Google Ads Reference
PPC Glossary for 2026
92+ pay-per-click terms defined — from Ad Auction and Quality Score to Performance Max and Smart Bidding. Search by keyword, browse by letter, and follow internal links to related concepts and services.
- A/B Testing (Ad Experiments)
- The practice of running two or more ad variants simultaneously to determine which performs better. In Google Ads, use the Experiments tool to split traffic between a control and a treatment — isolating variables like headline, CTA, landing page, or bidding strategy.
- Ad Auction
- The automated process that runs in milliseconds every time a user searches. Google evaluates every eligible ad based on bid, Quality Score, and expected impact of extensions to determine placement and cost.
- Ad Copy
- The written text in a paid advertisement — headlines, descriptions, and display URL. Compelling ad copy improves click-through rate and signals relevance to Google, directly influencing Quality Score.
- Ad Extensions
- Additional information appended to ads, including sitelinks, callouts, structured snippets, call extensions, and price extensions. Extensions increase ad size, improve CTR, and boost Ad Rank at no extra cost.
- Ad Group
- A container within a campaign holding a set of related keywords and the ads triggered by those keywords. Tight, themed ad groups improve relevance and Quality Score.
- Ad Rank
- The score that determines your ad's position in search results. Calculated from max CPC bid × Quality Score, plus the expected impact of ad extensions and other ad formats. Higher Ad Rank = better position at lower cost.
- Ad Schedule (Dayparting)
- A campaign setting that controls when your ads appear, letting you show ads only on specific days or hours — or apply bid adjustments based on time of day to capitalise on peak conversion windows.
- Attribution Model
- The framework for assigning conversion credit to touchpoints in the customer journey. Models include last-click, first-click, linear, time decay, position-based, and data-driven attribution.
- Auction Insights
- A Google Ads report showing how your ads perform compared to other advertisers in the same auctions. Key metrics include impression share, overlap rate, position above rate, and top-of-page rate — essential for competitive analysis.
- Audience Targeting
- The ability to show ads to specific user segments based on demographics, interests, in-market behaviour, customer lists, or previous site visits (remarketing). Used to increase bid adjustments for high-value audiences.
- Automated Bidding
- Google's machine-learning bid optimisation system that adjusts bids in real time using signals like device, location, time of day, search query, and audience behaviour to hit a specified campaign goal.
- Bid
- The maximum amount you're willing to pay per click (CPC) or per thousand impressions (CPM). In a keyword auction, your actual CPC is almost always less than your max bid.
- Bid Adjustment
- A percentage modifier applied to bids for specific signals — device (mobile, desktop, tablet), location, audience segment, or time of day — to increase or decrease bid amounts relative to your base bid.
- Bid Strategy
- The method used to set bids in a campaign. Options range from manual CPC to automated strategies like Target CPA, Target ROAS, Maximise Conversions, and Maximise Conversion Value.
- Bounce Rate
- The percentage of landing page visitors who leave without taking any action. A high bounce rate can signal poor ad-to-landing-page relevance, dragging down Quality Score and increasing CPA.
- Brand Bidding
- Bidding on your own brand name as a keyword to secure top ad position, control your messaging, and defend against competitors who may bid on your brand terms. Brand campaigns typically have the highest Quality Scores and lowest CPCs in any account.
- Broad Match
- A keyword match type that shows ads for searches related to your keyword, including synonyms, related terms, and variations. Provides the widest reach but least control. Best used with Smart Bidding and strong negative keyword lists.
- Budget
- The total amount allocated to a campaign — set as a daily average. Google may spend up to 2× the daily budget on high-traffic days, staying within the monthly budget cap (daily budget × 30.4).
- Call Asset (Call Extension)
- An ad asset that adds your business phone number directly to search ads, enabling one-tap calling from mobile results. Calls can be tracked as conversions in Google Ads — critical for service businesses that generate leads by phone.
- Call-to-Action (CTA)
- The instruction that prompts a user to take action — 'Get a Free Quote', 'Shop Now', 'Book a Demo'. A clear, benefit-driven CTA directly improves click-through and conversion rates.
- Campaign
- The highest-level container in a Google Ads account. Campaigns define budget, bidding strategy, network targeting, location targeting, and ad rotation settings. All ad groups within a campaign share these settings.
- Click-Through Rate (CTR)
- Ad clicks divided by impressions, expressed as a percentage. A higher CTR signals strong ad relevance and positively influences Quality Score, helping reduce CPC and improve Ad Rank.
- Conversion
- A desired action completed by a user after clicking your ad — a purchase, form submission, phone call, app download, email sign-up, or chat session. Defined and tracked via Google Ads conversion tracking.
