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Harness ads

Harness has 131 distinct ad creatives in our B2B ad libraries, 87 on LinkedIn, 32 on Meta and 12 on Google (10 search, 2 display). Its longest running ad has been shown on Google for 10 months. 7 of its ads scored 6 or higher out of 10 for B2B fit and craft.

Dev tools & infrastructure · harness.io

131distinct creatives
3channels
10 monthslongest run
7top-rated ads

Where Harness advertises

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.

ChannelCreativesMost used formatPublic signal
LinkedIn87Message (64%)Its most rerun creative runs as 14 ads
Meta32Flexible (several images) (53%)Longest shown for 7 months
Google12Search text ad (83%)Longest shown for 10 months

Harness's best ads across every channel

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. 7 of Harness's ads made the top-rated tier.

Harness LinkedIn ad: Harness Named a Leader in DevSecOps Platforms 3 Years in a Row
LinkedInSingle Image AdRunning as 4 adsOur score 6.4/10

Ad headline

Harness Named a Leader in DevSecOps Platforms 3 Years in a Row

Pattern: Hand-made illustration twist

Harness Meta ad:
MetaFlexible (several images)Ran for 2 monthsOur score 6.2/10

Pattern: Physical metaphor, photographed

Harness Meta ad:
MetaFlexible (several images)Ran for 52 daysOur score 6.2/10

Pattern: Physical metaphor, photographed

Harness LinkedIn ad:
LinkedInDocument AdRunning as 6 adsOur score 6.1/10

Pattern: Hand-made illustration twist

Harness LinkedIn ad: Your pipeline. Now with AI agents
LinkedInSingle Image AdRunning as 3 adsOur score 6.1/10

Ad headline

Your pipeline. Now with AI agents

Harness LinkedIn ad: Harness Named a Leader in DevSecOps Platforms 3 Years in a Row
LinkedInSingle Image AdRunning as 2 adsOur score 6.1/10

Ad headline

Harness Named a Leader in DevSecOps Platforms 3 Years in a Row

Pattern: Hand-made illustration twist

Harness Meta ad: 26% of AI Spend Is Wasted. Is Yours?
MetaSingle imageRan for 36 daysOur score 6.1/10

Ad headline

26% of AI Spend Is Wasted. Is Yours?

Harness LinkedIn ads

87 distinct creatives, run as 169 separate ads, 56 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 Harness reruns it. These are the creatives it reruns most.

Ad formats
TypeHarnessDev tools & infrastructure advertisers
Message64% (56)13%
Single Image24% (21)70%
Document9% (8)3%
Article2% (2)1%
Offers
TypeHarnessDev tools & infrastructure advertisers
No offer (brand)46% (40)75%
Webinar or event36% (31)10%
Report or guide13% (11)9%
Calculator or tool5% (4)1%
Demo1% (1)2%
Harness LinkedIn ad: 72% Got Blindsided by an AI Bill
Running as 14 adsOur score 5.6/10
Single Image

Ad headline

72% Got Blindsided by an AI Bill

Ad copy

72% of organizations got hit with an unexpected AI bill this year. Only 1 in 5 could explain why within hours.

Harness LinkedIn ad: 87% had a security event this year
Running as 11 adsOur score 5.8/10
Single Image

Ad headline

87% had a security event this year

Ad copy

Confidence and control are not the same thing, especially when it comes to AI agents.

Harness LinkedIn ad: 94% of engineering leaders say their AI ROI metrics are missing. Get the playbook for ship rate, cost-per-PR & more.
Running as 8 adsOur score 5.7/10
Document

Ad copy

94% of engineering leaders say their AI ROI metrics are missing. Get the playbook for ship rate, cost-per-PR & more.

Harness LinkedIn ad: AI has collapsed the time-to-exploit window to under 24 hours. Is your team ready to respond at machine speed?
Running as 8 adsOur score 4.9/10
Document

Ad copy

AI has collapsed the time-to-exploit window to under 24 hours. Is your team ready to respond at machine speed?

Harness LinkedIn ad: Only 36% of teams say AI has actually improved software quality.
Running as 6 adsOur score 6.1/10
Document

Ad copy

Only 36% of teams say AI has actually improved software quality.

Harness LinkedIn ad: Deployment and release are not the same thing. The best engineering teams treat them separately. Learn how today.
Running as 6 adsOur score 4.7/10
Document

Ad copy

Deployment and release are not the same thing. The best engineering teams treat them separately. Learn how today.

