Indexing issues prevent pages from appearing in search results, regardless of content quality. Fixing them requires a systematic approach grounded in diagnostics and intent.

Crawl budget refers to how many pages search engines crawl on a site within a given timeframe. While small sites rarely face crawl limits, large or dynamic websites must manage crawl budget carefully.

Pages fail to index for both technical and qualitative reasons. Understanding the difference prevents wasted optimization efforts.

Large websites face unique crawlability challenges due to scale, complexity, and frequent updates. Without management, important pages can be overlooked.