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8 tools

Network & Web Tools

Check internet performance, public IP details, DNS records, SSL certificates, website availability, redirect chains, response headers and browser user-agent information from one practical collection.

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Practical guidance

Using these tools effectively

Start with the tool that matches the symptom. Use the speed and IP tools for connection questions, DNS and SSL tools for domain changes, and status, redirect and header checks for deployment troubleshooting. Results are point-in-time observations, so repeat important checks and confirm production changes with your hosting, DNS or security provider.

Useful for

Website ownersDevelopers and DevOps teamsSEO professionalsSupport engineersStudents and IT learners

Tool directory

Choose a network & web tool

Open any tool to see examples, FAQs and related workflows.
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Online tool

Internet Speed Test

Measure approximate download speed, upload speed, latency and jitter in your browser using Cloudflare test endpoints.

FreeRuns in browser
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Online tool

IP Address Checker

Check your current public IP address and available network location information.

FreeRuns in browser
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Online tool

DNS Lookup

Look up A, AAAA, MX, TXT, CNAME, NS and SOA records for a public hostname.

FreeRuns in browser
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Online tool

SSL Certificate Checker

Inspect a public HTTPS certificate, issuer, validity dates, remaining days, protocol and cipher.

FreeRuns in browser
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Online tool

Website Status Checker

Check a public website status code, final URL, response time and basic server information.

FreeRuns in browser
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Online tool

Redirect Checker

Trace HTTP redirect hops, status codes and the final destination for a public URL.

FreeRuns in browser
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Online tool

HTTP Headers Checker

Inspect response headers and review common web security headers for a public URL.

FreeRuns in browser
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Online tool

User Agent Parser

Parse a browser user-agent string to identify the likely browser, operating system and device type.

FreeRuns in browser

Curated workflow

Follow a guided collection

The collection page groups commonly combined tools and explains how they fit together in a practical workflow.

Open Network & Web Tools collection