You open a profile to "do your homework". Eleven minutes later you have read their 2014 job at a company that no longer exists, you know they ran a half-marathon, and you still have no idea what to say to them. That is not LinkedIn prospect research. That is procrastination with a scroll bar.
The fix is a time budget and a shortlist. Ninety seconds, four things. Anything you did not find in ninety seconds was probably not going to change your first line anyway.
Why ninety seconds is the right budget
Two reasons, and they both come from arithmetic.
First: volume. If you send fifteen messages a week and spend ten minutes researching each one, that is two and a half hours of reading for fifteen sentences of output. Nobody sustains that past week three. The research dies, and the outreach dies with it, because you now associate prospecting with an afternoon of dread.
Second: diminishing returns. The useful detail is almost always near the top of the profile. Everything below it is history, and history rarely tells you what someone is dealing with this quarter. You are not writing a biography. You are trying to earn one reply.
Ninety seconds is long enough to find a real detail and short enough that you will still be doing it in March.
The four things worth reading on a profile
These are in order. Read them in this order, stop when you have something you can use.
1. The current role and how long they have been in it.
The title tells you what they are responsible for. The start date tells you what phase they are in. Those are two different pieces of information and the second one is the one most people skip.
Someone four months into a Head of Sales role is building a team, inheriting a pipeline, and trying to show something by month six. Someone six years into the same title has seen every vendor pitch twice and is not impressed by novelty. The identical message lands completely differently on those two people.
Look for: new in post (under nine months), long-tenured (over four years), or recently promoted internally. Each one changes your angle.
2. The move before this one.
One line down. What did they do immediately before, and is the current job a step sideways, a step up, or a change of industry?
This is the cheapest source of genuine context on the whole platform. Someone who moved from a 2,000-person corporate to a 30-person company has just discovered that nothing works the way it used to. Someone who moved from agency to client side knows exactly how your kind of service is sold, and will spot a script instantly. Someone who came up through operations into a commercial role is usually process-minded and allergic to vague promises.
You are not going to mention their career path in the message. You are using it to choose your register.
3. Their own words.
The About section, the headline they wrote themselves, or — better — their last post or comment. Twenty seconds of scrolling the Activity tab.
This is where you find the language they use for their own problem. If they describe their team as "commercial", do not say "sales org". If their headline is a plain job title with no adjectives, they are probably not someone who responds to enthusiasm. If they write long posts about hiring, hiring is on their mind right now and has been for weeks.
A headline is a deliberate choice, which is why it is worth reading closely — anyone who has been through a headline that actually names who they help has told you their positioning on purpose. Take them at their word.
This is also the only one of the four that can hand you a first line directly. A comment they left on someone else's post three days ago is live, specific and nobody else has mentioned it to them.
4. One signal from the company.
Click through to the company page for fifteen seconds. Headcount band. Are they posting jobs. Any announcement in the last month.
You are looking for one thing: evidence of change. A company that has gone from 40 to 70 people has problems that a stable 40-person company does not. Open roles in a function next to your prospect's tell you where the strain is. A funding or product announcement tells you where the attention is.
If nothing is happening, that is also information. Stable company, long-tenured contact, no visible movement — this is a cold prospect and your expectations should adjust. Send the message anyway, but do not spend ten minutes crafting it.
What to ignore, even though it is tempting
Skills and endorsements. Nobody curates them and they are frequently years out of date.
Recommendations. Written by friends, usually in 2016.
Education, unless you share it and intend to say so — and even then, "we went to the same university" is a weak reason to buy anything.
Volunteering, marathons, personal milestones. Mentioning these reads as surveillance, not interest. The rule: if the detail would feel odd coming from a stranger in a lift, it will feel odd in a cold message.
And the big one — the first line that says "I was looking at your profile and I was impressed by your journey". That sentence is the universal tell for someone who found nothing. It is the main reason generic outreach templates stopped working: the personalisation slot got filled with flattery instead of information.
Turning ninety seconds into one usable sentence
Research that does not change a word of your message was wasted. So force the output.
After the four checks, write one sentence in this shape: [what phase they are in] + [what that usually costs] + [why you are writing now].
For example: four months into a new Head of Sales role at a company that has just doubled its team, so the onboarding of new reps is probably ad hoc, and that is the thing I help with. That sentence is for you, not for them. From it you can write an opener that refers to the situation rather than the person — which is both more accurate and less creepy.
The opening line is where the ninety seconds pays out, and it is worth knowing which shapes of first line earn the second line before you write it.
One honest limit: at any real volume, per-profile research collapses. Something has to give — either you accept generic messaging, or you use a tool. BIZLINKED is one: its Chrome extension runs in your own browser and LinkedIn session and automatically sends connection invitations and messages, with the first message and follow-ups written by AI, inside limits it sets itself (at most 100 invitations a week, 150 once more than 40% are accepted, business hours only, random pauses). Be clear-eyed about what that means. LinkedIn's User Agreement does not allow third-party software or browser extensions that automate activity on the platform, so this is automation of the kind the rules prohibit, and accounts can be restricted at any volume — no limit removes that risk. Pricing and detail are on the site. Whichever route you take, the four checks above are what make a message land; a tool changes the throughput, not the thinking.
Monday morning
Pick ten profiles from your list. Set a timer for fifteen minutes total.
For each one, in order: current role and tenure, previous role, their own words, one company signal. Write your one sentence in a spreadsheet column. Move on. If the timer runs out at profile seven, send seven messages.
At the end of the week, look at which replies came back and check what the sentence said about them. You will notice fast that one of the four signals predicts replies better than the other three in your market. Weight it. Drop the weakest one. That is how LinkedIn prospect research gets faster without getting shallower — not by reading less, but by learning which line on the profile actually moves the conversation.
