SLIDE DECK - Site Migration Survival Series

⚠️ Site Migrations Are Revenue Events — Not Routine Maintenance. Here's the Survival Protocol.
Most migration disasters aren't caused by bad luck. They're self-inflicted — skipped pre-audits, incomplete redirect maps, and zero post-launch monitoring. The threats aren't just botched launches either. The passive threat of the status quo quietly drains potential over time.
Site migrations don't destroy rankings. Broken processes do.

This agency field guide delivers the system protocols for surviving the highest-risk events in SEO — built specifically for digital agency owners, SEO managers, and project managers.
What's covered in this playbook:

🏗️ Ground Zero — The Pre-Migration Audit
Capture baseline data before a single change is made — this is your safety net and the foundation for your entire redirect map. Critical rule: prioritize URLs by revenue, not traffic. Low-traffic, high-conversion pages are your highest-risk assets and the first ones to get missed.

🔐 Threat Profile 01 — HTTPS Implementations
Incorrect HTTPS setups cause mixed content errors, incomplete redirects, and canonical conflicts that silently suppress rankings post-launch. Use Chrome DevTools Security Panel to test for mixed content across every page type before go-live.

🔗 Threat Profile 02 — Authority Consolidation
Consolidating subdomains into subfolders merges link equity into a stronger ranking signal — but only if executed correctly. Critical pro tip: keep the subdomain hosting live with redirects in place for a minimum of 6 months post-launch. Cutting it off early destroys the equity transfer.

🗂️ Threat Profile 03 — URL Structure Redesigns
Never build a redirect map from a CMS URL list. It must come from a live pre-migration crawl — CMS exports miss redirected, canonicalized, and dynamically generated URLs entirely. Internal links must be updated simultaneously with launch to avoid permanent redirect chains that bleed crawl budget indefinitely.

🛒 Threat Profile 04 — E-Commerce Platform Switches
Development-led migrations routinely ignore the SEO layer of product data. Enforce a strict freeze on all inventory and pricing changes for 48 hours following launch to isolate variables and prevent data conflicts from contaminating your diagnostic window.

📊 The Root Diagnostics Matrix
A complete summary of all four threat profiles — severity level, primary technical risk, and the golden mitigation rule for each — giving your team a single reference point for pre-launch triage.

⚙️ The Universal Execution Blueprint — 3 Phases

Phase 1 — Preparation: full audit and redirect map built from live crawl data
Phase 2 — Execution: simultaneous launch of redirects and new URL structure — never staged
Phase 3 — Post-Launch Verification: systematic monitoring before declaring the migration complete

📡 Post-Launch Radar & Recovery — The First 90 Days
The migration isn't over at launch. The first 90 days require:

48-hour sweep for all 4XX errors immediately post-launch
4-week telemetry monitoring crawl stats for anomalies
Active client communication protocol to manage expectations and protect your agency brand throughout the stabilization window
📌 Part of the Site Migration Survival Series
Get the full series, resources & episode materials 👉 https://harpermediagroup.com/site-migration-survival-series/

🏢 Harper Media Group delivers high-performance white-label Technical SEO and Site Migration Services for digital agencies worldwide — including pre-migration audits, e-commerce SEO, and full 90-day post-migration monitoring under your brand.

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Видео SLIDE DECK - Site Migration Survival Series канала Harper Media Group