Prompt Library

Create Ads That Convert with AI-Powered Copy

35 copy-paste prompts

35 battle-tested ChatGPT prompts for ad copywriting, campaign strategy, audience targeting, and creative testing across every major platform.

Ad Copywriting

5 prompts

Facebook/Meta Ad Copy Variants

1/35

Write 5 Facebook ad copy variants for [product/service]. Target audience: [describe audience]. The main value proposition is [value prop]. The offer is [offer/discount/free trial]. For each variant use a different hook style: (1) question hook, (2) bold claim hook, (3) story hook, (4) social proof hook, (5) urgency hook. Each ad should have: a scroll-stopping first line (under 125 characters), 2-3 lines of body copy, and a clear CTA. Keep primary text under 125 characters for mobile. Include suggested headline and description fields.

Generates 5 structurally different Facebook ad variants testing different psychological hooks for the same offer.

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Pro tip: Always test hooks, not just copy variations. A question hook and a story hook attract fundamentally different mindsets, even for the same product.

Google Ads Responsive Search Ads

2/35

Create a complete set of Google Responsive Search Ad assets for [product/service]. Target keyword: [primary keyword]. Landing page: [URL or describe page]. Write: (1) 15 unique headlines (max 30 characters each) — mix of keyword-focused, benefit-focused, CTA-focused, and social proof headlines, (2) 4 unique descriptions (max 90 characters each) — each emphasizing a different selling point, (3) pin suggestions for which headlines should appear in position 1, 2, and 3. Ensure no two headlines are too similar and that any combination of 3 headlines reads coherently together.

Creates a full RSA asset set optimized for Google Ads character limits and combination logic.

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Pro tip: Google rewards ad relevance. Make sure at least 3-4 headlines contain your exact target keyword or a close variant.

YouTube Pre-Roll Ad Script

3/35

Write a 30-second YouTube pre-roll ad script for [product/service]. The viewer can skip after 5 seconds. Target audience: [describe]. Structure it as: (1) First 5 seconds — a hook so compelling they do not skip. Use [pattern interrupt / bold question / surprising stat / direct address of pain point]. (2) Seconds 5-20 — present the problem, agitate it, introduce the solution. (3) Seconds 20-25 — key differentiator or social proof. (4) Seconds 25-30 — clear CTA with urgency. Include visual direction notes in brackets. Write for spoken delivery — short sentences, conversational tone, no jargon.

Creates a skip-proof YouTube ad script structured around the critical 5-second threshold.

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Pro tip: The first 5 seconds are everything. If your hook does not create curiosity or relevance immediately, the skip button wins.

LinkedIn Sponsored Content Ad

4/35

Write 3 LinkedIn Sponsored Content ads for [B2B product/service]. Target: [job titles/industries]. Goal: [lead gen/brand awareness/event registration]. Each ad should have: an introductory text (under 600 characters) that sounds like a thought leader sharing insight not a brand selling, a headline (under 70 characters), and a description (under 100 characters). The tone should be professional but not corporate — like a respected peer sharing a recommendation. Avoid words like "leverage," "synergy," "cutting-edge." Include one stat or specific claim per ad.

Generates LinkedIn ads that blend into the feed as thought leadership rather than standing out as obvious advertising.

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Pro tip: LinkedIn ads that look like ads get ignored. The best-performing sponsored content reads like a post from someone smart in your industry.

Retargeting Ad Sequence

5/35

Create a 3-stage retargeting ad sequence for [product/service]. The audience visited [page/took action] but did not convert. Stage 1 (Days 1-3): Address the most likely objection for why they did not buy: [likely objection]. Write 2 ad variants. Stage 2 (Days 4-7): Introduce social proof or a case study. Write 2 ad variants with specific results/testimonials. Stage 3 (Days 8-14): Create urgency with a time-limited offer or scarcity element. Write 2 ad variants. For each ad, specify the platform format (feed, story, sidebar) and include copy for primary text, headline, and CTA button.

Builds a psychologically sequenced retargeting funnel that addresses different objections at each stage.

