SEO
Every article on the AldeaCode blog tagged with this topic.
Free SEO Tools You Can Use Without an Account (2026)
20+ free SEO tools that work in your browser without signup: slug generator, URL cleaner, contrast checker, alt text helper and more. No login, no upload.
Read article →Character Limits 2026: Twitter, LinkedIn, SEO Meta, SMS
Every character limit you need in 2026 for Twitter, LinkedIn, Instagram, SEO meta, SMS and push, plus a free counter that runs in your browser.
Read article →How to Write Good URL Slugs for SEO (2026 Guide)
Pick URL slugs that age well: strip accents, use hyphens not underscores, set a Unicode policy and avoid migrations that bleed link equity.
Read article →How WordPress, Ghost, Contentful and 6 More Generate Slugs
How nine CMS platforms turn titles into URL slugs: WordPress, Ghost, Contentful, Strapi, Webflow and more. Defaults, gotchas, migration tips.
Read article →llms.txt File: How to Set It Up (Astro, WordPress, Shopify)
What llms.txt is and how to add it to your site so ChatGPT, Claude, and Perplexity can read it. Copy paste setup for Astro, WordPress, Shopify, Nginx.
Read article →Alt Text for SEO and Accessibility: 2026 Guide
How to write alt text Google ranks and screen readers understand. Plus width, height, srcset, and file naming rules that boost image SEO.
Read article →Hreflang and Canonical Tags Explained (with Examples)
How hreflang and canonical tags work together for international SEO. Code examples, reciprocity rules, and the small mistakes that break rankings.
Read article →Does HTTPS Affect SEO? Security Signals Google Uses
How HTTPS, security headers, and certificate health affect Google rankings in 2026. What to fix first, what is overrated, and how to test it.
Read article →Semantic HTML for SEO: Headings, Landmarks, Tags
How semantic HTML helps Google rank your page. Headings, landmarks, and content tags explained, with a quick checklist to audit your site.
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