Check If a Website Is Online
Enter a website address to check HTTP status, response time and whether the site appears online.
Results
What Is a Website Status Checker?
A website status checker tests whether a website is responding and shows useful HTTP status information.
It helps website owners, developers and support teams quickly confirm whether a site appears online, down or returning an error.
- Check if a website is online
- View HTTP response codes
- Measure basic response time
- Troubleshoot downtime or server errors
Why Website Uptime Matters
Website uptime matters because visitors need to be able to reach your site when they search for your business, click an advert, follow a link or try to contact you. If the website is unavailable at that moment, an enquiry, booking or sale can easily be lost.
Occasional short interruptions can happen, but repeated downtime can damage confidence in a website. This is particularly important for business websites, online shops and services where customers expect pages, forms and checkout systems to be available throughout the day.
Downtime can also affect search engine crawling. If a search engine tries to visit a page while the server is repeatedly returning errors or not responding, it cannot access the content during that period. Reliable hosting, sensible website updates and regular monitoring all help reduce avoidable outages.
A website status checker gives you a quick snapshot of whether a site is responding now. For websites where availability is important, regular uptime monitoring is more useful because it can identify repeated or intermittent problems that a single manual check may miss. You can also read our guide to why website uptime matters for more detail.
Practical Checks
How to Interpret Website Status Results
Status checks help confirm whether a website responds successfully, redirects, or returns an error.
Online
A successful response usually means the site is reachable from the checker.
Offline
No response can indicate hosting downtime, DNS issues, firewall blocks or server errors.
HTTP code
Status codes help explain whether the page loaded, redirected, was missing or failed.
If a Website Appears Down
- Check the site from another browser or network.
- Review DNS and nameserver changes.
- Check SSL status and redirects.
- Contact the hosting provider if server errors continue.
If a website is down for you but works from another device or network, the problem may be local rather than a full website outage. DNS caching, browser problems, VPNs, firewall rules and ISP routing can all make a working website appear unavailable to individual visitors.
ERROR CODES
A status result is a starting point, not a full diagnosis
A successful response confirms that the checker received a reply. It does not prove that every page, form, login, payment journey or email service is working normally.
| Result | What it usually means | What to check next |
|---|---|---|
| 200–299 | The page responded successfully. | Open key pages, submit a form and check the site on mobile if visitors report a problem. |
| 300–399 | The site is redirecting. | Check that the redirect reaches the intended HTTPS or preferred URL without loops. |
| 400–499 | The server responded, but the request was missing, blocked or not allowed. | Check the URL, access rules, security settings and any recent DNS or website changes. |
| 500–599 | The server or application could not complete the request. | Check recent updates, server logs and error messages, then contact the host if the issue continues. |
When a site is online but feels slow
A website can be online but still slow
A website can return HTTP 200 and still feel slow to visitors. A status check tells you whether it answered; it does not measure the full visitor experience.
Slow page load
Large images, heavy themes, scripts, plugins or a busy database can slow the page after the server has responded.
Slow server response
A high response time can point to a temporary server load, an inefficient application or a hosting plan that no longer fits the site.
What to do next
Run a separate page-speed check, test the main pages and compare the results before making changes or upgrading hosting.
A sensible troubleshooting order
What to check before changing hosting or DNS
- Check the exact URL. Test the homepage and any affected page rather than assuming the whole site is down.
- Try another network. A mobile connection or different browser can show whether the problem is local.
- Look for recent changes. DNS edits, plugin updates, SSL renewals and server changes are common starting points.
- Check the result code. A 404, 403 and 500 each need a different response.
- Keep notes before making bigger changes. Record the error, the time and the steps already tested so support can investigate faster.
When to contact your host
Contact the hosting provider when a 5xx server error continues, the website is unavailable from more than one network, or a recent hosting-side change may have caused the issue.
Include the affected URL, the HTTP code, the approximate time, any recent changes and screenshots or error messages where possible.
Website Tools
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Common Questions
Website Status Checker FAQs
Select a question to open the answer. The FAQs are split into two columns on larger screens and stack neatly on mobile.