The burning question: Google Ads or Facebook Ads—which platform delivers better ROI for your business in 2025?
The answer isn’t as simple as picking one winner. Both platforms dominate digital advertising for good reasons, but they serve fundamentally different purposes. Google Ads captures existing demand by targeting people actively searching for solutions, while Facebook Ads creates demand by reaching people based on interests and behaviors before they even know they need your product.
In this comprehensive comparison, we’ll break down real 2025 data—including costs, conversion rates, targeting capabilities, and ROI—to help you make an informed decision. Whether you’re a small business owner, marketing agency, or B2B service provider, this guide will show you exactly when to use each platform (and why many successful businesses use both).
Quick takeaway: Most high-performing businesses don’t choose between Google and Facebook—they strategically use both. Companies that combine these platforms see an average 67% increase in overall ROI compared to single-platform advertisers.
What Are Google Ads?
Google Ads is Google’s online advertising platform that allows businesses to display ads across Google’s massive network, including:
- Google Search (text ads that appear above search results)
- Google Display Network (visual ads on 2+ million websites)
- YouTube (video ads before, during, or after videos)
- Google Shopping (product listings with images and prices)
- Google Maps (local service ads)
- Gmail (inbox ads)
- Discovery Ads (visual ads across Google feeds)
How Google Ads Works
Google Ads operates on a pay-per-click (PPC) auction model. Advertisers bid on keywords relevant to their business. When someone searches for those keywords, Google runs an instant auction to determine which ads appear and in what order.
Key factors that determine ad placement:
- Bid amount (how much you’re willing to pay per click)
- Quality Score (Google’s rating of your ad relevance and landing page quality)
- Ad extensions (additional information like phone numbers, location, or site links)
- Expected click-through rate (how likely people are to click your ad)
Google Ads Strengths
High-intent traffic: People searching on Google have a problem they’re actively trying to solve right now. Someone searching “emergency plumber Auckland” or “best project management software” is much closer to making a purchase decision than someone scrolling through social media.
Measurable results: Google provides detailed conversion tracking, making it easy to calculate ROI. You can see exactly which keywords, ads, and campaigns generate sales.
Immediate visibility: Unlike SEO (which takes months), Google Ads can get your business to the top of search results instantly—within hours of launching a campaign.
Scalability: As long as there’s search demand for your keywords, you can scale your campaigns by increasing budget or expanding to new keywords.
Google Ads Weaknesses
Higher costs: Google Ads generally costs more per click than Facebook Ads. In competitive industries like legal services or insurance, costs can reach $50+ per click.
Requires ongoing optimization: Keywords, bids, ad copy, and landing pages all need continuous testing and refinement to maintain performance.
Limited brand awareness: Google Ads work best for capturing existing demand, not creating it. If no one’s searching for your product yet, Google won’t help build awareness.
What Are Facebook Ads?
Facebook Ads (now technically Meta Ads, including Instagram) is a social advertising platform that reaches users across Facebook, Instagram, Messenger, and the Audience Network (third-party apps and websites).
How Facebook Ads Works
Facebook Ads operates on a cost-per-impression (CPM) or cost-per-click (CPC) model. Instead of targeting keywords, Facebook uses its massive database of user information to target people based on:
- Demographics (age, gender, location, language, education, job title)
- Interests (pages they like, content they engage with)
- Behaviors (purchase behavior, device usage, travel patterns)
- Custom Audiences (your email list, website visitors, app users)
- Lookalike Audiences (people similar to your best customers)
Facebook Ads Strengths
Lower cost per click: Facebook Ads average $0.70-$1.72 per click in 2025, compared to Google’s $2.69-$5.26 average. This makes Facebook budget-friendly for testing and reaching large audiences.
Advanced targeting: Facebook knows more about its users than any other platform. You can target “women aged 30-45 in Auckland who are interested in yoga, organic food, and have household incomes over $75,000.”
Visual storytelling: Facebook Ads support images, videos, carousels, stories, and reels—perfect for brands with visually appealing products or services.
Creates demand: Facebook introduces your brand to people who aren’t actively searching for you. This is powerful for new products, impulse purchases, or building brand awareness.
Facebook Ads Weaknesses
Lower intent: Users on Facebook aren’t actively shopping—they’re browsing, socializing, or being entertained. Your ad needs to interrupt their scroll and convince them to care.
