Analytics

Deelan includes a static analytics/ route generated from build artifacts.

What it shows

• summary cards (items, tags, average tags per item, relation edges, graph components)
• sortable tag frequency table
• static hierarchical treemap
• post/snippet relationship graph

Build Artifacts

Generated during build:analytics:

• .generated/analytics/tags.json
• .generated/analytics/relations.json

These are rebuilt by npm run build (via preflight).

Graph metrics

The node details panel reports:

• Neighbors: number of directly connected items (degree centrality)
• Degree normalized: degree normalized by graph size
• Closeness: inverse mean shortest-path distance to reachable nodes
• Betweenness: frequency of appearing on shortest paths between other nodes
• Betweenness normalized: normalized betweenness score
• PageRank: influence score from incoming graph structure
• Component: connected component id and component size

Metrics are computed at build time in headless Cytoscape and embedded in analytics artifacts.

Reference links:

• Cytoscape.js centrality APIs
• Cytoscape.js PageRank

Notes

• Treemap is intentionally static in v1 and optimized for readability over interaction.