What JavaScript SEO means
JavaScript SEO is about whether search engines can actually see your page's content when that content only appears after JavaScript runs in the browser.
A founder's product page might look complete to a human visitor, while a crawler that does not fully render JavaScript sees only an empty shell with none of the real text, pricing, or description.
This is not only a search engine problem. Some AI crawlers also struggle to render heavy JavaScript, so the same blank-shell issue can hide your product from AI tools too.
Check your rendered page against a text-only view of your site to see whether the important content — headline, description, pricing — is actually visible without JavaScript.
Why this matters for builders
If crawlers only see an empty shell, your product page may not get understood.
Mistake builders make often
Some builders assume a page is fine because it looks correct in their own browser, without checking whether a crawler that does not fully render JavaScript sees the same content.
What to do now
Run your product page through the JavaScript SEO Checker to see what a crawler actually reads versus what a person sees.