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Pro tip: Retargeting is a conversation, not repetition. Each touchpoint should say something new. Showing the same ad 10 times is not retargeting, it is annoying.

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Campaign Strategy

5 prompts

Full-Funnel Campaign Plan

6/35

Create a full-funnel advertising campaign plan for [product/service]. Budget: [monthly budget]. Target audience: [describe]. Goal: [sales/leads/signups]. Design the campaign across 3 stages: (1) Top of funnel (awareness) — recommended platforms, ad formats, targeting approach, content themes, and KPIs. (2) Middle of funnel (consideration) — retargeting strategy, content types, messaging shifts from awareness. (3) Bottom of funnel (conversion) — offer strategy, urgency mechanisms, ad formats. Include recommended budget split across stages (typically 60/20/20 or similar). For each stage, suggest 2-3 ad concepts with brief descriptions.

Designs a complete advertising funnel from awareness to conversion with platform recommendations and budget allocation.

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Pro tip: Most advertisers overspend on bottom-funnel and underspend on top-funnel. You cannot convert people who have never heard of you.

Audience Targeting Blueprint

7/35

Build a comprehensive audience targeting strategy for [product/service] on [platform]. Ideal customer: [describe demographics, psychographics, behaviors]. Create: (1) 3 interest-based audiences with specific targeting parameters, (2) 2 lookalike audience strategies (what source audiences to use and at what percentage), (3) 1 behavioral targeting approach, (4) 2 custom audience ideas from existing data (email lists, website visitors, video viewers, etc.), (5) exclusion audiences to prevent wasted spend. For each audience, estimate the expected size and suggest which funnel stage it fits best. Rank all audiences by expected performance and explain your reasoning.

Creates a layered targeting strategy that goes beyond basic demographics to reach high-intent prospects.

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Pro tip: Start with your warmest audiences (custom and lookalike from customers) before scaling to cold interest-based targeting. Warm audiences convert 3-5x better.

Competitive Ad Analysis Framework

8/35

I want to analyze my competitors' advertising strategy. My competitors are: [list 3-5 competitors]. My product: [describe]. Help me build an analysis framework: (1) for each competitor, what should I look for in their ads (messaging themes, offers, CTAs, visual styles, platforms), (2) create a comparison matrix template I can fill in, (3) list the tools I can use to spy on their ads (Facebook Ad Library, Google Ads Transparency, etc.), (4) identify common messaging gaps that all competitors are missing, (5) suggest 3 differentiation angles I could own based on typical gaps in [industry] advertising, and (6) recommend which competitor's approach to study most closely and why.

Provides a systematic framework for analyzing competitor advertising and finding differentiation opportunities.

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Pro tip: Do not copy competitors — decode their strategy. If everyone leads with features, lead with outcomes. If everyone uses stock photos, use real customers.

Seasonal Campaign Calendar

9/35

Create a 12-month advertising campaign calendar for [product/service]. Industry: [industry]. My key selling seasons are: [list peak periods]. Budget peaks and valleys: [describe any budget seasonality]. For each month, suggest: (1) the campaign theme or hook tied to seasonal relevance, (2) recommended platforms to emphasize, (3) ad format suggestions, (4) budget allocation (percentage of annual budget), (5) key dates or events to build around, and (6) creative prep timeline (when to start producing assets). Include a pre-season ramp-up period for each peak season. Note any industry-specific timing considerations.

Plans a full year of advertising with seasonal themes, budget pacing, and creative production timelines.

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Pro tip: The biggest advertising mistake is launching seasonal campaigns too late. Start building audiences 4-6 weeks before your peak season.

Budget Allocation Optimizer

10/35

Help me optimize my advertising budget allocation. Total monthly budget: [amount]. Current platform split: [list platforms and amounts]. Current results: [list cost per acquisition, ROAS, or key metric per platform]. Business goal: [primary objective]. Analyze my current allocation and: (1) identify which platforms are over or underperforming relative to spend, (2) recommend a revised budget split with rationale, (3) suggest how much to allocate to testing new platforms or ad types (typically 10-20%), (4) calculate what my blended CPA or ROAS should be if the reallocation works, (5) propose a 90-day reallocation schedule (do not shift everything at once), and (6) define clear decision criteria for when to increase or decrease spend on each platform.

