Stuart Gentle Publisher at Onrec 04 Jun 2026|Top 25 HR Tech Domains Cited by LLMsSearch has fundamentally changed. When an HR buyer asks ChatGPT "What is the best HRIS for a 200-person company?" or "Which ATS platforms integrate with Workday?", they are not clicking through ten blue links. They are reading a synthesized answer and that answer is built from a specific set of trusted sources. The websites that appear inside those AI-generated answers are not random. They are the result of a new kind of authority: citation share. Just as PageRank once determined who won in Google, citation share is quickly becoming the metric that determines who wins in AI-generated search. This report identifies the 25 domains that LLMs cite most often when responding to HR tech queries across ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews. It draws on a synthesis of over 5.7 million citations tracked between June 2025 and May 2026 across B2B SaaS and HR tech prompts, complemented by the Ahrefs Brand Radar (9.6M ChatGPT queries) and the Semrush LLM citation dataset (150K+ citations). More importantly, this report explains what these findings mean for HR tech companies and what concrete actions you should take to earn your place in AI-generated answers. Research Methodology The 25 domains in this report were selected by cross-referencing four major citation studies and filtering specifically for HR tech relevance: ➔ Goodie AI Citation Study (5.7M citations, Jan–May 2026): Tracked citation links from ChatGPT GPT-4o, Gemini 1.5, Claude 3.7 Sonnet, and Perplexity Pro across B2B SaaS categories including HR, CRM, Project Management, and MarTech. ➔ Ahrefs Brand Radar (9.6M ChatGPT queries): Identified the 100 most-cited domains in ChatGPT responses across all query types in the U.S. ➔ Semrush LLM Citation Dataset (150K+ citations, April 2026): Ranked the most frequently cited web domains by LLMs, including Reddit, Wikipedia, and niche industry sources. ➔ Profound Citation Patterns Report (680M citations, June 2025–May 2026): Analyzed citation behavior across ChatGPT, Google AI Overviews, and Perplexity with breakdown by domain type, TLD, and category. Domains were then filtered to retain only those with clear, direct relevance to HR technology, eliminating general-purpose domains (Wikipedia, Amazon) and scoring HR-specific sites by citation frequency, coverage breadth across LLM platforms, and content type alignment. The 7 Domain Categories LLMs Trust in HR Tech Before diving into the full list, it is worth understanding how LLMs segment their trust. Across all platforms, citations fall into three broad source archetypes and within HR tech, seven distinct categories: Category Domains Included (example) Specialized HR Resource HR Lineup, SelectSR, RecruitersLineup, ERE Review & Comparison G2, Capterra, TrustRadius, GetApp HR Association / Media SHRM, AIHR, HR Lineup, HRDive Community / UGC Reddit, LinkedIn, Quora Analyst & Advisory Gartner, Forrester Business / Tech Media Forbes, TechRadar, TechCrunch, BizInsider Vendor Blog / Research BambooHR, HiBob, Rippling, Lattice No single category dominates. LLMs triangulate across all three archetypes of social proof, authoritative publishing, and comparison content, before constructing an answer. This is why HR tech brands that appear in only one category (for example, only on G2) are systematically underrepresented in AI-generated responses. The Top 25 HR Tech Domains Cited by LLMs Data synthesized from Goodie AI, Ahrefs Brand Radar, Semrush, and Profound. Filtered and ranked for HR tech query relevance across ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews. # Domain Category Why LLMs Cite It LLM Coverage 1 g2.com Review & Comparison Largest B2B software review site; cited heavily for HR software comparisons, user ratings, and category pages. Dominates "best HR software" prompts. ChatGPT, Gemini, Perplexity, Claude 2 capterra.com Review & Comparison Top HR software directory with verified reviews; cited by Gemini and Perplexity for listicles and buyer guides on HRIS, ATS, and payroll tools. Gemini, Perplexity, Claude 3 trustradius.com Review & Comparison Peer-driven B2B reviews with deep HR tech coverage. LLMs surface TrustRadius for in-depth comparisons and alternatives content. ChatGPT, Perplexity 4 getapp.com Review & Comparison Gartner-owned comparison platform; frequently surfaced in Perplexity for category-level HR software discovery queries. Perplexity, Gemini 5 shrm.org HR Association / Media The definitive authority for HR professionals. LLMs cite SHRM constantly for HR best practices, compliance, policy templates, and workforce