URL Slug Generator

What is a URL Slug?

A URL slug is the part of a web address that comes after the domain name and identifies a specific page in a human-readable format. For example, in https://example.com/how-to-increase-adsense-revenue, the slug is how-to-increase-adsense-revenue.

The term "slug" comes from newspaper publishing, where it referred to a short identifier for an article during production. In web development, it serves the same purpose — a concise, readable label for a page.

Why URL Slugs Matter for SEO

URL structure is a confirmed Google ranking factor, though a minor one. More importantly, well-crafted slugs improve user experience and click-through rates. Here's why they matter:

• Keywords in URLs — Google highlights matching keywords in the URL when they match the search query. This visual prominence increases CTR from search results.
• User trust — Clean, readable URLs look more trustworthy than long strings of numbers and parameters. Users are more likely to click on /best-seo-tools than /page?id=38291&cat=5.
• Sharing — Short, descriptive slugs look better when shared on social media, email, or messaging apps. They convey what the page is about before anyone clicks.
• Anchor text — When people link to your page using just the URL, a descriptive slug serves as implicit anchor text, giving search engines context about the page content.
• Site structure — Consistent slug formatting signals a well-organized site, which helps both search engines and users understand your content hierarchy.

URL Slug Best Practices

• Use lowercase letters only — URLs are case-sensitive on most servers. Using lowercase prevents duplicate content issues from /Page and /page being treated as different URLs.
• Use hyphens, not underscores — Google treats hyphens as word separators but treats underscores as word joiners. seo-tools = "seo tools" but seo_tools = "seotools" in Google's eyes. Always use hyphens.
• Keep it short — Aim for 3–5 words or under 60 characters. Shorter URLs are easier to remember, share, and display in search results. Google has stated that URLs over 1,000 characters may be problematic.
• Include the target keyword — Place your primary keyword in the slug. This is a minor ranking signal and helps users understand what the page is about.
• Remove stop words — Words like "a," "the," "in," "of," "and," "to" add length without SEO value. "how-to-increase-revenue" is better as "increase-revenue" if brevity is preferred.
• Avoid special characters — Remove punctuation, accented characters, and symbols. Stick to letters, numbers, and hyphens.
• Don't change slugs after publishing — Changing a URL after the page has been indexed and linked will break backlinks and require 301 redirects. Get the slug right before publishing.
• Avoid dates in slugs — /2026/03/seo-tips makes evergreen content look outdated. Use /seo-tips instead unless the content is genuinely date-specific.

Stop Words in URLs

Stop words are common words that search engines largely ignore: a, an, the, in, on, at, to, for, of, is, it, and, or, but, etc. Whether to remove them from slugs is a nuanced decision:

• Remove them when it makes the slug shorter without losing meaning. "how-to-fix-wordpress-errors" → "fix-wordpress-errors" is fine.
• Keep them when removing them changes the meaning or makes the slug unreadable. "the-art-of-war" should not become "art-war."
• Google's stance — Google's John Mueller has said stop words in URLs don't cause any problems. It's purely a readability and length consideration.

URL Slug Examples: Good vs. Bad

• Good: /adsense-revenue-tips — Short, descriptive, includes keyword.
• Bad: /how-to-increase-your-google-adsense-revenue-with-these-amazing-tips-2026 — Way too long.
• Good: /iphone-15-review — Concise, clear topic.
• Bad: /post?id=4829&category=tech&tag=phones — No readable words, just parameters.
• Good: /best-seo-tools — Clean, keyword-rich.
• Bad: /Best_SEO_Tools!!! — Mixed case, underscores, special characters.

Related SEO Tools

SERP Preview — Preview Google results | Meta Tag Generator — HTML meta tags | Keyword Density Checker — Content analysis

Frequently Asked Questions

What is a URL slug?

A URL slug is the last part of a URL that identifies a specific page, written in a human-readable format. For example, in https://example.com/seo-tips, the slug is seo-tips. Slugs should be lowercase, use hyphens to separate words, and include relevant keywords.

Should I use hyphens or underscores in URLs?

Always use hyphens (-). Google treats hyphens as word separators, meaning seo-tools is read as "seo tools." Underscores are treated as word joiners, so seo_tools is read as "seotools." This has been confirmed by Google's Matt Cutts and remains the standard recommendation.

How long should a URL slug be?

Ideally, a slug should be 3–5 words or under 60 characters. Shorter slugs are easier to share, remember, and display cleanly in search results. Google can handle very long URLs but shows preference for concise, descriptive ones.

Should I remove stop words from URL slugs?

It depends on readability. Removing stop words like "the," "a," "in," "to" can make slugs shorter without losing meaning. However, if removing them makes the slug confusing (e.g., "art-war" instead of "art-of-war"), keep them. Stop words in URLs don't negatively impact SEO.

Can I change a URL slug after publishing?

You can, but it's risky. Changing a slug breaks the old URL, losing any backlinks and social shares pointing to it. If you must change a slug, always set up a 301 redirect from the old URL to the new one. This passes approximately 90-99% of link equity to the new URL.

Do keywords in URLs help SEO?

Keywords in URLs are a minor ranking factor confirmed by Google. More importantly, keyword-rich URLs improve click-through rates because Google bolds matching keywords in the URL display. They also serve as descriptive anchor text when the raw URL is used as a link.