GLOSSARY
Search Marketing FAQ
Concise answers to the most common questions relevant to SEO, GEO, CRO, and PPC. Filter by discipline, platform, and topic. Cortex references its corpus of platform-published best practices to draft each answer, with citations linking back to the source documents.
Showing 73-96 of 1947 questions
How many internal links should a page have?SEOInternal LinkingOn-Page Optimization+
There is no fixed number - use as many internal links as are genuinely helpful to the reader. Prioritize linking to related content that deepens the user's understanding or moves them toward conversion. Every important page on your site should receive internal links from contextually relevant pages across the site.
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How do I optimize images for SEO?SEOBingOn-Page OptimizationImage Optimization+
Use descriptive file names with keywords (e.g., "blue-running-shoes.jpg"), write specific ALT text describing the image content, compress files for fast loading, serve modern formats like WebP or AVIF, specify width and height attributes to prevent layout shift, and use lazy loading for images below the fold.
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What is ALT text and how do I write it correctly?SEOOn-Page OptimizationImage OptimizationAccessibility+
ALT text is an HTML attribute that describes an image's content for screen readers and search engines. Write it as a concise, specific description of what the image shows. Include relevant keywords naturally when appropriate, but avoid stuffing. Good ALT text serves accessibility first and SEO second - both benefit.
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Does image file name matter for SEO?SEOOn-Page Optimization+
Yes. Search engines read image file names as relevance signals. Rename files to be descriptive and keyword-relevant before uploading - "stainless-steel-french-press.jpg" is far more useful than "IMG_4829.jpg." Use lowercase letters and hyphens to separate words. This small step compounds across hundreds of images to strengthen overall image search visibility.
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What image formats are best for SEO and page speed?SEOPage Speed / Core Web VitalsOn-Page OptimizationImage Optimization+
WebP offers the best balance of quality and compression for most use cases. AVIF provides even smaller file sizes but has less browser support. Use SVG for icons and logos. JPEG remains solid for photographs. PNG works for images requiring transparency. Prioritize next-gen formats for the largest page speed gains.
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How long should my content be for SEO?SEOOn-Page Optimization+
Content should be as long as needed to thoroughly answer the query - no longer. Analyze the top-ranking pages for your target keyword to benchmark expected depth. Some queries need 500 words; others require 3,000. Padding content with filler to hit a word count hurts quality and user engagement signals.
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What is keyword density and does it still matter?SEOOn-Page Optimization+
Keyword density is the percentage of times a keyword appears relative to total word count. It does not matter as a specific metric - Google's NLP models understand semantic meaning far beyond exact-match frequency. Write naturally, include your keyword where it fits organically, and focus on topical depth over repetition.
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Where should I place my target keywords on a page?SEOOn-Page OptimizationImage Optimization+
Include your primary keyword in the title tag, H1, first 100 words, URL, and meta description. Use it and variations naturally throughout the body content, in subheadings where relevant, and in image ALT text. Placement should feel organic - forced repetition signals keyword stuffing and degrades both readability and rankings.
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What is content freshness and does Google reward updated content?SEOGoogleOn-Page Optimization+
Content freshness refers to how recently a page was published or meaningfully updated. Google rewards freshness for queries where timeliness matters - news, trends, statistics, and evolving topics. Updating outdated content with new data, examples, and improved depth can restore declining rankings without requiring an entirely new page.
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What is thin content and how do I fix it?SEOOn-Page Optimization+
Thin content is pages offering little to no unique value - short stubs, duplicate text, auto-generated pages, or content that fails to address the topic meaningfully. Fix it by expanding pages with original analysis, data, and depth, consolidating similar thin pages into one comprehensive resource, or removing pages with no purpose.
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What is duplicate content and how does it hurt SEO?SEOGoogleCrawl EfficiencyOn-Page OptimizationCanonical Tags+
Duplicate content is substantially identical text appearing on multiple URLs, either within your site or across different sites. It wastes crawl budget, splits ranking signals between competing URLs, and confuses Google about which version to index. Fix it with canonical tags, 301 redirects, or content consolidation to resolve ambiguity.
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What is a canonical tag and when should I use one?SEOOn-Page OptimizationCanonical Tags+
A canonical tag is an HTML element that tells search engines which URL is the preferred version when duplicate or near-duplicate content exists across multiple URLs. Use it on paginated series, filtered product pages, syndicated content, and any situation where the same content is accessible through more than one URL.
