Are keywords in URLs really a negligible ranking factor?

What does "minor factor" really mean in Google's vocabulary?

Google uses the term "minor factor" without ever quantifying its actual weight in the algorithm. A signal can be minor on a global scale but crucial in low-competition niches or long-tail queries.

Mueller's statement reflects an underlying trend: Google publicly downplays easily manipulable on-page signals. Keyword-stuffed URLs are a prime example of outdated optimization, inherited from the 2000s-2010s, that the algorithm has learned to devalue in favor of stronger signals like content semantic relevance or behavioral signals.

Why does Google advocate for "memorable" URLs?

The argument for memorability leans more toward UX than pure SEO. A short, clear URL encourages organic sharing, branding, and reduces friction across multi-channel journeys. Google indirectly values these signals through direct traffic and brand mentions.

The search engine has historically encouraged clean URLs (without excessive dynamic parameters or unnecessary stop words) to facilitate crawling and indexing. However, memorability remains a subjective criterion: a URL like /services-seo-paris-agence-conseil/ is neither short nor elegant, even if technically "readable".

In what contexts does the URL maintain measurable influence?

Breadcrumbs generated from URLs appear in SERP: a consistent URL structure improves Google’s and the user’s understanding of the page context. It’s not the URL itself that ranks, but its ability to structure information and reinforce semantic hierarchy.

In local SEO or geolocated queries, a URL containing the city name can still play a role in contextual relevance, especially when title/meta tags lack clarity. It’s not the keyword in the URL that boosts, but the overall signal consistency.

• Google treats the URL as a weak signal compared to content, backlinks, and Core Web Vitals.
• Structured clean URLs assist crawling, breadcrumbs, and semantic understanding, without directly impacting ranking.
• Keyword stuffing in the URL (e.g. /seo-agence-seo-conseil-seo-paris/) is counterproductive and seen as spam.
• Memorability and branding take precedence over mechanical SEO optimization for URLs.
• In low-competition niches, a relevant keyword in the URL can still have a marginal impact.

Is this statement consistent with real-world observations?

Yes, in the majority of cases tested since the Core Updates post-2018. Sites that migrated from /exact-match-keyword/ structures to short, branded URLs did not observe a significant drop in organic traffic, provided that they maintained clean and consistent 301 redirects.

However, some e-commerce or high-volume media players continue to notice differences in CTR in SERP depending on whether the displayed URL contains the searched keyword. This isn't a ranking effect but a psychological effect on user clicks. Google does not make this distinction in its communication. [To be verified] with A/B tests on similar pages, as real-world feedback remains anecdotal.

What nuances should be made regarding Mueller's statement?

Mueller talks about a "minor factor", but Google publishes no numerical weighting. A minor signal at 1% of the total scoring can become decisive on queries where 10 results are equally relevant. The statement is true on average, misleading in low competition scenarios.

Another overlooked point: Google analyzes the URL in its overall context of coherence. A URL /services/seo/ with a title like "Plumber Paris" generates a semantic confusion signal that can be detrimental, regardless of the intrinsic weight of the keyword in the URL. It’s not that the URL matters little; it’s that it must not contradict the rest.

Finally, the question of exact match domains (EMDs) is glossed over. Google has devalued low-quality EMDs, but a relevant domain paired with solid content maintains a slight advantage in perceived authority, especially locally. Mueller only discusses internal URLs, not root domains.

In what cases does this rule not fully apply?

Multilingual or multi-regional sites often utilize URLs with translated slugs (/en/seo-services/, /fr/services-seo/). Here, the keyword in the URL reinforces the language and geographical relevance signal for Google. It’s not keyword stuffing; it’s i18n coherence.

In headless CMS or complex JS architectures, the URL sometimes remains the only immediately crawlable element for Google. If the content is generated client-side with latency, a descriptive URL can temporarily serve as a semantic proxy before complete rendering. It’s marginal but observable in detailed technical audits.

What should be done with existing URLs?

Do not alter a functioning URL structure unless you have a proven UX or technical issue: overly long URLs, excessive dynamic parameters, content duplication. Modifying URLs purely for cosmetic SEO is risky and rarely yields good ROI.

If you are creating a new site or section, prioritize short, readable, and consistent URLs with your hierarchy. Example: /blog/seo-technique/ instead of /blog/conseils-seo-technique-referencement-naturel-optimisation/. The redundancy of keywords adds nothing and unnecessarily burdens the URL.

What mistakes to avoid when redesigning URLs?

Never delete the 301 redirects from old URLs that have accumulated backlinks or historical traffic. Google retains memory of these signals even after a URL change. A 404 on a previously well-ranked page is a net loss of authority.

Avoid frequent URL changes on strategic pages. Google takes time to recrawl, reevaluate, and redistribute internal PageRank. Each URL modification partially resets this process, especially if crawl budget is limited.

Do not confuse clean URLs and generic URLs. /page-123/ is technically clean but semantically empty. The ideal is a short, descriptive slug: /audit-seo/ rather than /services/audit-complet-seo-referencement-naturel/.

How to verify that my URLs adhere to best practices?

Crawl your site with Screaming Frog or Oncrawl and extract the length of URLs, the presence of dynamic parameters, unnecessary stop words. Filter URLs longer than 100 characters and question their necessity.

Analyze your breadcrumbs in SERP via Search Console or a SERP scraper. If the displayed breadcrumbs do not match your logical structure, it is often due to poorly constructed URLs or missing schema markup.

• Audit the length and structure of existing URLs (tool: Screaming Frog, Sitebulb)
• Identify URLs with keyword stuffing or excessive dynamic parameters
• Ensure each URL has a 301 redirect if modified during migration
• Ensure that schema.org breadcrumbs are consistent with the URL hierarchy
• Test memorability: a URL should be readable aloud without ambiguity
• Avoid unnecessary stop words (the, a, of, for) unless there is strong semantic coherence