Search ads turn 8.18% of clicks into leads in the 2026 WordStream by LocaliQ benchmarks. Across 13 industries in Ruler Analytics data, paid search converts 5.4% of sessions and organic search converts 4.9%. The rates differ because each study counts a conversion in its own way and divides by something different.
The numbers below cover conversion rates, cost per lead, cost per customer, click share, trust, payback and ROI, plus the B2B pipeline and AI-search benchmarks that change the comparison. Every stat links to its source. No unsourced roundup numbers. For the SEO baseline, see SEO statistics; for AI search, see AI SEO statistics; for B2B pipeline data, see B2B SEO statistics.
SEO vs PPC Conversion Rate Statistics
- 2.4% of SEO visitors become leads on average across all industries, compared with 1.3% of PPC visitors. (First Page Sage)
- 10.9% average landing page conversion rate for paid search traffic, with Google ads converting at 11.3%. (Unbounce)
- 16.22% of search ad clicks convert in animals and pets, the highest industry rate, while finance and insurance converts lowest at 2.64%. (WordStream by LocaliQ)
- 5.4% for paid search compared with 4.9% for organic search across 13 industries, though organic leads in professional services (8.1% vs 6.7%). (Ruler Analytics)
- 2.5% for B2B tech organic search compared with 1.5% for paid in 2025, while B2B services paid search converted at 3.4% against 2.3% for organic. (Ruler Analytics)
SEO vs PPC Cost Statistics: CPC, Cost per Lead and CAC
- $66.69 average cost per lead from Google and Microsoft search ads in 2026, with a $5.42 average CPC, a 6.64% CTR and an 8.18% click to lead rate. (WordStream by LocaliQ)
- First drop in five years in the average cost per lead from search ads across all industries. (WordStream by LocaliQ)
- $93.69 per lead for business services search ads, at a $5.87 CPC and a 4.85% conversion rate, while attorneys pay the most at $131.63. (WordStream by LocaliQ)
- $647 B2B cost per customer from thought leadership SEO, compared with $802 for PPC/SEM, $1,786 for basic SEO and $468 for ChatGPT Ads (14 accounts over 7 weeks). (First Page Sage)
- +14.1% PPC cost per customer between 2024 and 2026, and every established paid channel in the study became more expensive. (First Page Sage)
- 29% higher CPCs on non-branded B2B search terms, as their share of ad budgets fell from 37% in 2024 to 33% in 2025 and their CTRs fell 26%. (Dreamdata)
- 67% ROAS from Google Search ads for B2B companies (138% for the top quartile), compared with 121% for LinkedIn Ads. (Dreamdata)
Click Share Statistics: Organic vs Paid on Google
- 66.61% of Google clicks go to organic results, 6.01% to paid ads and 27.38% to Google's own properties, while 68% of US searches end without a click. (SparkToro)
- 16.2% paid CTR on queries with an AI Overview in February 2026, up from 14.6% in January 2025, while paid CTR without one fell from 26% to 21.8%. (Seer Interactive)
- 2.4% organic CTR on AI Overview queries in February 2026, up from a low of 1.3% in December 2025, compared with 3.8% on queries without one. (Seer Interactive)
- 13.99% to 17.95% was the range of paid CTR for brands cited in AI Overviews all year, and Seer calls paid CTR its most steady and predictable metric. (Seer Interactive)
- $114.2 billion in US search ad revenue in 2025, or 38.8% of digital ad revenue, though growth slowed to 11% from 15.9% in 2024. (IAB and PwC)
- $63.3 billion in Google Search and other revenue in Q2 2026, up 17% year over year. (Alphabet)
- 9% less organic search traffic year over year across the sites Contentsquare measures, while total visits fell 3.8% and the cost of a visit rose 9%. (Contentsquare)
Do Searchers Trust Organic Results More Than Ads?
- Half of Americans trust organic search results the most, compared with 5% who trust paid results more, and 46% trust both equally. (Page One Power)
How Long SEO and PPC Take to Pay Back
- 6.4 months to a first customer from thought leadership SEO on average, compared with 8.6 months for basic SEO. (First Page Sage)
- 1.74% of new pages reach Google's top 10 within a year, and 40.82% of the pages that do get there within a month. (Ahrefs)
- 44.6% of revenue came from organic search on average, compared with 27.6% from paid search, across the domains tracked. (BrightEdge)
Should You Run SEO and PPC Together?