Analyzes current ad spend distribution and creates a data-driven reallocation plan to improve overall performance.

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Pro tip: Reallocate gradually, not all at once. Shift 10-15% of budget per week and monitor performance before making the next adjustment.

Creative Briefs & Testing

5 prompts

Creative Brief Generator

11/35

Write a complete creative brief for an advertising campaign. Product: [product/service]. Objective: [campaign goal]. Target audience: [describe in detail]. Key message: [single most important thing to communicate]. The brief should include: (1) Background — what problem does the product solve, (2) Target audience profile — demographics, psychographics, media habits, (3) Single-minded proposition — one sentence that captures the core idea, (4) Support points — 3 reasons to believe, (5) Tone and manner — how the brand should feel, (6) Mandatories — logos, legal disclaimers, brand guidelines, (7) Deliverables — list all ad sizes and formats needed, (8) Timeline — key milestones. Make it concise enough to fit on one page.

Produces a professional creative brief that gives designers and copywriters everything they need to produce on-brand advertising.

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Pro tip: The best creative briefs are ruthlessly focused. If your brief has 5 key messages, you have zero key messages.

A/B Test Plan for Ad Creative

12/35

Design a structured A/B testing plan for ads promoting [product/service] on [platform]. Current best-performing ad: [describe or paste copy]. Monthly budget for testing: [amount]. Create a 6-week testing roadmap: Week 1-2: test [variable 1 — e.g., hooks/headlines], Week 3-4: test [variable 2 — e.g., images/video vs static], Week 5-6: test [variable 3 — e.g., offers/CTAs]. For each test: (1) what exactly we are isolating, (2) the control and variant(s), (3) sample size needed for statistical significance, (4) primary metric to judge the winner, (5) budget per variant. Include rules for when to kill a variant early and when to let it run.

Creates a systematic creative testing roadmap that isolates variables and builds compound learnings over 6 weeks.

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Pro tip: Only test one variable at a time. If you change the headline AND the image, you will never know which change drove the result.

Ad Hook Generator

13/35

Generate 20 ad hooks for [product/service]. Target audience: [describe]. The problem we solve: [problem]. The desired outcome: [what customer gets]. Create hooks in these categories (4 each): (1) Question hooks — challenge an assumption or highlight a pain point, (2) Statistic hooks — use a surprising number (real or structured as a claim to verify), (3) Story hooks — open a micro-narrative in one line, (4) Contrarian hooks — challenge conventional wisdom in the industry, (5) Result hooks — lead with a specific outcome or transformation. Each hook should be under 15 words and work as the first line of an ad on Facebook, Google, or LinkedIn. Rank your top 5 picks and explain why they would stop the scroll.

Produces 20 diverse hooks across 5 psychological categories to test which opening style resonates with your audience.

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Pro tip: The hook is 80% of your ad's performance. Spend 80% of your creative energy on the first line and 20% on everything else.

UGC-Style Ad Script

14/35

Write a 45-60 second UGC (user-generated content) style video ad script for [product/service]. This should feel like a real person talking to camera, not a polished commercial. Target audience: [describe]. Structure: (1) Hook (first 3 seconds) — something personal and relatable that stops the scroll, (2) Problem (seconds 3-15) — describe the frustration in everyday language, (3) Discovery (seconds 15-25) — how they found the product (keep it casual), (4) Experience (seconds 25-45) — specific details about using it, what changed, one concrete result, (5) CTA (seconds 45-60) — natural recommendation, not salesy. Include delivery notes: speaking pace, where to look, hand gestures, background setting. Write in the voice of a [age/gender/persona] creator.

Creates an authentic-feeling UGC ad script that blends into social feeds rather than looking like advertising.

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Pro tip: The best UGC ads feel slightly imperfect. If it looks too polished, viewers will clock it as an ad immediately. Film on a phone, not a studio camera.