- Conversion Rate
- The percentage of ad clicks that result in a conversion. Calculated as (Conversions ÷ Clicks) × 100. Improving conversion rate has a compounding effect on CPA and ROAS.
- Conversion Tracking
- The Google Ads feature that records which ad interactions led to valuable customer actions. Set up via Google Tag Manager or direct site tag. Without it, Smart Bidding strategies cannot optimise effectively.
- Conversion Window
- The period after an ad click during which a conversion is credited to that click. Default is 30 days for purchases; shorter for phone calls (60 seconds). Adjusting the window to match your actual sales cycle improves attribution accuracy.
- Cost per Acquisition (CPA)
- Total ad spend divided by total conversions. Target CPA is a Smart Bidding strategy that tells Google to automatically set bids to get the most conversions at or below your target CPA.
- Cost per Click (CPC)
- The amount paid each time a user clicks your ad. Actual CPC is almost always below your max bid due to the second-price auction model Google uses. Influenced by Quality Score, competition, and bid.
- Cost per Mille (CPM)
- Cost per 1,000 ad impressions. Used in display and video campaigns where brand awareness and reach matter more than direct clicks. Target CPM lets you set how much you'll pay per thousand viewable impressions.
- Customer Match
- A targeting feature that allows you to upload customer email lists. Google matches them to signed-in users across Search, Shopping, Gmail, YouTube, and Display — enabling highly targeted ads to existing customers or look-alike audiences.
- Daily Budget
- The average amount you're willing to spend per day on a campaign. Google uses daily budgets to pace ad delivery and may overspend on high-traffic days (up to 2×), but the monthly total won't exceed daily budget × 30.4.
- Display Ads
- Visual banner, image, or responsive ads served across Google's Display Network — over 2 million websites, apps, and YouTube. Effective for brand awareness, remarketing, and reaching audiences at all funnel stages.
- Dynamic Search Ads (DSA)
- Ads that automatically generate headlines and select landing pages by crawling your website content. DSAs capture relevant searches not covered by your keyword list and are best paired with strong negative keyword exclusions.
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- Enhanced CPC (ECPC)
- A hybrid bidding strategy that adjusts manual bids up or down based on the likelihood of a conversion. A middle ground between full manual control and fully automated Smart Bidding.
- Exact Match
- A keyword match type that shows ads only when the search query matches your keyword exactly or is a very close variant with the same meaning. Highest precision, lowest impression volume — ideal for bottom-funnel, high-intent terms.
- Expanded Text Ads (ETA)
- A legacy Google Ads format with three headlines and two description fields. Google stopped allowing new ETAs in June 2022. Responsive Search Ads (RSA) is now the standard search ad format.
- Final URL
- The actual landing page URL a user is taken to after clicking your ad. Must match the domain shown in the display URL and must be highly relevant to the ad copy and keyword to maintain Quality Score.
- First-Party Data
- Data collected directly from your own customers and prospects — email lists, CRM records, purchase histories, and on-site behaviour. First-party data powers Customer Match and protects targeting accuracy as third-party cookies phase out.
- Frequency Capping
- A setting in display and video campaigns that limits how many times a single user sees your ad in a given time period (per day, week, or month). Reduces ad fatigue and improves brand perception.
- Google Ads Editor
- A free desktop application for managing Google Ads accounts offline. Supports bulk editing, campaign copying, find-and-replace, and uploading changes in batches — essential for large account management.
- Google Display Network (GDN)
- Google's advertising network reaching 90%+ of internet users globally across 2 million+ websites, apps, and YouTube. Used for brand awareness, remarketing, interest-based targeting, and prospecting.
- Google Merchant Center
- A platform where retailers upload and manage product feeds (title, price, description, image, availability, GTIN) for Google Shopping Ads and Performance Max campaigns. Feed quality is the single biggest lever in Shopping performance.
- Google Shopping Ads
- Product listing ads showing product images, titles, prices, and store names directly in search results. Managed through Google Merchant Center. Essential for e-commerce businesses targeting bottom-funnel buyers.
- Google Tag Manager (GTM)
- A free tag management system that lets you deploy and update tracking tags (Google Ads, Analytics, remarketing pixels, Meta Pixel) on your website without editing site code. Recommended for all PPC conversion tracking implementation.
- Headline
- The clickable title text of a paid search ad. Responsive Search Ads allow up to 15 headlines (Google shows 2–3 per ad). Pinning headlines forces them into specific positions; unpinned headlines are tested and optimised by Google.
- Historical Quality Score
- The Quality Score assigned to a keyword based on its cumulative performance history — not just the current period. A keyword inherits Quality Score from its history, which is why relaunching paused keywords or importing from a high-performing account can give early advantages.
