Statement vs question PPC headline: CTR fell from 2.71% to 1.99%
Test run byMarketingExperimentsResearch publisher
Commentary byLiftArchiveOur analysis, not theirsSwapping a question-style PPC headline for a statement cut clickthrough rate from 2.71% to 1.99%, so the original question ad won by 36%.
MarketingExperiments (MECLABS) ran this test with an unnamed research partner advertising free content.
The statement shown was the best of three statement versions.
- Clickthrough rate: 2.71% to 1.99%, about -27% relative. The question ad did 36% better. A negative result for the statement.
- The ad group had four ads, one question and three statements, with traffic split evenly. This compares the best two.
- No impression counts or significance level were shared.
- The test measured clicks only, not sign-ups or leads after the click.
Control
A pay-per-click ad with a headline written as a question, shown on searches for 'free content'.
Variant
The same ad with a statement-style headline instead. The end of the second line was tweaked to match each headline.
Why it likely lost
Our reading of the result, not the practitioner's claim.
- A question can mirror what the searcher is already asking, so the ad feels more relevant.
- Questions invite the reader to answer in their head, which may pull more attention in a list of ads.
- The exact ad copy is only shown as an image on the source, so we can't judge the wording itself.
Caveats: 2008 test with no impression counts, significance or post-click data shared. The partner's business type was not stated.
Who ran it
MarketingExperiments ran this test for an anonymized research partner advertising free content and published the results (MarketingExperiments). The numbers are theirs; the summary and commentary on this page are ours.
Read the original case study on MarketingExperiments →
How to run this test on your site
- Hypothesis
- If we phrase our ad headline as the question the searcher is asking, then more people will click because the ad matches their intent.
- Primary metric
- Clickthrough rate
- Guardrails
- Conversion rate after the click
- Cost per lead
- Who should test it
- Lead-gen and SaaS businesses running search ads on question-like or problem-led keywords. It may not help on brand or product-name searches, where a direct statement of the offer is often clearer.
Questions
Do question headlines work better in ads?
In this test the question beat three statements on clickthrough.
It depends on the keyword, so test it on your own campaigns.
Is clickthrough rate enough to pick a winning ad?
No. A higher CTR can bring weaker leads.
Check conversion rate and cost per lead after the click too.
How do I test ad headlines fairly?
Run the versions in the same ad group with even rotation, and change only the headline.
Wait for enough clicks per ad before you decide.