Custom Web Scraping, ETL & Data Automation
+91-851-102-6697   ·   info@etldatalabs.com
Industries

Industry-Specific Web Scraping Solutions

Purpose-built data collection workflows designed around the sources, fields and update patterns of each industry.

20 website solutions

Ecommerce Marketplaces

Data extraction, monitoring and structured delivery for ecommerce marketplaces.

20 website solutions

US Retailers

Data extraction, monitoring and structured delivery for us retailers.

20 website solutions

UK & Ireland Retailers

Data extraction, monitoring and structured delivery for uk & ireland retailers.

20 website solutions

European Retailers

Data extraction, monitoring and structured delivery for european retailers.

20 website solutions

India Ecommerce

Data extraction, monitoring and structured delivery for india ecommerce.

20 website solutions

Asia-Pacific Marketplaces

Data extraction, monitoring and structured delivery for asia-pacific marketplaces.

20 website solutions

Middle East & Africa Ecommerce

Data extraction, monitoring and structured delivery for middle east & africa ecommerce.

20 website solutions

Fashion & Apparel

Data extraction, monitoring and structured delivery for fashion & apparel.

20 website solutions

Sportswear & Footwear

Data extraction, monitoring and structured delivery for sportswear & footwear.

20 website solutions

Beauty & Personal Care

Data extraction, monitoring and structured delivery for beauty & personal care.

20 website solutions

Electronics & Computing

Data extraction, monitoring and structured delivery for electronics & computing.

20 website solutions

Home, Furniture & Decor

Data extraction, monitoring and structured delivery for home, furniture & decor.

20 website solutions

Grocery & Supermarkets

Data extraction, monitoring and structured delivery for grocery & supermarkets.

20 website solutions

Restaurants & Food Delivery

Data extraction, monitoring and structured delivery for restaurants & food delivery.

20 website solutions

Hotels & Travel Booking

Data extraction, monitoring and structured delivery for hotels & travel booking.

20 website solutions

Vacation Rentals & Experiences

Data extraction, monitoring and structured delivery for vacation rentals & experiences.

20 website solutions

Airlines & Flight Data

Data extraction, monitoring and structured delivery for airlines & flight data.

20 website solutions

US Real Estate

Data extraction, monitoring and structured delivery for us real estate.

20 website solutions

Global Real Estate

Data extraction, monitoring and structured delivery for global real estate.

20 website solutions

Jobs & Recruitment

Data extraction, monitoring and structured delivery for jobs & recruitment.

20 website solutions

ATS & Company Career Platforms

Data extraction, monitoring and structured delivery for ats & company career platforms.

20 website solutions

Doctor & Healthcare Directories

Data extraction, monitoring and structured delivery for doctor & healthcare directories.

20 website solutions

Pharmacy & Medical Products

Data extraction, monitoring and structured delivery for pharmacy & medical products.

20 website solutions

Legal Directories

Data extraction, monitoring and structured delivery for legal directories.

20 website solutions

Global Law Firms

Data extraction, monitoring and structured delivery for global law firms.

20 website solutions

Business Directories & Local Listings

Data extraction, monitoring and structured delivery for business directories & local listings.

20 website solutions

B2B Marketplaces & Suppliers

Data extraction, monitoring and structured delivery for b2b marketplaces & suppliers.

19 website solutions

Industrial Supply & Components

Data extraction, monitoring and structured delivery for industrial supply & components.

20 website solutions

Automotive Marketplaces

Data extraction, monitoring and structured delivery for automotive marketplaces.

20 website solutions

Auto Parts & Accessories

Data extraction, monitoring and structured delivery for auto parts & accessories.

20 website solutions

Heavy Equipment & Dealer Locators

Data extraction, monitoring and structured delivery for heavy equipment & dealer locators.

20 website solutions

Finance & Market Data

Data extraction, monitoring and structured delivery for finance & market data.

20 website solutions

Company & Startup Databases

Data extraction, monitoring and structured delivery for company & startup databases.

20 website solutions

Reviews & SaaS Directories

Data extraction, monitoring and structured delivery for reviews & saas directories.

20 website solutions

Education & Courses

Data extraction, monitoring and structured delivery for education & courses.

20 website solutions

Universities & College Directories

Data extraction, monitoring and structured delivery for universities & college directories.

