Guides · Google Ads basics
How Does Google Ads Work? What Happens in the Second After a Search
By Josh Croom · October 27, 2026 · 12 min read
Google Ads runs a quick auction every time someone searches, and it ranks the ads that fit by bid, ad quality and the search itself. On search ads you pay only when someone clicks, and your daily budget sets the limit. The searches, ads and pages you choose decide what each click costs and how often it turns into a call.
A furnace blowing cold air
6:15 AM. On the first cold morning of the fall, a homeowner wakes up to a chilly house, finds the furnace blowing cold air and types those words into her phone.
Before her results finish loading, Google has found every business whose keywords fit her search, checked where each one wants to show, scored each ad and put them in order. A furnace company in the next town gets the top spot. A bigger company with a bigger bid lands below it, because its ad talks about air conditioning and its page takes too long to load. She taps the first ad, and that company pays for one click, while every other business on her screen pays nothing for showing up.
furnace blowing cold air
How Google Ads works, step by step
Every search runs through the same six steps, and all of them happen before the results page loads.
Step 1
You choose topics, not exact phrases
Each keyword tells Google a topic you want to show for. We use broad match on every keyword we add, which lets Google read the need behind a search, so a keyword like furnace repair can show for furnace blowing cold air.
Step 2
Google finds the ads that fit
When someone searches, Google gathers every ad whose keywords match the meaning of the search and whose settings fit the person, such as the area you serve and the hours you chose to run.
Step 3
Google scores each ad
Google gives each ad a score called Ad Rank. Your bid counts, and so do the quality of your ad and landing page, the context of the search and extras like a phone number on your ad. Google also checks its minimum score to show and how close the competition is.
Step 4
The ads line up in order
The highest Ad Rank gets the top spot, and the next highest gets the second. An ad that doesn't clear Google's minimum doesn't show at all, no matter how much it bid.
Step 5
You pay when someone clicks
On search ads, Google charges only when someone clicks. You often pay less than your top bid, because you pay only what it takes to beat the ad below you and clear the minimum.
Step 6
Google learns from what happens next
When a click turns into a call, a form or a sale you count, Google records it as a conversion. Its automatic bidding uses those conversions to guess which future searches are worth more, and it bids to match.
Google's own example of an ad auction
Advertiser A pays just enough to beat B, and B pays just enough to clear the minimum of 40, so neither one pays its full bid. Advertiser E misses the page entirely, because a score under the bar doesn't show however much it offers to pay. That's why the quality of your ad and page counts right alongside your bid, since both feed the score that decides who shows.
What decides the price of a click
Three things move what you pay: how many others want the same search, how good your ad and page are, and how much you bid.
Google grades each keyword from 1 to 10 with a Quality Score. The score has three parts: how likely people are to click your ad, how closely the ad matches what the person wanted, and how useful your landing page is. Google calls Quality Score a diagnostic, not part of the auction, but its three parts follow the same ad quality the auction does weigh. In Google's own words, higher quality ads can often lead to lower costs per click.
When your ad uses the words people searched and your page answers the same question, Google rates it higher, and the same spot often costs less with no change to your budget. Busy seasons push the other way, because more businesses bid on the same searches and the price of a click climbs until things calm down.
How your daily budget works
You set an average daily budget for each campaign, and Google spends around that number inside two limits it publishes on its own help pages.
- 2xyour average daily budgetthe most a campaign can spend on one busy day
- 30.4xyour average daily budgetthe most it can charge you in a month
If your campaign's average daily budget is $40, it might spend up to $80 on a busy Monday and far less on a quiet Sunday, but over the month it won't charge you more than $1,216. Google shifts spend toward the days with more searches, and the monthly limit holds either way.
Your budget is always your call, so when the numbers back a bigger budget, a good manager brings it to you as a suggestion and changes nothing until you say yes.
Why we let broad keywords do the finding
People rarely type the same words twice, and our own accounts show how much business those one-time searches bring in.
- 75%of clicked searches got just one clickour accounts, 30 days to Oct 11, 2026
- 33%of all clicks came from those one-time searchesthe same accounts and days
- 46%of conversions on our paid accounts came from searches that showed an ad fewer than 10 times30 days to Oct 11, 2026
Nobody could list those searches ahead of time, which is why every keyword we add is broad match. Google also offers narrower match types that stick closer to your words, and we don't use them for new keywords, because a list of set phrases can't keep up with all the ways people ask for the same job.
Broad keywords need limits, and you set them with negative keywords. A negative keyword tells Google not to show your ad for a search. We read the search terms list every week and block the ones that will never become work, like job seekers or a service you don't offer. We don't block your main services just because one search hasn't brought a call yet. Our search terms study shows what those lists look like across many accounts.
What Google controls and what you control
Google runs the auction, but most of what decides your results sits on your side of the table.
Google decides
- It matches searches to your broad keywords.
- It sets the bid for each search when automatic bidding is on.
- It places your ad in each auction.