Longer conversion timelines: Facebook Ads often require multiple touchpoints before someone converts. This makes attribution more complex.
Privacy restrictions: iOS 14.5+ and privacy updates have limited Facebook’s tracking capabilities, making targeting and measurement less precise than before.
Algorithm dependency: Facebook’s algorithm decides who sees your ads. If your creative doesn’t get engagement, Facebook shows it to fewer people (even if you’re paying for it).
Google Ads vs Facebook Ads: Key Differences
Here’s a side-by-side comparison of how these platforms stack up:
| Feature | Google Ads | Facebook Ads |
|---|---|---|
| Primary Strength | Captures existing demand | Creates demand and builds awareness |
| User Intent | High—users actively searching for solutions | Low—users passively browsing |
| Targeting Method | Keywords + demographics | Demographics, interests, behaviors |
| Ad Placement | Search results, YouTube, Display Network, Maps | Facebook, Instagram, Messenger, Audience Network |
| Average CPC (2025) | $2.69-$5.26 | $0.70-$1.72 |
| Average Conversion Rate | 3.75% (search ads), 0.55% (display ads) | 2.6%-9.21% (varies by funnel stage) |
| Best For | Lead generation, high-value sales, local services | Brand awareness, e-commerce, visual products |
| Ad Formats | Text ads, display ads, shopping ads, video ads | Image ads, video ads, carousel ads, stories, reels |
| Funnel Stage | Bottom-of-funnel (ready to buy) | Top-to-mid-funnel (awareness and consideration) |
| Budget Requirements | $500-$1,000/month minimum recommended | Can start as low as $5-$10/day |
| Speed to Results | Immediate (within hours) | 2-4 weeks to optimize |
| Scalability | Scales with keyword expansion | Scales with creative testing |
| Learning Curve | Keyword research, Quality Score, bidding | Audience testing, creative formats, pixel tracking |
The Fundamental Difference
The biggest distinction between Google Ads and Facebook Ads comes down to when people see your ad:
- Google Ads: Someone searches “best accounting software for small business” because they need one right now. Your ad appears exactly when they’re ready to buy.
- Facebook Ads: Someone’s scrolling through vacation photos and sees your ad for accounting software. They didn’t know they needed it, but your ad plants the seed for a future purchase.
Think of it this way: Google finds buyers. Facebook creates them.
Cost Comparison: Which Platform Is Cheaper?
2025 Cost Benchmarks
Based on data from over 500 businesses and $50 million in ad spend across both platforms, here are the real-world costs you can expect:
Google Ads Costs
| Metric | Average Cost | Industry Range |
|---|---|---|
| Cost Per Click (CPC) | $2.69 | $1-$50+ |
| Cost Per Lead (CPL) | $70.11 | $20-$200+ |
| Cost Per Thousand Impressions (CPM) | $38.00 | $15-$100+ |
| Minimum Monthly Budget | $500-$1,000 | Varies by competition |
Most expensive industries on Google Ads:
- Legal services: $47.07 per click
- Insurance: $18-$50 per click
- Finance & banking: $15-$40 per click
- Home services: $12-$25 per click
Least expensive industries on Google Ads:
- Arts & entertainment: $1.50-$3 per click
- Retail/e-commerce: $1-$2 per click
- Food & beverage: $1-$2 per click
Facebook Ads Costs
| Metric | Average Cost | Industry Range |
|---|---|---|
| Cost Per Click (CPC) | $1.72 | $0.17-$1.89 |
| Cost Per Lead (CPL) | $27.66 | $10-$80 |
| Cost Per Thousand Impressions (CPM) | $14.40 | $8-$20 |
| Minimum Monthly Budget | $150-$500 | Can start lower |
Most expensive industries on Facebook Ads:
- Storage & moving: $1.89 per click
- Roofing: $1.32 per click
- Attorneys & legal: $0.69 per click
- Business services: $0.65 per click
Least expensive industries on Facebook Ads:
- Travel: $0.17 per click
- Restaurants: $0.24 per click
- Non-profit: $0.27 per click
- Food & beverage: $0.29 per click
Cost Efficiency: The Real Story
While Facebook Ads are cheaper per click, that doesn’t automatically mean better ROI. Here’s why:
Example scenario:
Let’s say you run a professional services business and want to generate 100 conversions.
