Most Popular Web Technologies

SiteScore tracks thousands of web technology vendors across hundreds of thousands of the top sites on the web. We use these findings to publish customer lists for thousands of web technology vendors based on references to javascript, cookies or other references for those vendors on customer websites.

View the Top 100 Most Popular Vendors on SiteScore below, ranked by customer count.

Click into any vendor to access their customer list, view customer counts trended over time, see website traffic statistics and many other competitive metrics.

Top Vendors
Google Analytics

Google Analytics

Google Analytics lets you measure your advertising ROI as well as track your Flash, video, and social networking sites and applications.

Customer List Available (360991 Customers)  

Google Tag Manager

Google Tag Manager

Google Tag Manager helps make website tag management simple with tools & solutions that allow small businesses to deploy and edit tags all in one place.

Customer List Available (338007 Customers)  

Google Ads

Google Ads

Discover how Google can help grow your business. Drive sales, generate leads & increase brand awareness with online ads.

Customer List Available (218147 Customers)  

Google

Google

Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.

Customer List Available (206340 Customers)  

Wordpress

Wordpress

Open source software which you can use to easily create a beautiful website, blog, or app.

Customer List Available (182813 Customers)  

Cloudflare
Rank #7 of 100

Cloudflare

Here at Cloudflare, we make the Internet work the way it should. Offering CDN, DNS, DDoS protection and security, find out how we can help your site.

Customer List Available (92109 Customers)  

Google Adsense

Google Adsense

Earn money with website monetization from Google AdSense. We'll optimize your ad sizes to give them more chance to be seen and clicked.

Customer List Available (69523 Customers)  

YouTube
Rank #9 of 100

YouTube

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

Customer List Available (69434 Customers)  

LinkedIn Ads
Rank #10 of 100

LinkedIn Ads

Discover LinkedIn Business Solutions with products to hire, market and sell powered by LinkedIn's powerful network.

Customer List Available (58303 Customers)  

IndexExchange

IndexExchange

We’re a global advertising marketplace where premium digital media companies can sell their ad impressions transparently, in real time, to programmatic buyers. We’re independent, with no other business interests, which is why the top companies in the advertising, marketing and tech industries...

Customer List Available (52369 Customers)  

Twitter

Twitter

From breaking news and entertainment to sports and politics, get the full story with all the live commentary.

Customer List Available (51665 Customers)  

OpenX
Rank #13 of 100

OpenX

OpenX has the largest independent ad exchange network for publishers and demand partners, while maintaining the highest quality marketplace standards. Learn more.

Customer List Available (48895 Customers)  

PubMatic
Rank #14 of 100

PubMatic

PubMatic is a digital advertising technology company who empowers premium app developers and publishers to maximize their programmatic advertising business.

Customer List Available (48388 Customers)  

Bing Ads
Rank #15 of 100

Bing Ads

Optimize your paid search advertising campaigns. Connect with your potential customers using audience, product and search solutions from Microsoft Advertising.

Customer List Available (47887 Customers)  

Hotjar
Rank #16 of 100

Hotjar

See how visitors are really using your website, collect user feedback and turn more visitors into customers.

Customer List Available (47706 Customers)  

jQuery
Rank #17 of 100

jQuery

jQuery: The Write Less, Do More, JavaScript Library

Customer List Available (46912 Customers)  

TowerData
Rank #19 of 100

TowerData

Enhance, clean and optimize your email list with TowerData's data enrichment, email validation and identity matching services.

Customer List Available (44469 Customers)  

Yandex

Yandex

Yandex is a technology company that builds intelligent products and services powered by machine learning. Our goal is to help consumers and businesses better navigate the online and offline world. Since 1997, we have delivered world-class, locally relevant search and information services. Additionally, we have developed market-leading on-demand transportation services, navigation products, and other mobile applications for millions of consumers across the globe. Yandex, which has 17 offices worldwide, has been listed on the NASDAQ since 2011.

Customer List Available (38729 Customers)  

The Trade Desk
Rank #21 of 100

The Trade Desk

Our mission is to transform media for the benefit of humankind. How? By helping brands deliver a more insightful & relevant ad experience.

Customer List Available (37700 Customers)  

Rubicon Project

Rubicon Project

Our programmatic advertising exchange helps digital publishers and advertisers execute billions of advertising transactions each month, easily and safely.

