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Title, Description, and H1–H6: A Complete Tag Guide
What are title tags, meta descriptions, and H1–H6 in SEO: optimal lengths, writing rules, common mistakes, and a…
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SEO Specialist
SEO specialist is one of the most in-demand digital roles. In this section: what an SEO specialist is and does, which skills and tools you need, and how to start the career. Written by Spilno Agency practitioners.
Need results rather than training? Start with a free audit from our team.
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Core Web Vitals: What They Are and How They Affect SEO in 2026
Core Web Vitals in 2026: what LCP, INP, and CLS measure, why they are a Google ranking factor,…
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Internal Linking: What It Is and How It Affects SEO in 2026
What is internal linking in SEO? Learn how to build an internal link structure that boosts rankings, helps…
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Canonical Tag: What It Is and How It Affects SEO in 2026
What is a canonical tag in SEO: how rel=canonical works, when to use it, common mistakes to avoid,…
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Hreflang Tag: What It Is and How to Implement It Correctly in 2026
What is the hreflang tag and how does it affect SEO? Step-by-step guide to implementing hreflang in HTML,…
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Core SEO KPIs to Track During Website Optimization
Complete list of SEO KPIs to measure during optimization: organic traffic, keyword rankings, CTR, Core Web Vitals, Domain…
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E-commerce SEO Strategies: The Complete Guide
All ecommerce SEO strategies in one guide: technical SEO, on-page optimization, category & product page SEO, link building,…
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Keyword Cannibalization: What It Is and How to Fix It
What is keyword cannibalization in SEO? Learn how to identify it using Google Search Console and Ahrefs, and…
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sitemap.xml — What It Is and Why You Need It
sitemap.xml explained: what it is, why it matters, how to create one and submit it to Google Search…