No fluff. Just the stuff that's breaking your site.
Practical SEO guides for developers. Real bugs, real fixes, ship-ready answers.
- read →SEOCore Web VitalsPerformanceTutorial· 6 min read
Why Your Core Web Vitals Won't Improve (Even at Lighthouse 95)
Lighthouse says 95 but Search Console still says Poor? Lab and field data are different measurements. Here's how to fix the page-level LCP, CLS, and TTFB causes.
- read →SecuritySSLHTTPSTutorial· 8 min read
An Expired SSL Certificate Takes Your Whole Site Down at Once
An expired or untrusted TLS certificate is a full-screen interstitial almost nobody clicks past. The four certificate properties to monitor, and why your browser lies to you.
- read →SEORedirectsCore Web VitalsTutorial· 7 min read
Redirect Chains and SEO: The Ranking Signal Leaking Out of Your 302s
A redirect that works in the browser can still leak rankings and speed. 301 vs 302, why every hop costs a round trip, and how to collapse chains to one canonical hop.
- read →SEOStructured DataSchemaTutorial· 8 min read
Why Your Structured Data Shows No Rich Result (Even Though It's Valid)
Valid JSON-LD but no rich result? Structured data fails silently: one missing required field disqualifies the whole block. How to catch the silent disqualifiers first.
- read →SEOCrawl BudgetBroken LinksTutorial· 6 min read
Broken Links and SEO: Why a 200 OK Is Worse Than a 404
A real 404 is fine; a broken link that returns 200 OK is the one that hurts. How broken internal links and soft 404s leak crawl budget and ranking signal, and when to scan.
- read →SecurityHeadersDeveloper ToolsTutorial· 9 min read
Security Headers: The Cheapest Web Hardening You'll Ever Ship
The HTTP security headers that actually matter (CSP, HSTS, and the rest): what each one defends against, and exactly how to set them in Next.js, nginx, and at the CDN.
- read →SEOCanonical TagsIndexingTutorial· 7 min read
Canonical Tag Mistakes That Quietly Deindex Your Pages
A canonical tag is a hint, not a command. The canonical mistakes that deindex pages or split ranking signals, and how to catch them in your HTML before Google does.
- read →SEOAI CrawlersCloudflareTutorial· 10 min read
Why ChatGPT Can't Find Your Site (Even Though robots.txt Says It Can)
Most "AI crawler" tools only parse robots.txt — but that's not where the blocking actually happens in 2026. The three failure modes that hide AI visibility from developers, and how to test them in 30 seconds.
- read →SEOMeta TagsTutorial· 7 min read
How to Write Meta Tags That Actually Improve Your SEO
Every meta tag that matters for SEO — title, description, canonical, robots, viewport, Open Graph, and Twitter Cards — with HTML and Next.js code examples.
- read →SEORobots.txtTesting· 7 min read
robots.txt Testing Guide: How to Test Before You Deploy
How to test your robots.txt locally, catch common syntax pitfalls, and validate rules before deploying to production.
- read →SEOTutorialWebsite Audit· 8 min read
How to Audit Your Website for SEO (Step-by-Step)
A systematic, step-by-step guide to auditing your website for SEO issues — from indexability and meta tags to Core Web Vitals and structured data.
- read →SEOToolsComparison· 7 min read
Best Website Audit Tools in 2026 (Honest Comparison)
An honest comparison of LintPage, Semrush, Ahrefs, SEOptimer, and Google Lighthouse — what each tool does best and where it falls short.
- read →SEORobots.txt· 8 min read
How robots.txt Can Destroy Your Traffic in 30 Seconds
Two lines of text in your robots.txt can make your entire site invisible to Google. Here's how it happens and how to prevent it.
- read →SEOChecklistDeveloper Tools· 8 min read
Pre-Launch SEO Checklist for Developers (2026)
Every SEO check you should run before pushing to production - organized by priority from critical blockers to competitive advantages.
- read →SEOLaunchChecklist· 7 min read
The 5 SEO Mistakes That Kill Your Site on Launch Day
Your site looks perfect but Google can't find it. These five invisible SEO mistakes silently block indexing, rankings, and traffic on launch day.
- read →SEOAccessibilityHeadings· 6 min read
Heading Structure Mistakes That Confuse Google and Screen Readers
Bad heading hierarchy hurts both SEO and accessibility. The five most common mistakes and how to fix them.
- read →SEOSitemap· 7 min read
Your Sitemap Is Probably Broken. Here's How to Fix It
Most sitemaps silently break over time - dead URLs, invalid XML, missing pages. Learn how to build and maintain one that actually works.
- read →SEOOpen GraphSocial Media· 7 min read
Open Graph Tags: What Happens When You Skip Them
Your links look terrible when shared on social media without OG tags. Here's how to set them up correctly for every platform.
- read →SEOMeta Tags· 6 min read
5 Meta Tag Mistakes That Silently Kill Your SEO
The most common meta tag mistakes that quietly tank your search rankings - and how to fix each one before your next deploy.
- read →SEORobots.txt· 7 min read
How to Write a robots.txt That Doesn't Block Google
A practical guide to writing, testing, and deploying a robots.txt file that helps search engines crawl your site instead of blocking them.
- read →Incident ReportSEOPost-Mortem· 8 min read
A Single Line of HTML Cost Us 47 Days of Organic Traffic
How a noindex meta tag shipped to production unnoticed for 47 days, wiped out 90% of organic traffic, and led us to build LintPage.