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Open Graph Image Sizes and Dimensions: The Complete 2026 Guide

When you paste a link into Slack, X, or iMessage and it unfurls into a rich card with a big image, that image comes from your page's Open Graph tags. …

webdevjavascriptseohtml
Dev.to Jun 16, 2026, 22:19 UTC
EN

I built a free SEO + AI-search (GEO) audit tool — no signup, no limits

I kept hitting the same wall: every SEO tool either paywalls the useful parts or caps you at a few pages. So I built a free one — freeseoaudit.vercel.…

seoaiwebdevshowdev
Dev.to Jun 15, 2026, 05:11 UTC
EN

What We Learned Building a Coffee Brand Website for International Buyers

Recently, we worked on a website project for an Indonesian specialty coffee brand called Dayati Coffee. At first glance, it looked like a fairly stand…

webdevwebdesignseo
Dev.to Jun 14, 2026, 17:35 UTC
EN

I built an SEO-first internet radio site — and learned why `curl` can't validate audio streams

I recently built Radio Balkan — a single-page web player that puts 750+ Balkan radio stations in one place: no ads, no sign-up, no cookie banners. It'…

webdevjavascriptsupabaseseo
Dev.to Jun 13, 2026, 21:18 UTC
EN

Magento AI Brand Visibility: Does ChatGPT Recommend Your Store?

Note: set published: true when you're ready. The canonical_url above tells Google the original lives on angeo.dev, so this cross-post won't compete wi…

magentoaiseophp
Dev.to Jun 13, 2026, 07:17 UTC
EN

The Cloudflare toggle that's blocking your brand from ChatGPT

Originally published on the Brandswarm blog . We build Brandswarm . It's a SaaS that tracks how AI assistants describe your brand — ChatGPT, Claude, P…

seoaicloudflarewebdev
Dev.to Jun 10, 2026, 20:11 UTC
EN

I built an open-source CLI that tells you if ChatGPT cites your brand — and what to do about it

Your users have started asking ChatGPT and Perplexity instead of Google. So here is the uncomfortable question: when someone asks an AI engine "what i…

aeoopensourceaiseo
Dev.to Jun 10, 2026, 15:37 UTC
EN

Technical SEO: A Simple Introduction

You may have heard that there are three types of SEO: On-page SEO, Off-page SEO, and Technical SEO. However, there are only two types: On-page SEO and…

seoseofordeveloperstechnicalseo
Dev.to Jun 10, 2026, 11:19 UTC
EN

Technical SEO & Performance Strategies for Niche Beverage E-Commerce

Building Fast, Discoverable Online Stores for Wine & Beer Retailers If you're a developer building or optimizing e-commerce stores for specialty b…

ecommerceseowebdev
Dev.to Jun 10, 2026, 02:27 UTC
EN

Core Web Vitals Deep Dive: LCP, CLS, and INP Optimization for SaaS

Google's Core Web Vitals — LCP (Largest Contentful Paint), CLS (Cumulative Layout Shift), and INP (Interaction to Next Paint, replacing FID in 2024) —…

lcpseoclsinp
Dev.to Jun 9, 2026, 04:13 UTC
EN

How I Built a Free SEO Audit Tool with Next.js, Supabase, and Stripe in 1 Week

Last weekend I started building SiteGrade — a free instant SEO audit tool that gives any website an A–F letter grade and the top fixes ranked by impac…

nextjswebdevsaasseo
Dev.to Jun 8, 2026, 12:41 UTC
EN

How to Find and Fix 11 Common SEO Issues Using Chrome DevTools

Search engine optimization doesn't require expensive tools. Your browser's built-in developer tools can identify and diagnose most SEO problems in und…

webdevseobeginners
Dev.to Jun 7, 2026, 12:26 UTC
EN

Reciprocal hreflang in Astro, only when both languages exist

Astro 5's i18n routing handles URL generation and locale detection, but it doesn't emit <link rel="alternate" hreflang> for you. The naive fix —…

astroi18nseowebdev
Dev.to Jun 6, 2026, 10:12 UTC
EN

The Anatomy of a Machine's Mind - Decoding AEO, GEO

We are moving away from traditional "10 blue links" (where Google ranks a document) to a semantic synthesis model (where Google extracts the factual p…

aeogenerativeaiseo
Dev.to Jun 6, 2026, 07:10 UTC
EN

How I Fixed Canonical URLs Pointing to Localhost in Next.js

Next.js sites using process.env.SITE_URL || 'http://localhost:3000' as a canonical URL fallback will fail Google indexing entirely. The fix: one centr…

nextjsseowebdevdebugging
Dev.to Jun 5, 2026, 11:36 UTC
EN

How to Onboard a New Client for Performance Monitoring

You sold performance monitoring on the proposal, and the contract is signed. Now delivery has three days before someone asks why nothing is live yet. …

webdevwebperfseo
Dev.to Jun 4, 2026, 21:02 UTC
EN

How Localized Pages Helped My Random Chat Platform Reach 400K Monthly Google Search Clicks