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- Impression
- One instance of your ad being displayed, whether on a search results page, display placement, or video pre-roll. Impressions are counted even if the user doesn't click.
- In-Market Audience
- Users Google identifies as actively researching or comparing products and services similar to yours — high-intent prospects. Can be used for bid adjustments in Search campaigns or as a primary targeting method in Display.
- Keyword
- A word or phrase that triggers your ad when a user searches for it. Keywords are the fundamental building blocks of search advertising. Match types control how broadly or precisely keywords trigger ad delivery.
- Keyword Match Type
- Controls how closely a search query must match your keyword to trigger an ad. The three active match types are Broad Match (widest), Phrase Match (medium control), and Exact Match (highest precision).
- Keyword Planner
- A free Google Ads research tool for discovering keyword ideas, estimating monthly search volumes, assessing competition, and forecasting bid ranges. Requires an active Google Ads account to access historical data.
- Landing Page
- The web page users reach after clicking your ad. Relevance between ad copy, keyword, and landing page content is the single biggest factor in Quality Score. A dedicated landing page with one clear CTA almost always outperforms a generic homepage.
- Landing Page Experience
- One of the three components of Quality Score. Google rates landing page relevance, transparency, ease of navigation, and mobile-friendliness. Poor landing page experience raises CPC and lowers Ad Rank, even with high bids.
- Lead Generation
- A campaign objective focused on capturing contact information from potential customers through forms, calls, or chat. Lead gen campaigns optimise for form fills and phone calls rather than direct purchases.
- Lifetime Value (LTV / CLV)
- The predicted total revenue a customer will generate over their entire relationship with your business. High-LTV customers justify higher CPA targets and larger bid multipliers, making LTV a critical input for accurate campaign budgeting.
- Long-Tail Keywords
- Longer, more specific search phrases with lower search volume but higher purchase intent and lower competition — often resulting in lower CPC and higher conversion rates. Examples: 'SEO agency for Dubai restaurants' vs 'SEO agency'.
- Manual CPC
- A bidding strategy where you set bids for individual keywords or ad groups. Google does not automatically adjust them. Provides maximum control but requires regular monitoring and manual adjustments to stay competitive.
- Maximise Clicks
- An automated bidding strategy that sets bids to get the most clicks within your budget. Does not optimise for conversions. Best for awareness campaigns or when building initial traffic data before switching to conversion-based bidding.
- Maximise Conversions
- A Smart Bidding strategy that automatically sets bids to get the most conversions within your daily budget. No CPA target is set — Google spends the full budget to maximise conversion volume.
- Maximise Conversion Value
- A Smart Bidding strategy that optimises for total conversion value (revenue) within your budget, without a specific ROAS target. Useful when you want to grow total revenue rather than hit a fixed return ratio.
- Microsoft Advertising (Bing Ads)
- Microsoft's PPC advertising platform serving ads on Bing, Yahoo, and DuckDuckGo. Typically delivers lower CPCs and less competition than Google Ads, with strong performance for B2B and older demographics. Can import campaigns directly from Google Ads.
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- Negative Keywords
- Keywords for which you do not want your ads to appear. Essential for eliminating irrelevant traffic, reducing wasted spend, and improving campaign efficiency. Applied at campaign or ad group level. Negative match types also apply (broad, phrase, exact).
- Network Settings
- Campaign-level settings controlling where ads appear: Google Search Network, Google Search Partners, Microsoft Search Partners, or Google Display Network. Separating search and display into distinct campaigns is best practice — they serve different intent levels and require different bidding.
- Optimisation Score
- A 0–100% estimate in Google Ads showing how well your account is set to perform based on pending recommendations. Useful as a starting point but should not be followed blindly — some recommendations reduce account control or inflate spend.
- Performance Max (PMax)
- Google's fully automated campaign type that serves ads across all channels — Search, Display, YouTube, Discover, Maps, and Gmail — from a single campaign using asset groups and audience signals. Optimises toward conversion goals using AI.
- Phrase Match
- A keyword match type that triggers ads when a search includes the meaning of your keyword phrase. More targeted than broad match but broader than exact match. Ideal for balancing reach and relevance.
- Placement
- A specific website, app, YouTube channel, or video where your display or video ad appears. Placements can be managed (manually selected), automatic (Google chooses), or excluded if they deliver poor quality traffic.
- PPC (Pay-Per-Click)
- An online advertising model where advertisers pay only when a user clicks on their ad. Google Ads, Microsoft Ads (Bing), Meta Ads, and LinkedIn Ads all use variations of the PPC model.
