URL Structure Checker

Check your page URL for length, case, special characters, non-ASCII characters, and other issues

Check Results

This only checks URL structure. For a comprehensive analysis, use the full page check.

You can also audit your entire site. Duplicate titles and descriptions, orphan pages, broken links between sections, and other site-wide issues can only be found with a full site audit.

If you don't have an SEO specialist, we can help fix the errors found.

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What Is an SEO-Friendly URL

An SEO-friendly URL is a page address that is clear to both users and search engines. A good URL is short, readable, contains keywords, and isn't overloaded with parameters. Search bots use URLs as one of the signals to determine page topic, so URL structure directly affects rankings.

Key Rules for Optimal URLs

  • Length — recommended URL length is no more than 75-120 characters. URLs that are too long get truncated in search results and are harder for users to process
  • Lowercase — use only lowercase letters. Servers may treat /Page and /page as different pages, leading to content duplication
  • Hyphens over underscores — Google recommends using hyphens (-) to separate words. Underscores (_) are not treated as separators and merge words into one token
  • ASCII characters — non-ASCII characters in URLs get percent-encoded, making addresses unreadable when copied. Use plain English words: /url-check instead of encoded characters
  • No special characters — avoid spaces, semicolons, commas, and other special characters. Only Latin letters, numbers, and hyphens are acceptable

Structure and Nesting

Optimal URL structure reflects site hierarchy. For example, /catalog/phones/iphone-15 shows the path from category to product. However, avoid excessive nesting — more than 3-4 levels complicates navigation and reduces page authority. A flat URL structure (/iphone-15) simplifies indexing and improves click-through rate in search results.

Common URL Mistakes

  • Dynamic parameters — URLs like /product?id=123&cat=5 are less informative than clean URLs (/catalog/product-name)
  • Double slashes — double slashes // in the path create page duplicates and confuse search bots
  • Inconsistent trailing slash — important to choose one format (with or without slash) and set up a redirect for the other
  • IDs and hashes in URLs — meaningless identifiers (/post/5f3a2b) give users and search engines no information about page content

URLs and Indexing

Well-structured URLs get indexed faster by search engines. Google favors short, readable addresses with keywords. Additionally, readable URLs improve CTR in search results — users are more likely to click a link when they see a meaningful address rather than a string of characters.

Frequently Asked Questions

Why are hyphens better than underscores in URLs?
Google officially recommends using hyphens to separate words in URLs. A hyphen is treated as a space between words, while an underscore merges words into one token. For example, seo-audit is recognized as two words "seo" and "audit," while seo_audit is treated as one word "seoaudit." This affects page relevance for individual keyword queries.
Can non-ASCII characters be used in URLs?
Technically yes, but it's not recommended. When copied, non-ASCII URLs get percent-encoded (e.g., %D0%BF%D1%80%D0%BE%D0%B2%D0%B5%D1%80%D0%BA%D0%B0), making them unreadable and very long. Such links are inconvenient to paste in emails, messengers, and social media. It's better to use plain English words in URLs.
What is the optimal URL length for SEO?
Recommended URL length is up to 75-120 characters. Studies show shorter URLs get more clicks in search results. Google can index URLs up to 2048 characters long, but in practice, long URLs get truncated in snippets and lose informativeness. Try to include only meaningful keywords in the URL, removing prepositions and function words.

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