Harness LinkedIn ad: Harness Named a Leader in DevSecOps Platforms 3 Years in a Row
Running as 4 adsOur score 6.3/10
Single Image

Ad headline

Harness Named a Leader in DevSecOps Platforms 3 Years in a Row

Harness LinkedIn ad: Close the execution gap in your advisory practice
Running as 4 adsOur score 5.8/10
Single Image

Ad headline

Close the execution gap in your advisory practice

Ad copy

You've done the training. You've had the conversations. So why does advisory disappear every tax season?

See the best B2B LinkedIn ads from every advertiser in the LinkedIn ad library.

Harness Meta ads

32 distinct creatives, 7 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.

Ad formats
TypeHarnessDev tools & infrastructure advertisers
Flexible (several images)53% (17)54%
Single image47% (15)30%
Offers
TypeHarnessDev tools & infrastructure advertisers
No offer (brand)75% (24)83%
Webinar or event16% (5)3%
Report or guide9% (3)7%
Harness Meta ad: Flexible (several images)
Ran for 7 monthsOur score 4.5/10
Flexible (several images)
Harness Meta ad: Flexible (several images)
Ran for 5 monthsOur score 4.7/10
Flexible (several images)
Harness Meta ad: Flexible (several images)
Ran for 4 monthsOur score 5.1/10
Flexible (several images)
Harness Meta ad: Flexible (several images)
Ran for 4 monthsOur score 5.2/10
Flexible (several images)
Harness Meta ad: Flexible (several images)
Ran for 3 monthsOur score 4.9/10
Flexible (several images)
Harness Meta ad: Flexible (several images)
Ran for 3 monthsOur score 4.8/10
Flexible (several images)
Harness Meta ad: DevOps at the Speed of AI
Ran for 3 monthsOur score 4.5/10
Single image

Ad headline

DevOps at the Speed of AI

Ad copy

DevOps Modernization Summit: DevOps at the Speed of AI.

Harness Meta ad: Find Your Exposure Faster
Ran for 3 monthsOur score 5.1/10
Single image

Ad headline

Find Your Exposure Faster

Ad copy

When a zero-day drops, manual searching costs hours you don't have. Get the playbook that compresses your response from days to minutes.

See the best B2B Meta ads from every advertiser in the Meta ad library.

Harness Google ads

10 search ads and 2 display ads that ran for a month or more, 6 of them for three months or more. Below are the ones Google has shown longest, search and display apart.

Ad formats
TypeHarnessDev tools & infrastructure advertisers
Search text ad83% (10)88%
Display image ad17% (2)12%

Harness search ads

Harness Google ad: Search text ad
Ran for 10 monthsOur score 3.9/10
Search text ad
Harness Google ad: Search text ad
Ran for 7 monthsOur score 3.8/10
Search text ad
Harness Google ad: Search text ad
Ran for 7 monthsOur score 3.5/10
Search text ad
Harness Google ad: Search text ad
Ran for 7 monthsOur score 3.5/10
Search text ad
Harness Google ad: Search text ad
Ran for 7 monthsOur score 3.7/10
Search text ad
Harness Google ad: Search text ad
Ran for 7 monthsOur score 3.7/10
Search text ad
Harness Google ad: Search text ad
Ran for 3 monthsOur score 3.9/10
Search text ad
Harness Google ad: Search text ad
Ran for 3 monthsOur score 3.8/10
Search text ad

Harness display ads

Harness Google ad: Display image ad
Ran for 3 monthsOur score 4.8/10
Display image ad
Harness Google ad: Display image ad
Ran for 32 daysOur score 4.9/10
Display image ad

See the best B2B Google ads from every advertiser in the Google ad library.

Harness ads, answered

Where does Harness advertise?

In the public ad libraries we track, Harness runs ads on LinkedIn, Meta and Google, 131 distinct creatives in all, 87 on LinkedIn, 32 on Meta and 12 on Google (10 search, 2 display). Most of its creatives are on LinkedIn.

How many LinkedIn ads is Harness running?

87 distinct creatives, run as 169 separate ads in LinkedIn’s Ad Library. Its most rerun creative runs as 14 ads.

How many Meta ads is Harness running?

32 distinct creatives in Meta’s Ad Library. Longest shown for 7 months.

How many Google ads is Harness running?

12 on Google (10 search, 2 display), that ran for a month or more in Google’s Ads Transparency Center. Longest shown for 10 months.

How can I see Harness's ads myself?

Search Harness by name in each platform’s own public library, LinkedIn’s Ad Library, Meta’s Ad Library and Google’s Ads Transparency Center. Every ad on this page links to its entry there.

Every ad belongs to Harness. Understory is not affiliated with Harness. 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.

More Dev tools & infrastructure advertisers

Or browse every B2B ad library.

Let's make ads like these for you

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.