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WTF is SEO?

Every SEO term, in words a human would use. 122 of them.

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404

Page not found.

The error when a URL doesn't exist anymore.

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A/B test

Two versions, a coin flip, a winner.

Showing half your visitors one version of a page and half another, then keeping whichever converts better.

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Ad assets

The extra bits under your ad.

Phone numbers, sitelinks, callouts and images attached to a search ad. Used to be called extensions.

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Ad rank

Where your ad lands in the auction.

Google's formula combining your bid, Quality Score and ad assets to decide ad position.

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AEO

SEO for the robots that answer questions.

Answer engine optimization. Making your pages easy for ChatGPT, Gemini and Google's AI to quote when someone asks a question.

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AI Overviews

Google's robot summary at the top of the results.

The AI-written answer Google puts above the normal results. It cites a few sources and often means nobody needs to click.

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Algorithm update

Google changed the rules and didn't send a memo.

A change to how Google ranks pages. Small ones happen daily. Big ones get names and ruin agency weekends.

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Alt text

Describing an image for people who can't see it.

Text describing an image, read by screen readers and search engines.

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Anchor text

The clickable words in a link.

The visible text of a link. Tells Google what the linked page is about.

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API

How two pieces of software talk.

Application programming interface. A defined way for one app to send data to or request data from another.

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Attribution

Who gets credit for the sale.

The rules that decide which ad or channel gets credit when a customer touched several before buying.

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Average position

Roughly where you rank. Roughly.

Search Console's average of every position you appeared at. Blends good and bad rankings into one number.

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Bid strategy

Telling the ad platform what you're trying to buy.

The setting that decides how the platform spends your budget — clicks, conversions, value, or a target cost.

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Bounce rate

They came, they looked, they left.

The share of visits where someone leaves without a second interaction. In GA4 it's the inverse of engagement rate.

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Broad match

'Show my ad for anything vaguely related.'

A keyword setting that lets Google match your ad to loosely related searches.

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Cache

Saving a copy so it loads faster next time.

Storing pages or files temporarily so they don't have to be rebuilt for every visitor.

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Cannibalization

Two of your pages fighting over one search.

When multiple pages on your site compete for the same query and split the rankings.

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Canonical tag

'This is the real version of this page.'

A tag telling Google which URL is the main one when several show the same content.

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CDN

Copies of your site parked closer to visitors.

Content delivery network. Serves images and files from servers near whoever's visiting.

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ChatGPT Ads

Ads inside the AI's answer.

Sponsored placements inside ChatGPT conversations, targeted by location and context rather than keywords.

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Citations

Your business info listed around the internet.

Mentions of your name, address and phone on directories like Yelp, BBB and industry sites.

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Clicks

Somebody actually picked you.

The number of times someone clicked your result in Google. The first number that means a human chose you.

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CMS

The dashboard you edit your site in.

Content management system. WordPress, Shopify, Wix, Squarespace and friends.

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Content decay

A page slowly losing traffic.

A page whose clicks decline over months as newer or better content outranks it.

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Conversion

A visitor becoming a customer. Or at least a lead.

Any action that matters to the business: call, form, sale.

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Conversion bidding

Let the platform chase buyers instead of clickers.

A bid strategy (like tCPA or oCPC) where the platform spends to find people likely to convert. You still pay per click.

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Conversion rate

The percentage who actually do the thing.

Conversions divided by visitors. If 1,000 people visit and 20 call, that's 2%.

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Conversion tracking

Proving the ad did something.

Code and setup that records when a click turns into a call, form or sale, and sends it back to the ad platform.

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Core update

A big, broad Google reshuffle, a few times a year.

A major change to Google's ranking systems. Not a penalty — it re-evaluates everybody at once.

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Core Web Vitals

Google's speed and stability grades.

Three measurements of how fast a page loads, how quickly it responds, and whether it jumps around while loading.

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CPA

What one customer cost you.

Cost per acquisition. Spend divided by conversions — the number that actually matters.

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CPC

What one click costs you.

Cost per click. Your ad spend divided by the clicks it got.

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CPL

What one lead cost you.

Cost per lead. Spend divided by calls, forms or bookings.

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CPM

What a thousand views of your ad cost.

Cost per mille — per thousand impressions. How awareness ads like streaming TV and display are priced.

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Crawl budget

How much of your site Google bothers to read.

The number of pages Google will crawl in a given time. Matters mostly for big sites.

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Crawling

Google's robot reading your site.

Googlebot visiting pages and following links to discover what exists.

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CRO

Getting more out of the visitors you already have.