Customer List Available (37253 Customers)  

Quantcast
Rank #23 of 100

Quantcast

We are taking an entirely new approach to advertising on the open internet.

Customer List Available (36727 Customers)  

AddThis
Rank #24 of 100

AddThis

AddThis share buttons, targeting tools and content recommendations help you get more likes, shares and followers and keep them coming back.

Customer List Available (32926 Customers)  

Microsoft Clarity

Microsoft Clarity

Clarity is a free user behavior analytics tool that helps you understand how users are interacting with your website through session replays and heatmaps.

Customer List Available (31432 Customers)  

Adobe Audience Manager

Adobe Audience Manager

See how your audience targeting improves with Audience Manager from Adobe.

Customer List Available (31212 Customers)  

Neustar

Neustar

Neustar Enables Trusted Connections Between Companies and People at the Moments That Matter the Most.

Customer List Available (29694 Customers)  

New Relic
Rank #28 of 100

New Relic

Work smarter and solve problems faster with a unified view of your software and systems.

Customer List Available (29639 Customers)  

Tapad
Rank #29 of 100

Tapad

Connecting brands to consumers across devices

Customer List Available (27930 Customers)  

WooCommerce
Rank #31 of 100

WooCommerce

Sell online with the fully customizable, open source eCommerce platform built for WordPress.

Customer List Available (25917 Customers)  

Shopify
Rank #32 of 100

Shopify

Try Shopify free and start a business or grow an existing one. Get more than ecommerce software with tools to manage every part of your business.

Customer List Available (25744 Customers)  

Pinterest Business
Rank #33 of 100

Pinterest Business

Grow your business on the top platform for discovery and decisions. Learn how Pinterest works, get a free business account and run ads to reach your goals.

Customer List Available (25467 Customers)  

Bidswitch
Rank #34 of 100

Bidswitch

BidSwitch is a middleware that allows connected programmatic partners to seamlessly access new platforms and services to optimizing their performance.

Customer List Available (25342 Customers)  

HubSpot
Rank #35 of 100

HubSpot

HubSpot offers a full platform of marketing, sales, customer service, and CRM software — plus the methodology, resources, and support — to help businesses grow better. Get started with free tools, and upgrade as you grow.

Customer List Available (25224 Customers)  

Salesforce Audience Studio

Salesforce Audience Studio

Use Salesforce's data management platform (DMP) to unify your data and strengthen customer relationships across every touchpoint.

Customer List Available (23995 Customers)  

Lotame
Rank #37 of 100

Lotame

Leading Data Management Platform & Data Exchange

Customer List Available (22230 Customers)  

TripleLift
Rank #38 of 100

TripleLift

Technology at the intersection of creative and media, driving the next generation of programmatic advertising from desktop to television.

Customer List Available (21558 Customers)  

Font Awesome
Rank #39 of 100

Font Awesome

The world’s most popular and easiest to use icon set just got an upgrade. More icons. More styles. More Options.

Customer List Available (20611 Customers)  

GroupM

GroupM

GroupM is the world’s leading media investment company. We make advertising work better for people.

Customer List Available (20513 Customers)  

LiveRamp
Rank #41 of 100

LiveRamp

LiveRamp provides the identity platform leveraged by enterprise marketers and their partners to deliver innovative products and exceptional experiences. The LiveRamp platform connects people, data, and devices across the digital and physical world, powering the people-based marketing revolution and allowing consumers to safely connect with the brands and products they love.

Customer List Available (20266 Customers)  

Moat
Rank #42 of 100

Moat

Delivering campaign solutions that measure viewability, attention, & brand safety across devices including display, video, mobile, and TV.

Customer List Available (18947 Customers)  

Vimeo
Rank #43 of 100

Vimeo

Unlock the power of video and join over 200M professionals, teams, and organizations who use Vimeo to create, collaborate and communicate.

Customer List Available (18341 Customers)  

Adobe Advertising Cloud

Adobe Advertising Cloud

Explore how you can maximize your ad budget with Adobe Advertising Cloud.

Customer List Available (18279 Customers)  

Teads
Rank #45 of 100

Teads

Reach nearly 2B people monthly across the best publishers. Full-funnel solutions across multi-format offerings including video, display, performance & social.

Customer List Available (18193 Customers)  

MailChimp
Rank #46 of 100

MailChimp

Mailchimp is the All-In-One integrated marketing platform for small businesses, to grow your business on your terms. It's easy to use - start for free today!

