Capacity

Live chat Visit capacity.com Software as a service Offers paid plans

Capacity is a live chat system for ecommerce websites, formerly known as Needle.

Websites using Capacity

These are the top websites using Capacity based on traffic.

# Website Traffic
1 coach.com
45%
2 coachoutlet.com
29%
3 cdw.com
13%
4 turtlebeach.com
5%
5 katespadeoutlet.com
2%
6 katespade.com
2%
7 cdw.ca
2%
8 katespade.jp
0.8%
9 katespade.eu
0.5%
10 pyramydair.com
0.3%

Get the full list of websites and companies using Capacity.

Capacity reports

Create relevant reports for Capacity to find sales leads or learn more about your target audience.

Example reports
Capacity websites in the United States
Capacity websites in the United Kindom
Email addresses and phone numbers of Capacity customers
Capacity websites with a .com domain
Top 5,000 most visited Capacity websites
5,000 low-traffic Capacity websites
Top 500 websites for every technology in the category Live chat

Or, Create a custom Capacity report.

Capacity usage trend

This graph shows the growth of Capacity since June 2025.

Capacity demographics

A breakdown of countries and languages used by Capacity websites.

Countries
Languages

Alternatives to Capacity

These are the most popular Capacity alternatives in 2025.

# Technology Compare
1
WhatsApp Business Chat		 Capacity vs. WhatsApp Business Chat
2
Tidio		 Capacity vs. Tidio
3
Zendesk		 Capacity vs. Zendesk
4
Pusher		 Capacity vs. Pusher
5
Tawk.to		 Capacity vs. Tawk.to

See the full list of Capacity alternatives.

Apps

Wappalyzer works with the tools you use every day.

Chrome

See the technologies of websites you visit in your browser.

Firefox

See the technologies of websites you visit in your browser.

Edge

See the technologies of websites you visit in your browser.

Safari

See the technologies of websites you visit in your browser.

Salesforce

See the technology stacks of your leads in your CRM.

HubSpot

See the technology stacks of your leads in your CRM.

Pipedrive

See the technology stacks of your leads in your CRM.

Semrush

See the technology stacks of your clients and prospects in your CRM.

Pabbly

Automated workflows and email marketing.

Zapier

Connect Wappalyzer to the apps you use, no code required.

Make

Connect Wappalyzer to the apps you use, no code required.

Gmail

See the technology stacks of your contacts in Gmail.

iPhone

Wappalyzer in your pocket.

Wappalyzer is trusted by thousands of professionals world-wide

Wappalyzer has proven to be a great tool to help us break down the aggregate analysis of how the web is doing by various technologies. Ilya Grigorik
Principal Engineer at Shopify
These days you need advanced marketing tools to stand out from the competition. Wappalyzer help us do just that. Thomas Alibert
Growth Engineer at PayFit
I use Wappalyzer all the time and it's been invaluable in being relevant in my outreach. Michael Petselas
Customer Growth Specialist at HubSpot
Wappalyzer is an integral part of our sales process, enabling us to optimise lead segmentation at scale. It’s a total game changer for our organisation. Roman Schweiger
Head of Business Development at Boomerank
Wappalyzer has been such a useful part of the HTTP Archive dataset. It's enabled us to slice the data in new ways and discover more interesting insights about the state of the web. Rick Viscomi
Senior DevRel Engineer at Google
Wappalyzer is helping our sales teams to understand prospects better and faster by having a clear view on their tech stack. Rabin Nuchtabek
Chief Growth Engineer at Skedify

Subscribe to receive occasional product updates.