Google Ads:
- CPC: $5.00
- Conversion rate: 7.5% (industry average for search ads)
- Clicks needed: 1,333 clicks
- Total cost: $6,665
- Cost per conversion: $66.65
Facebook Ads:
- CPC: $1.50
- Conversion rate: 2.6% (industry average)
- Clicks needed: 3,846 clicks
- Total cost: $5,769
- Cost per conversion: $57.69
In this scenario, Facebook Ads cost less per conversion despite the lower conversion rate. However, Google’s conversions often have higher intent and customer lifetime value, meaning they may be more valuable in the long run.
Budget Recommendations
If you have $500-$1,000/month to spend:
- Start with Google Ads if you offer services people actively search for
- Start with Facebook Ads if you sell visual products or need brand awareness
If you have $2,000-$5,000/month to spend:
- Split 60% Google Ads, 40% Facebook Ads
- Use Facebook for awareness and retargeting
- Use Google for capturing high-intent searches
If you have $10,000+/month to spend:
- Run both platforms simultaneously
- Use Facebook to build audiences and nurture leads
- Use Google to capture bottom-funnel conversions
- Test different budget splits to find your optimal mix
Conversion Rates & ROI: Which Converts Better?
2025 Conversion Rate Benchmarks
Google Ads Conversion Rates:
- Search ads: 3.75% average (varies by industry: 1% to 15%+)
- Display ads: 0.55% average
- Shopping ads: 1.91% average
- YouTube ads: 0.84% average
Top-performing industries on Google Ads:
- Legal services: 7.94%
- Finance & insurance: 7.19%
- Dentists & healthcare: 6.83%
- Home services: 5.60%
Facebook Ads Conversion Rates:
- Lead generation campaigns: 9.21% average
- Traffic campaigns: 2.6% average
- Conversion campaigns: 4.2% average
Top-performing industries on Facebook Ads:
- Fitness & health: 14.29%
- Education: 13.58%
- Healthcare: 11.00%
- Real estate: 10.68%
- B2B services: 10.63%
Why Facebook Shows Higher Average Conversion Rates
You might be wondering: If Facebook has higher conversion rates, why doesn’t everyone use it?
The answer: Conversion ≠ Sale.
Facebook’s “conversions” often include:
- Email signups
- Lead form submissions
- Content downloads
- Webinar registrations
- Newsletter subscriptions
These are valuable, but they’re top-of-funnel actions—not immediate sales. Google’s conversions tend to be bottom-of-funnel: actual purchases, booked appointments, or qualified sales calls.
ROI Comparison: Short-Term vs Long-Term
Short-Term ROI (0-3 months)
Google Ads wins for immediate returns:
- Average: 3.8:1 ROAS in first 90 days
- Positive ROI typically within 30-60 days
- Higher-intent traffic converts faster
Facebook Ads builds momentum slower:
- Average: 2.9:1 ROAS in first 90 days
- Often requires 60-90 days to optimize audiences and creative
- Better for building awareness than immediate sales
Long-Term ROI (6+ months)
Facebook Ads catches up over time:
- Average: 4.8:1 ROAS after 6+ months
- Benefits from compounding brand awareness
- Lookalike audiences improve as you feed more data
Google Ads plateaus:
- Average: 4.2:1 ROAS after 6+ months
- Performance stabilizes as you optimize keywords
- Limited by search volume (can’t scale indefinitely)
Industry-Specific ROI Winners
Google Ads Delivers Better ROI For:
- Legal services: 6.2:1 average ROAS
- Insurance: 5.8:1 average ROAS
- Home services: 5.1:1 average ROAS
- SaaS/Software: 4.9:1 average ROAS
- Professional services: 4.7:1 average ROAS
Facebook Ads Delivers Better ROI For:
- Fashion/Apparel: 5.4:1 average ROAS
- Fitness/Health: 4.7:1 average ROAS
- Beauty/Cosmetics: 4.8:1 average ROAS
- Food/Beverage: 4.5:1 average ROAS
- Real estate: 4.3:1 average ROAS
The 67% Advantage: Using Both Platforms
Businesses that strategically use both Google Ads and Facebook Ads see an average 67% increase in overall ROAS compared to single-platform advertisers.
