Google Search Operators: Complete List for SEO Research
What Are Google Search Operators
Google search operators are special commands added directly to a Google search that filter or modify the results. You type them in the search bar the same way you type a normal query — there is no separate interface. Operators narrow what Google returns: limiting results to a specific domain, requiring a keyword in the URL, excluding certain sites, or restricting results to a specific file type.
Not all operators work 100% of the time. Google has deprecated some operators over the years and others behave inconsistently depending on the query, the index state, and Google's internal result algorithms. Treat operators as powerful approximations rather than exact filters — they surface patterns and reveal information that is impossible to see with standard searches, even if they occasionally miss results or return unexpected noise.
For SEO research, operators are essential. They let you check which pages are indexed, audit competitor content coverage, find link-building opportunities, identify technical issues with URL patterns, and reverse-engineer what is ranking — all without paying for a dedicated tool.
site: — Find All Indexed Pages
The site: operator returns all pages Google has indexed for a specific domain or subdirectory. Syntax: site:example.com. To limit results to a specific section: site:example.com/blog/. To check whether one specific page is indexed: site:example.com/specific-page.
Compare the site: count to your actual published page count. If Google shows significantly fewer pages than you have published, you have indexing problems worth investigating — crawl blocks, noindex directives, thin content being excluded, or pages not being discovered. If Google shows significantly more pages than you expect, you may have unwanted URLs being indexed (parameter URLs, pagination, staging content).
Treat site: results as approximate. The number shown by Google is a rough estimate and changes frequently. For precise indexing data, use Google Search Console's Coverage report, which is more accurate. Use site: for quick spot checks and directional estimates, not for exact counts.
inurl: and allinurl:
inurl:keyword returns pages where the specified keyword appears in the URL. allinurl:keyword1 keyword2 requires both keywords to appear in the URL — useful for finding very specific URL patterns.
SEO use cases for inurl: include finding competitor URLs targeting a specific keyword (inurl:sitemap-checker shows which sites have "sitemap-checker" in their URL slug), identifying resource pages for link prospecting (inurl:resources inurl:links site:example.com), and discovering parameter URL patterns on your own site that should be blocked in robots.txt.
Combining inurl: with site: is especially powerful for auditing your own URL structure: site:yoursite.com inurl:?sort= reveals all indexed parameter URLs with that pattern, helping you identify what to canonicalize or disallow.
intitle: and allintitle:
intitle:keyword returns pages where the keyword appears in the HTML title tag. allintitle:keyword1 keyword2 requires all specified words to appear in the title. For exact phrase matching in the title, combine with quotes: allintitle:"sitemap checker".
The primary SEO use case for allintitle: is competitive analysis. The number of results returned by allintitle:"your target keyword" gives you a rough indication of how many pages are directly competing with that exact title approach. A lower count means less direct competition for that specific title phrasing — useful when evaluating how to differentiate your title from existing results.
Use intitle: combined with site: to audit your own site for title patterns: intitle:"404" site:yoursite.com can surface pages where a 404 message appears in the title tag — a sign that error pages are being indexed.
"Exact Match" Quotes
Wrapping a phrase in quotation marks forces Google to return results containing that exact phrase in that exact order: "how to fix sitemap errors". Without quotes, Google returns pages containing all the words but not necessarily adjacent or in that order.
Exact match searches have several practical SEO uses. For content originality checks: search for distinctive sentences from your content wrapped in quotes to find if other sites have copied or syndicated your text. For guest post prospecting: "write for us" your-niche-keyword surfaces sites in your niche that explicitly invite guest contributions using that stock phrase. For competitor syndication research: search a headline or opening sentence from a competitor's article to see if it appears across multiple sites — which can reveal content partnerships and link networks.
Minus Sign — Exclude Terms
The minus operator excludes results containing a specific word or matching a specific operator: keyword -excluded_term. A particularly useful form: keyword -site:domain.com excludes an entire domain from results.
For competitive research without the noise of the major players: sitemap tools -semrush -ahrefs -moz shows results that are not dominated by the largest SEO platforms — useful for finding smaller niche tools and content opportunities. Exclude your own domain to see how the SERP looks from a competitor's perspective: sitemap checker -site:yoursite.com.
Minus can also be combined with inurl: to filter out specific URL patterns: searching for a keyword but excluding results with "forum" in the URL helps remove community discussion threads when you want editorial content only.
OR and Grouping
The OR operator (must be uppercase) returns results containing either of two terms: keyword1 OR keyword2. Use parentheses to group alternatives and combine with other operators: (keyword1 OR keyword2) site:example.com.
OR is especially useful for link prospecting across multiple related terms at once. To find resource pages in your niche that might link to your tool: ("resources" OR "useful tools" OR "recommended links") sitemap seo surfaces pages that collect link lists in your topic area.
For competitive research across a product category, (sitemap checker OR sitemap generator OR sitemap tool) review returns review content covering any of those product types — useful for identifying review sites where you could earn a mention or listing.
filetype: and ext:
filetype:pdf restricts results to a specific file type. Supported formats include pdf, doc, docx, xls, xlsx, ppt, and csv. The ext: operator is an alias for filetype: and works identically.
For content research: filetype:pdf technical seo audit surfaces PDF guides and whitepapers on the topic — useful for finding downloadable assets that attract links, which you can then create a better version of (the Skyscraper approach applied to PDFs). For competitor asset research: filetype:pdf site:competitor.com reveals all indexed PDFs on a competitor's domain.
Data files are particularly valuable: filetype:csv seo industry statistics can surface raw data files published by research organizations, which can serve as primary sources for data-driven content that earns links.
related: and cache:
related:example.com shows websites Google considers similar to the specified domain — based on topic relevance, link overlap, and audience signals. For SEO, this is a fast way to find competitor sites you may not have been aware of and to identify sites in your niche for link prospecting.
cache:example.com shows Google's cached version of a page — a snapshot of what Google last saw when it crawled the URL. This is useful for checking whether Google has recently crawled a page and whether it is seeing the current version of your content or an outdated one. Note that the cache operator has become increasingly unreliable in recent years; Google has been phasing it out, and it frequently returns errors or empty results even for well-indexed pages.
Combining Operators for Power Searches
The real power of Google search operators comes from combining them. Most operators can be combined by placing them side by side in the search bar. Avoid combining more than three or four operators at once — Google may silently ignore some when too many are stacked together.
Useful combinations for SEO research:
site:competitor.com intitle:keyword — check whether a competitor has published content targeting a specific keyword by looking for it in their title tags. A result means they have a page for it; no result means a potential gap you can exploit.
"write for us" niche-keyword — find guest post opportunities in your niche. The exact phrase "write for us" appears on submission pages, and adding your niche term filters for relevance.
inurl:resources -inurl:blog site:niche-domain.com — find resource pages (not blog posts) on sites in your niche, which are prime targets for link outreach.
site:yoursite.com -site:yoursite.com/blog keyword — find non-blog pages on your own site that cover a topic, useful for identifying where internal links to a new post should point. Build operator combinations to match your specific research goal — the patterns above are starting points, not fixed recipes.