BigCommerce Detector
Paste any URL and instantly see whether the site is built with BigCommerce — with the matched evidence.
We do not store the URL you audit. Want the full audit (performance / images / SEO / accessibility + real-browser speed test)? → run the full audit
Why check this
Confirm the platform first: E-commerce decides what can be changed and whether it is worth it.
What this is
BigCommerce is a hosted commerce platform. Mid-market brands use its Stencil themes and CDN. Confirming `cdn11.bigcommerce.com` or `stencil/` lets you weigh theme apps, payment scripts and catalogue image strategy. Stencil apps and catalogue imagery decide whether category pages stay within budget.
How to tell from a public page
- [BigCommerce] Asset hosts include `cdn11.bigcommerce.com` or sibling CDNs.
- [BigCommerce] Paths include `bigcommerce.com/s-` storefront assets.
- [BigCommerce] Theme paths expose `stencil/`.
- [BigCommerce] Checkout or catalogue scripts hang on platform domains.
How to read the result
Confirm when CDN or Stencil paths reproduce; a press release announcing launch remains only suspected. Absence can mean a headless Catalyst front end weakened classic fingerprints. App-marketplace listings mention the platform without storefront hosts. After a hit, inspect app scripts and PLP image variants.
What to do next
Prune apps, constrain catalogue image sizes, and verify the payment layer — often Stripe — via Stripe detector. Holistic scoring returns via run the full performance / images / SEO / accessibility audit on the home page. Prefer catalogue image presets over original uploads on PLPs.
Related detectors
FAQ
How is BigCommerce detected?
From structural signatures in the public HTML and response headers (domains, paths, attributes, scripts). Every verdict lists how many times each pattern matched — nothing is guessed.
Can the result be wrong?
If only a bare brand keyword matches without structural evidence, we label it \u201clikely\u201d instead of \u201cconfirmed\u201d — we would rather under-report than cry wolf.
Do you save the URLs I check?
No. The audit runs inside the request and the URL you paste is not written to storage. There are no third-party tracking scripts on the page either, so no log of who checked what exists. Copy the result yourself if you want a record.
Can a website hide what it is built with?
Partly, but rarely completely. The HTML sent to your browser, the response headers, script paths and asset structure have to be exposed to work, so there is always something readable. Server-side code, build config and private APIs stay invisible. That is why this tool reports the evidence it found rather than claiming a full picture. No match does not mean the technology is absent.
Optimization help is available
Tell me your URL and what you want fixed — you get a clear scope, price and timeline.
To：[email protected] | Cc：[email protected]