Conversion rate optimization. Changing pages so a bigger share of the people already arriving actually call, book or buy.

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CSS

What makes it look like anything.

The code that controls layout, colors, fonts and spacing.

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CTR

Of the people who saw you, how many clicked.

Click-through rate. Clicks divided by impressions.

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Digital PR

Getting press so you get links.

Pitching stories and data to journalists so coverage links back to you.

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DNS

The internet's phone book.

Domain name system. Points your domain to the server where your site and email live.

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Domain

Your address on the internet.

The name people type to reach your site, like unvertise.llc.

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Domain authority

A made-up score that's still useful.

A third-party estimate (from tools like Moz or Semrush) of how strong a site's backlinks are. Google doesn't use it.

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Doorway pages

Pages that exist only to funnel you somewhere else.

Near-identical pages built to rank for many locations or terms, all pushing to one destination.

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Duplicate listings

Two of you on the map. Neither wins.

Extra copies of your business on Google or directories, usually from old addresses or old owners.

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E-E-A-T

Proof you know what you're talking about.

Experience, expertise, authoritativeness, trustworthiness. How Google's raters judge whether content deserves to rank.

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FAQ schema

The markup Google stopped rewarding.

Structured data marking questions and answers on a page. Google stopped showing FAQ rich results on May 7, 2026.

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Form abandonment

They started filling it in and gave up.

People who begin your contact or checkout form and leave before submitting.

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GA4

What people did after they showed up.

Google Analytics 4. Tracks visits, where they came from, and whether they did anything useful like calling or buying.

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GEO

AEO with a more expensive name.

Generative engine optimization. Mostly the same as AEO. Mostly the same as good SEO, honestly.

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Google Business Profile

Your listing on Google Maps.

The free business profile with your hours, reviews, photos and phone number. Used to be called Google My Business.

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H1

The main headline on the page.

The top heading of a page. Tells readers and Google what the page is about.

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Halo effect

Ads you didn't click still worked.

When paid media makes people search your name later, which shows up as organic traffic.

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Heatmap

A picture of where people click and stop.

A visual of clicks, scroll depth and mouse movement on a page.

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Hosting

Where your site actually lives.

A server that stores your website and sends it to visitors.

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HTML

The skeleton of a web page.

The markup that says what's on a page: headings, paragraphs, links, images.

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Impression share

How often your ad showed when it could have.

The percentage of eligible searches where your ad actually appeared.

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Impressions

How many times Google showed you. Not how many people cared.

A count of how often your page appeared in results. Doesn't mean anyone saw it, scrolled to it, or clicked.

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Indexing

Google deciding to keep your page.

After crawling, Google decides whether to store the page so it can appear in results.

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JavaScript

What makes the page do stuff.

The code for interactive features: menus, sliders, forms, tools.

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JSON-LD

The format schema is usually written in.

A block of code in the page that lists facts about it in a way machines read perfectly.

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Key event

The thing you actually wanted them to do.

GA4's name for a conversion: a call, a form, a booking, a purchase.

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Keyword

The words people type into Google.

The search terms you want to show up for. Really just the customer's own words.

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Landing page

Where the ad sends people.

The page someone lands on after clicking an ad. Built to get one action.

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Lazy loading

Only load images when they're needed.

Delaying images and videos until the visitor scrolls near them.

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llms.txt

A map of your site for AI.

A plain-text file listing your key pages with descriptions, meant to help AI tools understand your site.

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Local grid ranking

Where you rank, block by block.

A map showing your ranking from dozens of points around your area instead of one average.

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Local Services Ads

The 'Google Guaranteed' boxes up top.

Pay-per-lead ads for service businesses that sit above normal Google Ads, with a verified badge.

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Long-tail keyword

A longer, pickier search. Fewer people, better people.

Specific searches like 'tankless water heater cost Louisville' instead of 'water heater.'

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Manual action

A human at Google flagged your site.

A penalty applied by a real reviewer, not the algorithm. It shows up in Search Console with a reason.

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Map pack

The three businesses on the map.

The local results with a map that show up for 'near me' style searches.

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Meta ads

Ads on Facebook and Instagram.

Advertising across Meta's apps, targeted by interests, location and behavior rather than searches.

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Meta description

The little blurb under the headline.

The summary Google may show under your title. Google rewrites it often.

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Mobile-first indexing

Google judges your phone version.

Google ranks based on how your site works on mobile, not desktop.

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NAP

Name, address, phone.

The three facts that must match everywhere your business is listed.

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Negative keywords

Searches you refuse to pay for.

