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Head-to-head · SEO Testing Software

SERP Split vs RankLooper

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score SERP Split #5 in SEO Testing Software 8.6/10 Free plan Free plan✓ 1 of 2 features Visit SERP Split
RankLooper #8 in SEO Testing Software 8.1/10 Paid ✓ 2 of 2 features Visit RankLooper

SERP Split leads on 1 check, RankLooper on 0, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSERP Split · 8.6/10
  • Free planonly SERP Split
  • Most featuresRankLooper · 2 of 2

SERP Split scores higher on our rubric for seo testing software: 8.6 against 8.1 out of 10; our editors rank them #5 and #8.

SERP Split offers free plan; RankLooper doesn't. On search data source, RankLooper gives you Mixed where SERP Split offers Search_console.

SERP Split is the better fit for teams wanting free, statistically rigorous testing. RankLooper is the better fit for agencies managing automated SEO experiments.

  • SERP Split fits best

    Teams wanting free, statistically rigorous testing

  • RankLooper fits best

    Agencies managing automated SEO experiments

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature SERP Split 8.6/10 Visit ↗ RankLooper 8.1/10 Visit ↗
At a glance
Editor score 8.6 8.1
Ranking #5 in SEO Testing Software #8 in SEO Testing Software
Best for Teams wanting free, statistically rigorous testing Agencies managing automated SEO experiments
Pricing model Free Paid
Starting price Free €299/mo
Free plan ✓ (best) —
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Docs Email, Phone
Built for Solo, Small business Small business, Mid-market, Enterprise
Features SERP Split 1/2 · RankLooper 2/2
Organic traffic impact ✓ ✓
Ranking impact Not checked yet ✓ (best)
Specs
Experiment method Holdout Not checked yet
Search data source Search_console Mixed
Active test limit Not checked yet Not checked yet
Supported page types Similar pages; pages with metadata, headings, templated copy, schema, internal links, content, or performance changes Any website; HTML platforms; Shopify; WordPress; Next.js
Our review
Pros
  • Creates stratified test and control groups from URL and click data
  • Measures traffic uplift, click changes, p-values, and significance
  • Supports metadata, content, schema, links, and performance experiments
  • 50/50 tests compare original pages with automated mutations.
  • Connects Google Search Console data with ranking and traffic analysis.
  • Supports agency workflows, multi-domain projects, and white-label reporting.
Cons
  • Requires CSV uploads instead of a direct website connection
  • Does not provide ranking measurement
  • Does not document native analytics or search-platform integrations
  • The paid entry plan starts at €299 per month.
  • Advanced testing features begin with the €699-per-month Evolution plan.
  • The platform may be more than needed for single-site manual SEO work.
Our verdict

SERP Split is a free SEO testing tool for website owners, SEO professionals, and marketing teams. It creates test and control groups from URL and historical-click CSV files, allowing teams to apply an SEO change to one group and compare…

Read the review →

RankLooper is an SEO and GEO optimization platform for website owners and agencies that want to measure and automate search-focused changes. It connects to Google Search Console to analyze keyword positions, clicks, impressions, and CTR,…

Read the review →
  1. SERP SplitSEO Testing Software 8.6Free plan
  2. RankLooperSEO Testing Software 8.1Paid

Strengths and trade-offs

  • SERP Split — where it wins

    • Creates stratified test and control groups from URL and click data
    • Measures traffic uplift, click changes, p-values, and significance
    • Supports metadata, content, schema, links, and performance experiments

    Where it doesn't

    • Requires CSV uploads instead of a direct website connection
    • Does not provide ranking measurement
    • Does not document native analytics or search-platform integrations

  • RankLooper — where it wins

    • 50/50 tests compare original pages with automated mutations.
    • Connects Google Search Console data with ranking and traffic analysis.
    • Supports agency workflows, multi-domain projects, and white-label reporting.

    Where it doesn't

    • The paid entry plan starts at €299 per month.
    • Advanced testing features begin with the €699-per-month Evolution plan.
    • The platform may be more than needed for single-site manual SEO work.

More comparisons

All SEO testing software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update