Let’s be honest – sometimes we forget not everyone speaks digital marketing. We throw around terms like CTR, ROAS, and bounce rate like it’s everyday conversation, but if you’re not in the industry, it can all sound a bit like techy gibberish. That’s where this jargon buster comes in. We’ve pulled together a handy guide to explain all those buzzwords we marketers love to use – no fluff, no confusion, just plain English. Whether you’re new to digital or just want to finally figure out what “conversion rate optimisation” actually means, this is for you. Because when everyone’s on the same page, the real magic happens.

A/B Testing
A method of comparing two versions of an ad, email, webpage, or landing page to see which performs better. Also called split testing.

Above the Fold
The portion of a webpage visible without scrolling. Content here is considered the most valuable in grabbing attention.

Ad Extensions
Additional pieces of information that expand your ads, such as phone numbers, site links, or location info – used in Google Ads.

Ad Rank
A value used by Google to determine your ad position and whether it shows at all. It’s calculated based on bid, ad quality, and extensions.

Attribution
Identifying which touchpoint (ad, channel, click) led to a conversion. Helps determine where marketing efforts are working.

Bounce Rate
The percentage of visitors who land on a webpage and leave without interacting or navigating to another page.

Call to Action (CTA)
A prompt encouraging the user to take a specific action – e.g., “Buy Now”, “Get a Quote”, or “Sign Up”.

Click-Through Rate (CTR)
The percentage of people who clicked on your ad or link after seeing it. Formula: (Clicks ÷ Impressions) x 100.

Conversion
When a user completes a desired goal, such as making a purchase, submitting a form, or calling your business.

Conversion Rate
The percentage of users who complete a conversion. Formula: (Conversions ÷ Total Visitors) x 100.

Cost Per Click (CPC)
The amount you pay every time someone clicks on your ad.

Cost Per Mille (CPM)
Cost per 1,000 impressions. Often used in display or video advertising where the goal is visibility, not clicks.

Display Ads
Banner, image, or video ads that appear across websites, apps, and videos in the Google Display Network or other platforms.

Domain Authority (DA)
A score (0–100) developed by Moz that predicts how likely a website is to rank in search engine results.

Duplicate Content
Content that appears on the internet in more than one place. Can negatively impact SEO rankings.

Email Marketing
A strategy of sending emails to a targeted list to nurture leads, promote offers, or share news.

Engagement Rate
A measure of how users interact with your content (likes, shares, comments, etc.).

Exact Match
A keyword match type in Google Ads that only shows your ad when the exact term (or close variant) is searched.

Geo-Targeting
Delivering content or ads based on a user’s geographic location.

Google Analytics
A free tool that tracks and reports website traffic and user behaviour.

Google Search Console
A free Google tool that helps monitor, maintain, and troubleshoot a site’s presence in Google Search results.

Impressions
The number of times your ad or content is shown on screen.

Inbound Marketing
Marketing tactics designed to attract potential customers by creating valuable content that pulls them toward your brand (e.g. blogs, SEO).

Indexing
The process search engines use to store and organise content before showing it in search results.

Keyword
A word or phrase that users type into search engines. Marketers use these in SEO and PPC campaigns.

Keyword Stuffing
Overusing keywords on a webpage in an attempt to manipulate search rankings. Penalised by search engines.

Landing Page
A standalone web page created specifically for a marketing campaign, designed to encourage a specific action.

Lead
A person or business that shows interest in your product or service. Could be via form submission, phone call, or newsletter signup.

Lookalike Audience
A targeting method on platforms like Meta where ads are shown to users similar to your existing customers.

Meta Description
A short snippet (up to 160 characters) describing a webpage’s content in search engine results.

Meta Tags
HTML tags that provide metadata about your website, such as title tags and meta descriptions – important for SEO.

Negative Keywords
Words or phrases you exclude in a PPC campaign to prevent your ads from showing for irrelevant searches.

NoFollow Link
A hyperlink that doesn’t pass SEO value to the linked site. Often used for untrusted or sponsored links.

Organic Traffic
Website visits that come from unpaid search engine results.

Page Speed
The time it takes for a webpage to fully load. A key factor for SEO and user experience.

Pay-Per-Click (PPC)
An advertising model where you pay only when someone clicks on your ad – typically associated with Google Ads or Bing Ads.

Pixel
A piece of code installed on a website to track user behaviour and measure the effectiveness of ads (e.g., Meta Pixel, Google Tag).

Programmatic Advertising
Automated buying of online advertising space using AI and real-time bidding.

Quality Score
A Google Ads metric based on ad relevance, landing page experience, and expected CTR. Impacts cost and position of ads.

Reach
The number of unique people who see your content or ad.

Remarketing / Retargeting
Showing ads to people who have previously visited your website or engaged with your content.

Return on Ad Spend (ROAS)
Revenue earned for every pound spent on advertising. Formula: Revenue ÷ Ad Spend.

Search Engine Optimisation (SEO)
The process of improving your website to increase visibility in organic (non-paid) search results.

Search Engine Marketing (SEM)
A broader term that includes both SEO and paid search advertising.

SERP (Search Engine Results Page)
The page displayed by a search engine in response to a user’s query.

Sessions
A group of user interactions with your website within a given time frame.

Site Map
A list of all pages on a website. Helps search engines index your content more effectively.

Tag Manager (Google Tag Manager)
A tool that allows marketers to manage and deploy tracking codes (tags) without modifying code.

Time on Site
How long a visitor spends on your website during a session. Used to gauge engagement.

Traffic
The number of visitors to your website. Can be broken down into organic, paid, direct, referral, or social traffic.

Unique Visitors
The number of distinct individuals who visit your site over a specific time period.

UTM Parameters
Tags added to a URL to track the performance of campaigns in Google Analytics.

User Experience (UX)
How easy, enjoyable, and efficient a website is for users. A key factor in conversion and SEO performance.

White Hat SEO
Ethical SEO tactics that follow search engine guidelines to improve rankings.