Customer List Available (18040 Customers)  

Polyfill.io
Rank #47 of 100
Centro
Rank #48 of 100

Centro

Basis is the most comprehensive media automation and intelligence platform in the industry—and the only platform to support the planning, reporting, and financial reconciliation of direct, programmatic, search, and social media, all in one place.

Customer List Available (17823 Customers)  

Simpli.fi

Simpli.fi

Simpli.fi is the leader in localized programmatic solutions. Trade desks, networks, local media groups, and multi-location brands leverage Simpli.fi’s superior performance, customizable audiences, and efficient delivery models to drive higher ROI in their digital businesses.

Customer List Available (16941 Customers)  

Gravity Forms
Rank #50 of 100

Gravity Forms

Create custom forms on WordPress with Gravity Forms, the easiest-to-use, secure, and reliable WordPress form builder plugin for your website.

Customer List Available (16821 Customers)  

MediaMath
Rank #51 of 100

MediaMath

We deliver the most responsive, accountable and performant digital advertising technology for brands to buy addressable media.

Customer List Available (16588 Customers)  

Outbrain
Rank #52 of 100

Outbrain

Outbrain is the technology company powering the discovery feeds on your favorite media.

Customer List Available (15968 Customers)  

Criteo
Rank #53 of 100

Criteo

Activate the world’s largest set of commerce data to bring richer experiences to consumers with our Commerce Media Platform.

Customer List Available (15407 Customers)  

ScorecardResearch
Rank #54 of 100

ScorecardResearch

Online market research community enabling members to earn cash and prizes for participating in surveys.

Customer List Available (15038 Customers)  

TikTok
Rank #55 of 100

TikTok

TikTok - trends start here. On a device or on the web, viewers can watch and discover millions of personalized short videos. Download the app to get started.

Customer List Available (14724 Customers)  

Sovrn
Rank #56 of 100

Sovrn

Sovrn powers great publishers. We build tools and advertising products to help you grow and operate your business, earn more money, and manage your audience.

Customer List Available (14607 Customers)  

Amobee
Rank #57 of 100

Amobee

Amobee is the world’s leading independent advertising platform that unifies a TV, programmatic, digital and social

Customer List Available (14558 Customers)  

Klaviyo
Rank #58 of 100

Klaviyo

Klaviyo is a growth marketing platform created for online businesses — featuring powerful marketing automation and a revenue-driving email platform. Klaviyo helps brands understand their customers and build unlimited, real, quality relationships.

Customer List Available (14545 Customers)  

Zendesk

Zendesk

Have conversations on a connected messaging platform across web, mobile or social apps. Easy to automate and fast to scale. Try Zendesk messaging for free

Customer List Available (14454 Customers)  

SpotX
Rank #60 of 100

SpotX

SpotX is the trusted video advertising platform, enabling the world's largest media owners to monetize content & helping advertisers access premium inventory.

Customer List Available (13908 Customers)  

ShareThis
Rank #61 of 100

ShareThis

Website Tools to grow your online audience. Data Solutions that create engaging customer connections. Privacy Tools for consent management and GDPR compliance.

Customer List Available (13779 Customers)  

Smart AdServer

Smart AdServer

Smart is the most powerful ad server and natively integrated SSP on the market. We provide solutions for Publishers and Demand Partners - Adserving

Customer List Available (13598 Customers)  

AdForm
Rank #63 of 100

AdForm

Adform FLOW is enterprise technology built for modern marketing. Independent and integrated, it gives you the control you never had – configurable, transparent and secure - enabling seamless management of the whole campaign life cycle across all digital media channels. Through exceptional user experience and enhanced human/machine collaboration, Adform FLOW provides augmented intelligence to amplify your business results.

Customer List Available (13431 Customers)  

Google Optimize

Google Optimize

Google Optimize offers A/B testing, website testing & personalization tools for small businesses to help deliver engaging customer experiences.

Customer List Available (12840 Customers)  

Nielsen

Nielsen

Nielsen shapes the world’s media and content for all people by connecting across devices to understand the audience and their perspectives.

Customer List Available (12680 Customers)  

OneSignal

OneSignal

The world's leader for mobile push notifications, web push, SMS, email & in-app messaging. Trusted by 1 million+ developers to send billions of message per day.