Terms you tell the ad platform to never show your ad for, like 'free' or 'jobs'.

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Orphan page

A page nothing links to.

A page on your site with no internal links pointing at it. Google finds it late or never.

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OTT

TV ads on streaming.

Over-the-top advertising: commercials on streaming services like Hulu or Roku, bought without a cable company.

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Page speed

How long they wait.

How fast your page loads, especially on a phone on a bad connection.

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Performance Max

Google's 'trust me' campaign.

A Google Ads campaign type that runs across Search, YouTube, Display, Gmail and Maps from one budget, mostly on autopilot.

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Pixel

A tiny snippet that reports back.

Tracking code from an ad platform (Meta, Google, OpenAI) placed on your site to record visits and conversions.

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Plugin

An add-on that does one thing.

Extra software added to a CMS like WordPress for forms, SEO, caching and more.

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PPC

Paying every time someone clicks your ad.

Pay-per-click advertising. You bid to show up in search, social or AI results and pay when someone clicks.

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Programmatic

Robots buying ad space for you.

Automated buying of display, video and streaming ads across thousands of sites at once.

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Programmatic SEO

Building lots of pages from a template.

Generating many pages from data, like one page per service per city.

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Quality Score

Google grading your ad before it charges you.

Google Ads' 1–10 rating of how relevant your ad, keyword and landing page are.

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Redirect (301)

A forwarding address for a moved page.

Sends visitors and Google from an old URL to a new one, and passes most of the ranking value along.

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Remarketing

Google's word for retargeting.

Same idea as retargeting: re-reaching past visitors, often through Google's ad network or email.

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Render-blocking

Code that makes the page wait.

Scripts or styles that must load before anything appears on screen.

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Responsive design

One site that fits every screen.

Layouts that adapt to phones, tablets and desktops automatically.

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Retargeting

Ads that follow people who already visited.

Showing ads to people who've been to your site but didn't call or buy.

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Reviews

Strangers vouching for you.

Customer ratings on Google and elsewhere.

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Rich results

Search results with extras.

Stars, prices, event dates and other enhancements Google adds to a result using schema.

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ROAS

Dollars back for every dollar in.

Return on ad spend. Revenue from ads divided by what the ads cost.

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robots.txt

The bouncer at the door.

A file telling crawlers which parts of your site they're allowed to visit.

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Schema markup

A cheat sheet for search engines, hidden in your code.

Structured data that tells Google exactly what's on a page: this is a business, this is its phone number, this is a product.

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Search Console

Google telling you what it thinks of your site. For free.

Google's free tool showing which searches you appear for, how often people click, and what's broken.

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Search intent

What the person actually wants.

The goal behind a search: learn something, compare, buy, or find a place.

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SEO

Getting found on Google without paying for the click.

Search engine optimization. Making your site easy for Google to read, trust and show to people searching for what you sell.

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SERP

The page of Google results.

Search engine results page. Ads, maps, AI answers, snippets, then the actual results.

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Shopify

The CMS for selling stuff.

A hosted e-commerce platform for online stores.

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Sitemap

A list of your pages, for Google.

A file (sitemap.xml) listing the URLs you want indexed.

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Spam update

Google taking out the trash.

An update aimed at sites breaking Google's rules — link schemes, scaled junk, hacked pages.

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SSL / HTTPS

The padlock in the address bar.

Encryption between the visitor and your site. Shows as https:// and a lock.

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Staging site

A private copy to break things on.

A duplicate of your website where changes get tested before going live.

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Striking distance

Almost on page one.

Queries where you rank roughly 4th to 15th. Close enough that small changes move them.

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Title tag

The blue headline in Google.

The page title that appears as the clickable link in search results.

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Topical authority

Being the obvious expert on a subject.

Covering a topic thoroughly enough that Google trusts you for everything related to it.

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UI

How the site looks and what you click.

User interface. Buttons, menus, forms, layout.

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Unassigned traffic

GA4 shrugging.

Visits GA4 couldn't match to a channel. Usually untagged directories, review sites or email tools.

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UTM parameters

Tracking tags on a link.

Bits added to a URL (like ?utm_source=gmb) so analytics knows where a visit came from.

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UX

How using the site feels.

User experience. Whether people can find what they need and do the thing they came to do.

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White-label SEO

SEO done by someone else, under your agency's name.

An agency resells SEO work that another company actually does, with no outside branding.

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Wireframe

The sketch before the design.

A simple layout plan showing what goes where on a page, without colors or images.

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WordPress

The CMS behind a huge chunk of the internet.

A free, open-source website platform extended with themes and plugins.

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