- Profit on Ad Spend (POAS)
- Revenue minus cost of goods sold, divided by ad spend. A more accurate measure of true profitability than ROAS, especially for multi-margin product catalogues. Increasingly used alongside ROAS to ensure campaigns drive real profit, not just top-line revenue.
- Quality Score
- Google's 1–10 rating of keyword relevance across three components: expected CTR, ad relevance, and landing page experience. Higher Quality Scores lower your actual CPC and improve Ad Rank — making it one of the highest-leverage optimisation metrics in PPC.
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- Remarketing
- Showing targeted ads to users who have previously visited your website, viewed a product, or interacted with your brand. Remarketing audiences are significantly warmer than cold audiences and typically deliver lower CPAs.
- Responsive Search Ads (RSA)
- The current standard Google Ads search format. You provide up to 15 headlines and 4 descriptions; Google automatically tests combinations and optimises for the highest-performing arrangements per user and context.
- Return on Ad Spend (ROAS)
- Revenue generated divided by ad spend, expressed as a ratio. Example: 4:1 ROAS means AED 4 in revenue for every AED 1 spent. Target ROAS is a Smart Bidding strategy that tells Google to optimise bids to hit your target return.
- Return on Investment (ROI)
- A broader profitability metric: (Revenue − Total Costs) ÷ Total Costs × 100. Unlike ROAS, ROI accounts for all costs (product, fulfilment, overhead), not just ad spend. The definitive measure of marketing profitability.
- Search Partners
- Sites in Google's search partner network — non-Google search engines, navigation sites, and Google properties like Maps — that display your search ads. Performance varies significantly by industry. Monitor separately and exclude partners at campaign level if CPAs run above target.
- Search Term Report
- A Google Ads report showing the exact queries that triggered your ads. The most important report in search advertising — use it weekly to identify new keyword opportunities and negative keywords to add.
- Shopping Feed (Product Feed)
- A structured data file listing product attributes — title, price, description, GTIN, category, image URL, and stock status — uploaded to Google Merchant Center. Feed quality is the single most impactful lever in Google Shopping performance.
- Sitelink Extension
- An ad extension adding extra links below your main ad (e.g., Services, Pricing, Contact, Blog). Sitelinks increase ad real estate, improve CTR, and allow users to navigate directly to high-intent pages.
- Smart Bidding
- A subset of automated bidding strategies that use machine learning and real-time auction signals to optimise for conversion goals. Smart Bidding strategies include Target CPA, Target ROAS, Maximise Conversions, and Maximise Conversion Value.
- Smart Campaign
- A simplified campaign type designed for small businesses. Google automates targeting, bidding, and ad creation with minimal setup. Provides less control than standard campaigns — best for businesses without dedicated PPC management.
- Target CPA (tCPA)
- A Smart Bidding strategy where Google automatically sets bids to get the most conversions at your desired cost per acquisition. Requires sufficient conversion data (30+ conversions per month) to work effectively.
- Target ROAS (tROAS)
- A Smart Bidding strategy that sets bids to maximise total conversion value while hitting your target return on ad spend. Best suited for e-commerce with varied product margins and 50+ conversions per month.
- Tracking Template
- A URL template applied at account, campaign, ad group, or keyword level to append UTM tracking parameters automatically. Allows centralised tracking management without editing individual final URLs.
- URL Parameters
- Tags appended to your destination URLs (UTM parameters) to track traffic sources, campaign names, ad groups, and keywords in Google Analytics and other analytics platforms. Essential for cross-channel attribution.
- User Intent
- The underlying goal behind a search query. PPC campaigns target commercial intent (researching options) and transactional intent (ready to buy) for maximum ROI. Understanding intent shapes keyword selection, ad copy, and landing page design.
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- Value-Based Bidding
- The practice of optimising bids based on the predicted value of each conversion rather than treating all conversions equally. Implemented via Target ROAS, Conversion Value Rules, or profit-adjusted ROAS targets. Best for businesses with varying product margins.
- Video Ads
- Ad formats displayed on YouTube and Google's video partner sites. Types include skippable in-stream ads (paid after 30 seconds or completion), non-skippable in-stream ads (6–15 seconds), bumper ads (6 seconds), and video discovery ads.
- View-Through Conversion
- A conversion recorded when a user sees (but does not click) a display or video ad, then converts through another channel within a defined window. Helps measure the indirect impact of brand awareness campaigns.
- Wasted Spend
- Budget spent on irrelevant clicks that do not convert. The primary cause is insufficient negative keyword coverage. Reducing wasted spend by 20% effectively increases your available budget for profitable traffic by the same amount.
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