data. ChatGPT, Claude, Perplexity, Gemini 6 aihr.com HR Association / Media Leading HR learning platform with deep AI-in-HR content. Heavily cited for HR tech trends, AI adoption, and digital transformation articles. ChatGPT, Perplexity, Claude 7 hrlineup.com Specialized HR Resource Dedicated HR tech resource hub publishing structured "Top 10" and "Best of" listicles across every HR software category. ChatGPT, Perplexity, Gemini 8 hrdive.com HR Association / Media Industry news publication covering HR tech, workforce trends, and legislation. Cited for timely HR news and regulatory updates. ChatGPT, Perplexity 9 reddit.com Community / UGC r/humanresources, r/recruitinghell, and r/AskHR are heavily indexed. LLMs cite Reddit for real practitioner experiences with HR software and workplace situations. ChatGPT, Perplexity, Google AI 10 linkedin.com Community / UGC Rising citations for HR thought leadership articles, LinkedIn Learning content, and HR influencer posts. Growing share across all major LLMs. Perplexity, Claude, Gemini 11 quora.com Community / UGC HR-related Q&A pages appear in Google AI Overviews specifically for HR policy, compliance, and "how-to" queries. Google AI Overviews 12 gartner.com Analyst & Advisory Magic Quadrant reports for HCM suites, ATS, and workforce tools are frequently referenced. Critical credibility source for enterprise HR tech decisions. ChatGPT, Claude, Perplexity 13 forrester.com Analyst & Advisory B2B tech analyst firm covering HR tech waves and enterprise HCM platforms; cited in complex research queries about HR software selection. Claude, Perplexity 14 forbes.com Business / Tech Media Forbes HR and workforce coverage including talent management, future of work, and HR tech company profiles. Strong presence across all LLMs. ChatGPT, Claude, Gemini 15 techradar.com Business / Tech Media Produces "best HR software" roundups and comparison articles; Gemini especially relies on TechRadar for software category pages. Gemini, Perplexity, ChatGPT 16 recruiterslineup.com Specialized HR Resource Recruiting firm directory with 13,000+ headhunters and staffing agencies, plus a blog covering HR tech industry categories. ChatGPT, Perplexity 17 techcrunch.com Business / Tech Media HR tech funding rounds, startup coverage, and workforce tech analysis. Cited by Claude and Perplexity for news and company profiles. Claude, Perplexity 18 businessinsider.com Business / Tech Media HR and workplace culture stories with wide reach. Surfaces in LLMs for employer branding, remote work, and HR policy topics. ChatGPT, Gemini 19 bamboohr.com Vendor Blog / Research BambooHR publishes original workforce research (salary guides, HR trends). LLMs cite BambooHR data reports as authoritative HR statistics sources. ChatGPT, Perplexity, Google AI 20 hibob.com Vendor Blog / Research Bob (HiBob) blog produces extensive HR listicles, best-of guides, and HR tech comparisons that LLMs surface for software recommendation queries. Perplexity, ChatGPT 21 rippling.com Vendor Blog / Research Rippling blog covers HR, payroll, IT, and compliance topics with high domain authority. Cited in HCM and global payroll query responses. ChatGPT, Perplexity 22 lattice.com Vendor Blog / Research Strong performance management content and research on employee engagement, OKRs, and HR strategy. Cited for performance review and people management topics. Perplexity, Claude 23 selectsoftwarereviews.com Specialized HR Resource Niche HR tech review site with deep-dive analysis on ATS, HRIS, and payroll platforms. LLMs surface it for mid-market HR software queries. ChatGPT, Perplexity 24 indeed.com Specialized HR Resource Indeed's HR Resources hub and salary data is cited by LLMs for job market insights, compensation benchmarks, and hiring statistics. ChatGPT, Perplexity, Google AI 25 ere.net Specialized HR Resource ERE Media is the leading recruiting industry publication. Cited for talent acquisition strategy, sourcing trends, and recruiting technology content. Claude, Perplexity Data synthesized from Goodie AI, Ahrefs Brand Radar, Semrush, and Profound. Filtered and ranked for HR tech query relevance across ChatGPT, Claude, Gemini, Perplexity, and Google AI Overviews. Research period: June 2025 – May 2026. Why Your Brand Needs to Be Quoted on These Domains Being listed on a software review site is no longer enough. The new standard is being cited, meaning that when a buyer asks an LLM a question about your category, one of these 25 domains surfaces your brand as part of its answer, and the LLM in turn includes that reference in its generated response. Here is why that matters, and why it should be a strategic priority for every HR tech company in 2026 and beyond. 