 ms
Fastest
140 ms
Slowest
1335 ms
P95
591 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
Present
SSL certificate
Status
Valid
Days until expiry74
IssuerGlobalSign RSA OV SSL CA 2018
Subjectwww.gov.uk
ProtocolHTTP/1.x
Network & connection
DNS lookup0 ms · OK
TCP connect18 ms · OK
Redirects0 hop(s)
Final URLhttps://www.gov.uk/
Compressiongzip
Cache-Controlmax-age=300, public
Content & SEO
Page titleWelcome to GOV.UK
HTML size83.5 KB
Canonicalhttps://www.gov.uk/
Robots metaNot set
Recent history
Last 10 results.
Time
State
HTTP
Response
TTFB
15th Oct 2026 at 9:16 pm
UP
200
433 ms
354 ms
15th Oct 2026 at 9:11 pm
UP
200
280 ms
261 ms
15th Oct 2026 at 9:06 pm
UP
200
362 ms
341 ms
15th Oct 2026 at 9:01 pm
UP
200
348 ms
322 ms
15th Oct 2026 at 8:56 pm
UP
200
349 ms
329 ms
15th Oct 2026 at 8:51 pm
UP
200
291 ms
270 ms
15th Oct 2026 at 8:46 pm
UP
200
267 ms
254 ms
15th Oct 2026 at 8:41 pm
UP
200
336 ms
325 ms
15th Oct 2026 at 8:35 pm
UP
200
203 ms
176 ms
15th Oct 2026 at 8:29 pm
UP
200
375 ms
352 ms
Raw payload
{
"cache_control": "max-age=300, public",
"canonical": "https://www.gov.uk/",
"compression": "gzip",
"content_keyword_ok": null,
"dns_ok": true,
"dns_time_sec": 0.0,
"etag": "W/\"eabd32f6d7b5abe144d2e64a7eead94f\"",
"final_url": "https://www.gov.uk/",
"hsts_present": true,
"monitor_status": "UP",
"monitor_url": "https://www.gov.uk/",
"page_size_bytes": 85520,
"redirects": [],
"request_method": "GET",
"robots_meta": null,
"security_headers": {
"Content-Security-Policy": true,
"Permissions-Policy": true,
"Referrer-Policy": true,
"Strict-Transport-Security": true,
"X-Content-Type-Options": true,
"X-Frame-Options": true
},
"ssl": {
"alpn": null,
"ssl_days_until_expiry": 74,
"ssl_expires_on": "28 Dec 2026",
"ssl_issuer_cn": "GlobalSign RSA OV SSL CA 2018",
"ssl_subject_cn": "www.gov.uk",
"ssl_valid": true,
"ssl_valid_from": "26 Nov 2025"
},
"status": 200,
"tcp_connect_time_sec": 0.018,
"tcp_ok": true,
"title": "Welcome to GOV.UK",
"total_time_sec": 0.433,
"ttfb_sec": 0.354
}