- 30.2% of B2B marketers name their website, blog and SEO as a top ROI channel, the most of any channel, with email second at 23.6%. (HubSpot)
- 89% of ad clicks are not replaced by organic clicks when search ads are paused, on average across 400+ Google pause studies. (Google)
- No measurable short-term benefit from brand keyword ads in eBay's large field experiments. (NBER)
SEO benchmarks that affect the comparison
- 73.7% of US desktop searches across 41 large sites ran on Google in Q4 2025, while search engines as a group had about 80%, commerce sites about 10%, social networks about 5.5% and AI tools 3.2%. (SparkToro and Datos)
- 68.01% of US Google searches ended without a click from January to April 2026, up from 60.45% in 2024. (SparkToro)
- About 45% of Google searches ended without a click ten years ago, measured on the older Jumpshot panel. (SparkToro)
- 27.6% average CTR for the #1 organic result, which is 10 times more likely to get a click than the #10 result. (Backlinko)
- 21.8% paid CTR on queries without an AI Overview in February 2026, down from 26% in January 2025, while paid CTR with an AI Overview rose from 14.6% to 16.2%. (Seer Interactive)
- 2.5% fewer organic visits from Google to the 40,000 largest US sites, year over year. (Graphite)
- 26% more search use worldwide in 2025 when search engines and AI chat are counted together, and 16% more in the US. (Graphite)
- 45.7% of Google searches are branded once you weight by search volume, against 36.9% of unique queries. (Ahrefs)
- 42.4% of traffic came from organic search in Health Care, 39.6% in Communication Services and 33.8% in Industrials. (Conductor)
- 72.9% of top 10 pages are more than three years old, and the average #1 page is five years old. (Ahrefs)
- Almost 93% of US keywords get fewer than 10 searches a month. (Ahrefs)
- 97% of consumers read reviews for local businesses, and 41% always do, up from 29% a year earlier. (BrightLocal)
- 47% of consumers won't use a business with fewer than 20 reviews, and 31% will only use one rated 4.5 stars or more, up from 17%. (BrightLocal)
B2B pipeline benchmarks
- 52.7% of B2B revenue came from organic search, compared with 22.9% from paid search, while organic brought 64.1% of B2B traffic. (BrightEdge)
- 3.8% median conversion rate for SaaS landing pages, 42% below the 6.6% median across all industries. (Unbounce)
- 12% of B2B marketers rate their marketing as highly effective, and another 47% call it somewhat effective. (CMI)
- 40% of B2B marketers name content that prompts action, such as a conversion, as a top challenge. (CMI)
- 45% of B2B marketers rank AI tools as a top area for new spending in 2026. (CMI)
- 33% of marketers say measuring ROI is their biggest challenge in 2026. (HubSpot)
- 7.8% of revenue goes to marketing on average, and 15.3% of that budget goes to AI. (Gartner)
- 30% of CMOs say their teams are ready to scale AI, though about 70% call AI leadership a critical goal for 2026. (Gartner)
- 61% of the journey is done before buyers first contact a seller. (6sense)
- 95% of deals go to a vendor that was on the buyer's day-one shortlist. (6sense)
- 94% of buying groups rank their shortlist before talking to any seller. (6sense)
- 79% of first contacts are started by the buyer. (6sense)
- 5.1 vendors get evaluated in an average B2B purchase, up from 4.5. (6sense)
- 83% of software buyers change their first vendor list after research. (Gartner)
- 2.5 vendors is how many vendors the average software buyer actively engages with. (Gartner)
- 57% of B2B decision-makers use search engines in early research, more than any other channel. (SurveyMonkey)
- 83% of B2B decision-makers finish their research in peer communities and self-directed search before they engage a sales team. (SurveyMonkey)
- 55% of decision-makers struggle to know which information sources to trust. (SurveyMonkey)
How AI search changes the comparison
- 2.5 billion monthly users for AI Overviews, while AI Mode passed 1 billion within a year of launch. (Google)
- AI Mode queries more than doubled every quarter since launch, and Google Search queries reached an all-time high last quarter. (Google)
- 44% of US adults have used ChatGPT, up from 34% a year earlier, and about a quarter have used Gemini. (Pew Research Center)
- 42% of US adults use chatbots to search for information. (Pew Research Center)
- 15.69% of keywords showed an AI Overview in November 2025, after rising from 6.49% in January to nearly 25% in July. (Semrush)
- 25.11% of Google searches showed an AI Overview across 21.9 million unique US searches from September 15 to October 12, 2025. (Conductor)
- 48% of tracked queries show an AI Overview, up from about 30% a year earlier, and the average one is over 1,200 pixels tall. (BrightEdge)
- 58% lower CTR for the #1 result when an AI Overview appears, up from a 34.5% drop in Ahrefs' April 2025 study. (Ahrefs)
- Position 1 CTR fell from 7.3% to 1.6% between December 2023 and December 2025 on keywords that show AI Overviews, compared with 7.6% to 3.9% on informational keywords without them. (Ahrefs)
- 8% of visits with an AI summary led to a click on a regular result, compared with 15% without one, and just 1% clicked a link inside the summary. (Pew Research Center)
- 120% more clicks per impression for brands cited in an AI Overview than for uncited brands, though still 38% fewer than on queries with no AI Overview. (Seer Interactive)