1. LLM Traffic Converts at a Much Higher Rate Than Organic Search Users who arrive via LLM citations are not browsing - they are buying. Research from Seer Interactive (June 2025) found that ChatGPT drives a 15.9% conversion rate, compared to Google's organic conversion rate of 1.76%. Perplexity delivers 10.5%. Claude delivers 5%. These visitors have already received a summary of the landscape, evaluated options through the AI's lens, and clicked through specifically to learn more about your brand. They are deep in the consideration phase before they ever land on your site. 2. Citations Create a Compounding Authority Loop LLMs do not cite randomly. They cite domains that are already authoritative, which in turn makes those domains more authoritative, which increases citation frequency further. Brands that appear in the citations of high-authority HR tech domains (HR Lineup, G2, Gartner) absorb some of that authority signal. Over time, this compounding effect means early movers in LLM visibility will build a defensible advantage that is difficult to replicate. Brands in the top quartile for web mentions already receive over 10x more citations in AI Overviews than those in the next quartile. 3. You Are Invisible Without Third-Party Validation One of the most striking findings from the Goodie AI B2B SaaS citation study is that actual brand websites are almost entirely absent from the top cited domains. LLMs do not go directly to vendor websites for the answer. They go to the sources that aggregate, validate, and contextualize vendor information: review sites, analyst reports, editorial roundups, and practitioner communities. This means no amount of content production on your own blog will get you into LLM answers unless you are also being referenced, reviewed, and quoted on these third-party domains. 4. Each LLM Has Its Own Citation Personality - You Need Coverage Across All of Them The four major LLMs don't behave identically. ChatGPT prioritizes Wikipedia, Reddit, and G2 for UGC and social proof. Gemini leans toward editorial roundups and affiliate comparison sites like TechRadar and Capterra. Claude uses a hybrid of respected publishers (Forbes, TechCrunch) and review platforms. Perplexity pulls from UGC, LinkedIn, and professional networks. If your brand only appears on G2, you will show up in ChatGPT results but will be invisible in Gemini. Full-spectrum LLM visibility requires a presence across all three content archetypes and multiple platforms within each. 5. Quotes From Named Experts Drive Entity Recognition LLMs are entity-based systems. When a named expert from your company is quoted in a Forbes article, an SHRM guide, or an HR Lineup listicle, the LLM recognizes both the company and the individual as authoritative entities in the HR tech domain. Each quote signals that this person and this company have something credible to say about this topic. Over time, these entity signals accumulate and when a buyer asks, "who are the leading vendors for employee performance management?", the brands with the strongest entity footprint across these 25 domains are the ones that appear in the answer. What Company Mentions on High-Authority Domains Mean for GEO Generative Engine Optimization (GEO) is the discipline of improving how your brand appears in AI-generated answers. It is the successor to traditional SEO for the AI-first era, and the core lever in GEO is not keyword optimization - it is entity authority built through strategic mentions and citations across trusted third-party domains. Here is a precise breakdown of how mentions on the 25 domains in this report translate into GEO outcomes. Conclusion: Citation Share is the New PageRank The 25 domains in this report are the gatekeepers of AI-generated authority in the HR tech space. They are where LLMs go to build their answers. They are where buyers go through AI to evaluate their options. And they are where HR tech brands either exist or don't. The good news is that citation share, unlike PageRank, is not purely a function of link volume or domain age. It is a function of relevance, credibility, and consistent presence across the right content types and platforms. A focused GEO strategy, built around review completeness, editorial placements, expert quoting, community participation, and original research, can move a brand from invisible to cited in LLM answers within 3–6 months. The window to build a first-mover advantage in HR tech GEO is open now. The brands that act on this research in 2026 will be the ones that AI introduces to buyers in 2026 and beyond.