20 website solutions

Events & Ticketing

Data extraction, monitoring and structured delivery for events & ticketing.

20 website solutions

Logistics, Freight & Shipping

Data extraction, monitoring and structured delivery for logistics, freight & shipping.

20 website solutions

Government Tenders & Procurement

Data extraction, monitoring and structured delivery for government tenders & procurement.

20 website solutions

Construction & Building Products

Data extraction, monitoring and structured delivery for construction & building products.

20 website solutions

Agriculture & Farming

Data extraction, monitoring and structured delivery for agriculture & farming.

20 website solutions

Energy, Oil & Utilities

Data extraction, monitoring and structured delivery for energy, oil & utilities.

20 website solutions

Telecom & Internet Providers

Data extraction, monitoring and structured delivery for telecom & internet providers.

20 website solutions

Insurance

Data extraction, monitoring and structured delivery for insurance.

20 website solutions

Sports Data & Scores

Data extraction, monitoring and structured delivery for sports data & scores.

20 website solutions

News & Media

Data extraction, monitoring and structured delivery for news & media.

19 website solutions

Social, Video & Community Platforms

Data extraction, monitoring and structured delivery for social, video & community platforms.

20 website solutions

Apps, Extensions & Software

Data extraction, monitoring and structured delivery for apps, extensions & software.

20 website solutions

Cryptocurrency & Blockchain

Data extraction, monitoring and structured delivery for cryptocurrency & blockchain.

20 website solutions

Local Services & Home Professionals

Data extraction, monitoring and structured delivery for local services & home professionals.

2 website solutions

Wedding & Event Vendors

Data extraction, monitoring and structured delivery for wedding & event vendors.

Complete Guide to Industry-Specific Web Scraping Solutions

This in-depth guide explains how ETL DataLabs plans, builds, validates and delivers industry-specific web scraping solutions projects for organizations in the USA, UK and international markets. It covers business use cases, possible data fields, technical architecture, quality assurance, delivery formats, responsible data practices and implementation planning.

Strategic Overview

For industry-specific web scraping solutions, the strongest projects begin with a precise business question rather than a request to collect everything that appears on a page. In this context, particular attention should be given to why structured web data has become an operational asset rather than a one-time research input, because these decisions determine whether the collected records are useful outside the original project team. This means documenting inclusion and exclusion rules, deciding how missing values will be represented, and defining which attributes are essential for downstream users. Data consumers should know whether a column is directly observed, inferred, standardized, enriched or calculated so that analytical conclusions remain defensible. A short discovery phase prevents later confusion by confirming URLs, filters, record volume, language, geography, historical depth and acceptable refresh windows. Where fields differ by category or country, the schema can preserve source values while also providing standardized columns for analysis. The output should be easy to join with CRM, ERP, BI, catalog, research or data-warehouse systems without repeated manual cleanup. This disciplined approach reduces rework and gives decision-makers greater confidence in the final dataset.

Business Problems This Page Helps Solve

A reliable industry-specific web scraping solutions initiative connects source coverage, field definitions and update frequency to a measurable business outcome. In this context, particular attention should be given to the practical problems faced by sales, pricing, procurement, research, operations and analytics teams, because these decisions determine whether the collected records are useful outside the original project team. Data consumers should know whether a column is directly observed, inferred, standardized, enriched or calculated so that analytical conclusions remain defensible. A short discovery phase prevents later confusion by confirming URLs, filters, record volume, language, geography, historical depth and acceptable refresh windows. Where fields differ by category or country, the schema can preserve source values while also providing standardized columns for analysis. The engineering design should remain maintainable when the source changes layout, introduces new filters, modifies pagination or adds JavaScript-driven components. A representative sample is useful because it exposes edge cases before full-scale collection begins and gives stakeholders a concrete basis for approval. Clear documentation also makes it easier to expand coverage to additional regions, categories or related sources later.

