Frequently Asked Questions about BuiltWith

Every website gives off "signals" that they are using a particular technology. We can track these signals and determine if a site is using a particular web technology from it.
Over 100,000 participating stores provide us with shopping cart volume data to allow us to provide trends in eCommerce volume.
We use Quantcast as our data source for the top million most traffic'd sites on the web. The data is US-centric but provides a large enough data source to show the increase and decrease in a particular technologies usage.
The homepage of the site is indexed to show technology usage in Trends. Pro customers have access to reports which cover entire sites and sub-domains.
BuiltWith came to life on July 22nd 2007. Trends data started to be collected and stored a few months after that, providing historical data back 5+ years.

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BuiltWith Pro Frequently Asked Questions

You can upgrade or downgrade however you like and we're happy to help. If you downgrade to a lower plan we can put features "on ice" if you consider upgrading again.
If you wish to stop using our services you can cancel whenever you like on the Basic and Pro plan. The Enterprise plan has a 12 month minimum agreement. You can re-enable your account whenever you like and pick up where you left off if you'd like to. Your account will stay enabled until the end of the term you paid for.
We accept Visa, Mastercard, American Express credit cards. We also accept PayPal, US Bank Transfer, UK Bank Transfer and Australian Bank Transfers for longer term contracts and can provide invoices and receipts for your company.
For Basic and Pro accounts, no, you can downgrade, upgrade or cancel whenever you like. For Enterprise the minimum term is 12 months and is charged yearly.
Yes the reports are exportable as CSVs, enabling you to import them into your CRM tool or view as an offline spreadsheet.
We don't offer refunds as the goods are non-returnable, you are welcome to trial the product before purchasing to ensure the service is right for you before purchasing.
The lead analysis limit is the amount of domains that can be uploaded from your own lists or our curated lists for analysis. If you upload a list of 500 domains and we have data for 450 of them, that would use 450 lead analysis credits. Base technologies are not linked to lead analysis credits.
No. Lead analysis and API credits are cumulative. If you don't use them in a given month they will be added onto the next month. You must have an active subscription to use lead analysis credits. For yearly customers all credits for the year are available from day one.
Our reporting infrastructure creates reports with a maximum of a quarter of a million results. However when you create a report you can define different filters, providing you with different lists which would provide access to the millions of records for a technology.
An ecommerce category is a retail type category like "clothing" or "kids" - where the websites in that report are related to those ecommerce shopping types.
Yes, sign up for Basic and cancel your subscription. Your account will stay live for the entire month and you will be able to access, export and modify the list for as long as you like for that term. We'll also keep your report so if you come back again you start where you left off.
Yes. You can download an export all of the results, addresses, telephone numbers, titles, names for all 100,000 results with any subscription. The limit on Basic is the amount of unique technology reports you can create. So for example on Basic you could get all of the results and export them for Magento and Omniture Site Catalyst (2 base technologies). On Pro and Enterprise you can get as many as you need.
Our top site data consists of over 2 million active websites and is refreshed on a weekly basis. Our historical top site data encompasses over 80 million websites which are refreshed every month. Our entire internet coverage data (quarter of a billion websites) is refreshed every quarter.
A base technology is a technology you wish to use as the root of your technology interest. For example, if you define Magento as your base technology you can report on all sites using Magento and any combination of other technologies that the Magento sites use. Base technologies do not count towards lead analysis or API limits.
The report limit prevents abuse of our service. We provide the maximum amount of report flexibility as possible whilst not exposing all of our underlying data to content resellers.
Lead analysis and API calls have limits, see other FAQ questions for answers on them.
You can have as many people as you want on Enterprise. If you have more than 10 accounts then support must be managed via someone at your company to allow us to offer Enterprise at a great price.
We enable accounts after your payment is confirmed and your account has passed fraud checks. This is normally done in less than 10 minutes in AEST timezone working hours.
The free trial lets you do everything a paid-for plan will allow you to do, with the exception of providing all of the results for a report. We can't provide trials of paid-for plans as the data is exportable.
The internet is made up of billions of webpages however we try to cover websites from a domain name ownership perspective rather than webpage perspective, our coverage for live domains covers the majority of the internet and attempts to exclude domain squatters and redirected domains as best as possible.
You can create 2 ecommerce categorized reports on Basic, unlimited on Pro and Enterprise. The limit enforces the different plan type options for getting more data from BuiltWith Pro.
They are websites that are in our database that have particular keywords just on the homepage of that websites. They are like a Google Search(tm) but just looking for the specific keyword or phrase you have entered. You can filter the keyword reports by technology i.e. sites that have the word 'dress' on the homepage that are using Magento eCommerce platform.
We are the source of the data, we don't use third parties to generate reports all our information is lovingly generated by ourselves.