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Opti-Behavior
Opti-Behavior
made by OptiUser
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Opti-Behavior vs Slimstat Analytics:
Behavior & Conversion, Not Just Deeper Logs (2026)

Short answer: Slimstat is a mature, self-hosted analytics plugin that keeps an exhaustive real-time access log — and, unusually for this class, it adds click heatmaps and conversion funnels in its Pro add-on. Opti-Behavior overlaps on those two and goes further with session recordings, built-in A/B testing, form analytics and a guided CRO layer. Both keep data on your own server; they can run side by side.

Slimstat ( on WordPress.org) is one of the deepest self-hosted traffic loggers for WordPress — a searchable live visit log, IP/geolocation detail, outbound-link reports and heavy filtering. Its Pro add-on genuinely includes click heatmaps and funnels. What it does not have is session recordings/replay, A/B testing, field-level form analytics or an automated CRO briefing, and all that raw logging lives in your database. Opti-Behavior gives you the visual behavior layer free, keeps heavy data in files, and tells you what to fix next.

Install Opti-Behavior Free Try Pro Free for 6 Months
📈 1700+ active installs 🇫🇷 Made in France 🔒 Self-hosted: visitor data stays on your own server

TL;DR — Which should you pick?

  • Pick Slimstat if you want the deepest self-hosted access-log detail — a searchable live visit log, IP/geolocation data, outbound-link tracking and heavy filtering, with click heatmaps and funnels available in Pro.
  • Pick Opti-Behavior if you want the full behavior and conversion suite — session recordings, A/B testing, form analytics and guided Smart Insights — with heatmaps and funnels free and heavy data kept off your core database tables.
  • Run both and get the best of each: Slimstat for exhaustive raw traffic logs, Opti-Behavior for the visual behavior layer, split testing and CRO recommendations. Both are self-hosted, so nothing leaves your server.

Deep Logging vs Behavior & Conversion

Slimstat can tell you a visit came from a given IP, city, browser and referrer, and log every hit in painstaking detail. It can't replay that visit, split-test the page, or measure which form field made the visitor quit. Opti-Behavior answers those questions on your own server — the real-time dashboard sits next to heatmaps, recordings, funnels and A/B tests, and heavy data lives in files.

  • Slimstat = exhaustive access logs. Live visit log, IP/geo detail, outbound links, deep filtering.
  • Opti-Behavior = behavior + conversion. Recordings, funnels, forms, A/B — the tools that move the numbers.
  • Lean by design. Hybrid file/database storage keeps heatmaps and recordings off your core tables.
Side-by-side comparison of traffic-log counting versus the Opti-Behavior behavior and conversion dashboard with heatmaps, recordings, funnels and A/B testing

Feature-by-Feature Comparison

Slimstat answers “who visited, from where, in what detail?”. Opti-Behavior answers “why did they convert — or leave?”. Slimstat is the rare traffic tool that also ships heatmaps and funnels (Pro), so this table marks those honestly.

Feature-by-feature comparison of Opti-Behavior and Slimstat Analytics.
FeatureOpti-BehaviorSlimstat Analytics
Click Heatmaps✓ Free✓ Pro (click only)
Scroll / Move / Attention Heatmaps✓ Pro✗ Click heatmaps only
Session Recordings & Replay✓ Pro✗ Not available
Conversion Funnels✓ Free (unlimited)✓ 1 free / 5 in Pro
Form Analytics (field drop-off)✓ Pro✗ Not available
User Journeys (Sankey flow)✓ ProPer-visitor page history (Pro User Overview)
Error & Core Web Vitals Tracking✓ Pro (real-user)✗ Not available
A/B Testing (built in)✓ Free✗ Not available
Raw Access-Log DetailReal-time dashboard, not raw logs✓ Core strength
Smart Insights (CRO recommendations)✓ Free✗ Not available
Conversion Goals (click / scroll / form / revenue)✓ Free1 goal free / 5 in Pro
Scheduled Email Reports✓ FreePro add-on
Data Export (CSV / JSON / ZIP)✓ FreeExport to Excel (Pro)
Bot & Spam Detection✓ Free✓ Yes
Self-Hosted Data (you own it)✓ Yes✓ Yes
Works Without Cookies✓ YesConfigurable (hashed IP / consent settings)
Session LimitsUnlimitedSee vendor site
Price€0 – €89/yrSee vendor site

Competitor features and pricing change often: check the vendor's own site before deciding.

