What a search engine is
Types of Search Engines Explained: Complete Architecture
Explore the different types of search engines: crawler-based systems, web directories, vertical search, metasearch engines, and modern AI answer engines.
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Showing 61–72 of 86 articles
- Tools
The URL Inspection Tool: Complete Technical Field Guide
The URL Inspection tool explained for developers. Master every field in the indexed view and live test, canonical choices, and crawl diagnostics.
- Technical foundations
SEO Friendly URL Structure: Best Practices for Webmasters
SEO friendly URL structure guidelines explained for developers. Learn slug design, folder hierarchy, parameter handling, and URL normalization rules.
- Build a search engine
Vector Search Tutorial: Semantic Embeddings in Python
Vector search tutorial using local embeddings and Python. Learn semantic text vectorization, cosine similarity, and approximate nearest neighbor search.
- SEO
What Are Backlinks? Why Inbound Links Still Matter in SEO
What are backlinks in SEO explained for beginners. Discover how inbound links pass PageRank, how search algorithms evaluate anchor text, and link value.
- Crawling
XML Sitemaps Explained: Protocol, Setup, and Best Practices
An XML sitemap is a structured file listing canonical URLs to help search engines discover and crawl pages efficiently. Learn formats, limits, and setup.
- The results page
Zero-Click Searches Explained: Data, Causes, and Impact
Zero-click searches occur when search engines answer queries directly on the results page using answer boxes. Discover empirical data, causes, and SEO impact.
- AI search
Google AI Overviews: How They Work and Sources Are Chosen
AI Overviews pull from pages Google indexed via query fan-out. Learn how the pipeline works, how citations are chosen, and what click data shows.
- Build a search engine
Build a Simple Web Crawler in Python from Scratch
Write a polite, working web crawler in about a hundred lines of Python. Respect robots.txt, handle status codes, avoid traps, and stay off anyone's block list.
- Indexing
Get a Page Indexed Faster: Proven Steps and Actual Timing
There is no button that forces indexing. Here is what genuinely speeds it up, what does nothing, and why the timeline varies from hours to never.
- Ranking
BM25 vs TF-IDF: What Changed and Why It Matters
BM25 improves TF-IDF: word frequency saturates and document length is normalized. Learn the full scoring formula and what k1 and b control.
- Ranking
Google E-E-A-T Explained: What It Is and What It Is Not
E-E-A-T is from Google's quality rater guidelines, not an algorithmic score. Learn what it evaluates, what raters do, and how it impacts pages.