Landing Page and Ad Alignment Audit

15/35

I need to make sure my ads and landing page are aligned. Here is my ad copy: [Paste your ad copy] Here is my landing page headline and key sections: [Paste landing page content or describe it] Audit the alignment: (1) Does the landing page headline match the ad promise? If not, suggest a fix. (2) Is the offer on the landing page identical to the ad? Flag any discrepancies. (3) Is the visual style/tone consistent between ad and page? (4) Does the landing page CTA match the ad CTA? (5) Identify any "scent breaks" where a visitor might feel they landed on the wrong page. (6) Score the overall message match on a scale of 1-10 and provide specific recommendations to improve it.

Ensures your ad-to-landing-page experience maintains message continuity and reduces bounce from scent breaks.

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Pro tip: Every disconnect between ad and landing page costs you conversions. The landing page should feel like the next sentence of the ad, not a different conversation.

Performance Optimization

5 prompts

Ad Account Audit Checklist

16/35

Create a comprehensive ad account audit checklist for [platform — Google Ads / Facebook / LinkedIn / etc.]. My account currently runs [number] campaigns with a monthly spend of [amount]. I suspect there is wasted spend. Build an audit covering: (1) Account structure — campaign organization, ad group/set structure, naming conventions, (2) Targeting — audience overlap, negative keywords/exclusions, geographic settings, (3) Bidding — strategy appropriateness, bid caps, budget pacing, (4) Creative — ad fatigue indicators, variant diversity, format mix, (5) Tracking — conversion setup, attribution model, pixel health, (6) Quick wins — the 5 things I should check first that most commonly waste money. For each item, explain what to look for and what a red flag looks like.

Provides a systematic audit framework to identify wasted ad spend and structural issues in any ad account.

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Pro tip: The average ad account wastes 20-30% of its budget. The most common culprits: audience overlap, poor negative keywords, and ad fatigue.

Negative Keyword Strategy

17/35

Build a comprehensive negative keyword strategy for my Google Ads account. My business: [describe product/service]. My target keywords: [list main keywords]. Common irrelevant searches we probably get: [any you know about]. Create: (1) a campaign-level negative keyword list (broad terms that never apply to my business), (2) ad group-level negatives to prevent keyword cannibalization, (3) industry-specific negatives I might not have thought of, (4) a process for weekly search term review and negative keyword maintenance, and (5) negative keyword match type recommendations (broad vs phrase vs exact) for each term. Organize by category: competitors, job-seekers, students/free-seekers, wrong intent, wrong geography.

Creates a multi-layered negative keyword strategy that prevents wasted spend from irrelevant search queries.

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Pro tip: Review your search terms report weekly, not monthly. Irrelevant clicks accumulate fast and the sooner you catch them, the less budget you waste.

Ad Fatigue Diagnosis and Refresh

18/35

My ads are showing signs of fatigue. Platform: [platform]. The ads have been running for [duration]. Current metrics: CTR [X%] (was [Y%]), CPA [X] (was [Y]), frequency [X]. Help me: (1) confirm whether this is actually ad fatigue vs other issues (audience saturation, seasonal changes, competition), (2) calculate the optimal frequency cap I should have set, (3) create 3 refreshed versions of my best-performing ad that feel new but keep the winning elements, (4) suggest 2 completely new angles to test, (5) recommend a creative refresh schedule going forward (how often to rotate), and (6) design a creative testing pipeline so I always have fresh ads ready before fatigue hits.

Diagnoses ad fatigue, generates refreshed creative, and establishes a sustainable creative rotation system.

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Pro tip: Plan for ad fatigue before it happens. Always have your next set of ads in production before your current set starts declining.

ROAS Improvement Plan

19/35

My current ROAS is [X] and I need it to be [Y]. Platform: [platform]. Product price: [price]. Current CPA: [amount]. Current conversion rate: [percentage]. Funnel: [describe — click to landing page to purchase]. Help me model what needs to change: (1) calculate the maximum CPA I can afford at my target ROAS, (2) identify which lever has the most impact — lowering CPC, improving CTR, improving landing page conversion rate, or increasing AOV, (3) for each lever, suggest 3 specific tactics to improve it, (4) create a 30-60-90 day improvement plan with specific targets for each metric, and (5) identify the point at which scaling becomes unprofitable and what signals to watch for.

