Recovered 11k pages after a botched migration
Diagnosed render-blocking issues, rebuilt the internal-link graph, and migrated documentation to a crawlable subdirectory. Organic pipeline returned in 11 weeks.
+11,204
Indexed pages
-47%
LCP
+184%
Pipeline from organic
11 weeks
Time to recovery
On this page
The challenge
After a platform replatform, Helio's documentation moved to a JavaScript-rendered subdomain Google couldn't crawl. 11,000 of the highest-converting URLs deindexed within 30 days. Organic pipeline — 41% of their MQL volume — disappeared in a quarter.
Our approach
- 1
Log-file analysis isolated the JS-rendering bottleneck and identified which Googlebot user agents were timing out.
- 2
Migrated docs to a server-rendered subdirectory and shipped a 301 map covering 11k URLs without dropping link equity.
- 3
Rebuilt the internal-link graph from product → docs → blog, recovering topical authority in two crawl cycles.
- 4
Instrumented Core Web Vitals monitoring with alerting tied to the on-call rotation.
The outcome
11,204 pages reindexed in 11 weeks. LCP dropped 47%. Organic-sourced pipeline came back at 184% of pre-migration levels by month four.
“They rebuilt our information architecture in one sprint. LCP dropped 47% and we recovered 11k indexed pages.”
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