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Common Challenges During Amazon Data Collection

Over the last twenty years, Amazon has established itself as the world’s largest ecommerce platform having started out as a humble online bookstore. With its presence and influence increasing in more countries, there’s huge demands for its inventory data from various industry verticals. Almost all of the time, this data is acquired via web scraping and similar techniques.

As a data-as-a-service (DaaS) platform, we collect, transform, and deliver data for millions of ASINs and search terms at a very high frequency for many brands, manufacturers, sellers and agencies. Our clients use this data to monitor the constant changes occurring on Amazon that can have a significant sales impact.

Since web data extraction is a specialized segment within the technology industry, we often replace existing scraping companies or internal processes that do not have the necessary technologies, people, and processes in place to scrape data from Amazon at scale. Contact us today with your Amazon-specific data requirements.

Our Amazon scrape data is used in a variety of ways, including:

  • Competitive intelligence
  • M&A analysis
  • B2B lead generation
  • Stock availability
  • Pricing, content, images, search results (Share of Search — including organic and paid placements)
  • Advertising spend analysis/decision-making
  • Consumer sentiment via ratings, reviews, and Q&A, etc.

Scraped data from Amazon is pulled from the lens of the consumer which is often substantially different from data provided by various Amazon APIs. One analogy of ecommerce related scrape data is that it is the online equivalent of a brick-and-mortar mystery shopper.

Overview of the challenges

We exceed our customer’s expectations in terms of data quality despite the many challenges associated with scraping data from a site like Amazon. Some of these challenges include:

  1. Many different formats of product page listings/templates that are constantly being tweaked/updated along with UX A/B testing of new layouts, ad placements, etc. that Amazon is always testing
  2. Different product variations (one product page but multiple colors, sizes, flavors, etc. available), different layouts for product variations, and consistent changes in the approach to displaying variations
  3. Collecting data at scale while avoiding web Captchas and IP blacklisting 
  4. Inconsistent versions and features of Amazon across the growing list of countries in which Amazon has a presence
  5. A significant investment in technical infrastructure to accurately collect Amazon data at scale
Data to make or break your business
Get high-priority web data for your business, when you want it.

But first, what is web scraping?

Web scraping is the process of extracting publicly available data from a website and putting the collected data into a structured format such as Excel, JSON, or CSV for the purposes of analysis and decision-making. 

Web scraping is like web indexing or crawling, the process used by search engines like Google or Bing to help make information on the web easier to find. However, the key difference between web scraping and web indexing is the structured format of web scraped data compared to the unstructured format of web indexing.

From a legal standpoint, laws and terms of use that govern web indexing are also applicable to web scraping.


Product pages and search results have varying page structures

A lot of products on Amazon have different layouts, attributes and HTML tags due to the many templates in use on the site to add and update product content. This is often done to cater to different types of products that may have different key attributes and features that need to be highlighted. 

In addition, since Amazon has been around for over 20 years now, the site has gone through many different redesigns but not all products have been migrated to newer template layouts. Templates also vary significantly during the item setup process on Amazon based on the category or product group of newly added ASINs.

In addition, Amazon sites vary significantly by geography, with the US market typically being the first to roll out and test new features and functionality, and other markets getting upgraded at later times. A screenshot of a sample template is shown below.

Product specifications
Product specifications like flavor, package type and weight are displayed above the fold (ATF) instead of below the fold (BTF) on this ASIN. Some ASINs even display feature bullets BTF instead of ATF, but these ASINs are using a very old template that should be migrated to a newer version.

Different product variations

Variant product detail pages are single product pages which allow consumers to easily browse and purchase multiple products. Some good examples are:

  • Diapers/nappies available in multiple sizes
  • Lipsticks available in a variety of colors
  • Pasta available in a variety of types

Amazon was one of the first online retailers to provide this functionality and continue to evolve it. From a scraping standpoint, these variations are similar to the templates mentioned above but again are displayed on the site in many different ways. In addition, ratings & reviews are often rolled up and counted towards all available variations instead of against one version of the product. 

Although when we scrape review content for our clients, we display review totals and review content at the ASIN level in our data to better discern product feedback at the individual product level. Related to variations, Best Seller Rank information used to be displayed for all ASIN variations but now the same information is shown for each variation, and there have been lots of recent updates related to the format and count of the Best Seller Rank assignments displayed on product pages.