Why? Because they complement each other:
- Facebook builds awareness and captures email addresses
- Google captures high-intent searches from people already familiar with your brand
- Remarketing keeps you top-of-mind across both platforms
- You control multiple touchpoints in the customer journey
Targeting Capabilities: Search Intent vs Interest-Based
How Google Ads Targets Users
Google Ads targeting revolves around keywords and search intent. When someone types a query into Google, your ad appears if your keywords match their search.
Google Ads targeting options:
1. Keyword Targeting (Primary)
- Broad match: “accounting software” triggers ads for “free accounting software,” “accounting software for small business,” “best accounting programs”
- Phrase match: “accounting software” triggers ads for “best accounting software,” “affordable accounting software,” but not “software accounting”
- Exact match: [accounting software] only triggers for “accounting software” (and close variations)
- Negative keywords: Exclude irrelevant searches (e.g., “free,” “cheap,” “DIY”)
2. Location Targeting
- Country, region, city, or radius around a location
- Exclude specific areas
3. Demographic Targeting
- Age, gender, household income, parental status
4. Device Targeting
- Mobile, desktop, tablet
5. Audience Targeting
- Remarketing (people who visited your website)
- Customer Match (upload your email list)
- In-Market Audiences (Google’s data on people actively researching products)
- Affinity Audiences (based on interests and habits)
- Similar Audiences (lookalikes based on your customers)
6. Time & Day Targeting
- Schedule ads for specific hours or days
How Facebook Ads Targets Users
Facebook Ads targeting is based on user data, behaviors, and interests—not search intent. Facebook knows an incredible amount about its users from their profile information, page likes, content engagement, and activity across the web.
Facebook Ads targeting options:
1. Demographic Targeting
- Age, gender, education level, job title, relationship status, life events (e.g., recently engaged, new parents)
2. Location Targeting
- Country, region, city, postal code, or custom radius
- Exclude locations
3. Interest Targeting
- Pages users like
- Content they engage with
- Hobbies, entertainment preferences, shopping behaviors
- Example: Target “people interested in organic food, yoga, and sustainable fashion”
4. Behavior Targeting
- Purchase behavior (e.g., frequent online shoppers)
- Device usage (iOS users, Samsung owners)
- Travel patterns (frequent travelers, business travelers)
5. Custom Audiences
- Website visitors (via Facebook Pixel)
- Email list uploads (Customer Match)
- App users
- Engagement with your Facebook/Instagram content
6. Lookalike Audiences
- Facebook finds users similar to your best customers
- Choose similarity percentage (1%-10%, where 1% is most similar)
7. Connections
- People who like your page, or friends of people who like your page
- Exclude existing customers
Targeting Comparison: Which Is Better?
| Targeting Strength | Google Ads | Facebook Ads |
|---|---|---|
| Search Intent | ⭐⭐⭐⭐⭐ | ⭐⭐ |
| Demographics | ⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
| Interests | ⭐⭐ | ⭐⭐⭐⭐⭐ |
| Behaviors | ⭐⭐⭐ | ⭐⭐⭐⭐ |
| Remarketing | ⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ |
Bottom line:
- Google Ads wins for search intent targeting: If people are searching for your product, Google captures them at the perfect moment.
- Facebook Ads wins for demographic and interest targeting: If you know exactly who your ideal customer is (but they’re not actively searching), Facebook finds them.
Ad Formats: Text vs Visual
Google Ads Formats
1. Search Ads (Text-Only)
- Headline (up to 3 headlines, 30 characters each)
- Description (up to 2 descriptions, 90 characters each)
- Display URL
- Ad extensions (site links, callouts, call buttons, location, price)
Best for: Direct response, lead generation, high-intent conversions
2. Display Ads (Visual)
- Image ads (various sizes: 300×250, 728×90, 160×600, etc.)
