How to Use SERPs for Technical SEO
Your crawl data tells you what your site is doing. Your SERPs tell you what the search engine actually chose to show. Here’s how to use that difference to diagnose technical SEO problems.
Read the research Independent thinking. Observable evidence.ZERG / FIELD NOTES
Understand how
search sees your site.
Technical SEO, search data, and practical research for figuring out what search engines actually see.
SEARCH / OBSERVABLE OUTPUTFIG. 001
01 / WEBSITE
example.com/
/products
/research
/archive
DISCOVER
FETCH
PROCESS
FETCH
PROCESS
02 / INDEX
Selected. Interpreted. Ranked.
03 / SERP
example.com / researchThe page search chose.
VISIBLE OUTPUT
01 / The approachOBSERVE → INVESTIGATE → UNDERSTAND
Search engines leave
clues everywhere.
A ranking change, an indexing problem, a missing page, or a sudden drop in traffic rarely happens in isolation.
The SERPs, crawlers, URLs, redirects, page structure, and search features all provide evidence.
Zerg studies those signals to help SEO teams understand what’s happening beneath the surface.
- 01Website
- 02Crawl
- 03Index
- 04SERP
- 05Analysis
02 / Research areasSIX WAYS INTO THE SYSTEM
What Zerg covers.
Specific questions.
Technical answers.
/01
Technical SEO
Crawling, indexing, redirects, canonicalization, JavaScript SEO, structured data, and technical diagnostics.
/02
SERP Intelligence
Search results, ranking patterns, SERP features, search intent, competitor discovery, and SERP monitoring.
/03
SEO Automation
APIs, automated audits, programmatic analysis, data pipelines, and scalable SEO workflows.
/04
Site Architecture
Internal links, URL structures, crawl paths, information architecture, faceted navigation, and large websites.
/05
Search Engines
Google, Bing, AI-powered search, crawling behavior, indexing systems, and changes in search.
/06
SEO Research
Experiments, case studies, competitive analysis, data-driven investigations, and practical SEO findings.
03 / The publicationAll research
Latest from Zerg.
RESEARCH / GUIDES / EXPERIMENTSOn the research desk
01
Why Google Crawls a Page but Doesn’t Index It
Forthcoming02
The Technical SEO Signals Hiding in Your SERPs
Forthcoming03
How to Diagnose a Sudden Organic Traffic Drop
Forthcoming04 / In developmentThe tools
Tools for seeing
what search sees.
Ideas we’re exploring.
Built around real search problems.
T_01Coming soon
SERP Monitor
Follow ranking URLs, result types, and search features over time.
T_02Coming soon
Technical SEO Crawler
Trace crawl paths and inspect the signals your pages send.
T_03Coming soon
Indexation Monitor
Investigate the gap between published pages and search visibility.
T_04Coming soon
Canonical Checker
Compare URL variants and examine canonical signals.
T_05Coming soon
Competitor Tracker
Watch the domains appearing alongside you in search.
T_06Coming soon
Search Data API
Build repeatable investigations around structured search data.