Want to Know How to Spy on Competitors? 13 Tools & Hacks

Want to know who your biggest rivals are and how to spy on competitors? We’ve got a box of handy tricks and apps for you to use.

To become a successful online store, you need to keep your finger firmly on the pulse of your competitors.


Because researching will point to areas where you’re lacking, help you minimize your risk when launching new products or niche categories, and ensure you are able to put your brand front and center to potential customers already searching elsewhere for what you’re selling.

In this post, we give you the top 13 tools and hacks you can use to find out who your biggest competitors are and how you spy on them as a way to spot hidden, untapped markets and marketing tricks. Including: 

  1. Tools to Find Your Biggest Competitors
  2. Hacks and Tools to Spy on Your Competitors

Let’s get right to it.

Hacks and Tools to Find Your Biggest Competitors

1. Use Google to Find Out Who Your Competitors Are [Shopify]

If you’re one of the 600,000+ merchants on Shopify then here’s an easy way you can find out who your biggest competitors are. Simply type site:myshopify.com and your store’s main keyword or phrase into Google and see what comes up.

Like this: 

google search for shopify competitors

This will bring up a list of Shopify stores, even if they have their own domains like our favorite merchants Gearbunch, associated with that keyword.

google search for shopify compeitors

2. Research Top Shopify Stores in Your Niche with Xpareto 

Xpareto is a website that allows you to search for top Shopify stores based on their related keywords.

It will show you rank, daily traffic, and links to best-selling products and Facebook campaigns.

xpareto website to spy on shopify stores

Hacks and Tools to Spy on Your Competitors

3. Add the Wappalyzer Extension to Spy on Your Competitors’ Platforms

If you already know who your competitors are but want to know what eCommerce platform they’re using, you can check with WappalyzerWappalyzer is a Chrome and Firefox extension for analyzing websites to see which platforms and apps they are using.

Wappalyzer app for chrome

4. Find Out How Your Competitors’ Sites Rank with Moz Link Explorer

If you want to know how your online store measures against your competitors’ domain authority (DA) then Moz’s Link Explorer is the perfect spy tool. The DA metric developed by Moz ranks domains on a scale from 1 (bad) to 100 (excellent.)

moz link explorer search

moz link explorer search data

This handy report will show you how your competitors rank, the number of external linking domains and inbound links, their best-ranked keywords (in the top 50) and all their link data.

Sure, by comparing this to your own you can see where you stand next to competitors, but that’s not the most valuable data. It’s their ranking keywords that can help point you in the direction of missed opportunities for possible sub-categories.

5. Spying on Your Competitors’ Facebook Info and Ads

Spying on your competitors on Facebook used to be a sneaky affair; but not anymore. Recently, Facebook decided to make this information accessible to all with Facebook’s media library. All you need to do is search for your competitors’ and it will list all their current live eCommerce Facebook ads

Facebook media library

With this information, you can see a brand’s active campaigns including Facebook, Instagram and Messenger placement, spying on their current promotions and content. 

Beginner Tip: For more tips on spying on various aspects of your competitors’ Facebook content and ads, visit our How to Spy on Your Competitors on Facebook post.  

6. Find Out Your Competitors’ Diamond SKUs [Shopify]  

What is a Diamond SKU? you may ask. Diamond SKUs are top-selling products sold on Shopify stores. Why is this important? It may be easy to monitor your competitors’ best-selling products. This is where diamond SKUs are handy.

They are super simple to find; just add /collections/all?sort_by=best-selling to the end of any Shopify store URL. A page of their best-selling products or categories will populate and offer valuable insights.

best selling products on shopify

Firstly, it points to best-selling products they are not selling on Amazon, opening up an opportunity for you to sell your similar product line on Amazon. Secondly, as your closest competitor, they would have a similar market to you and therefore you can use their best-sellers as inspiration for your own marketing strategies. And thirdly, it gives you access to a host of product ideas

7. Use Reverse Image Search to See Where Your Competitors are Selling

If you want to know what your biggest competitors are up to, this Google hack will come in handy. All you need to do is go to your competitor’s website or search for it on Google, save their logo image and then do a reverse image search. Here’s a step-by-step guide, using Budweiser as a simple example.

Step #1: Find and download the logo

how to do a reverse image search with logo

Step #2: Select Google’s image search

how to do a reverse image search

Step #3: Upload the logo

how to do a reverse image search

Step #4: See the results

how to do a reverse image search

This won’t just help you find websites – including product reviews and PR, the brand is being discussed, but also where their backlinks are.