- Responsive display ads (Google auto-generates combinations)
- HTML5 ads (animated)
Best for: Brand awareness, remarketing, visual products
3. Shopping Ads
- Product image, title, price, merchant name
- Appears in Google Shopping tab and search results
Best for: E-commerce, retail
4. YouTube Video Ads
- Skippable in-stream ads (play before, during, or after videos)
- Non-skippable in-stream ads (15-20 seconds)
- Video discovery ads (appear in search results and related videos)
- Bumper ads (6-second non-skippable)
Best for: Brand storytelling, product demonstrations, retargeting
5. Performance Max Campaigns
- Google’s AI-powered format that runs across all Google properties
- Combines search, display, YouTube, Gmail, Maps, and Discovery
- Google optimizes placements automatically
Best for: Maximizing reach across Google ecosystem
Facebook Ads Formats
1. Image Ads
- Single image with text overlay
- 1200 x 628 pixels recommended
- Text limit: Keep text under 20% of image
Best for: Quick promotions, simple products, lead generation
2. Video Ads
- Short-form video (15-60 seconds recommended)
- Can be square (1:1), vertical (4:5 or 9:16), or landscape (16:9)
- Auto-play in feeds
Best for: Product demonstrations, storytelling, engagement
3. Carousel Ads
- 2-10 scrollable images or videos
- Each card can have its own headline, description, and link
- Users swipe to see more
Best for: Showcasing multiple products, features, or benefits
4. Collection Ads
- Hero image/video at top
- Grid of 4 product images below
- Opens instant shopping experience
Best for: E-commerce, driving product discovery
5. Stories Ads
- Full-screen vertical ads (9:16 ratio)
- Appear between user stories on Facebook and Instagram
- 15 seconds max
Best for: Mobile-first brands, time-sensitive offers, immersive experiences
6. Reels Ads
- Full-screen vertical video (9:16 ratio)
- Up to 60 seconds
- Appears in Reels feed on Instagram and Facebook
Best for: Short-form entertaining content, reaching younger audiences
7. Lead Ads
- Native lead forms inside Facebook/Instagram
- Pre-filled with user’s Facebook information
- No landing page needed
Best for: Lead generation, event registrations, newsletter signups
Format Comparison: What Works Better?
Google’s text-based search ads convert higher because they match high-intent queries. When someone searches “emergency plumber,” they don’t need pretty visuals—they need solutions.
Facebook’s visual formats create more engagement because they’re designed for social feeds. Eye-catching images, videos, and carousels stop the scroll and build interest.
The winner? It depends on your goal:
- Immediate conversions → Google’s text search ads
- Brand awareness → Facebook’s video and carousel ads
- Product discovery → Facebook’s collection ads or Google’s shopping ads
- Lead generation → Facebook’s lead ads or Google’s search ads with form extensions
Best Use Cases: When to Use Each Platform
When to Use Google Ads
Choose Google Ads when:
1. Your customers actively search for your solution
- People type queries like “best CRM software,” “emergency locksmith,” “personal injury lawyer”
- You offer solutions to problems people know they have
2. You need immediate results
- Google Ads can drive traffic and leads within hours of launching
- Great for time-sensitive campaigns or seasonal businesses
3. You’re in a high-intent industry
- Legal services, healthcare, home services, professional services, B2B SaaS
- Industries where purchase decisions start with search
4. You have a higher customer lifetime value
- Google’s higher costs make sense when customers are worth $1,000+ each
- One conversion justifies the ad spend
5. You offer local services
- Google Maps and Local Service Ads put you in front of nearby customers
- “Near me” searches have grown 250% in recent years
6. You want to compete on price or features
- Google Shopping ads directly compare your pricing with competitors
- Great for beating competitors on value
Real-world scenarios where Google Ads wins:
- A plumbing company wants to capture “emergency plumber Auckland” searches
- A SaaS company targets “best project management software for teams”
- A law firm wants to appear for “personal injury lawyer near me”
- An accounting firm targets “small business accounting services”
When to Use Facebook Ads
Choose Facebook Ads when:
1. Your product is visually appealing
- Fashion, food, home decor, beauty, fitness, travel
- Products that look great in photos or videos
2. Your target audience is on social media
- B2C brands targeting consumers
- E-commerce brands selling impulse-buy products
- Lifestyle brands building community
3. You need to create demand
- Introducing a new product or service
- Building awareness for something people don’t search for yet
- “Selling the problem before selling the solution”
