Web Scraping

  1. The Web Scraping Process
    1. Step 1: Sending the Request
      1. Target URL Selection
        1. Identifying Data Sources
          1. URL Structure Analysis
            1. Parameter Handling
            2. Request Configuration
              1. Header Configuration
                1. Mimicking Browser Requests
                  1. Request Timing
                  2. Session Management
                    1. Maintaining Login State
                      1. Session Expiry Handling
                    2. Step 2: Receiving and Parsing the Response
                      1. Response Handling
                        1. Status Code Validation
                          1. Error Response Processing
                            1. Timeout Management
                            2. Content Parsing
                              1. HTML Parsing
                                1. XML Parsing
                                  1. JSON Response Handling
                                  2. Character Encoding
                                    1. Encoding Detection
                                      1. Character Set Conversion
                                        1. Unicode Handling
                                      2. Step 3: Data Extraction
                                        1. Pattern Recognition
                                          1. Identifying Data Structures
                                            1. Repeated Elements
                                              1. Unique Identifiers
                                              2. Element Selection
                                                1. CSS Selector Usage
                                                  1. XPath Expression Usage
                                                    1. Element Traversal
                                                    2. Data Extraction Methods
                                                      1. Text Content Extraction
                                                        1. Attribute Value Extraction
                                                      2. Step 4: Data Storage and Processing
                                                        1. Data Format Selection
                                                          1. Flat File Formats
                                                            1. Database Storage
                                                              1. Structured Data Formats
                                                              2. Data Cleaning
                                                                1. Text Normalization
                                                                  1. HTML Entity Decoding
                                                                    1. Whitespace Handling
                                                                    2. Data Validation
                                                                      1. Format Validation
                                                                        1. Completeness Checks
                                                                          1. Consistency Verification

                                                                      Previous

                                                                      2. Core Web Technologies for Scraping

                                                                      Go to top

                                                                      Next

                                                                      4. Essential Tools and Libraries