On-Page SEO articles
On-Page SEO articles from the SpiderHead blog.
Required Website Pages
Which pages every website must have and how About and Contact pages affect Google's E-E-A-T — with a checklist and Schema.org markup examples.
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On-page SEO: a complete guide to page optimization
How to improve content, headings, links and metadata as a coherent system rather than a checklist of isolated ranking tricks.
Featured snippets: how to rank in position zero
How featured snippets work, which page formats can answer a query clearly, and why eligibility never guarantees a SERP placement.
Image SEO: alt text, formats, compression, and lazy load
How image files, alt text, responsive markup and performance work together so images remain useful and discoverable to search.
Keyword cannibalization: how to find and fix it
How to detect pages competing for the same query, decide whether to differentiate, consolidate or redirect them, and measure the result.
Open Graph and Twitter Cards: complete guide
How Open Graph metadata controls link previews, how it differs from Google snippets, and how to validate titles, images and descriptions.
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HTML heading structure H1–H6: complete guide for SEO
H1–H6 is the semantic hierarchy of a document, not just font size. How to build the right heading structure for SEO, readability and accessibility.
Meta Description: what it is and how to write it
What meta description is, how it affects CTR in search results, how to add the tag in HTML and popular CMS platforms — with templates and examples.
H1 tag: how to write it right — complete guide
How to use one clear H1 to identify a page’s main topic, avoid template conflicts and keep it consistent with visible content.
Title tag: complete guide
How Google creates title links, how to spot duplicates, and how to write clear page titles without promising a CTR uplift.