A super handy way for an eCommerce business to use this is for finding new platforms to sell on, new partners, or review sites you’re missing. Or, instead of doing a logo search, choose a best-selling product to find other places they are selling.

8. Filter Out the Facebook Noise with FadFeed

FadFeed is a Chrome extension that filters out the Facebook noise on your feed to only show the Facebook ads for brands you’re following.

This is very handy if you are keeping a close eye on your competitors’ Facebook marketing and want to be able to see just that from your browser.

9. Take a Sneak Peek at Your Competitors’ Sales [Shopify]

As you may know, Shopify assigns sequential order numbers to each order, found on the last page of the checkout page and in the sale confirmation email. What you might not know though, is that this information can help you get your closest Shopify competitors’ order numbers. Here’s the inside scoop on this simple hack:

  1. Step 1: On the first day of the month, buy the cheapest product your Shopify competitor has to offer and hang on to your order number.
  2. Step 2: On the last day of the month, buy the cheapest product your Shopify competitor has to offer.
  3. Step 3: Subtract one order number from the other to work out how many sales they have done in the month.
  4. Step 4: If your competitor is on par with you, you can then use your AOV to estimate the amount of revenue they have earned based on the number of sales they have made.

10. Use Mention to Track Your Competitors

Mention is an awesome tool for tracking who is talking about your competitors and what they are saying. Mention is best known as a tool to monitor where your brand has been mentioned in real-time: on blogs, social platforms, forums, eCommerce platforms, and websites.

However, what is less known about Mention is that you can also use it to track your biggest competitors as well.

apps to track competitors

mention online app

This data is hugely valuable as it will show you where, geographically, your competition is being talked about, enable you to monitor your competitors’ engagement strategies, see which top influencers they are working with and get insights into their backlink strategies.

Beginner Tip: If you’re on a tight budget and don’t want to invest in Mention just yet, you can do a similar search manually with Google. Simply search your competitor’s brand name to see a list of sites where the brand is mentioned.

11. Use BuiltWith to Find Out the Platforms, Themes, Apps, and Tools Your Competitors are Using

BuiltWith is an excellent web tool to help you find out all the behind-the-scenes tech tools your competitors are using.

It’s as simple as inputting your competitor’s URL into BuiltWith’s search bar, like this:

find out what apps your competitors are using.

After which you will get a host of site data, including which email platforms or automated apps they use.

find out what apps your competitors are using

Here’s a list of things that BuiltWith will give you access to:

  1. CDN types and hosting services
  2. Widgets/apps
  3. Email hosting providers
  4. Brand’s tracking and analytics tools
  5. Payment gateways
  6. Monetization tools
  7. Technology server

Additionally, if you want to know what type of Shopify plans and services your competitors are using, that’s included too!

how BuiltWith works

12. Discover Which Suppliers Your Competitors are Using with Panjiva

Panjiva is an online service offering data-driven insights for the global trade community that helps you find and evaluate legitimate businesses. So, what makes this so handy? With Panjiva you can find global suppliers and/or manufacturers, get detailed reports on who your competitors are doing business with, and track your competitors’ trade activity.

Ultimately, this will help you find products you could be adding to your store, find new locations your target market is located, discover legitimate suppliers and warehouses, and get a look at your supplier’s clients.


Here’s their example of Adidas’ supply chain.

how to track competitor supply chain

[Source: Panjiva]

13. Monitor Your Competitors’ Prices & Stock Availability 

It’s important to keep a close eye on what your biggest competitors are selling and what they are selling it for. This will ensure you can either adapt your pricing to suit the market or get useful insights into product pricing before you launch a new catalog. 

There are a few tools you can use to streamline the process, such as Prisync. Prisync is a competitive pricing intelligence SaaS that allows you to monitor your competitors’ prices from a single dashboard and see what your pricing position is in your market.

With these insights, you can optimize your own prices to improve your sales and profit margins. Advanced users can also set smart pricing rules to dynamically change their prices according to market movements. 

automatic pricing tool shopify

Final Thoughts 

“Spying” on your closest competitors isn’t about copying their strategies exactly; it’s about getting a clearer understanding of your market, niche, and potential selling opportunities for your brand. The idea is to find gaps in your market that you can fill with unique products and marketing strategies while keeping a close eye on your competitors.



Nicole Blanckenberg

Nicole is a content writer at StoreYa with over sixteen years experience and flair for storytelling. She runs on a healthy dose of caffeine and enthusiasm. When she's not researching the next content trend or creating informative small business content, she's an avid beachgoer, coffee shop junkie and hangs out on LinkedIn.



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