Recommended Data Scope

The commercial value of industry-specific web scraping solutions comes from consistency: records must be comparable across pages, locations, categories and collection dates. In this context, particular attention should be given to how to define records, fields, geographic coverage, categories, filters, dates and update schedules, because these decisions determine whether the collected records are useful outside the original project team. A short discovery phase prevents later confusion by confirming URLs, filters, record volume, language, geography, historical depth and acceptable refresh windows. The output should be easy to join with CRM, ERP, BI, catalog, research or data-warehouse systems without repeated manual cleanup. For recurring programs, monitoring should distinguish new records, modified records, temporarily unavailable records and records that have genuinely disappeared. Data consumers should know whether a column is directly observed, inferred, standardized, enriched or calculated so that analytical conclusions remain defensible. Validation rules can be tailored to the topic, including required fields, numeric ranges, pattern checks, duplicate thresholds and category-level coverage targets. Clear documentation also makes it easier to expand coverage to additional regions, categories or related sources later.

Detailed Data Fields

For industry-specific web scraping solutions, the strongest projects begin with a precise business question rather than a request to collect everything that appears on a page. In this context, particular attention should be given to the identifiers, descriptive attributes, commercial values, contact fields, location details, activity measures and source metadata that may be available, because these decisions determine whether the collected records are useful outside the original project team. A short discovery phase prevents later confusion by confirming URLs, filters, record volume, language, geography, historical depth and acceptable refresh windows. The output should be easy to join with CRM, ERP, BI, catalog, research or data-warehouse systems without repeated manual cleanup. Validation rules can be tailored to the topic, including required fields, numeric ranges, pattern checks, duplicate thresholds and category-level coverage targets. Where fields differ by category or country, the schema can preserve source values while also providing standardized columns for analysis. For recurring programs, monitoring should distinguish new records, modified records, temporarily unavailable records and records that have genuinely disappeared. The result is a cleaner and more reusable data asset for both immediate analysis and future automation.

Record Name
Category
Description
Source Identifier
Source Url
Location
Contact Information Where Public
Status
Rating
Review Count
Price Or Value
Date Published
Date Updated
Collection Date
Custom Attributes

Field availability varies by source page, category, geography, account permissions and project scope. ETL DataLabs confirms the final schema through a sample before production collection. For Industry-Specific Web Scraping Solutions, the recommended target scope from the planning workbook includes record name, category, description, source identifier, source URL, location, contact information where public.

USA Market Applications

ETL DataLabs approaches industry-specific web scraping solutions as an end-to-end data engineering workflow covering extraction, transformation, validation and delivery. In this context, particular attention should be given to how organizations in the United States can use the resulting dataset for local, regional and national decisions, because these decisions determine whether the collected records are useful outside the original project team. Where fields differ by category or country, the schema can preserve source values while also providing standardized columns for analysis. Data consumers should know whether a column is directly observed, inferred, standardized, enriched or calculated so that analytical conclusions remain defensible. The output should be easy to join with CRM, ERP, BI, catalog, research or data-warehouse systems without repeated manual cleanup. Source URLs, collection timestamps and stable identifiers improve traceability and make later changes easier to investigate. A short discovery phase prevents later confusion by confirming URLs, filters, record volume, language, geography, historical depth and acceptable refresh windows. Clear documentation also makes it easier to expand coverage to additional regions, categories or related sources later.

UK Market Applications

ETL DataLabs approaches industry-specific web scraping solutions as an end-to-end data engineering workflow covering extraction, transformation, validation and delivery. In this context, particular attention should be given to how companies in England, Scotland, Wales and Northern Ireland can adapt the dataset to local terminology and market structure, because these decisions determine whether the collected records are useful outside the original project team. For recurring programs, monitoring should distinguish new records, modified records, temporarily unavailable records and records that have genuinely disappeared. Where fields differ by category or country, the schema can preserve source values while also providing standardized columns for analysis. A representative sample is useful because it exposes edge cases before full-scale collection begins and gives stakeholders a concrete basis for approval. Validation rules can be tailored to the topic, including required fields, numeric ranges, pattern checks, duplicate thresholds and category-level coverage targets. This means documenting inclusion and exclusion rules, deciding how missing values will be represented, and defining which attributes are essential for downstream users. Clear documentation also makes it easier to expand coverage to additional regions, categories or related sources later.

