Dynamic text landing pages for a law firm: +12% conversion rate

WinnerSeveral changes tested togetherLanding page

Corso Law Group's conversion rate rose 12% and bounce rate fell 12% after KlientBoost moved paid traffic to landing pages that swap their text to match each service searched.

KlientBoost ran the work for the criminal defense firm and published it as a PDF case study.

The pages launched together with call-only ads, negative keywords and micro-conversion tracking, so the lift belongs to the whole package, not the pages alone.

+12% conversion rate
  • Conversion rate: up 12%. A modest gain, credited to the whole engagement rather than the pages alone.
  • Bounce rate: down 12%. Fewer visitors left right away, which fits better message match.
  • Search impression share: up 11%, an ad-side metric that the landing pages did not drive.
  • The agency also says spend was cut in half over the same period, though no exact figures were given.

The change

Control (A)
header
Prior generic pageREPLACED
General service copy
Contact form
testimonials
Variant (B)
header
Headline names searched serviceNEW
Service-specific copyNEW
Call now
Free consultation form
testimonials

The headline and copy swap in the service the visitor searched for.

Simplified mockup drawn by LiftArchive from the shared screenshots.

Control

Paid search traffic went to the firm's earlier pages, which did not adapt to the specific legal service a visitor had searched for.

Variant

New landing pages used dynamic text replacement, so the headline and copy reflected the service in the visitor's search. The account also gained call-only ads, negative keywords and micro-conversion tracking.

Why it likely won

Our reading of the result, not the practitioner's claim.

  • A person searching for one charge, such as a DUI, sees that charge named on the page and feels they are in the right place.
  • Legal searches are urgent and specific, so a generic practice page makes visitors work harder to confirm the fit.
  • Negative keywords likely removed poor-fit clicks, which would lift conversion rate on any page.
  • Call-only ads may have moved some ready-to-act visitors to the phone, which changes who reaches the page.

Caveats: This is an agency-reported before-and-after result from a full paid-search engagement, not a split test. Ads, keywords, targeting and landing pages all changed together, no sample size or significance was shared, and the date is not stated. The agency also reports halving spend in the same period, which changes traffic mix.

Who ran it

KlientBoost ran this test for criminal defense law firm and published the results (KlientBoost case study (PDF)). The numbers are theirs; the summary and commentary on this page are ours.

Read the original case study on KlientBoost →

How to run this test on your site

Hypothesis
If we change the landing page headline to name the exact legal service in the visitor's search, then more visitors will submit a consultation request because the page confirms we handle their case.
Primary metric
Consultation form submissions and tracked calls per landing page visitor
Guardrails
  • Cost per lead
  • Bounce rate
  • Share of leads that qualify as real cases
Who should test it
Law firms and other service businesses that run paid search across several distinct services. It matters less if you only offer one service or your traffic is mostly branded searches.

Questions

What is dynamic text replacement on a landing page?

It swaps words on the page, usually the headline, to match the keyword or ad that brought the visitor.

One page can then speak to many searches without building a separate page for each.

Does dynamic text replacement hurt SEO?

It is normally used on paid landing pages that are kept out of search indexes, so organic rankings are not affected.

Keep a sensible default headline for visitors who arrive without a matching keyword.

Is a 12% lift in conversion rate worth chasing for a law firm?

For high-value cases, even small gains in lead rate can pay off.

Check that lead quality holds, since a lift in form fills that are not real cases does not help.

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