What is a good ping response time?

Under 100ms is excellent, 100-300ms is acceptable, over 300ms is noticeable, over 500ms suggests routing issues.

Can I ping an IP address directly?

Yes. Enter a bare IP address and the tool will attempt an HTTP connection and measure round-trip time.

Why does ping time vary?

Routing changes, server load, DNS caching, and internet congestion all cause variation. Run 8-16 pings to see a reliable average.

Should I measure from your server or from my browser?

Use Our server to check whether a site is up and how fast it answers, with the real HTTP status code. Use Your browser to see the delay from where you are. The browser can only tell answered from not answered and cannot test plain http:// addresses.

🌐 Network and Web Free Forever

Ping Tool Online Free

Test connectivity and HTTP response time to any domain or IP address. Measure DNS lookup, first byte time, and total latency across multiple runs.

All Network and Web Tools

Host or IP address

Requests

Try:

What this actually measures. A browser cannot send an ICMP echo, which is what the ping command in your terminal uses. This tool measures an HTTP or HTTPS round trip instead, so the numbers will read higher than a terminal ping against the same host. That difference is the TLS handshake and the web server, not network latency.

Reading the results. Jitter is the variation between requests, and it matters more than raw latency for calls and video. Loss counts requests that got no answer at all. A host that answers but refuses cross-origin requests may show as no response in limited mode, which is a browser security rule rather than a fault at the other end.

About This Tool

Why this ping tool measures HTTP round trips, not real ICMP packets

The word ping, in networking, means one specific thing: an ICMP echo request sent to a host, and an ICMP echo reply sent back, as defined in RFC 792. That protocol operates below the transport layer, using raw sockets that require operating system level privileges to open. Browsers do not expose raw sockets to JavaScript, full stop. No browser setting, extension, or workaround changes that, it is a deliberate sandboxing decision that keeps a web page from crafting arbitrary network packets.

So what this tool reports as milliseconds is something different, and worth naming precisely: the time an HTTP or HTTPS request takes. You choose where it is measured. Our server requests the host and reports the time to the first byte of the reply, along with the real HTTP status code. Your browser sends the requests itself and times them with performance.now(), so the numbers include your own connection. Both are real latency measurements, just not the same measurement ICMP ping produces.

What actually happens on each request

Step 1 Clean up the address The host name or IPv4 address is checked, and any path is dropped. A port such as :8080 is kept. Without a scheme, the tool uses HTTPS, or HTTP for ports 80 and 8080.

Step 2 Our server mode Our server requests the address and reports its time to first byte, which includes DNS lookup, the TCP connection and the TLS handshake. Any HTTP status counts as an answer, because the host replied. A host that cannot be resolved, or a private address, stops the test with a clear message.

Step 3 Your browser mode Your browser sends a HEAD request in no-cors mode and times it. The reply is hidden from the page for security reasons, so the only honest outcomes are answered or not answered. A request that fails for any reason, including DNS errors and refused connections, counts as lost, never as a reply. Plain http:// hosts cannot be tested this way from a secure page.

Step 4 Stats and spacing Requests are sent one at a time, 800 milliseconds apart, each with an 8 second timeout. Fastest, average, slowest, jitter and loss update after every reply. Jitter is the average change between one reply and the next, the way ping tools usually report it.

// browser mode timing, from the tool source var t0 = performance.now(); fetch(url, { method: 'HEAD', mode: 'no-cors', cache: 'no-store', signal: ctrl.signal }).then(function () { resolve({ reachable: true, ms: performance.now() - t0 }); }).catch(function () { resolve({ reachable: false }); // never counted as a reply });

This measures application layer latency, not network layer latency. An HTTP request has to complete a TCP handshake, and for HTTPS a TLS handshake on top of that, before the server even looks at it. True ICMP ping skips both and measures only the raw network path. So these numbers will usually run higher than a command line ping to the same host. In browser mode the first request also pays for connection setup, and later ones usually reuse the connection.

Reading the color coded results

Color	Range	What it suggests
Green	Under 150ms	Healthy for most web and application traffic
Yellow	150 to 400ms	Noticeable but usually tolerable, common on long distance routes or mobile networks
Red	Over 400ms, or no answer	Likely to cause visible lag in interactive use, or the host did not answer within 8 seconds

What leaves your browser

In our server mode, the address you test is sent to our server, which makes the requests. We do not store it. In your browser mode, requests go straight from your browser to the host, so the host sees your IP address and this site never sees the results.

Why cache is disabled

Browser mode requests use cache: 'no-store' and a unique query string, so a cached response cannot come back instantly and produce a meaningless low reading.

HTTP timing, not ICMP Server or browser measurement 8 second timeout per request

RFC 792 defines ICMP and the true echo request and reply this tool cannot send from a browser.
MDN performance.now() documents the high resolution timer used for every measurement here.
MDN fetch request mode explains what no-cors actually restricts and permits.
RFC 9293 is the current TCP specification covering the handshake this tool's latency includes and ICMP does not.

Diagnosing reachability

Quick uptime spot checks on a server you manage, comparing perceived latency to a few candidate CDN or hosting regions before committing to one, diagnosing whether a slow feeling site is a network issue or a server processing issue, and confirming a host is reachable at all from your current location and network, which is often the fastest first troubleshooting step when something feels down.

Common Questions

FAQ: Ping Tool Online Free

Command-line ping sends ICMP Echo packets, which require OS-level network access. Browsers are sandboxed and cannot send ICMP. This tool measures HTTP response time instead, which reflects real user-facing latency more accurately for web services.

Under 100ms is excellent. 100-300ms is acceptable for most use cases. Over 300ms will be noticeable for interactive web apps. Over 500ms suggests significant routing issues or a server that is geographically far from you.

Yes, enter a bare IPv4 address. The tool sends HTTP requests to that address. If no web server is running on it, there is nothing to answer, so the requests show as lost. A failed connection is never counted as a reply. For a machine without a web server, use the port checker instead.

Network latency varies due to routing path changes, server load, DNS caching (or lack thereof), browser processing overhead, and general internet congestion. Running 8-16 pings and comparing min/avg/max gives a more reliable picture than a single result.

Use Our server to check whether a site is up and how fast it answers. You get the real HTTP status code, and your own connection does not affect the result. Use Your browser to see the delay from where you are. The browser cannot read the reply, so it can only tell answered from not answered, and it cannot test plain http:// addresses.

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