FreeWebCheck
How to Secure Your Website: A Practical Guide
Website security doesn't have to be complicated. Here's a practical checklist covering SSL certificates, CSP headers, HSTS, mixed content, and common vulnerabilities — all things you can check with free tools.
A Guide to Schema Markup for Beginners
Schema markup helps search engines understand your content and display rich results. Learn what structured data is, which schema types matter, and how to add it to your site.
How to Test Website Speed and Performance
Slow websites lose visitors and rankings. Here's how to test your site speed, interpret the results, and fix the most common performance bottlenecks — using free tools.
What Is a CDN and Why Your Site Needs One
A CDN speeds up your site, protects against traffic spikes, and improves global performance. Here's how content delivery networks work and why every website should use one.
Free SEO Tools That Actually Work (No Credit Card Required)
You don't need expensive SEO subscriptions to improve your site's rankings. Here are free tools for keyword research, technical audits, link analysis, and performance checks — all without signing up.
A Complete Guide to Understanding HTTP Status Codes
HTTP status codes tell you exactly what's happening between a browser and a server. Learn what every class of status code means, which ones matter for SEO, and how to find broken pages on your site.
How I Took a Client's Site From 5MB to 400KB With the Image Toolkit
A client's photography portfolio loaded painfully slow. Three rounds of compression with the Image Toolkit dropped total page weight by 92%. Here's exactly what settings I used.
How to Check Your SSL Certificate (And Why You Should Care)
A valid SSL certificate keeps your site secure and your visitors trusting. Learn how to check SSL certificates, understand the details, and troubleshoot common issues — all with free tools.
I Tested 3 VPNs With Our VPN Check Tool — Here's What Got Detected
Ran NordVPN, ProtonVPN, and a lesser-known provider through our VPN detection tool. Two were flagged immediately. One wasn't. Here's what that means for your privacy.
How to Use IP Compare and IP Lookup for Network Troubleshooting
Need to analyze multiple IP addresses? Learn how to use IP Compare for side-by-side analysis and IP Lookup for detailed single-address checks — perfect for network audits, server monitoring, and security reviews.
How to Compress Images for the Web Without Losing Quality
Large images slow down your site and frustrate visitors. Learn how to compress, convert, and resize images for the web using free in-browser tools — no uploads, no sign-up.
PNG vs JPEG vs WebP: Which Image Format Should You Use?
JPEG, PNG, and WebP each have distinct strengths. Learn the differences in compression, quality, transparency, and browser support so you can choose the right format for every image on your website.
Why My Page Link Analyzer Doesn't Work Like Ahrefs (And Why That's OK)
I built a free page link analyzer. It won't replace Ahrefs or Majestic. But for analyzing on-page links, spotting issues, risk scoring, and competitor research, it's surprisingly useful.
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.
I Built a Free SEO Analyzer — Here Are the 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.