- It sets the exact price of each click.
You decide
- You set your budget and decide whether it changes.
- You pick the services, areas and hours you advertise.
- You choose which searches to block with negative keywords.
- You decide what your ads say and which page each ad opens.
- You decide what counts as a conversion, so Google learns from real leads.
Tracking comes before everything else
Google can only learn from what it can see, so if a call never gets counted, Google spends your money as if that call never happened.
A conversion is a step you count, like a call, a form or a sale. Most accounts start by tracking calls and forms. Next, Enhanced Conversions helps Google connect each lead to the click behind it. After that, if your lead records allow it, you can tell Google which leads turned into paying work. Google then bids harder on the searches that bring jobs.
Where your ads can show
Search ads show on Google's results page, above and below the regular results, for people in the area you choose.
On most of the paid accounts we run, ads reach only people who live in the area or spend time there. So when a search names a faraway town, the person typing it is usually nearby, and we block that kind of search if it never fits.
Performance Max campaigns have no keywords at all, so we give them search themes, and Google finds the searches that fit. Local Services Ads are a separate product, where you bid on a lead instead of a click and Google ranks you partly on your reviews and how fast you respond. Our guide to Local Services Ads vs Google Ads puts the two side by side.
How the Google Ad Grant fits in
Qualifying nonprofits can run the same kind of search ads through Google's Ad Grant. Google pays for the Grant's ads, up to $10,000 a month.
Grant ads work the same way, with extra rules Google sets for Grant accounts. If you run a nonprofit, our Google Ad Grants guide covers who qualifies and how those rules work.
What a good manager does in your account
Running Google Ads well is mostly steady weekly work on the parts you control, done in this order, because a fix that skips ahead of a broken step doesn't hold.
- Tracking: set up calls and forms before an ad runs, so every number in your report is real.
- Budget: watch spend against the limit you chose, and bring any bigger budget to you as a suggestion first.
- Waste: read the search terms every week and block the ones that will never become work.
- Bidding: once the account has real calls and forms to learn from, let Google bid toward them.
- Ads and pages: write ads that use the searcher's own words, and send each ad to a page about that service.
Is your account set up to learn?
Answer five quick questions about your own Google Ads account. Your answers aren't sent anywhere.
Do calls from your ads count as conversions in your Google Ads account?
Do form fills on your website count as conversions too?
Has someone read your search terms list in the last two weeks?
Does each ad send people to a page about the service in that ad?
Do you know what each call or form cost you last month?
Your account has what Google needs to learn from, so keep reading the search terms each week, because broad keywords drift over time unless you keep adding negative keywords.
You're partway there, so fix the first question you answered No, starting with tracking, because everything else in the account learns from it.
Google is bidding without much to learn from. Start with call and form tracking this week, since every other fix depends on it.
Check your account this week
Tick each one off as you go. Your ticks stay on this device.
0 of 6 done
Want a second look at your own account?
We've run Google Ads since May 2016, and we manage 64+ active accounts today. The Google account is in your business name. We build and manage it. If we ever part ways, you keep the account and the call data. Our PPC audit checklist lists the checks we run on every account.
If you'd like to see how your own account lines up with all this, book a call with Miguel. He'll look at how your tracking, searches and budget work today and walk you through what he sees.
Questions people ask
How much does Google Ads cost?
There's no set price, because you choose a daily budget and Google charges per click, so your spend depends on that budget and how often people click. What one click costs depends on your trade, your area and how many others bid on the same searches. A management fee, if you hire help, is separate from your ad spend.
Do you pay for Google Ads if nobody clicks?
Not on search ads, because Google charges when someone clicks rather than when your ad shows, so a search that showed your ad and got no click cost you nothing.
Why can't I see my own Google ad?
Your ad doesn't show on every search, and if you search for it often without clicking, Google may stop showing it to you, and each of those searches pulls your click rate down. Clicking it to check costs you money, so ask whoever runs your account for a screenshot instead.
What is Quality Score in Google Ads?
It's Google's 1 to 10 grade for a keyword, built from three parts: how likely people are to click your ad, how closely the ad matches the search, and how useful your landing page is. Google uses it as a diagnostic, not as part of the auction, but the same three things shape the ad quality the auction does weigh.
What's the difference between Google Ads and Local Services Ads?
Search ads in Google Ads run on keywords you choose and charge per click. Local Services Ads charge per lead, and Google ranks them partly on your reviews and how fast you respond to the people who reach out.
See how we run Google Ads for your business
Read next
- Call Log Template: What to Write Down From Every CallA ready-to-copy call log, the one question to ask every caller, and how to sort wrong numbers.
- ChatGPT Custom Instructions Examples: Make Each Fix Only OnceEight custom instructions examples to copy, and a four-line card that carries your fixes into every chat.
- ChatGPT Prompt Templates: Write the Weekly Ask Once and Save ItCopy-ready ChatGPT prompt templates for the jobs you run every week, and how to save each one.