- 92% to 94% of AI Mode searches ended without a click to another site, and AI Mode queries averaged 7.22 words compared with 4.0 in regular search. (Semrush)
- About 80% of consumers rely on zero-click results for at least 40% of their searches, which Bain estimates cuts organic traffic by 15% to 25%. (Bain & Company)
- Organic CTR doubled from 0.7% to 1.7% during 2025 for brands cited in AI Overviews on transactional queries. (Seer Interactive)
- 9.9x growth in AI referral sessions over 19 months, with ChatGPT sending 92.4% of them. (Previsible)
- 87.4% of AI referral traffic comes from ChatGPT across Conductor's 10 industries. (Conductor)
- 37.9% of AI Overview citations rank in Google's top 10, down from about 76% in July 2025, and 31.0% rank outside the top 100. (Ahrefs)
- 43.2% of #1 Google pages get cited by ChatGPT, 3.5x the rate for pages beyond Google's top 20. (AirOps)
- Brands are 6.5x more likely to surface through third-party content than through their own site on commercial discovery queries. (AirOps)
- 84% of AI citations come from earned media, with journalism at 27% and paid content at 0.3%. (Muck Rack)
- 51% of software buyers start research in an AI chatbot more often than in Google, up from 29%. (G2)
- 71% of software buyers rely on AI chatbots for software research, up from about 60% seven months earlier. (G2)
- 94% of buyers use AI chat tools at some point during a purchase. (6sense)
- 67% of B2B buyers would rather buy without talking to a sales rep. (Gartner)
- 94% of business buyers use AI during their buying process, up from 89% a year earlier. (Forrester)
- 2x as many buyers call generative AI a meaningful source compared with any other source. (Forrester)
SEO vs PPC Break-Even Calculator
Enter your numbers to see when SEO catches up with PPC on cost per customer. The calculator uses the 2026 benchmarks above and runs for 36 months.
Cost per lead: WordStream by LocaliQ 2026. SEO cost per customer ($647 or $1,786 vs $802 for PPC), months to first customer and the 14.1% two-year PPC cost rise: First Page Sage 2026 client data. SEO cost per customer is held flat.
In our model, the default case of a $10,000 monthly budget at the $66.69 average cost per lead brings about 150 PPC leads in month one. Thought leadership SEO wins its first customers in month seven and catches up with PPC on total cost per customer in month 26, while basic SEO doesn't catch up within 36 months.
Your own cost per lead and close rate change how many customers you get, though they don't change the break-even month, which depends on the type of SEO. If you'd like to plan this with real data from your site, our B2B SEO agency team can help.
FAQ
Is SEO better than PPC?
In BrightEdge's 2019 channel study, organic search brought 44.6% of revenue on average, compared with 27.6% from paid search. In First Page Sage's 2026 client data, thought leadership SEO costs $647 per B2B customer, against $802 for PPC. PPC starts sending leads as soon as the ads go live, so it suits teams that need leads this quarter.
Which converts better, SEO or PPC?
The answer changes with how each study defines a conversion. First Page Sage counts leads per website visitor and has SEO at 2.4% and PPC at 1.3%. Ruler Analytics counts qualified leads or sales per session and has paid search at 5.4% and organic at 4.9%, while WordStream by LocaliQ puts search ads at 8.18% of clicks.
What percentage of Google clicks go to ads vs organic results?
From January to April 2026, 66.61% of US Google clicks went to organic results and 6.01% went to paid ads, according to SparkToro and Similarweb. Another 27.38% went to Google's own properties, and 68% of searches ended without a click. The paid share rose from 1.12% in 2024, partly because the 2024 panel had more ad blocker users.
How much does a PPC lead cost in 2026?
Search ads cost $66.69 per lead on average in 2026, at a $5.42 average cost per click (WordStream by LocaliQ). Business services pay $93.69 per lead, and attorneys pay the most at $131.63. The average cost per lead fell for the first time in five years.
How long does SEO take compared with PPC?
PPC can send traffic as soon as the ads go live, while SEO results build over several months. In First Page Sage's 2026 client data, a first customer takes 6.4 months from thought leadership SEO and 8.6 from basic SEO. Ahrefs found that only 1.74% of new pages reach Google's top 10 within a year.
Do people trust Google ads less than organic results?
In a Page One Power survey of 1,000 Americans, half trusted organic search results the most, while 5% trusted paid results more and 46% trusted both equally.
Should I run SEO and PPC at the same time?
Running both is a common setup, since 89% of ad clicks were not replaced by organic clicks in Google's ad pause studies. Use PPC for early leads and keyword testing while SEO builds up. Test pausing brand ads where you already rank first, since eBay's 2014 experiments found brand keyword ads had no measurable short-term benefit.
Are AI Overviews hurting SEO more than PPC?
In Seer Interactive's data so far, yes. Organic CTR on AI Overview queries fell to 1.3% in December 2025 before recovering to 2.4% by February 2026, while paid CTR on the same queries rose from 14.6% to 16.2%. Seer calls paid CTR its most steady and predictable metric.
Want to keep learning? Read our SEO statistics, our AI SEO statistics and our B2B SEO statistics.
