What Are Headlines and Descriptions in Google Ads?
- Gerald D'Onofrio
- Apr 11
- 3 min read
Updated: Apr 22
If you've ever searched on Google and clicked on an ad at the top of the results, you've interacted with two critical ad components: headlines and descriptions. These elements determine whether users click your ad or scroll past it. Let's break down what they are, how they work together, and how to optimize them for better performance.

Google Ads Headlines Explained
What Are Headlines?
Headlines are the bold, clickable text that appears first in your Google Ads. You get:
Up to 3 headlines (up to 30 characters each)
Headline Requirements
✔ Max 30 characters per headline
✔ At least 1 headline required
✔ Should include your main keyword
Good vs. Bad Headline Examples
✅ Effective: "24/7 Plumbing Services | Fast Response | Free Quotes"
❌ Ineffective: "We Do Plumbing Call Us Now"
Google Ads Descriptions Explained
What Are Descriptions?
Descriptions provide additional context below headlines:
90-character limit (for regular search ads)
Appears in smaller font
Should expand on your offer
Description Best Practices
✔ Include a clear CTA ("Call Now", "Get Quote")
✔ Highlight unique value propositions
✔ Use emotional triggers ("Don't miss this limited-time offer")
Description Examples
✅ Strong: "Local plumbers available 24/7. No overtime charges. 100% satisfaction guarantee. Call for immediate service!"
❌ Weak: "We do plumbing work at good prices."
How Headlines & Descriptions Work Together
Google dynamically combines your assets to create the most relevant ad. Key points:
Headlines grab attention
Descriptions provide details
Pro Tip:
"Use all 3 headline slots and both description lines to give Google more combinations to test."
5 Tips for High-Performing Ads
Keyword Optimization
Include exact match keywords in headlines
Use related terms in descriptions
Emotional Triggers
"Limited-time offer"
"Exclusive deal for [city] residents"
Social Proof
"Trusted by 10,000+ customers"
"Rated 4.9/5 stars"
Clear CTAs
"Get free estimate"
"Download now"
Mobile Optimization
Front-load important info (headlines get cut off on mobile)
Common Mistakes to Avoid
❌ Keyword stuffing (makes ads sound robotic)
❌ Generic claims ("We're the best")
❌ Ignoring character limits (text gets truncated)
❌ Forgetting mobile users (60% of clicks come from mobile)
Frequently Asked Questions
1. How many headlines can I use?
Up to 3 for search ads, up to 5 for Performance Max campaigns.
2. Can I use emojis in ads?
Yes, but sparingly. Test them as they can increase or decrease CTR.
3. Do descriptions affect Quality Score?
Indirectly - better descriptions improve CTR, which boosts Quality Score.
Where to Learn More
For Google's official guidelines:
Conclusion - Mastering Google Ads Headlines & Descriptions
Crafting effective headlines and descriptions is both an art and a science. While headlines grab attention in just 30 characters, descriptions provide the crucial details that convince searchers to click. Remember:
✅ Great headlines are specific, benefit-driven, and keyword-optimized
✅ Powerful descriptions build on those benefits with social proof and clear CTAs
✅ Together, they determine your ad's CTR, Quality Score, and ultimately, your ROI
But here's the reality - even with perfect ad copy, you still need:
✔ Strategic keyword selection
✔ Ongoing A/B testing
✔ Competitor analysis
✔ Conversion rate optimization
That's where we come in.
Want ads that convert? Our team of certified Google Ads specialists will:
Audit your current ads for missed opportunities
Craft high-converting headlines & descriptions tailored to your audience
Continuously test and optimize for maximum performance
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