Blog

Guides and tutorials about IP addresses, online privacy, VPNs, and networking.

Topics Accessibility (1) Backlinks (1) Dns (1) Geolocation (1) Ip (3) Ipv4 (1) Ipv6 (1) Network (4) Performance (3) Privacy (3) Security (1) Seo (4) Tools (3) Vpn (1) Website-audit (2)
Link analysis dashboard showing internal and external link counts, follow vs nofollow distribution, and a network graph of connected pages
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seotoolsbacklinks

Why My Backlink Checker Doesn't Work Like Ahrefs (And Why That's OK)

I built a free backlink checker. It won't replace Ahrefs or Majestic. But for analyzing on-page links, spotting issues, and competitor research, it's surprisingly useful.
DNS query flow diagram showing a browser sending a request through DNS resolver to nameserver, with different record type labels branching off
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dnsnetworktools

What Happens When You Type a Domain? A DNS Lookup Breakdown

Every time you visit a website, your browser performs a DNS lookup. Here's what A, AAAA, CNAME, MX, NS, TXT, SOA, and SRV records actually do — and how to check them for free.
Dashboard showing 19 SEO checklist items with pass/fail status, a browser window with magnifying glass, and a score overview
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seotoolsperformance

I Built a Free SEO Analyzer — Here Are the 19 Checks It Runs

One weekend I built a free on-page SEO checker. It runs 19 checks against any URL. I ran it on my own site and found things I'd been missing for months.
SEO analyzer showing search engine result, ranking graph trending upward, and three fix categories: meta descriptions, content depth, and alt text
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seowebsite-auditperformance

3 On-Page SEO Mistakes We Made (And How We Fixed Them)

We ran our own SEO analyzer across the site and found three recurring issues that were hurting our rankings. Here's exactly what they were and how we fixed them.
Website audit browser preview showing a scored checklist with SEO, performance, and accessibility sections
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seowebsite-auditperformanceaccessibility

I Ran a Full Website Audit on My Site — Here's What I Found

Built a website audit tool, then ran it on my own site. Found broken links, missing meta descriptions, accessibility issues, and more. Here's what I learned.
World map with a pin marker showing approximate IP location
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ipgeolocationprivacynetwork

How IP Location Works and Why It's Not Always Accurate

Wondering why your IP location shows a different city? Learn how IP geolocation works, why it's often imprecise, and what affects its accuracy.
Shield icon protecting a computer network connection
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privacyvpnsecurity

How to Hide My IP Address

Your IP address reveals your approximate location and ISP to every website you visit. Here are the most common methods to hide your IP address and protect your identity online.
Side-by-side comparison of IPv4 and IPv6 address formats
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ipnetworkipv4ipv6

IPv4 vs IPv6: What's the Difference?

IPv4 and IPv6 are two versions of the Internet Protocol. Learn the key differences between IPv4 and IPv6 addresses, including format, security, and address space.
Illustration of a digital display showing a public IP address
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ipnetworkprivacy

What Is My IP Address?

Your public IP address is a unique identifier assigned to your internet connection by your ISP. Learn what it reveals and how to find yours.