Add the behavior layer in minutes

Keep Slimstat for exhaustive traffic logs — add Opti-Behavior for session recordings, A/B tests and guided CRO on your own server, with heatmaps and funnels free.

Install Opti-Behavior Free → Try Pro Free for 6 Months

Where Opti-Behavior Wins

Slimstat logs every visit and, in Pro, adds click heatmaps and funnels. Opti-Behavior brings the behavior tools a log-first plugin doesn't — session replay, field-level forms and richer heatmaps — all self-hosted.

Opti-Behavior heatmaps dashboard with total heatmaps, total clicks, mobile traffic share and hottest page
Heatmaps. Click heatmaps free, plus scroll, move and attention maps in Pro — Slimstat offers click heatmaps only.
Opti-Behavior session recordings list showing duration, visited pages, visitor type and device for each session
Session recordings. Replay a real visit instead of reading log rows — Slimstat has no session replay.
Opti-Behavior conversion funnel showing completion and abandonment rates step by step
Conversion funnels. Build unlimited multi-step funnels free — Slimstat caps funnels to one free and five in Pro.
Opti-Behavior form analytics with form views, submissions, conversion rate, average completion time and abandonments
Form analytics. Field-level drop-off shows the exact input that kills submissions — Slimstat has no form-field analytics.

A/B Testing Built In — Free

Slimstat can report what happened on a page, but it can't test a change. Opti-Behavior lets you run split tests on headlines, buttons and layouts, track conversion goals and let the built-in decision engine call the winner — no separate A/B tool, no extra add-on.

  • Visual split tests on pages and elements, set up without code.
  • Conversion-goal tracking so you optimise for signups and sales, not just clicks.
  • Included in the free plugin — not a paid upsell.
Opti-Behavior A/B testing results dashboard showing Control, Variant B and Variant C conversion rates, statistical significance and Bayesian analysis with a winning variant

Smart Insights — CRO Advice, Not Just Logs

Slimstat gives you dense reports and filters and leaves the interpretation to you. Opti-Behavior goes further: Smart Insights reads your own heatmaps, funnels, forms and engagement signals, then writes a prioritized weekly CRO briefing — each item with evidence and a recommended next action. It tells you what to fix next, not just what happened.

  • Weekly CRO summary ranking high-priority issues by impact.
  • Behavior-based recommendations for bounce, scroll, exit and mobile friction.
  • One click to the evidence — jump straight to the heatmap, funnel or recording behind each insight.
  • Included free, with deeper cross-source evidence in Pro.
Opti-Behavior Smart Insights center with a weekly CRO summary, prioritized behavior opportunities and recommended next actions for each issue

Own Your Reports & Your Raw Data

Both tools are self-hosted — but Slimstat gates email reports and Excel export behind Pro. Opti-Behavior schedules self-hosted email reports (daily, weekly or monthly) and lets you export the raw data as CSV, JSON or ZIP whenever you want, free. Your reporting, your recipients, your server.

  • Scheduled email reports via WordPress mail or custom SMTP, with delivery history.
  • One-click CSV / JSON / ZIP export of your analytics datasets.
  • No external service — data never leaves your WordPress install.
Opti-Behavior scheduled reports screen showing email delivery settings, an active daily analytics report schedule and a table of successful report deliveries

Follow the Whole Journey

Slimstat's User Overview lists a single visitor's page history in Pro. Opti-Behavior Pro maps every route across your site as a visual Sankey diagram — entry pages, top paths, and the exact steps where visitors drop off — so you fix the leaks that lose conversions.

