runsonwhat

Similarweb Ltd.'s tech stack

What does Similarweb Ltd. use?

Similarweb Ltd. (similarweb.com) uses at least 51 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Zendesk for customer support. Last checked .

“Similarweb is an AI-powered digital data company providing real-time market intelligence, competitive insights, and consumer trends to accelerate business growth.”

Industry
IT Services
Size
1,001–5,000 employees
Based in
New York, Israel
Founded
2007
LinkedIn
Company page
Tools found
51
Categories
22
Oldest proven tool
Apr 2013
Last checked
Oct 2026

Similarweb Ltd.'s stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

What changed at Similarweb Ltd.

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Amazon CloudFront
  2. Zendesk
  3. Pardot
  4. Amazon Web Services
  5. ReadMe

Similarweb Ltd. tech stack FAQ

What tools does Similarweb use?

As of October 2026, runsonwhat has found 51 tools at Similarweb (similarweb.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: Google Fonts, React and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 20, 2026.

What cloud does Similarweb run on?

Similarweb uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services and code on similarweb.com, and Similarweb has used it since at least October 2022. Amazon Web Services is used by 145,240 companies runsonwhat tracks.

What CRM does Similarweb use?

Similarweb uses HubSpot for its CRM, alongside Qualified and Chili Piper, according to runsonwhat (October 2026). runsonwhat found HubSpot through HubSpot code on similarweb.com. HubSpot is used by 92,973 companies runsonwhat tracks.

What email provider does Similarweb use?

Similarweb uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 706,384 companies runsonwhat tracks.

What does Similarweb use for customer support?

Similarweb uses Zendesk for customer support and documentation, alongside ReadMe, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk, and Similarweb has used it since at least September 2017. Zendesk is used by 41,322 companies runsonwhat tracks.

What analytics tools does Similarweb use?

Similarweb uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Matomo, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on similarweb.com. Google Analytics is used by 863,790 companies runsonwhat tracks.

How long has Similarweb used Amazon CloudFront?

Similarweb has used Amazon CloudFront since at least April 2013, going by the first public certificate of the similarweb.com subdomain that points at Amazon CloudFront. Other long-running tools at Similarweb include Zendesk (since September 2017), Pardot (since October 2018) and Amazon Web Services (since October 2022).

Does Similarweb use Google Fonts?

Yes. runsonwhat found Google Fonts at Similarweb through Google Fonts code on similarweb.com. Google Fonts is a Media & UI tool used by 798,895 companies runsonwhat tracks.

Does Similarweb use AI tools?

Yes. runsonwhat has found Anthropic and OpenAI at Similarweb; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Similarweb may use more AI tools than these.

Which companies have a tech stack similar to Similarweb's?

The companies with the stacks most like Similarweb's are Crexi, Opslevel, Wix.com and QuintoAndar, according to runsonwhat (October 2026). Each shares 19 to 29 tools with Similarweb, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Similarweb uses?

runsonwhat reads public records only. Of the 51 tools at Similarweb, 23 were found through code on similarweb.com, 19 through DNS records, 6 through subdomains that point at the vendor, 2 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and similarweb.com about monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.