Lumenlab vs SEOTesting

Lumenlab is a web-based SEO A/B testing platform for measuring the organic effect of changes before site-wide rollout. It uses Google Search Console data to form comparable control and variant groups, changes the variant group, and leaves the control unchanged. Tests run at page level, with one consistent version per page. Supported tests include headings, titles, meta descriptions, structured data, page content, page speed, Web Vitals, and custom page-level variables. Lumenlab analyzes results with Bayesian structural time series and synthetic control, accounting for seasonality and algorithm updates. It reports when and how often Google crawls variant pages. Connections can use Cloudflare CDN or an installable JavaScript snippet for server-side or client-side changes. Edge SEO applies metadata, robots.txt, and HTML markup changes after HTML generation and before delivery, without backend deployments or CMS edits. The platform supports high-volume websites and single-page applications, including React, Next.js, Vue, and Angular. Pricing is on request. All plans include free onboarding and monthly specialist support; a free demo is available, but no trial duration is stated.

SEOTesting measures the impact of SEO changes using Google Search Console data, with Google Analytics data available when connected. Its tests include time-based experiments, comparisons between test and control groups, and LLM tests; they can cover individual pages, groups of pages, or URL switches, and track organic traffic and ranking impact. Reports address click-through-rate opportunities, content insights, Search Console data, keyword cannibalization, and monthly SEO summaries. The platform also identifies pages receiving clicks from AI search and offers tools to find prompt patterns and measure AI-driven visits. Website monitoring can alert teams to XML sitemap and robots.txt changes. Connections include Google Search Console, optional Google Analytics 4 and Bing Webmaster Tools, and a Looker Studio connector. An API, MCP server, and Chrome extension provide additional ways to use its data and checks. The 14-day free trial includes full functionality for up to 30 sites and requires no credit card. Paid plans start at $50 a month for Single Site.