Tiled variation showing quantity size, pack size, and price information on each tile. Pushes feature bullets below the fold in many cases.
Tiled variation showing product image thumbnails and pricing information on each tile.

Web Captchas, blocking and blacklisting

captcha-268x369

Amazon is very good at distinguishing between scrapers and human actions. When scrapers are detected on Amazon and/or a user makes 400+ similar page requests in a single session, steps are taken to verify if the traffic is coming from a human or from a machine. The first step in the process is to show a Captcha screen, like the one on the left, requiring unique codes to be entered before displaying additional products or search results. If an IP address continues to make Amazon page requests without verifying the Captcha, the IP address will be blocked or blacklisted from accessing Amazon.

To avoid these blockages, we try to make our crawlers’ browsing behavior seem more human than robotic as much as possible. Some of the workarounds that we employ are:

  • Avoid repetitive and predictable actions
  • Constantly rotate IP addresses
  • Send page requests at random intervals
  • Spoof the User Agent on the crawler headers to avoid Amazon’s generic anti-crawl response

This approach makes it harder to identify a scraper by accessing a small number of pages from one IP address before switching to another. From our customers’ perspective, the end result is an unbroken stream of quality data.

Amazon features across geographies

When browsing an Amazon country variant from a different location, there’s significant disparity in the product listings, search results and product detail pages. For example, when browsing amazon.com — the US platform — from Germany, Amazon only lists items that ship to Germany. Also, attributes like price and availability are only displayed when a US zip code is entered as the delivery address.

The same pasta product page as before when accessed from Germany.
1 – Pricing information not disclosed. Item is shown as unavailable.
2 – Amazon prompting the visitor to enter a US delivery address.

Amazon does prompt users to change their location during the first browsing session, but coding this into a crawler isn’t always feasible. To overcome this, we use the IP addresses of the country whose Amazon platform we’re collecting data from.

Significant investment in technical infrastructure

In order to handle large volumes of datasets of Amazon products from their worldwide variants, we’ve invested in the highest end cloud storage platforms with high capacity memory resources and high efficiency network pipes and cores. This also helps us avoid memory issues and over-burden our local resources, so we can speed up our clients’ access to their datasets.

In addition, we’ve recently added more specialists to cater to the ever-increasing demands, while also implementing various advanced machine learning algorithms to make Amazon data sourcing as efficient and quick as possible.


Summary

Web data acquisition is a specialized area of expertise in itself. Some businesses may get by with an in-house team of just a few people when dealing with lower scale data requirements. But when your datasets are huge, like Amazon product information that ranges in millions of records every day to billions every month, you’ll need a specialized solution to take care of the data collection. Add to that the complexities discussed earlier, and your in-house team will almost certainly run into memory losses, IP blocking and empty dataset issues without adequate measures and resources in place.

This is where Grepsr can be your perfect asset. With over a decade of experience, we’ve extracted product data from not just Amazon and all of its geographic variants, but also numerous other ecommerce platforms. Our team of experts have handled and overcome all sorts of obstacles and challenges during the acquisition process to deliver the highest quality service to our customers.

Get in touch today with your requirements. We’re sure we can work out a solution for you!

Web data made accessible. At scale.
Tell us what you need. Let us ease your data sourcing pains!
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Making our data acquisition specialists more accessible to busy professionals

Introducing Grepsr’s Data Quality Report

Quality assured data to help you make the best business decisions

Report History/Activity on the Grepsr App

A walk-through detailing your report history and how to access (and download) your report’s data from historic crawl runs

Data Retention in Grepsr

New policy announcement

Automate Future Crawls Using Scheduler

Configure and enable schedules to automate future crawls

Data Delivery via FTP

Have your Grepsr files synced automatically to your FTP/SFTP server

Data Delivery via Webhooks

Get notified as soon as your Grepsr data is ready

Data Delivery via Google Drive

Have your Grepsr files synced automatically to your Google Drive

Data Delivery via Amazon S3

Have your Grepsr files synced automatically to your Amazon S3 bucket

Data Delivery via Box

Have your Grepsr files synced automatically to your Box account

Data Delivery via File Feed

Under File Feed, there are two URLs — marked ‘Latest’ and ‘All’. Here’s a brief demo:

