My topic clusters are acting weird

hey everyone,

so, we launched our new AI-powered scheduling SaaS a while back. it's pretty cool, helps teams manage their time better, but like most startups, we're trying to get organic traffic without blowing our entire budget on ads. the plan was to heavily invest in a solid content strategy, specifically leaning into topic clusters for SEO. seemed like the smart move, right?

well, six months in, and after consistently publishing 2-3 articles a week, our analytics are flatter than a pancake. it's kinda painful. our topic clusters just aren't gaining any traction, they're not interlinking effectively (at least not in Google's eyes, apparently), and definitely not ranking for anything meaningful. our main pillar content pages aren't getting the expected boost from all those supporting articles. it honestly feels like all that content is just floating around in a black hole somewhere, doing absolutely nothing.

we’ve tried a bunch of things, thinking we were doing it right:

• extensive keyword research using Ahrefs and Semrush – we really dug deep for low-competition, high-intent terms, thought we had some killer ideas.
• mapped out several topic clusters around productivity hacks, time management tips, and meeting scheduling best practices.
• we're diligent with internal linking. every supporting article links back to its pillar page, and relevant articles link to each other.
• really tried to optimize for user intent – like, what is someone *actually* looking for when they type that query?
• invested in good freelance writers and had a thorough editing process to ensure quality. no spun content here, promise.
• checked for basic technical SEO issues – site speed is decent, mobile-friendliness is good. no obvious red flags there.

but still, nada. it's like Google's algorithm just decided our content isn't worth its time. so, i'm reaching out to the community for some wisdom. i'm scratching my head over here:

• what are some common, subtle mistakes people make with topic clusters that prevent them from working? maybe i'm missing something super obvious but hard to spot?
• how do you effectively measure the success of an entire topic cluster, not just individual articles? is there a specific metric or approach beyond just traffic to individual posts?
• should i pivot to more content promotion outside of pure SEO if organic isn't hitting? like, LinkedIn, newsletters, etc., or stick with the SEO game a bit longer?
• are there specific tools or frameworks for auditing underperforming topic clusters that go beyond the usual suspects?
• could my understanding or execution of "user intent" be totally flawed for these clusters? any tips on nailing that?

thanks in advance for any insights!