4. You want to build a brand
- Long-term brand building and storytelling
- Creating emotional connections with customers
- Building a community around your brand
5. You have a lower customer lifetime value
- Facebook’s lower costs make sense for products under $100
- Volume-based businesses that need lots of smaller conversions
6. You want to retarget website visitors
- Facebook’s pixel tracks everyone who visits your site
- You can show ads to people who viewed specific products but didn’t buy
- 98% of first-time visitors leave without converting—Facebook brings them back
7. You want detailed demographic targeting
- Target “women aged 25-35 in Auckland who are engaged and interested in wedding planning”
- Facebook’s data is unmatched for niche audience targeting
Real-world scenarios where Facebook Ads wins:
- A clothing brand wants to reach fashion-conscious millennials
- A fitness studio wants to build awareness in their local area
- An e-commerce store wants to retarget people who abandoned their cart
- A B2B company wants to reach decision-makers by job title and company size
Industries That Perform Best on Each Platform
Google Ads Wins For:
- Legal services (personal injury, family law, criminal defense)
- Healthcare (dentists, medical practices, specialists)
- Home services (plumbers, electricians, HVAC, locksmiths)
- Financial services (accounting, financial planning, insurance)
- B2B SaaS & software
- Professional services (consultants, coaches, agencies)
- Local service businesses
- Emergency services
Facebook Ads Wins For:
- Fashion & apparel
- Beauty & personal care
- Fitness & health
- Food & beverage
- E-commerce & online retail
- Events & experiences
- Real estate (awareness and lead generation)
- Travel & hospitality
- Entertainment
- Subscription services
Both Platforms Work Well For:
- Real estate (Google for “homes for sale,” Facebook for neighborhood marketing)
- Automotive (Google for “best SUVs 2025,” Facebook for lifestyle branding)
- Education (Google for “online MBA programs,” Facebook for awareness campaigns)
- B2B services (Google for immediate leads, Facebook for brand building)
Industry Performance: Which Industries Win on Each Platform
Google Ads Performance by Industry (2025 Data)
| Industry | Avg CPC | Avg CVR | Best Use Case |
|---|---|---|---|
| Legal Services | $47.07 | 7.94% | Personal injury, family law |
| Insurance | $18-$50 | 7.19% | Auto, health, life insurance |
| Finance & Banking | $15-$40 | 7.19% | Loans, credit cards, financial planning |
| Healthcare/Dentists | $12-$25 | 6.83% | Dental services, medical specialists |
| Home Services | $12-$25 | 5.60% | Plumbing, HVAC, electrical |
| Professional Services | $10-$20 | 5.40% | Consulting, coaching, agencies |
| B2B Services | $8-$15 | 4.80% | Software, tools, business services |
| E-commerce/Retail | $1-$2 | 1.91% | Shopping campaigns |
| Travel | $1.50-$3 | 3.20% | Flights, hotels, experiences |
| Arts & Entertainment | $1.50-$3 | 2.80% | Events, tickets, experiences |
Key insight: High-cost industries (legal, insurance, finance) justify their higher CPCs with higher customer lifetime values. One client can be worth $10,000-$50,000+.
Facebook Ads Performance by Industry (2025 Data)
| Industry | Avg CPC | Avg CVR | Best Use Case |
|---|---|---|---|
| Fitness & Health | $0.51 | 14.29% | Gyms, supplements, online fitness |
| Education | $0.36 | 13.58% | Online courses, coaching programs |
| Healthcare | $0.56 | 11.00% | Wellness, telemedicine, health products |
| Real Estate | $0.33 | 10.68% | Lead generation, property listings |
| B2B Services | $0.65 | 10.63% | Software, tools, business services |
| Legal Services | $0.69 | 5.60% | Lead generation (lower quality than Google) |
| Beauty & Personal Care | $0.60 | 9.80% | Cosmetics, skincare, salons |
| Food & Beverage | $0.29 | 8.50% | Restaurants, meal delivery, CPG |
| Fashion & Apparel | $0.30 | 8.20% | Clothing, accessories, footwear |
| Travel | $0.17 | 7.40% | Hotels, tours, experiences |
Key insight: Visual and lifestyle industries dominate Facebook. Lower CPCs and higher conversion rates make Facebook ideal for brands with broad appeal.
Seasonal Performance Trends
Google Ads sees sharp seasonal swings:
- Black Friday/Cyber Monday: CPC increases 26%, sales increase 30%
- Holiday shopping (Nov-Dec): 40% increase in retail CPCs
- January: Drop in CPCs as competition decreases
- Tax season (Feb-April): Legal and financial services see 35% CPC increases
Facebook Ads maintains steadier performance:
- Less dramatic seasonal swings
- Q4 sees 15-20% CPM increases (holiday competition)
- Summer months see slight decreases in engagement
- B2B campaigns see drops in Dec-Jan (holiday slowdowns)
Combining Both Platforms: The Winning Strategy
The smartest advertisers don’t choose between Google Ads and Facebook Ads—they use both strategically.
