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Your 50,000-Post Archive is Trapped in a CMS That Can't Scale

If you're a publisher watching page speed tank as your library grows, you've hit the migration wall -- and every month you wait costs you traffic.

We migrate large blogs and publishing sites to modern stacks--preserving every URL, redirect, SEO signal, and content relationship across tens of thousands of pages.

Large-Scale Publishing Migration

Large-scale publishing migration is the disciplined process of moving high-volume content libraries from legacy CMS platforms to modern, performant stacks without sacrificing organic search equity. It covers URL mapping, 301 redirect chains, structured data preservation, taxonomy restructuring, and author metadata continuity. The goal is a production cutover where Google sees continuity, not a site rebuild.

What is holding your current website back?

Common gaps we find in nearly every audit.

Core Web Vitals scores collapse as your post count climbs because your current CMS loads every plugin and widget on every page, regardless of content type.
Risk: Page speed degradation directly suppresses rankings for your highest-traffic evergreen content, compounding traffic loss month over month while competitors on faster stacks pull ahead.
Your editorial team cannot publish without developer intervention because taxonomy changes, template updates, and media handling are tangled together in a brittle theme layer.
Risk: Operational bottlenecks slow your content cadence, reducing the volume of indexable pages you produce and weakening the crawl signals that sustain ranking momentum.
A previous migration attempt left hundreds of broken internal links, orphaned redirect chains, and duplicate canonical tags that have never been fully audited or resolved.
Risk: Accumulated technical debt from incomplete migrations causes crawl budget waste, index dilution, and ranking volatility that is nearly impossible to diagnose without a full content graph audit.

How We Build This Right

Every safeguard, built in from Day 1.

URL Integrity Guarantee

Every existing URL is mapped before a single line of migration code runs. We produce a full redirect manifest, validate it against your sitemap and GSC crawl data, and test all chains end-to-end in staging before cutover.

SEO Signal Preservation

Canonical tags, structured data markup, hreflang attributes, Open Graph metadata, and internal anchor text relationships are audited, transferred, and verified against the source site using automated diff tooling.

Post-Launch Monitoring Protocol

We instrument Google Search Console, server log analysis, and uptime monitoring for a minimum of 30 days post-cutover, with defined escalation paths for any ranking drops or crawl anomalies that surface.

What We Build

Purpose-built features for your industry.

Content Graph Audit

Before migration begins, we crawl your entire archive to map every internal link, tag relationship, author page, category hierarchy, and media asset. This graph becomes the blueprint that governs how content is restructured in the new stack.

Automated Redirect Pipeline

We build a programmatic redirect layer that handles tens of thousands of URL mappings without manual CSV uploads. Rules are generated from your content graph, tested in staging against real crawler behavior, and deployed with monitoring hooks.

Incremental Cutover Strategy

For archives above 50,000 posts, we stage migration in content cohorts by traffic tier, publishing date, or section. High-traffic pages move first under close monitoring before lower-priority archive content follows, reducing blast radius at each phase.

CMS-Agnostic Content Pipeline

We write extraction and transformation scripts for WordPress, Drupal, Ghost, Contentful, and proprietary CMS exports. Content arrives in the target platform with fields normalized, media re-referenced, and editor workflow roles intact.

Built on a Modern, Secure Stack

Next.jsSanityContentfulWordPressSupabaseVercelNode.jsPython

Our Development Process

From discovery to launch. Quality at every step.

01

Discovery and Content Audit

1-2 weeks

We pull a full site crawl, GSC export, server log sample, and CMS database schema review. From this we produce a content inventory, a link graph, and a risk-ranked list of URL patterns that require special redirect handling.

02

Migration Architecture and Redirect Mapping

2-3 weeks

We design the target CMS data model, define taxonomy and template structures, and produce the complete redirect manifest. Every mapping is reviewed against organic traffic data to prioritize accuracy where ranking risk is highest.

03

Staging Build and Validation

2-4 weeks

Content is extracted, transformed, and loaded into a private staging environment. We run automated SEO diff checks, broken link scans, structured data validation, and page speed benchmarks before any stakeholder review begins.

04

Cutover and Post-Launch Monitoring

1-2 weeks

DNS cutover follows a documented runbook with rollback triggers defined in advance. We monitor crawl rates, index coverage, ranking position, and Core Web Vitals daily for 30 days and deliver a formal post-migration report at close.

Social Animal

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Frequently Asked Questions

Most migrations of 5,000-50,000 pages take 6-10 weeks from audit to production cutover. The timeline depends on content complexity, the number of custom content types, and how many legacy systems are involved. Sites with clean, well-structured data move faster than those carrying years of accumulated technical debt.
With proper 301 redirect mapping, canonical tag preservation, and structured data migration, ranking loss is minimal--typically under 2% of organic traffic. Full URL coverage and immediate sitemap resubmission are what make the difference. We monitor Search Console daily for 30 days post-launch to catch and fix anything that comes up.
Yes. We've migrated content from custom PHP systems, legacy .NET platforms, and proprietary publishing tools. If the content lives in a database or is accessible via API or export, we can extract and transform it. We write custom parsers for non-standard formats and validate output against source data.
Every image, video, PDF, and downloadable file migrates with preserved filenames, directory structure, and metadata including alt text and captions. We optimize images during transfer--converting to WebP or AVIF where appropriate--and verify that every media reference in your content resolves correctly.
Absolutely. We generate a complete redirect map covering every URL on your current site. Existing redirect chains get flattened, edge cases like trailing slashes and query parameters get handled, and redirects are implemented at the edge for near-zero latency. Everything gets tested before and after launch.
We build delta migration scripts that capture content published between the initial export and final cutover. Your editorial team keeps working normally throughout. On cutover day, we run a final delta sync to pick up any new or updated content--nothing published during the migration window gets lost.
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200+ employee company? Complex multi-tenant, auction, or multi-location requirement? We have a dedicated enterprise capability track.

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