Reverse-engineers your ROAS target into specific, actionable metric improvements across the entire ad funnel.

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Pro tip: ROAS is a lagging indicator. Focus on leading indicators: CTR, landing page conversion rate, and AOV. Fix those and ROAS follows.

Attribution Model Selection

20/35

Help me choose the right attribution model for my business. My sales cycle: [length from first touch to purchase]. My channels: [list all marketing channels]. My customer journey typically looks like: [describe common paths]. My current attribution model: [last-click/first-click/linear/etc.]. Explain: (1) how my current model is likely misrepresenting performance, (2) which channels are probably getting too much credit and too little credit, (3) recommend the best attribution model for my business with rationale, (4) explain how changing the model will shift my budget allocation decisions, (5) suggest a practical implementation plan for the new model, and (6) recommend a testing approach to validate the new model (e.g., incrementality testing).

Guides you through attribution model selection and shows how it changes which channels appear profitable.

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Pro tip: Last-click attribution over-credits bottom-funnel channels and under-credits awareness. If you only optimize for last-click, you will eventually kill your pipeline.

Platform-Specific

5 prompts

TikTok Ad Creative Strategy

21/35

Create a TikTok advertising strategy for [product/service]. Target audience: [describe — age, interests, behaviors on TikTok]. Budget: [amount]. Design: (1) 3 native-feeling ad concepts that use TikTok trends without looking like ads (describe the visual concept, hook, and CTA for each), (2) recommended ad placements (In-Feed, TopView, Branded Hashtag Challenge, Spark Ads), (3) a creator partnership brief for 2 types of creators who would resonate with our audience, (4) sound/music strategy — trending sounds to consider, (5) ideal video lengths and pacing for each concept, and (6) a testing plan for the first month. The ads must not look like ads — TikTok users scroll past anything polished.

Designs a TikTok-native advertising strategy that blends into the For You Page rather than disrupting it.

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Pro tip: The golden rule of TikTok ads: make TikToks, not ads. Study the platform for a week before creating anything. The format is the strategy.

Google Performance Max Setup

22/35

Help me set up a Google Performance Max campaign for [product/service]. Business type: [ecommerce/lead gen/local]. Website: [URL or describe]. Current Google Ads setup: [describe existing campaigns]. Create: (1) asset group strategy — how many groups, how to segment them, (2) complete text assets — 5 headlines (30 chars), 5 long headlines (90 chars), 5 descriptions (90 chars), (3) image and video asset recommendations (sizes and styles), (4) audience signal recommendations (custom segments, interests, demographics), (5) bid strategy recommendation with rationale, and (6) a monitoring plan for the first 4 weeks — what metrics to watch and when to intervene. Include common PMax pitfalls to avoid.

Creates a complete Performance Max campaign setup with all required assets, audience signals, and a monitoring plan.

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Pro tip: PMax is a black box. Feed it strong audience signals and diverse creative assets. Monitor search terms reports — PMax can waste spend on branded terms if you are not careful.

Amazon Sponsored Products Campaign

23/35

Create an Amazon Sponsored Products campaign strategy for [product]. Product category: [category]. Current BSR: [if known]. Price: [price]. Key competitors: [list]. Design: (1) keyword research — 20 high-intent keywords in exact, phrase, and broad match, (2) campaign structure — auto campaigns vs manual campaigns, how to organize them, (3) negative keyword strategy specific to Amazon, (4) bidding strategy — starting bids and adjustment rules, (5) a plan for harvesting converting search terms from auto campaigns, and (6) a 30-day optimization schedule. Include ACoS targets for launch phase vs mature phase.

Builds a complete Amazon PPC strategy from keyword research to campaign structure to optimization schedule.

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Pro tip: Start with auto campaigns to discover what converts, then graduate winning terms to manual campaigns with exact match for tighter control.

