Open your analytics and sort the blog by sessions. I would bet the top post is an explainer: "what is" something, a glossary term, a definition. It ranks, it pulls visitors every week, and as far as you can tell, nobody who reads it has ever started a trial.
That is not a broken blog. It is a blog answering the wrong people very well. When a SaaS blog gets traffic but no signups, the gap is almost always intent rather than volume, and the fix is to stop judging every post by the same number.
Traffic and buyers are different searches
Think of it like profiling an app by request count instead of by which requests come from paying users. The busiest endpoints are rarely the ones that matter for revenue. Search works the same way. Roughly, people searching around your product fall into three groups:
Learners. "What is", "how does", definitions. The widest audience: students, practitioners, competitors, the curious. This is why those posts rank and pull sessions.
Problem-aware. "How to fix", "why does", "how do I". Someone with the problem your product solves, still deciding how to solve it.
Buyers. "Best tool for", "alternatives to", "X vs Y", "pricing". Fewer searches, far more specific, and much closer to a decision.
Most early-stage blogs are heavy on the first group because those topics are the easiest to think of. They are also the ones least likely to convert, which is not a flaw in the posts. It is just who reads them.
Re-sort your posts by who is searching
You do not need a new tool for this. Search Console has what you need. Open the Performance report, go to the Pages tab, and for each of your top pages, filter to that page and look at the Queries tab. For reference, Google counts an impression when someone has seen, or potentially seen, a link to your site in Search, and a click when someone follows that link to a page outside Google (sourced from Search Console Help).
Read the actual queries, then tag each post as Learner, Problem or Buyer based on what people typed to find it, not on what you meant the post to be. It takes an afternoon for a blog of thirty or forty posts. Most teams find the traffic is concentrated in Learner posts and that they have very few Buyer pages at all.
Treat each group differently
Learner posts: keep them, and stop grading them on signups
They earn reach, links and familiarity, and they are often what an AI assistant or a colleague points someone to first. Do not delete them. Do give them a next step that fits the reader: a link to the related Problem post, not a "start your free trial" banner that nobody reading a definition is ready for.
Problem posts: put the product where it belongs
This is where most blogs are too shy. If the post explains how to solve a problem your product solves, show how it is solved with your product, with a real screenshot, alongside the other ways. Be honest about when your product is not the answer. A technical reader trusts a post that admits a limit far more than one that pretends there are none.
Buyer pages: build the ones you are missing
Comparison pages, alternatives pages, pricing explanations, integration pages, use-case pages. These are often not blog posts at all and they usually sit closer to your product pages than to the blog index. They are also the pages a founder tends to put off, because they mean naming competitors and committing to a pricing story.
Make the ranking pages lead somewhere
Once the posts are sorted, the mechanics are straightforward:
One contextual link from each Learner post to a Problem post, in a sentence that is already heading there, not a block of "related reading" at the bottom.
One link from each Problem post to the relevant feature, pricing or comparison page.
A call to action matched to intent. A Learner post gets a soft next read. A Buyer page gets the trial or the demo, prominently.
Check the signup page itself. If the traffic does arrive and still does not convert, the problem may be the last step. What makes a trial signup page actually convert covers that half.
Make sure you can attribute a signup to the page it started on. If you cannot see which landing page produced a trial, every decision above is a guess.
Why there is no benchmark in this post
You will find blog-to-signup conversion rates quoted all over the internet. I have not used any here, because the ones I have seen do not state their sample, their period or what kind of company they measured, and a B2B SaaS blog in Canada with forty posts is not the same thing as a consumer app with four thousand. Compare your posts against each other instead. That comparison is real, and it is yours.
How long this takes to show up
Re-sorting and relinking the existing posts can change behaviour within weeks, because those pages already have traffic. New Buyer pages take longer, because they have to be found and ranked first, and how long SEO takes for a SaaS company is honest about what that wait looks like.
If you work through this and find the real problem is the content plan underneath it (posts written for the wrong reader from the start, or a site that makes the buyer pages hard to crawl), that is the technical SEO and content work I do for startups.
So here is the question worth an afternoon: of your ten most-read posts, how many would a buyer actually read?