The 80/20 Budget Split Rule
A common approach is the 80/20 rule:
- 80% of budget on the platform that drives immediate conversions (usually Google)
- 20% of budget on the platform that builds awareness and nurtures leads (usually Facebook)
Example for a $5,000/month budget:
- Google Ads: $4,000 (focus on high-intent keywords and conversions)
- Facebook Ads: $1,000 (focus on remarketing and brand awareness)
The Full-Funnel Strategy
Use both platforms to cover the entire customer journey:
Stage 1: Awareness (Top of Funnel)
- Facebook Ads: Create brand awareness with engaging content
- Goal: Introduce your brand to people who don’t know you exist
- Metrics: Reach, impressions, engagement, video views
Stage 2: Consideration (Middle of Funnel)
- Facebook Ads: Retarget website visitors with case studies, testimonials, product demos
- Google Display Ads: Remarketing campaigns to stay top-of-mind
- Goal: Nurture interest and build trust
- Metrics: Click-through rate, time on site, email signups
Stage 3: Conversion (Bottom of Funnel)
- Google Search Ads: Capture high-intent searches from people ready to buy
- Facebook Lead Ads: Capture email addresses from warm prospects
- Goal: Convert interested prospects into customers
- Metrics: Conversions, cost per acquisition, ROI
Stage 4: Retention (Post-Purchase)
- Facebook Ads: Promote new products to existing customers
- Google Display Ads: Remarketing for upsells and cross-sells
- Goal: Increase customer lifetime value
- Metrics: Repeat purchase rate, customer LTV
Real-World Full-Funnel Example
Scenario: A B2B SaaS company selling project management software
Month 1-2: Awareness
- Facebook Ads: Target “entrepreneurs,” “startup founders,” “project managers” with educational content
- Budget: $1,500/month
- Goal: 10,000 website visitors, 500 email signups
- Result: Building an audience of warm prospects
Month 3-4: Consideration
- Facebook Ads: Retarget website visitors with case studies and product demos
- Google Display Ads: Remarketing to people who visited pricing page but didn’t sign up
- Budget: $2,000/month
- Goal: 100 free trial signups
- Result: Nurturing interest and demonstrating value
Month 5-6: Conversion
- Google Search Ads: Target “best project management software,” “Asana alternative,” “project management tool”
- Facebook Lead Ads: Offer free consultation to warm prospects
- Budget: $3,500/month
- Goal: 50 paid conversions
- Result: Converting warm prospects and capturing high-intent searches
Overall Results:
- Total spend: $14,000 over 6 months
- Paid customers: 50
- Average customer value: $1,200/year
- Revenue: $60,000 in first year
- ROI: 4.3:1
Platform Synergy: How They Work Together
1. Facebook builds the audience, Google captures the conversion
- Use Facebook to introduce your brand to cold audiences
- When they later search for your product category on Google, your search ad appears
- They’re more likely to click because they recognize your brand
2. Google drives traffic, Facebook retargets
- Google search ads drive high-intent traffic to your site
- 98% leave without converting
- Facebook remarketing brings them back with targeted offers
3. Test on Facebook, scale on Google
- Facebook’s lower costs make it perfect for testing messaging and offers
- Once you find what works, scale it on Google’s higher-intent traffic
4. Facebook qualifies leads, Google closes them
- Use Facebook lead ads to capture email addresses cheaply
- Nurture leads via email
- When they’re ready to buy, they search on Google and see your ad
Budget Allocation Examples
$1,000/month budget:
- Google Ads: $700 (search ads only, limited keywords)
- Facebook Ads: $300 (remarketing only)
- Strategy: Capture easy wins on Google, retarget on Facebook
$2,500/month budget:
- Google Ads: $1,500 (search + display remarketing)
- Facebook Ads: $1,000 (awareness + remarketing)
- Strategy: Build awareness on Facebook, convert on Google
$5,000/month budget:
- Google Ads: $3,000 (search + shopping + display)
- Facebook Ads: $2,000 (awareness + consideration + conversion campaigns)
- Strategy: Full-funnel approach across both platforms
$10,000+/month budget:
Strategy: Dominate all stages of the funnelt
Google Ads: $6,000 (search + shopping + YouTube + display)
Facebook Ads: $4,000 (awareness + lead gen + retargeting + lookalikes)
