SEO Glossary
What is Meta Tags?
Meta tags are snippets of HTML code in a page's <head> section that provide metadata about the page to search engines and browsers. They are not visible on the page itself but influence how search engines index and display your content in results.
Meta tags are a foundational on-page SEO element. Properly configured meta tags improve your search visibility, click-through rates, and social sharing appearance.
1
Most important meta tags for SEO
Title Tag (<title>) - The single most important on-page SEO element. It appears as the clickable headline in search results.
• Keep under 60 characters
• Include your primary keyword near the beginning
• Make it compelling and unique for each page
• Include your brand name (usually at the end)
Meta Description (<meta name="description">) - The snippet shown under the title in search results.
• Keep under 160 characters
• Include a clear value proposition and call-to-action
• Include primary keyword (Google will bold matching terms)
• Not a direct ranking factor, but affects click-through rate
Meta Robots (<meta name="robots">) - Controls how search engines handle the page.
• index/noindex - Whether to include in search results
• follow/nofollow - Whether to follow links on the page
• noarchive - Prevent cached version display
• nosnippet - Prevent snippet display in results
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Technical meta tags
• Viewport (<meta name="viewport">) - Essential for mobile responsiveness. Standard: content="width=device-width, initial-scale=1"
• Charset (<meta charset="UTF-8">) - Specifies character encoding
• Canonical (<link rel="canonical">) - Technically a link element, not a meta tag, but serves a similar purpose - specifies the preferred URL to prevent duplicate content issues
• Hreflang (<link rel="alternate" hreflang="x">) - Specifies language and regional targeting for multilingual sites
• Content-Type - Specifies MIME type and character set
4
Meta tag best practices
1. Every page should have a unique title tag and meta description
2. Title tags should be 50-60 characters with the primary keyword
3. Meta descriptions should be 120-160 characters with a clear CTA
4. Use meta robots noindex for pages that should not appear in search (admin, thank-you pages)
5. Include Open Graph tags on every page for social sharing
6. Set viewport meta tag for mobile responsiveness
7. Use canonical tags on every page to prevent duplicate content
8. Do not keyword-stuff meta tags - write for humans
9. Test social meta tags with Facebook's debugger and Twitter's card validator
10. Monitor click-through rates in Search Console - if CTR is low, test new title/description combinations
FAQ
Frequently asked questions
Do meta keywords still matter?
No. Google has not used the meta keywords tag as a ranking signal since 2009. It is safe to omit entirely. Bing may still use it as a minor signal, but it is not worth optimizing for.
Can Google rewrite my title tag?
Yes. Google may generate its own title for your search listing if it determines the original title tag is not optimal for a given query. You can reduce this by writing clear, relevant, appropriately-lengthed title tags.
Do meta descriptions affect rankings?
Not directly. Meta descriptions are not a ranking factor. However, they heavily influence click-through rates, which can indirectly impact rankings through engagement signals.
Related Terms
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Social meta tags