Diagnosing Slow Eleventy Builds Caused by Large Data Files and Excessive Includes
A step‑by‑step guide to spot whether big _data files or many template includes are slowing your Eleventy site, with checks, fixes, and when to escalate.
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Diagnosing Missing Global Data in Eleventy Templates
A diagnostic guide for when Eleventy global data files in _data don't appear in templates—covering recognizable symptoms, a cause table, ordered checks, targeted fixes, and escalation steps.
Harnessing Eleventy's Data Cascade for Environment‑Aware Builds
Eleventy’s data cascade lets you merge global, directory, front‑matter, and computed data in a predictable order. Learn how to expose environment flags, set section defaults, and build derived values without custom scripts.
Debugging the Eleventy Data Cascade: Resolving Unexpected Template Values
Learn how to diagnose and fix missing or overridden variables in Eleventy by tracing the Data Cascade from global _data to template front matter.
Eleventy's Data Cascade: Stop Repeating Configuration Across Templates
Eleventy's data cascade lets you define configuration once at the global level, override per directory, and fine-tune per template—without custom plugins. Here's how the four layers merge, where arrays replace instead of concatenate, and how to debug with --dry-run --output=json.
Choosing Eleventy’s Navigation Plugin vs. Manual Navigation: A Practical Decision Guide
Decide whether to use Eleventy’s built‑in Navigation Plugin or build navigation yourself. Compare constraints, trade‑offs, and see a step‑by‑step example that verifies the result.
Harnessing Eleventy’s Data Cascade: A Practical Guide to Inherited Page Context
Eleventy’s data cascade automatically merges JSON, YAML, and JavaScript data files from a page’s directory and all ancestor directories. This blog walks through the cascade, shows a concrete example of inheriting navigation and author data, and discusses trade‑offs like build‑time evaluation.
Implementing Built‑in Pagination in Eleventy for Archive Pages
Learn how to use Eleventy’s built‑in pagination to create archive pages like /blog/page-1/ without custom scripts.
jamstackEleventy's Data Cascade: Resolving Global, Directory, and Template Data Without Surprises
Eleventy merges global `_data` files, directory data files, and template front matter in a strict cascade. Learn how to verify the final data object and avoid silent overrides.