Customized Data Extraction via Grepsr Concierge

Although Grepsr for Chrome is a powerful tool in itself, it sometimes lacks the capability to extract data from some websites that are poorly structured, where data fields are hidden, and so on. Here we give you a simple demonstration on how you can get data from these complex websites via our custom platform — Grepsr Concierge. […]

Common Issues and Tips to Get the Best out of Grepsr

We know how annoying it is when you’ve spent time setting up Grepsr for Chrome to collect your data fields, and then you get back partial or no data at all.

Feeds & Endpoint API for Your Data in Grepsr

In our last post, we showed you how to automate your data delivery process in the Grepsr app. This time let’s have a quick look at data feeds and endpoints[*]. Your scraped data’s Endpoint API is the final stop it makes in its journey— starting from the host website, then to your Grepsr account via our crawler, and […]

Automate Your Data Delivery on the Grepsr App

I’m sure you’ve already got the hang of Grepsr for Chrome by now. If you’re like some of our users who are inquiring about data delivery on the app, then this blog is for you! Once you’ve set up your project and the app starts to extract your data, depending on the volume of data requested, it might […]

Kick-Start Your E-commerce Venture with Grepsr

400+ million entrepreneurs worldwide are attempting to start 300+ million companies, according to the Global Entrepreneurship Monitor. Approximately a hundred million new businesses start every year around the world, while a similar number also fold. What sets successful firms apart are the innovations and resources they utilize that help them stay healthy and relevant. Grepsr […]

How to Use Grepsr Browser Tool to Scrape the Web for Free

A beginner’s guide to your favorite DIY web scraping tool Just over a year ago, we introduced the all new Grepsr along with a beta launch of Chrome extension to fill the gap that Kimono Labs, a widely popular scraping tool, left since it’s closure. Now after a year of iteration on both the UI and UX along with shipping […]

Importance of Web Scraping in the Age of Big Data

Big Data has become an internet buzz lately. Not a day goes by without a mention of Big Data in many articles published by media or tech companies around the world.

FIVE Essential Questions for Assessing your Big Data Deployment Readiness

Big Data isn’t just a big buzzword. Nor is it merely a business ritual. Ask yourself these 5 essential questions to know if you business is ready for data-driven transformation in the Big Data era

Seven Key Areas Where Big Data has Brought Big Transformations

As the volume, variety, and velocity of Big Data increases, so does its value and application. Today, there is a widespread use of Big Data, and the whole fabric of life has become increasingly data driven. Here is a brief review of 7 major areas which have gone through massive transformations driven by data: Business Business enterprises […]

Data Mining for Developing Business Intelligence

The growing use of digital technologies in every sphere of life has resulted in the rapid escalation of digital data. While digitization of the facilities of everyday use has given rise to datafication, the process of datafication has produced a byproduct known as big data, which is regarded as a new oil of the digital […]

How Grepsr Works: A Brief Introduction

Web crawling and data extraction services at Grepsr are simple, quick, hassle free and intuitive. We focus on providing top–quality services to our customers in the highly competitive rates. Our strong base–with cutting-edge technologies and advanced infrastructure–in Kathmandu and our maturing technical expertise in the area have helped us to compete with the top tire […]

11 Interesting Quotes about Data

These days, almost everybody—be it a casual technophile or a trailblazing technocrat—has something to say about the usefulness of data. Apparently, there is no area of human interest where you cannot achieve agility, efficiency, and better outcome by deploying data science. Business, astronomy, neuroscience and you name it. Data had never been generated with such […]

Big Data is Redefining News & Journalism

If digital data were something physical, it would have massively altered the shape of our world, probably, with new data mountains rising every hour. Whether you browse the web or flip pages of print media, you are sure to stumble upon some news about big data, all the while feeding the web with your digital […]

Data Mining: How Can Businesses Capitalize on Big Data?

In the recent years, data mining has become a prickly issue. The big controversies and clamors it has gathered in the political and business arenas suggest its importance in our time. No wonder, it is used as a household name in the business world. Data mining, in fact, is an inevitable consequence of all the technological innovations […]

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