  • Visual journey flow from entry to exit, page by page.
  • Drop-off highlighted at each step, not buried in a log.
  • Filter by device, country, referrer and visitor type.
Opti-Behavior user journeys Sankey diagram showing session paths, average path length, completion rate and drop-off steps

Privacy, Data Ownership & Lean Storage

Both plugins keep data on your server, so this is a tie on ownership — the difference is footprint. Slimstat's exhaustive logging lives in your database and can grow large on busy sites; Opti-Behavior uses a hybrid file/database engine so heatmaps and recordings sit in files, not your core tables. Core tracking runs without cookies, with anonymous mode, consent-plugin detection, privacy settings and built-in bot & spam filtering.

Opti-Behavior storage overview showing self-hosted database tables, total database size, file storage and total records stored on your own WordPress server

Where Slimstat Analytics Is Strong (an honest take)

  • The deepest raw-log detail of the self-hosted group — a searchable live visit log, IP/geolocation (MaxMind/Browscap), outbound-link reports and a world map.
  • Very mature and trusted: shipping since 2010.
  • Genuinely more than a counter: Pro adds click heatmaps, funnels (one free, five in Pro) and per-visitor User Overview — features most traffic plugins lack.
  • Extensive filtering, customizable widgets, shortcodes and admin-bar stats for power users who want to slice their data every way.
  • Strong GDPR controls (one-way IP hashing, DNT support, consent settings) and an external-DB option to keep your main WordPress database lean.
  • A good fit if exhaustive traffic logging is your priority.

How to Add Opti-Behavior

1

Install the Free Plugin

Download Opti-Behavior from WordPress.org and activate it. Keep Slimstat running alongside — they track independently and don't conflict.

2

Tracking Starts Automatically

Behavior tracking, click heatmaps, funnels and A/B testing begin immediately — no external service and no add-on to buy.

3

Unlock Pro When Ready

Start a 6-month free Pro trial to add scroll/move/attention heatmaps, session recordings, form analytics, user journeys and real-user error tracking.

Opti-Behavior vs Slimstat FAQ

Is Opti-Behavior a Slimstat Analytics alternative?
Yes and no. Both are self-hosted WordPress analytics plugins, so they overlap — Slimstat Pro even includes click heatmaps and funnels. But Opti-Behavior is built as a behavior and conversion suite, adding session recordings, A/B testing, form analytics and a guided Smart Insights layer that Slimstat doesn't have. Many teams use Opti-Behavior for behavior and keep Slimstat for exhaustive raw traffic logs.
Does Slimstat have heatmaps and funnels?
Yes — in its Pro add-on. Slimstat is the rare traffic plugin that ships click heatmaps and conversion funnels (one funnel free, up to five in Pro). What it doesn't have is scroll/move/attention heatmaps, session recordings, field-level form analytics or A/B testing. Opti-Behavior includes click heatmaps and unlimited funnels free, and adds the rest in Pro.
Does Slimstat have session recordings or A/B testing?
No. Slimstat's User Overview lists a visitor's page history, but it is not a screen replay, and there is no built-in A/B testing. Opti-Behavior adds full session recordings (Pro) and visual A/B testing (free) so you can watch real visits and test changes before you ship them.
Will Opti-Behavior bloat my database like heavy logging can?
Opti-Behavior uses a hybrid file/database storage engine: heatmaps and session recordings are stored in files. For measured figures from one production site, see our database size test.
Can I run Opti-Behavior and Slimstat together?
Yes. They track independently and don't conflict. A common setup is Slimstat for exhaustive raw traffic logs plus Opti-Behavior for the visual behavior layer, split testing and CRO recommendations — both entirely on your own server.
Will running Opti-Behavior slow down my site?
Opti-Behavior records to your own server. For a measured test (PageSpeed on one test page, plugin on vs off), see our performance test.

Add the Behavior Layer Deep Logs Can't Show

Install Opti-Behavior free and start seeing recordings, funnels and A/B tests on your own server — with heavy data kept off your core database.

Download Free on WordPress.org Try Pro Free for 6 Months

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