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Understory ranks No. 140 on Inc. 5000 list of fastest-growing companies in U.S. Read more about Understory on the 2026 Inc. 5000 list
Similarweb has 102 distinct ad creatives in our B2B ad libraries, 65 on Meta, 23 on LinkedIn and 14 on Google (all search). Its longest running ad has been shown on Meta for 12 months. 3 of its ads scored 6 or higher out of 10 for B2B fit and craft.
Sales & marketing tech · similarweb.com
Each creative counted once, however many ads it runs as. Every platform publishes a different public sign an ad is working, so each row shows its own.
Every ad in our libraries is scored out of 10 by an AI model built to judge creative, up to 5 for how well it would land with a senior B2B buyer and up to 5 for craft. 3 of Similarweb's ads made the top-rated tier.
65 distinct creatives, 9 of them shown for three months or more. Advertisers stop paying for ads that don’t work, so these are the ones Meta has shown longest.
| Type | Similarweb | Sales & marketing tech advertisers |
|---|---|---|
| Video | 69% (45) | 30% |
| Flexible (several images) | 29% (19) | 40% |
| Carousel | 2% (1) | 3% |
| Type | Similarweb | Sales & marketing tech advertisers |
|---|---|---|
| No offer (brand) | 82% (53) | 80% |
| Free trial | 12% (8) | 5% |
| Report or guide | 5% (3) | 9% |
| Calculator or tool | 2% (1) | 1% |
Watch on Meta ↗Ad copy
Steal competitor strategies. 🤫 #marketingtips #digitalmarketingtips @similarwebinsights #similarwebpartner

Watch on Meta ↗Ad copy
SEO is changing. People are avoid search engine completely and they are using AI generative engines to get the answers they are looking for. Which is fine. But, how on earth are you going to track that?! Are you going to enter every possible prompt into AI?!? Noooo... Well, you dont have to... Ive been using @similarwebinsights AI Intellengence suite of tools. It's been brilliant way of figuring out how present my website is in AI engine but also my competitors as well! Plus, their suite of other competitor intelligence tools means I can tell the traffic my competitors are gettin
Watch on Meta ↗Ad copy
Uncover what your competitors are really doing online. Their ads, SEO, marketing strategy, traffic, and more. Ideal for digital marketing, business owners, and entrepreneurs. #similarweb #digitalmarketing #marketingstrategy #seotips #powerfulwebsites

Watch on Meta ↗Ad copy
This is the best tool to get your business on AI platforms like ChatGPT, Gemini, Claude, etc. 🚀 I used @Similarweb to see exactly how to understand my businesses AI traffic, web traffic, even how I stack up against competitors. Comment “similar” if you want access to this game changing tool. #similarweb #ai #aimarketing #businessgrowth #aeo
Watch on Meta ↗Ad copy
Most people have no idea you can legally spy on any company’s marketing strategy… and it’s easier than you think. I used @similarwebinsights Similarweb to uncover where my competitors get their traffic and found 3 unexpected sources. 🤯 #digitalmarketingtips #seotips #marketingtips #Similarweb
Watch on Meta ↗Ad copy
How to spy on your competitors (part 1) 🕵️♀️👀💡You can use SimilarWeb to gain valuable insights into your competitors’ website performance and online marketing strategies. 👉🏼 Analyse website traffic: You can see how much traffic your competitors’ websites are getting and where the traffic is coming from.👉🏼 Understand audience behaviour: You can gain insights into your competitors’ audience behaviour, such as the pages they visit, how long they stay on the website, and their bounce rate.👉🏼 Identify sources of traffic: You can see where your competitors’ traffic is coming from, such as organic s
See the best B2B Meta ads from every advertiser in the Meta ad library.
23 distinct creatives, run as 33 separate ads, 1 of them sent from a named person. LinkedIn shares no performance data for US ads, so the best public sign an ad is working is how often Similarweb reruns it. These are the creatives it reruns most.
| Type | Similarweb | Sales & marketing tech advertisers |
|---|---|---|
| Single Image | 61% (14) | 63% |
| Video | 22% (5) | 18% |
| Document | 9% (2) | 5% |
| Event | 4% (1) | 0% |
| Message | 4% (1) | 11% |
| Type | Similarweb | Sales & marketing tech advertisers |
|---|---|---|
| No offer (brand) | 78% (18) | 76% |
| Report or guide | 13% (3) | 8% |
| Webinar or event | 9% (2) | 6% |
Ad headline
Simialr To Nothing You Have Seen Before
Ad copy
What does it look like to build products powered by the scale of the internet?
Ad copy
Did you know the conversion rate for AI and search together is 23%? That’s 84% higher than AI alone.
Ad copy
Generated with market data from Similarweb and Statista, this report is what you need to understand AI shopper behavior.
Ad headline
Hledáme přes 200 technologicky nadaných kolegů do pražské pobočky
Ad copy
Pokud se zajímáte o inovaci dat, nastává vaše chvíle.
Ad copy
Walmart is quietly building the full AI shopping funnel.
Ad headline
Check out our most powerful competitive intelligence platform yet
Ad copy
Web Intelligence 4.0 gives you real-time visibility into every corner of your market.
Ad headline
Get your perfect competitive intelligence stack
Ad copy
Web Intelligence 4.0: made to flex, built to win. From ads to AI, our platform is now more customizable than ever.
See the best B2B LinkedIn ads from every advertiser in the LinkedIn ad library.
14 search ads and 0 display ads that ran for a month or more, 4 of them for three months or more. Below are the ones Google has shown longest, search and display apart.
| Type | Similarweb | Sales & marketing tech advertisers |
|---|---|---|
| Search text ad | 100% (14) | 95% |
See the best B2B Google ads from every advertiser in the Google ad library.
In the public ad libraries we track, Similarweb runs ads on Meta, LinkedIn and Google, 102 distinct creatives in all, 65 on Meta, 23 on LinkedIn and 14 on Google (all search). Most of its creatives are on Meta.
65 distinct creatives in Meta’s Ad Library. Longest shown for 12 months.
23 distinct creatives, run as 33 separate ads in LinkedIn’s Ad Library. Its most rerun creative runs as 5 ads.
14 on Google (all search), that ran for a month or more in Google’s Ads Transparency Center. Longest shown for 7 months.
Search Similarweb by name in each platform’s own public library, Meta’s Ad Library, LinkedIn’s Ad Library and Google’s Ads Transparency Center. Every ad on this page links to its entry there.
Every ad belongs to Similarweb. Understory is not affiliated with Similarweb. We collect public ads from each platform's own ad library to study what B2B advertisers run. Use them for ideas and make your own creative.
Or browse every B2B ad library.
We brief, design and run paid campaigns for B2B teams on LinkedIn, Google, Meta, Reddit and X, measured on pipeline in your CRM. Tell us what you sell and who you sell it to.