Industry-Specific Use Cases

The commercial value of industry-specific web scraping solutions comes from consistency: records must be comparable across pages, locations, categories and collection dates. In this context, particular attention should be given to how the same source can support prospecting, price intelligence, supplier discovery, benchmarking, compliance, product analysis and market mapping, because these decisions determine whether the collected records are useful outside the original project team. A short discovery phase prevents later confusion by confirming URLs, filters, record volume, language, geography, historical depth and acceptable refresh windows. A representative sample is useful because it exposes edge cases before full-scale collection begins and gives stakeholders a concrete basis for approval. Data consumers should know whether a column is directly observed, inferred, standardized, enriched or calculated so that analytical conclusions remain defensible. For recurring programs, monitoring should distinguish new records, modified records, temporarily unavailable records and records that have genuinely disappeared. Validation rules can be tailored to the topic, including required fields, numeric ranges, pattern checks, duplicate thresholds and category-level coverage targets. The result is a cleaner and more reusable data asset for both immediate analysis and future automation.

Collection Architecture

For industry-specific web scraping solutions, the strongest projects begin with a precise business question rather than a request to collect everything that appears on a page. In this context, particular attention should be given to the role of discovery, browser automation, API analysis, pagination, queues, retries, session handling and change detection, because these decisions determine whether the collected records are useful outside the original project team. For recurring programs, monitoring should distinguish new records, modified records, temporarily unavailable records and records that have genuinely disappeared. The engineering design should remain maintainable when the source changes layout, introduces new filters, modifies pagination or adds JavaScript-driven components. Where fields differ by category or country, the schema can preserve source values while also providing standardized columns for analysis. A representative sample is useful because it exposes edge cases before full-scale collection begins and gives stakeholders a concrete basis for approval. Source URLs, collection timestamps and stable identifiers improve traceability and make later changes easier to investigate. This disciplined approach reduces rework and gives decision-makers greater confidence in the final dataset.

Data Cleaning and Standardization

A reliable industry-specific web scraping solutions initiative connects source coverage, field definitions and update frequency to a measurable business outcome. In this context, particular attention should be given to normalization of names, addresses, phone numbers, currencies, dates, categories, units, URLs and duplicate records, because these decisions determine whether the collected records are useful outside the original project team. Validation rules can be tailored to the topic, including required fields, numeric ranges, pattern checks, duplicate thresholds and category-level coverage targets. This means documenting inclusion and exclusion rules, deciding how missing values will be represented, and defining which attributes are essential for downstream users. Source URLs, collection timestamps and stable identifiers improve traceability and make later changes easier to investigate. The output should be easy to join with CRM, ERP, BI, catalog, research or data-warehouse systems without repeated manual cleanup. Where fields differ by category or country, the schema can preserve source values while also providing standardized columns for analysis. ETL DataLabs can align these controls with the client's internal naming conventions, acceptance criteria and reporting workflow.

Quality Assurance Framework

For industry-specific web scraping solutions, the strongest projects begin with a precise business question rather than a request to collect everything that appears on a page. In this context, particular attention should be given to coverage checks, field-level validation, sampling, exception reports, reconciliation and acceptance criteria, because these decisions determine whether the collected records are useful outside the original project team. For recurring programs, monitoring should distinguish new records, modified records, temporarily unavailable records and records that have genuinely disappeared. This means documenting inclusion and exclusion rules, deciding how missing values will be represented, and defining which attributes are essential for downstream users. The engineering design should remain maintainable when the source changes layout, introduces new filters, modifies pagination or adds JavaScript-driven components. Source URLs, collection timestamps and stable identifiers improve traceability and make later changes easier to investigate. A short discovery phase prevents later confusion by confirming URLs, filters, record volume, language, geography, historical depth and acceptable refresh windows. The result is a cleaner and more reusable data asset for both immediate analysis and future automation.

Update Frequency and Monitoring

ETL DataLabs approaches industry-specific web scraping solutions as an end-to-end data engineering workflow covering extraction, transformation, validation and delivery. In this context, particular attention should be given to one-time delivery, daily refreshes, weekly updates, monthly snapshots and event-based change detection, because these decisions determine whether the collected records are useful outside the original project team. The engineering design should remain maintainable when the source changes layout, introduces new filters, modifies pagination or adds JavaScript-driven components. The output should be easy to join with CRM, ERP, BI, catalog, research or data-warehouse systems without repeated manual cleanup. Data consumers should know whether a column is directly observed, inferred, standardized, enriched or calculated so that analytical conclusions remain defensible. For recurring programs, monitoring should distinguish new records, modified records, temporarily unavailable records and records that have genuinely disappeared. Source URLs, collection timestamps and stable identifiers improve traceability and make later changes easier to investigate. When quality and governance are designed into the workflow, the dataset remains useful long after the first delivery.

