Uptime check
Website Status Checker
Check whether a website is up or down right now, and see its HTTP status code and server response time from an external location.
Overview
What is a website status checker?
A website status checker tests whether a website is reachable from an external location and measures how the server responds. It answers a common question quickly: is the website down, slow, or responding normally?
External Reachability
Tests whether the website responds from outside your own network.
Response Time
Measures how quickly the web server responded to the request.
HTTP Status
Reports whether the server returned success, a redirect, a client error, or a server error.
Troubleshooting Signal
Helps determine whether a site is down, slow, redirected, or returning errors.
What HTTP status codes mean
The status code tells you whether the site is working, redirecting, blocked, or failing.
OK
The website responded successfully and returned the requested page.
Redirect
The site is redirecting the request to another URL or location.
Client Error
The server responded, but access was denied or the page was not found.
Server Error
The website is reachable, but something is going wrong on the server or upstream.
Why a website might be down
Websites can become unavailable for many reasons, not just full server failure.
Server or Hosting Issues
The origin server may be overloaded, offline, misconfigured, or under maintenance.
DNS Problems
If DNS records are missing, broken, or still propagating, the site may appear unavailable even when the server is running.
SSL or Certificate Issues
Expired or invalid SSL certificates can prevent browsers from loading the site and may look like downtime.
Firewall, CDN, or WAF Blocking
Traffic may be blocked or rate-limited by security rules, regional controls, CDN settings, or anti-bot systems.
Is the website down for everyone or just you?
A site may appear down to one user but still work for others. External checks help separate local problems from wider outages.
Local Network Issue
Your own Wi-Fi, router, browser cache, VPN, or firewall may be preventing access.
DNS or ISP Problem
Your ISP or DNS resolver may still have stale records, routing issues, or regional connectivity problems.
Actual Website Outage
If the server fails externally too, the problem is more likely on the hosting, application, or infrastructure side.
How to troubleshoot website downtime
If a site appears unavailable, a few quick checks can help narrow down the cause.
Check DNS and Hosting
Confirm DNS records are correct, still propagating properly, and pointing to the expected hosting environment.
Check SSL Status
Review whether the website has a valid certificate and whether HTTPS is working correctly.
Test From Another Network
Try another internet connection or device to rule out a local connectivity issue.
Review Logs and Security Rules
Check web server logs, CDN rules, WAF settings, or firewall rules that may be blocking requests.
Website reliability for Canadian businesses
Website downtime can affect sales, customer trust, lead flow, and search visibility. For organizations handling customer data or running online services, reliable and secure infrastructure is part of good operational practice.
Regular uptime checks, DNS verification, SSL monitoring, and server reviews help businesses detect issues earlier and reduce the impact of outages on users and operations.
Answers
Frequently asked questions
What is a website status checker?
A website status checker tests whether a website is reachable and reports details such as HTTP status code and response time.
How do I know if a website is down?
A website status checker can test the site externally and tell you whether the server responded successfully, returned an error, or timed out.
What does HTTP 200 mean?
HTTP 200 means the server responded successfully and returned the requested content normally.
What does HTTP 503 mean?
HTTP 503 means the service is temporarily unavailable. This often happens during maintenance, overload, or backend issues.
Why is a website down for me but not for others?
That can happen because of local network issues, DNS resolver problems, browser cache, ISP routing, firewall rules, or regional outages.
Does a timeout mean the website is down?
Not always. A timeout can mean the site is down, but it can also be caused by network filtering, CDN behavior, firewall rules, or routing problems.
Can DNS problems make a site appear offline?
Yes. DNS errors, stale records, propagation delays, or wrong nameserver settings can make a website appear offline even when the server is running.
Can SSL problems make a website seem down?
Yes. Certificate issues can stop users from accessing a website normally and may look like downtime or a broken site experience.
Dig deeper
Site acting up? Run a full health report
Check DNS, SSL, blacklist status, and more together to find the root cause faster.