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How do I optimize a page for featured snippets?SEOOn-Page OptimizationSERP Features+
Identify keywords where a featured snippet already appears, then structure your content to answer the query directly in 40 to 60 words within a paragraph, list, or table immediately following a relevant heading. Use the exact question as an H2 or H3, then provide a concise, authoritative answer directly below.
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What is above-the-fold content and does it matter for SEO?SEOAd CreativeOn-Page Optimization+
Above-the-fold content is what users see before scrolling. It matters because Google's algorithms evaluate whether the initial viewport delivers value or is dominated by ads and navigation. Ensure your primary headline, introductory content, and a clear value proposition are immediately visible when the page loads on both desktop and mobile.
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Should I use exact-match keywords or variations in my content?SEOOn-Page Optimization+
Use both. Include the exact-match keyword in high-priority positions like the title tag, H1, and first paragraph, then use natural variations, synonyms, and related phrases throughout the body. Google's NLP models understand semantic equivalence, so variation strengthens topical relevance while keeping content readable and avoiding keyword stuffing signals.
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How do I optimize anchor text for internal links?SEOLink BuildingInternal LinkingOn-Page Optimization+
Use descriptive anchor text that tells both users and search engines what the linked page is about. Include relevant keywords naturally rather than using generic phrases like "click here." Vary your anchor text across different linking pages to avoid over-optimization patterns and maintain a natural internal link profile.
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What is content siloing and how does it help on-page SEO?SEOContent StrategyInternal LinkingOn-Page Optimization+
Content siloing groups related pages into tightly themed sections connected by internal links, with minimal cross-linking between unrelated topics. This creates clear topical hierarchies that help search engines understand your site's subject matter structure. Silos reinforce topical authority by concentrating relevance signals within each thematic section of your site.
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How do I handle pagination for SEO (rel=next/prev)?SEOGoogleIndexingInternal LinkingOn-Page Optimization+
Google no longer uses rel=next/prev as an indexing signal, but pagination still matters structurally. Ensure each paginated page is indexable and internally linked sequentially. Include a "view all" page if feasible. Avoid noindexing paginated pages unless they offer no unique value - some contain important crawl paths and link equity.
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What are breadcrumbs and how do they help SEO?SEOStructured Data / SchemaSite ArchitectureOn-Page OptimizationSERP Features+
Breadcrumbs are navigational links showing a page's position within the site hierarchy, such as Home > Shoes > Running > Trail Running. They improve user experience by providing clear navigation paths, help search engines understand site structure, and can appear as rich results in SERPs when implemented with BreadcrumbList schema markup.
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Should I use tables, bullet points, and lists in my content for SEO?SEOGoogleOn-Page OptimizationSERP Features+
Yes. Structured formatting improves readability, reduces bounce rate, and increases your chances of earning featured snippets - Google frequently pulls list and table content into snippet boxes. Use them to break down complex information, comparisons, and step-by-step processes. Format should always serve clarity and user experience rather than SEO manipulation.
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How do I optimize a blog post for SEO before publishing?SEOContent StrategyPage Speed / Core Web VitalsInternal LinkingOn-Page OptimizationImage Optimization+
Confirm target keyword placement in the title tag, H1, URL, first paragraph, and meta description. Verify header structure uses a logical H2/H3 hierarchy. Add internal links to related content. Optimize images with descriptive ALT text and compression. Review content depth against top-ranking competitors. Check mobile rendering and page speed.
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Does word count directly affect Google rankings?SEOGoogleOn-Page Optimization+
No. Google does not use word count as a ranking factor. Correlation studies showing longer content ranks higher reflect that comprehensive coverage satisfies intent better, not that word count itself moves rankings. A 600-word page that perfectly answers a query will outrank a 3,000-word page filled with filler content.
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How do I prevent keyword stuffing while still optimizing my content?SEOOn-Page Optimization+
Write for the reader first. Use your primary keyword in key positions - title, H1, URL, first paragraph - then let variations and semantic synonyms appear naturally throughout. Read the content aloud; if the keyword repetition sounds forced or unnatural, it likely triggers Google's spam detection. Aim for clarity over frequency.
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What is the ideal URL length for SEO?SEOOn-Page Optimization+
Keep URLs under 60 characters when possible, excluding the domain. Shorter URLs are easier for users to read, share, and remember, and they perform slightly better in click-through rate studies. Remove unnecessary words like "and," "the," and "of." Every word in the URL should carry keyword or structural meaning.
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