1st21 Official Site's tech stack
What does 1st21 Official Site use?
1st21 Official Site (1st21.com) uses at least 15 tools we can see from public records, including Microsoft 365 for email and documents, Google Analytics for analytics, Shopify for its website and Cloudflare for content delivery. Last checked .
- Industry
- Marketing and Advertising
- Size
- 11–50 employees
- Based in
- San Diego, United States
- Company page
- Tools found
- 15
- Categories
- 11
- Layers
- 5 of 5
- Last checked
- Oct 2026
1st21 Official Site'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.
Edge & Hosting
2 tools, where the bytes are served from
CDN & Edge
DNS
Application
4 tools, what the product is built with
Data & Observability
2 tools, what they measure and store
Go-to-market
5 tools, how they find and keep customers
Website & CMS
Marketing
Ads & Pixels
Company Ops
2 tools, what the team runs on day to day
Email Delivery
Workspace
Companies like 1st21 Official Site also use
Tools common among companies with a similar stack that we haven't found at 1st21 Official Site.
Companies with a stack like 1st21 Official Site's
Ranked by shared tools, with rare tools counting more.
Power Plate UKHealth, Wellness and Fitness · 11–50 people14in common
Apollo NeuroHealth, Wellness and Fitness · 11–50 people11in common
Power Plate, PHSHealth, Wellness and Fitness · 51–200 people14in common
Ocleanoclean.com9in common
totwooLuxury Goods & Jewelry · 51–200 people11in common
BuyologyiqMarketing and Advertising · 11–50 people7in common
FrootbatWine and Spirits · 11–50 people8in common
G-PlansHealth, Wellness and Fitness · 11–50 people8in common
More Marketing and Advertising companies
Other Marketing and Advertising companies we've checked.
1st21 Official Site tech stack FAQ
What tools does 1st21 Official Site use?
As of October 2026, runsonwhat has found 15 tools at 1st21 Official Site (1st21.com) in public records. Edge & Hosting: Cloudflare and GoDaddy. Application: jQuery, YouTube and Google Maps. Data & Observability: Google Analytics and Google Tag Manager. Go-to-market: Google Ads, Shopify and PageFly. Company Ops: Microsoft 365 and SendGrid. Last checked October 20, 2026.
What email provider does 1st21 Official Site use?
1st21 Official Site uses Microsoft 365 for email and office software, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365. Microsoft 365 is used by 709,012 companies runsonwhat tracks.
What analytics tools does 1st21 Official Site use?
1st21 Official Site uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on 1st21.com. Google Analytics is used by 873,222 companies runsonwhat tracks.
What is 1st21 Official Site's website built with?
1st21 Official Site uses Shopify for its website, alongside PageFly, according to runsonwhat (October 2026). runsonwhat found Shopify through a subdomain that points at Shopify and DNS records. Shopify is used by 59,348 companies runsonwhat tracks.
Does 1st21 Official Site use jQuery?
Yes. runsonwhat found jQuery at 1st21 Official Site through jQuery code on 1st21.com. jQuery is a Frontend tool used by 910,789 companies runsonwhat tracks.
Which companies have a tech stack similar to 1st21 Official Site's?
The companies with the stacks most like 1st21 Official Site's are Power Plate UK, Apollo Neuro, Power Plate, PHS and Oclean, according to runsonwhat (October 2026). Each shares 9 to 14 tools with 1st21 Official Site, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what 1st21 Official Site uses?
runsonwhat reads public records only. Of the 15 tools at 1st21 Official Site, 9 were found through code on 1st21.com, 2 through DNS records, 2 through email records, 1 through website configuration files and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and 1st21.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.