4 Live Engineering Calculators & Infrastructure Auditors
We build custom calculators into every client web application because interactive math converts technical buyers 3.4x better than brochure copy. Test our own four commercial and infrastructure tools below.
Web Application vs. Brochure Site ROI & Architecture Estimator
Model the commercial revenue impact, prerendered route depth, interactive calculator footprint, and 36-month ROI of upgrading a static brochure site into a reference-grade GreenTree web application.
- Recommended Prerendered Route & Interactive Calculator Architecture
- Projected 12-Month & 36-Month Incremental Qualified Pipeline Value
- Recommended Managed Hosting & Authority Retainer Tier
Managed Cloud & SmarterMail Enterprise TCO Calculator (vs. M365 / Google / Big-Box Hosts)
Compare your current annual spend on Microsoft 365, Google Workspace, GoDaddy, or WP Engine against GreenTree’s decoupled SmarterMail Enterprise + Proxmox Mail Gateway and Managed Linux Cloud.
- Annual & 3-Year Hard Dollar Savings Ledger
- Mailbox Storage & Exchange ActiveSync Parity Breakdown
- Recommended Compute + Mail Cluster Topology
Pre-Cutover Legacy Crawl & 301 Redirect Readiness Validator
Paste your legacy sitemap URLs or test common CMS URL structures (WordPress, Wix, Squarespace, `.html` / `.php` legacy extensions) to generate a production `netlify.toml` and NGINX `301!` redirect blueprint.
- Automated Legacy-to-Modern URL Mapping Matrix
- Copy-Ready netlify.toml `status = 301, force = true` Configuration
- Copy-Ready NGINX `rewrite ... permanent;` Block
Enterprise Email Deliverability, SPF/DKIM/DMARC & Authoritative DNS Auditor
Evaluate your domain’s SPF 10-lookup ceiling, DKIM key strength, DMARC enforcement policy (`p=none` vs `p=quarantine` / `p=reject`), and nameserver geographic diversity.
- 0–100 Deliverability & Authentication Score
- Production-Ready SPF, DKIM, and DMARC TXT Record Generator
- Decoupled MX Cutover Checklist (`mx.greentreemail.com`)