How many websites use Postscript?

StackPulse currently detects Postscript on 36 websites, which is 0.03% of the 115,150 domains in the index. The count is refreshed as the crawler re-scans the web.

How do I check whether a website uses Postscript?

Open the free StackPulse lookup, enter the domain and the marketing section will list Postscript if its scripts, headers or markup are present. Developers can call GET /v1/lookup/:domain.

Can I download a list of websites that use Postscript?

Yes. Lead Export filters the index by Postscript (optionally combined with other technologies) and streams the matching domains as CSV, up to 50,000 rows per file.

Postscript is a marketing technology. It ranks #5 of 7 marketing technologies by number of websites in the StackPulse index.

Marketing

Websites using Postscript

StackPulse detects Postscript on 36 websites — 0.03% of the 115,150 domains in the index — making it the #5 marketing technology we track. Updated October 27, 2026.

Websites detected

Share of index

0.03%

Rank in Marketing

#5 of 7

Indexed websites

115,150

Download all 36 Postscript websites as CSV

Technologies used together with Postscript

Websites using Shopify 100% of Postscript sites
Websites using Cloudflare 94.44% of Postscript sites
Websites using Klaviyo 77.78% of Postscript sites
Websites using PayPal 72.22% of Postscript sites
Websites using Google Tag Manager 58.33% of Postscript sites
Websites using Microsoft Clarity 50% of Postscript sites
Websites using Google Fonts 50% of Postscript sites
Websites using Shop Pay 50% of Postscript sites

Other Marketing technologies

Technology directory →

Frequently asked questions

How many websites use Postscript?: StackPulse currently detects Postscript on 36 websites, which is 0.03% of the 115,150 domains in the index. The count is refreshed as the crawler re-scans the web.
How do I check whether a website uses Postscript?: Open the free StackPulse lookup, enter the domain and the marketing section will list Postscript if its scripts, headers or markup are present. Developers can call GET /v1/lookup/:domain.
Can I download a list of websites that use Postscript?: Yes. Lead Export filters the index by Postscript (optionally combined with other technologies) and streams the matching domains as CSV, up to 50,000 rows per file.
What is Postscript?: Postscript is a marketing technology. It ranks #5 of 7 marketing technologies by number of websites in the StackPulse index.

Look up any domain by API

One call returns the ecommerce platform, payment gateways, marketing pixels and infrastructure. Results are cached for a week.

curl -H "x-api-key: YOUR_KEY" \
  https://stackpulseapi.com/v1/lookup/littlefreelibrary.org

Read the API docs

Export lead lists as CSV

Filter the whole index by stack (for example Shopify stores without Klaviyo) and download up to 50,000 domains per file. 1 credit per row.

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