Delivery and Integration Options

Organizations evaluating industry-specific web scraping solutions should treat the dataset as a managed product with an owner, schema, refresh policy and quality standard. In this context, particular attention should be given to Excel, CSV, JSON, XML, SQL, cloud storage, Google Sheets, SFTP and custom API delivery, because these decisions determine whether the collected records are useful outside the original project team. For recurring programs, monitoring should distinguish new records, modified records, temporarily unavailable records and records that have genuinely disappeared. Where fields differ by category or country, the schema can preserve source values while also providing standardized columns for analysis. A short discovery phase prevents later confusion by confirming URLs, filters, record volume, language, geography, historical depth and acceptable refresh windows. A representative sample is useful because it exposes edge cases before full-scale collection begins and gives stakeholders a concrete basis for approval. Data consumers should know whether a column is directly observed, inferred, standardized, enriched or calculated so that analytical conclusions remain defensible. This disciplined approach reduces rework and gives decision-makers greater confidence in the final dataset.

Analytics and AI Readiness

For industry-specific web scraping solutions, the strongest projects begin with a precise business question rather than a request to collect everything that appears on a page. In this context, particular attention should be given to how normalized records can support dashboards, forecasting, classification, matching, enrichment and retrieval workflows, because these decisions determine whether the collected records are useful outside the original project team. Data consumers should know whether a column is directly observed, inferred, standardized, enriched or calculated so that analytical conclusions remain defensible. Source URLs, collection timestamps and stable identifiers improve traceability and make later changes easier to investigate. A short discovery phase prevents later confusion by confirming URLs, filters, record volume, language, geography, historical depth and acceptable refresh windows. For recurring programs, monitoring should distinguish new records, modified records, temporarily unavailable records and records that have genuinely disappeared. The engineering design should remain maintainable when the source changes layout, introduces new filters, modifies pagination or adds JavaScript-driven components. When quality and governance are designed into the workflow, the dataset remains useful long after the first delivery.

Scalability and Performance

A reliable industry-specific web scraping solutions initiative connects source coverage, field definitions and update frequency to a measurable business outcome. In this context, particular attention should be given to how extraction design changes from small samples to millions of records and recurring multi-source pipelines, because these decisions determine whether the collected records are useful outside the original project team. Validation rules can be tailored to the topic, including required fields, numeric ranges, pattern checks, duplicate thresholds and category-level coverage targets. Source URLs, collection timestamps and stable identifiers improve traceability and make later changes easier to investigate. The output should be easy to join with CRM, ERP, BI, catalog, research or data-warehouse systems without repeated manual cleanup. Where fields differ by category or country, the schema can preserve source values while also providing standardized columns for analysis. Data consumers should know whether a column is directly observed, inferred, standardized, enriched or calculated so that analytical conclusions remain defensible. This disciplined approach reduces rework and gives decision-makers greater confidence in the final dataset.

Governance, Privacy and Responsible Use

For industry-specific web scraping solutions, the strongest projects begin with a precise business question rather than a request to collect everything that appears on a page. In this context, particular attention should be given to public, licensed or authorized access, data minimization, retention, auditability and jurisdiction-specific review, because these decisions determine whether the collected records are useful outside the original project team. Where fields differ by category or country, the schema can preserve source values while also providing standardized columns for analysis. This means documenting inclusion and exclusion rules, deciding how missing values will be represented, and defining which attributes are essential for downstream users. Validation rules can be tailored to the topic, including required fields, numeric ranges, pattern checks, duplicate thresholds and category-level coverage targets. A representative sample is useful because it exposes edge cases before full-scale collection begins and gives stakeholders a concrete basis for approval. The engineering design should remain maintainable when the source changes layout, introduces new filters, modifies pagination or adds JavaScript-driven components. When quality and governance are designed into the workflow, the dataset remains useful long after the first delivery.

