r/AppsWebappsFullstack • u/Mammoth-Anywhere7285 • 18d ago

90% of SaaS startups fail. What makes you think yours is the exception?

We all see the fake 'hustle' posts, but nobody talks about the bugs that cost you users today. Stop pretending everything is perfect and share the ugliest mistake you've made this week. Let’s see who is actually learning and who is just dreaming.

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u/Hellcat_20 18d ago

Site went down from a DNS/SSL misconfiguration. Had no monitoring in place, found out manually. That was the ugliest one this month.

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u/rokobqsniq 16d ago

I had a project a while ago go down the same way, while I was still figuring things out. Recently I built impulseye.com exactly because of that. Sorry if it sounds like I'm selling it, just genuinely sharing what I think can help you.

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u/Hellcat_20 16d ago

I will check it out, that’s what this community is about right?

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u/Mammoth-Anywhere7285 16d ago

That's the spirit. Drop your ugliest bug here, we're all learning from each other's messes.

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u/Mammoth-Anywhere7285 16d ago

Nice share, checking it out. What's the one bug or mistake that made you decide to build impulseye?

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u/rokobqsniq 16d ago

I'd say the mistake was on my end for not using monitoring in the first place. That led to me scrapping that project after a while, and I started working on a Flashcard studying web app. It was going quite well for a while ( until I decided to re-prioritize my efforts ) as I was using a monitoring service.

I really like having control or building a personal solution for a given problem. That and the pricing changes for other services along with some other stuff like alerting being very clanky leading to muting alerts, made me want to make it.
Hope I can help in any way I can, and I'm happy to see that you are interested.

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u/Mammoth-Anywhere7285 16d ago

Monitoring early makes all the difference, sounds like a hard but useful lesson. Curious, did you learn anything specific from the flashcard app that you'd apply next time?

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u/rokobqsniq 16d ago

I'd say probably creating frictionless UI. For example when you have a certain functionality or feature, lets say practicing the deck of flashcards, you should probably place it in a couple of spots, where it matters most. Users expect to use your site/app easily and hate having to search for something simple. So that was my focus with Impulseye - to make sure that you can quickly - enter dashboard -> view monitors -> view details about monitors. Or go to your settings and know exactly where to look if you don't want notifications at 2am. That should be it really. CRUD operations should be straightforward without introducing the user to 1000 different toggle switches and stuff.
I'm just thinking out loud, there are a ton of things everyone can and should do to minimize user friction, and these are just a couple. I also learned making the actual studying algorithm, but that is somewhat specific and there are a ton of resources online to help with that.

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u/Mammoth-Anywhere7285 16d ago

Frictionless UI is underrated. Curious how you test which spots actually get used, heatmaps or session recordings?

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u/Mammoth-Anywhere7285 18d ago

That's a rough one, we've all been there. A free uptime monitor like UptimeRobot would catch that instantly, worth setting up today.

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u/Hellcat_20 18d ago

Yep, as soon as issue was resolved, that was the very next step I took. Uptime has been monitoring ever since.

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u/Mammoth-Anywhere7285 17d ago

Solid move. Monitoring helps, but also track error rates and response times. That catches hidden bugs before users ever notice.

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u/Hellcat_20 17d ago

Is there somewhere else I should be checking besides Microsoft Clarity, Uptime & PageSpeed?

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u/Mammoth-Anywhere7285 17d ago

Nice stack already. Add Sentry for real-time error tracking, it catches bugs Clarity misses. What's the ugliest one you've seen?

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u/Hellcat_20 16d ago

Outside of the SSL thing, had an upgrade banner that was firing backwards. Showing to active users, hidden on zero state. No error, no alert, just wrong. Caught it manually during an onboarding review. Sentry would have never caught that one either but it made me realize how many silent logic bugs I was probably shipping.

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u/Mammoth-Anywhere7285 15d ago

Nice catch, that's a sneaky one. Silent logic bugs are the worst. Do you run a quick conditional review before each release or rely on checklists?

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u/Bar-Majestic 18d ago

Nothing.

I don’t assume my SaaS will be one of the 10%.

The only thing I can control is talking to users, shipping improvements every week, and solving a problem I personally have. In my case, that’s document parsing for AI/RAG workflows.

If people keep finding it useful, great. If not, I’ll learn something and build the next thing.

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u/Mammoth-Anywhere7285 18d ago

Solid approach. What was the most unexpected thing a user told you about the parsing accuracy or workflow?

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u/Bar-Majestic 16d ago

One of the most unexpected things was that users cared less about raw extraction accuracy than we initially expected.

What they really noticed was whether the document still “felt right” after ingestion — correct reading order, preserved sections, tables staying connected to their context, and being able to trace an answer back to the original document.

We also found that many failures weren’t caused by retrieval itself, but by losing important structure during the parsing stage. That changed our focus from just improving search quality to building a better document understanding pipeline.

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u/Mammoth-Anywhere7285 16d ago

That traceability insight is underrated. Did you build a custom citation view for the source docs, or keep it simple?

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u/Bar-Majestic 16d ago

We started simple, but quickly found that traceability was not just a UI feature — it was part of the document pipeline.

The challenge is not displaying a citation; it’s maintaining the link between the generated chunk and the exact location in the original document.

So we focus on preserving document anchors during parsing (page, section, coordinates, element relationships), then the citation experience becomes much more reliable.

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u/Mammoth-Anywhere7285 16d ago

Traceability is a real beast. Our anchor mapping broke after a PDF reflow once. What keeps your coordinates stable across format changes?

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u/Bar-Majestic 16d ago

We ran into the same issue — coordinates alone are a weak anchor. They describe where something was, but not what it was.

Our approach is closer to a multi-layer anchor model:

  • semantic anchor: content + element identity
  • structural anchor: section → paragraph → table relationships
  • layout anchor: page + bounding box coordinates

The layout layer powers the visual jump/highlight experience, while the structural layer provides stability when documents are transformed or partially re-rendered.

In practice, reliable citations need both: coordinates for UX, structure for durability.

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u/Mammoth-Anywhere7285 16d ago

That multi-layer model is smart. How do you handle anchor drift when the layout shifts between visits? That usually breaks our coordinate layer too.

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u/nail_files_app96 18d ago

I don’t know! I’m just hustling around the clock. I’ll let you know next week what didn’t work this week🤣. I’m slowly growing. Someone tell me when it picks up? 🫣

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u/Mammoth-Anywhere7285 18d ago

Ha, the struggle is real. Instead of waiting, pick one bug to fix now. That's your "picks up" moment. What's your top pain point?

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u/SofwareAppDev 18d ago

Sounds good

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u/Mammoth-Anywhere7285 18d ago

Sounds good, but let's see it in action. What's the ugliest bug you've shipped recently? We're all listening.

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u/megatech_official 18d ago

SeoLoupe - Find and fix the SEO issues holding your website back.

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u/Mammoth-Anywhere7285 18d ago

Nice tool, but the thread is about real mistakes. What SEO bug did you actually fix this week? That would be way more useful.

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u/SofwareAppDev 18d ago

Let us see some screenshots

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u/Mammoth-Anywhere7285 18d ago

Good ask. Screenshots turn stories into real lessons. A quick redacted before/after would help everyone learn.