Block third-party cookies

Render JavaScript-heavy pages

Compress image files before scraping

Store embeddings and run vector similarity search

Reconstruct browser sessions

Duplicated, near-duplicated, or irrelevant information that must be filtered

Loss of confidentiality caused by missing encryption

Absence of links between pages in a crawl frontier

Multiple valid encodings of the same Unicode character only

Use of several database indexes for the same table

Labels must be removed before supervised learning

All variables are already perfectly independent

Server logs must be converted into HTML

Class imbalance could bias the trained model toward majority classes

The browser cookie size must be increased

Naïve Bayes

Decision Trees

K-means

Popular navigation paths

Rule-based classification

RMSE

Dot product

Euclidean distance

Cosine similarity

Jaccard similarity