Why ETL DataLabs

A reliable industry-specific web scraping solutions initiative connects source coverage, field definitions and update frequency to a measurable business outcome. In this context, particular attention should be given to the value of source-specific engineering, transparent communication, samples, documented schemas and ongoing maintenance, because these decisions determine whether the collected records are useful outside the original project team. A representative sample is useful because it exposes edge cases before full-scale collection begins and gives stakeholders a concrete basis for approval. Data consumers should know whether a column is directly observed, inferred, standardized, enriched or calculated so that analytical conclusions remain defensible. The engineering design should remain maintainable when the source changes layout, introduces new filters, modifies pagination or adds JavaScript-driven components. Source URLs, collection timestamps and stable identifiers improve traceability and make later changes easier to investigate. This means documenting inclusion and exclusion rules, deciding how missing values will be represented, and defining which attributes are essential for downstream users. Clear documentation also makes it easier to expand coverage to additional regions, categories or related sources later.

Project Planning Checklist

A reliable industry-specific web scraping solutions initiative connects source coverage, field definitions and update frequency to a measurable business outcome. In this context, particular attention should be given to the information a client should prepare before requesting an estimate or proof of concept, because these decisions determine whether the collected records are useful outside the original project team. The output should be easy to join with CRM, ERP, BI, catalog, research or data-warehouse systems without repeated manual cleanup. Data consumers should know whether a column is directly observed, inferred, standardized, enriched or calculated so that analytical conclusions remain defensible. Source URLs, collection timestamps and stable identifiers improve traceability and make later changes easier to investigate. Where fields differ by category or country, the schema can preserve source values while also providing standardized columns for analysis. The engineering design should remain maintainable when the source changes layout, introduces new filters, modifies pagination or adds JavaScript-driven components. ETL DataLabs can align these controls with the client's internal naming conventions, acceptance criteria and reporting workflow.

  • Source website, sections and representative URLs
  • Required fields and optional fields
  • Countries, cities, categories and language coverage
  • Expected record volume and historical depth
  • One-time or recurring update frequency
  • Output format, naming conventions and destination
  • Deduplication, validation and acceptance rules
  • Access authorization, licensing and compliance requirements

Implementation Roadmap

For industry-specific web scraping solutions, the strongest projects begin with a precise business question rather than a request to collect everything that appears on a page. In this context, particular attention should be given to a phased path from discovery and sample validation to production delivery and recurring support, because these decisions determine whether the collected records are useful outside the original project team. A short discovery phase prevents later confusion by confirming URLs, filters, record volume, language, geography, historical depth and acceptable refresh windows. The output should be easy to join with CRM, ERP, BI, catalog, research or data-warehouse systems without repeated manual cleanup. A representative sample is useful because it exposes edge cases before full-scale collection begins and gives stakeholders a concrete basis for approval. For recurring programs, monitoring should distinguish new records, modified records, temporarily unavailable records and records that have genuinely disappeared. Where fields differ by category or country, the schema can preserve source values while also providing standardized columns for analysis. Clear documentation also makes it easier to expand coverage to additional regions, categories or related sources later.

Extended FAQs About Industry-Specific Web Scraping Solutions

How should a project scope be prepared?

Provide representative URLs, target fields, geographic coverage, record volume, preferred format and update schedule. A sample can then be used to confirm assumptions.

Can ETL DataLabs support USA and UK terminology?

Yes. Field names, address structures, currencies, date formats, categories and location hierarchies can be standardized separately for US and UK users.

Can historical changes be tracked?

Recurring runs can preserve timestamps and compare new output with earlier snapshots to identify additions, removals and modified values.

How are duplicate records handled?

Deduplication can use stable source IDs, canonical URLs, normalized names, address combinations, product identifiers or project-specific matching rules.

Can data be delivered to an existing database?

Yes. Delivery can be designed for CSV, Excel, JSON, SQL, cloud storage, SFTP, Google Sheets or a custom API integration.

What happens when a website layout changes?

Monitoring, logging and modular extraction rules make changes easier to identify and repair. Maintenance terms can be included for recurring projects.

Can a small pilot be completed first?

A pilot is recommended for complex sources because it validates accessibility, field definitions, quality expectations and realistic throughput before full production.

Does ETL DataLabs provide data cleaning?

Yes. Normalization, deduplication, category mapping, address cleanup, date conversion, unit standardization and custom validation can be included.

How is responsible use addressed?

Projects should focus on public, licensed or client-authorized information and be reviewed against applicable terms, privacy rules, intellectual-property rights and local law.

How can I request a quotation?

Email info@etldatalabs.com or call +91-851-102-6697 with sample URLs, required fields, estimated volume and update frequency.