Email List Retargeting Campaign

24/35

Design a retargeting campaign using my email list. List size: [number]. List composition: [customers, leads, newsletter subscribers, etc.]. Platform: [Facebook/Google/LinkedIn]. I want to [goal — re-engage past customers, upsell, win back churned users, etc.]. Create: (1) audience segmentation strategy — how to split the list for different messaging, (2) ad creative for each segment (2 variants per segment), (3) exclusion strategy — who should NOT see these ads, (4) lookalike audience strategy built from the best segments, (5) frequency and duration recommendations, and (6) a measurement plan — what counts as success for each segment. Include privacy/compliance considerations for email list targeting.

Maximizes the value of your email list through segmented, platform-specific retargeting with tailored messaging per segment.

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Pro tip: Your customer email list makes the best lookalike source. A 1% lookalike from buyers outperforms any interest-based audience.

Local Business Ad Strategy

25/35

Create a local advertising strategy for [type of local business] in [city/region]. Monthly budget: [amount]. Service area: [radius or neighborhoods]. Current marketing: [what you do now]. Design: (1) Google Local Services Ads setup and optimization tips, (2) Google Ads local campaign with geo-targeting settings and ad copy, (3) Facebook/Instagram ads targeting local audiences (radius targeting, local interests, community groups), (4) a review generation strategy that feeds into ad social proof, (5) local landing page recommendations — what to include for local SEO and ad relevance, and (6) tracking setup to measure calls, directions, and foot traffic from ads. Include budget split recommendations across platforms.

Creates a multi-platform local advertising strategy optimized for driving foot traffic, calls, and local conversions.

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Pro tip: For local businesses, Google dominates when people are searching for you. Facebook dominates when you need to create demand. Budget both.

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Ad Analytics & Reporting

5 prompts

Weekly Ad Performance Report Template

26/35

Create a weekly advertising performance report template for [platform(s)]. My key metrics: [list — spend, impressions, clicks, CTR, CPA, ROAS, conversions, etc.]. My stakeholders: [who reads this — CEO, marketing manager, client, etc.]. Design a report that includes: (1) executive summary — 3 sentences maximum covering performance, key wins, and concerns, (2) metric dashboard with week-over-week and month-over-month comparisons, (3) top and bottom performing campaigns/ad sets with analysis of why, (4) creative performance — which ads are winning and losing, (5) budget pacing — are we on track to hit monthly targets, (6) action items for next week, and (7) one insight or learning that applies beyond this week. Format it so a non-marketer can understand the story.

Builds a stakeholder-friendly weekly reporting template that tells a performance story, not just a data dump.

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Pro tip: Executives do not care about CTR. They care about revenue and efficiency. Lead with business impact, then drill into marketing metrics for those who want detail.

Campaign Post-Mortem Analysis

27/35

Help me write a campaign post-mortem. Campaign: [name/description]. Duration: [dates]. Budget: [total spend]. Goal: [what we wanted to achieve]. Results: [actual results vs targets]. Create a structured post-mortem: (1) Executive summary — did we hit the goal? By how much over or under? (2) What worked — top 3 wins with data to support each, (3) What did not work — top 3 underperformers with root cause analysis, (4) Surprises — anything unexpected that we should learn from, (5) Creative learnings — which messages, formats, and hooks resonated, (6) Audience learnings — which segments performed best, (7) Specific recommendations for the next campaign, and (8) A/B test results and their implications. Be honest about failures, not just celebratory about wins.

Creates a thorough campaign post-mortem that extracts actionable learnings from both successes and failures.

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Pro tip: The post-mortem is the most valuable document in advertising. Teams that review and learn from every campaign compound their performance over time.

Ad Spend Forecasting Model

28/35

Help me build an ad spend forecast for the next [3/6/12] months. Current monthly spend: [amount]. Current CPA: [amount]. Current ROAS: [ratio]. Revenue goal: [target]. Growth rate desired: [percentage]. Create a forecasting model that includes: (1) projected monthly spend needed to hit revenue targets, (2) expected CPA changes as we scale (diminishing returns model), (3) platform-by-platform budget recommendations, (4) seasonal adjustment factors for [industry], (5) a conservative, moderate, and aggressive scenario, and (6) the breakeven ROAS at each spend level. Show the math so I can adjust assumptions. Flag the point where scaling becomes inefficient.

