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Arthur 💙🇺🇸✡️

@NostraArthur

Founder/CEO at Nostra.ai Partner at Remi | Helping Shopify brands boost site speed | Member @hamptonfounders | Former @beondeck fellow
nostra.ai Joined December 2020
1.3K Following 1.5K Followers 812 Posts

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Arthur 💙🇺🇸✡️ @NostraArthur
We have the best office dog.

Havana is 5 pounds and ended up in business development (moonlights in HR). She is currently training on how to target retailers at conferences. She seems to struggle to tell the difference between vendors and prospects… and gives her energy to everyone.

Still can't get her to update HubSpot.
Arthur 💙🇺🇸✡️ @NostraArthur
🔥🔥
Roman Khan Verified account @RomanEcom May 7
I got a DM on WhatsApp from a 9 figure founder.
Question was: Does Nostra drive incrementality for us?

Disclaimer:
This post is not paid. I don’t believe in sponsored paid posts.

The reason I am posting is because the founder Arthur and Nostra in general gets so much hate. It’s insane lol.

I’d urge you to ask Grok if you can clone the product using Claude Code or something similar its hard.

What Nostra has done for Linjer:

1/ UPT is 20% with Nostra. As a result AOV is up
2/ CR is actually flat or the same. We did not see a big lift
3/ Meta ROAS is too volatile to determine and I can’t say if we got a lift

The important thing for is that 1/ is up and that naturally drives ROAS as the two are not mutually exclusive.

I believe the rationale is women browse more pages on mobile because it’s faster. That’s it. Our pages are image and video heavy. Our AOV is $300. We see more pages per session with Nostra than without Nostra. That’s it.

I would just try it and keep it simple. If it does not work great, move on if it does great keep it.

You should try it. Arthur and Nostra is not a scam. Sad to see what happened to him over the years and I am rooting for them and the team because it’s been massively ROI positive for us.
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Arthur 💙🇺🇸✡️ @NostraArthur
Nostra + Obvi = awesome results!!
Ash Verified account @ashvinmelwani Jul 24, 2025
One small A/B test lifted conversion rates by 15%+...

It wasn’t button colors or design elements. It was site speed.

Site speed optimization might seem like an afterthought, but it actually has a direct impact on revenue.

At Obvi, brand elements are one of our key differentiators. Bright visuals, dynamic content, rich imagery – that's who we are.

But as we scaled traffic, especially on mobile, we hit a wall. Load delays were creating silent friction. Customers bounced before they even reached our site.

That hurt everything from conversion rate to Meta performance.

That’s why we partnered with @NostraAI. Check out the full case study in the comments 👇
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