A few years ago, if someone had told me that a small browser-based random chat platform could reach nearly 400,000 monthly Google Search clicks, I pro…

webdevseostartupgrowth
Dev.to Jun 4, 2026, 17:20 UTC
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How I Built a Website Audit Tool That Found 50+ Performance Issues My Client's "Fast" Site

Why a "Good" Lighthouse Score is Lying to You: A 53-Point Wake-Up Call A few weeks ago, a client came to WL Tech saying their site "felt slow." They h…

aiwebdevdevopsseo
Dev.to Jun 3, 2026, 09:35 UTC
EN

I Built a Free Website Audit That Gives Claude-Ready Fix Prompts (Here's the Tech Stack)

Every week there's a new "AI-powered website audit" tool. Most of them are Lighthouse wrappers that return the same generic advice: "Improve your page…

webdevaiseo
Dev.to Jun 3, 2026, 01:16 UTC
EN

Building a Decentralized Content Pipeline with Nostr & Astro

I recently deployed my fully decentralized content pipeline to kheai.com (you can check out the source code at github.com/kafechew/nostr-seo ). After …

nostrkheaiastroseo
Dev.to Jun 2, 2026, 07:36 UTC
EN

llms.txt and GEO in 2026: How to Get Your Site Cited by AI Search

llms.txt and GEO in 2026: How to Get Your Site Cited by AI Search If you have a few hours, spend them making your pages easy for a machine to read and…

seollmaiweb
Dev.to Jun 2, 2026, 01:22 UTC
EN

From 0 to 27K Search Impressions on a Developer Portfolio in 90 Days

I rebuilt my portfolio site earlier this year. Three months later, Google Search Console showed 27,000 impressions and 46 clicks. Not viral numbers, b…

nextjsvercelseojsonld
Dev.to May 31, 2026, 09:31 UTC
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Font Subsetting for Web Performance: 4 Tools to Reduce Font File Size and Improve LCP

In web development, every millisecond on the critical path matters. Typography is part of your visual identity, yet a single self-hosted family can ad…

webdevwebperfseo
Dev.to May 29, 2026, 18:44 UTC
EN

From Reactive to Proactive: How Smart Alerts Change Performance Monitoring

An account manager forwarded us a Search Console screenshot at 4:47 p.m. on a Friday. LCP on the homepage had been in the red for eleven days. Enginee…

webdevwebperfseo
Dev.to May 29, 2026, 18:44 UTC
EN

Google changed the way it crawls our site - and exposed several Azure Front Door misconfigurations

Originally published at https://rnye.tech Hi all, today's post details an interesting problem that faced a website thanks to undocumented Google crawl…

azureseo
Dev.to May 29, 2026, 15:33 UTC
EN

How I Built a Free Backlink Intelligence Tool on Common Crawl + DuckDB

The problem Backlink data is a $1.5B/year SaaS category. Ahrefs is $129/month, SEMrush is $140/month, Moz is $99/month. As an indie I needed competito…

webdevseoduckdbopensource
Dev.to May 29, 2026, 09:32 UTC
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I Tested 7 SERP APIs in 2026 — Here's Who's Overpriced and Who's Actually Worth It

The search results data market is booming, but most APIs are still charging enterprise prices for what should be a commodity.** If you've ever built a…

aiseoapi
Dev.to May 29, 2026, 03:07 UTC
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TRM Grew ChatGPT Referrals 8,337% in 90 Days. I Copied Their 4 LLMO Pillars Onto 3 Indie Sites. Only 1 Moved the Needle.

When a US SEO agency called The Rank Masters published their 90-day case study showing an 8,337% lift in ChatGPT referrals , the headline did exactly …

llmogeoaiseo
Dev.to May 28, 2026, 22:00 UTC
EN

GEO for e-commerce: how I optimized a product page to appear in ChatGPT, Gemini and Perplexity answers

A step-by-step case study with before/after measurements Reading time: 20 min Last updated: February 2026 You invest time and money in SEO for your Pr…

geoseoecommercechatgpt
Dev.to May 28, 2026, 21:15 UTC
EN

I Vibe-Coded a Stock Screener Into Production. Then My 2GB Server OOMed and Google De-Indexed Me.

Series intro. I'm a non-CS solo dev who built and shipped a production stock screener almost entirely by "vibe coding" with an AI agent. The site work…

webdevpostmortemseoai
Dev.to May 27, 2026, 02:26 UTC

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