Projects future ad spend requirements with multiple scenarios accounting for diminishing returns and seasonal factors.

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Pro tip: CPA always increases as you scale. Budget an additional 15-25% CPA increase for every 2x in spend. The first dollars are always the most efficient.

Cross-Channel Performance Comparison

29/35

I am running ads on multiple platforms and need to compare performance fairly. My platforms and metrics: [List each platform with: spend, impressions, clicks, conversions, revenue] Analyze: (1) normalize metrics across platforms (different platforms report differently — help me compare apples to apples), (2) calculate true CPA, ROAS, and cost per impression for each, (3) identify which platform is most efficient for each funnel stage, (4) flag any attribution overlap (same conversion counted by multiple platforms), (5) recommend budget reallocation based on the data, and (6) suggest which metrics to prioritize for each platform based on its role in the funnel. Include caveats about comparing self-reported platform data.

Normalizes cross-platform ad data to enable fair comparison and smarter budget allocation across channels.

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Pro tip: Every platform over-reports its own conversions. Expect 20-40% inflation in self-reported conversions. Use a third-party source of truth when possible.

Incrementality Test Design

30/35

Help me design an incrementality test for my advertising on [platform]. I want to measure whether my ads are actually driving incremental sales or just capturing demand that would have happened anyway. My current setup: [describe campaigns, targeting, spend]. Design: (1) explain what incrementality testing is and why it matters for my situation, (2) recommend a test methodology (geo-lift, ghost ads, holdout groups, etc.) appropriate for my budget and scale, (3) define the test and control groups, (4) calculate the minimum test duration and sample size needed, (5) list the metrics I should track during the test, and (6) explain how to interpret the results and what to do with the findings. Include what a good vs bad incrementality result looks like.

Designs a controlled experiment to measure whether your ads create new demand or just capture existing demand.

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Pro tip: Incrementality testing often reveals that branded search ads capture demand without creating it. This is uncomfortable knowledge but can save you thousands.

Frequently Asked Questions

ChatGPT can produce solid first drafts of ad copy, but conversion depends on many factors beyond the words: targeting, offer, landing page experience, timing, and creative format. Use ChatGPT to generate a high volume of variants quickly, then let platform algorithms and A/B testing identify the winners. The prompts in this guide are structured to produce ads that follow proven direct response principles, but real-world testing is the only way to confirm what converts for your specific audience.
For most budgets, test 3-5 variants per ad set. Fewer than 3 does not give the algorithm enough options. More than 5 spreads your budget too thin and takes too long to reach statistical significance. The key is to test one variable at a time — if you change the headline, image, and CTA simultaneously, you cannot learn which change drove the result. Start with hook testing (highest impact), then move to body copy, then CTAs.
It depends on your business model. For direct-to-consumer products, start with Meta (Facebook and Instagram) — the targeting and creative testing tools are unmatched for consumer audiences. For B2B or high-intent services, start with Google Ads — you are capturing existing demand. For B2B brand building, LinkedIn. For younger audiences and impulse purchases, TikTok. Start with ONE platform, master it, then expand. Spreading a small budget across 4 platforms means you will learn nothing on any of them.
There is no universal minimum, but a practical rule: you need enough budget to generate 50 conversion events per week per ad set for the platform algorithm to optimize effectively. Calculate backward from your expected conversion rate and cost per click. If your CPC is 2 dollars and your conversion rate is 5 percent, you need about 1000 clicks (2000 dollars) to get 50 conversions per week. Below this threshold, your campaigns will struggle to exit the learning phase and performance will be inconsistent.
Focus on these metrics in order of importance: (1) ROAS or CPA — are you profitable? (2) Conversion rate — are clicks turning into customers? (3) CTR — are people engaging with your ads? (4) Frequency — are you showing ads too often to the same people? A healthy ad account shows stable or improving CPA, CTR above platform benchmarks (1 percent for Facebook, 3-5 percent for Google Search), and frequency below 3 for prospecting audiences. If CPA is climbing, diagnose whether it is a creative issue (declining CTR), a targeting issue (audience exhaustion), or a landing page issue (declining conversion rate).

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