Customer List Available (12449 Customers)  

StackAdapt
Rank #68 of 100

StackAdapt

StackAdapt is the self-serve programmatic advertising platform used by the most exceptional digital marketers.

Customer List Available (12227 Customers)  

Improve Digital
Rank #69 of 100

Improve Digital

Our proprietary advertising platform provides first-class solutions that automate the purchase & sale of digital advertising for all industry players.

Customer List Available (12206 Customers)  

Media.net

Media.net

Media.net is a leading online ad-tech company that develops innovative products for advertisers and publishers. With over 800+ employees, Media.net is one of top 5 ad-tech companies by market-cap globally.

Customer List Available (11574 Customers)  

LiveIntent
Rank #71 of 100

LiveIntent

Transform email into the simplest, most powerful way to resolve identity while driving sales and increasing revenue.

Customer List Available (11551 Customers)  

AddToAny

AddToAny

Get social buttons for your website visitors to share content on any social sharing service. AddToAny is the universal sharing platform for websites and apps.

Customer List Available (11268 Customers)  

ID5
Rank #73 of 100

ID5

ID5 is the shared identity infrastructure designed to improve user recognition in a privacy-compliant way.

Customer List Available (10783 Customers)  

Tawk.to

Tawk.to

tawk.to is 100% free live chat software to monitor and chat with visitors on your website or from a free customizable page.

Customer List Available (10736 Customers)  

Zeta Global

Zeta Global

We're Zeta Global, a data-driven marketing technology company that helps brands acquire more customers, retain them for longer and grow their value.

Customer List Available (10418 Customers)  

Epsilon
Rank #76 of 100

Epsilon

We create enriched customer experiences that drive performance at the individual and business level, enabling marketing built on proof, not promises.

Customer List Available (10356 Customers)  

Stripe

Stripe

Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes, including fraud prevention, and subscription management. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.

Customer List Available (10320 Customers)  

FreeWheel (acquired by Comcast)

FreeWheel (acquired by Comcast)

FreeWheel - Unifying linear and digital TV. Automated planning, buying, and selling. Learn more about FreeWheel’s leading premium inventory that makes advertising success easier.

Customer List Available (9895 Customers)  

33Across

33Across

33Across builds technology for publishers to increase the value of their inventory and safely monetize it for the open internet.

Customer List Available (9824 Customers)  

Crazy Egg
Rank #80 of 100

Crazy Egg

Use Crazy Egg to see what's hot and what's not, and to know what your web visitors are doing with tools, such as heatmaps, recordings, A/B testing & more.

Customer List Available (9619 Customers)  

Innovid
Rank #81 of 100

Innovid

Innovid is an independent CTV advertising and measurement platform for the world's largest brands.

Customer List Available (9520 Customers)  

Roku

Roku

Roku provides the simplest way to stream entertainment to your TV. On your terms. Access more than 500,000+ movies and TV episodes across free and paid channels.

Customer List Available (9461 Customers)  

CookieLaw
Rank #83 of 100

CookieLaw

The top destination for regulatory information and the latest privacy news related to cookies and tracking technologies.

Customer List Available (9442 Customers)  

AdRoll
Rank #84 of 100

AdRoll

With AdRoll's AI-driven marketing software, you can get sophisticated audience targeting, cross-channel engagement, advanced measurement and attribution, all in one place. Build a brand customers love, turn more visitors into customers, and grow customer loyalty with AdRoll’s growth platform.

Customer List Available (9296 Customers)  

Zemanta
Rank #85 of 100

Zemanta

Zemanta is the world’s first multi-channel demand-side platform built for post-click engagement. Traditional programmatic advertising platforms are built to serve impressions but Zemanta has pioneered the technology that empowers trading desks to show actual return on ad spend. Clients include WPP, Omnicom, Publicis Groupe, IPG, Dentsu, and Havas. The company was founded in Slovenia in 2007 and is part of Outbrain, the leading recommendation platform for the open web.

Customer List Available (9189 Customers)  

ownerIQ
Rank #86 of 100

ownerIQ

ownerIQ is focused on leading the data market’s evolution towards transparency, relevancy and choice. We are bringing the most valuable consumer data to market– explicit shopping and purchasing data from retailers and brands– to power a new data economy: The Second-Party Data marketplace.

Customer List Available (8913 Customers)  

VK
Rank #87 of 100

VK

VK is the largest European social network with more than 100 million active users. Our goal is to keep old friends, ex-classmates, neighbors and colleagues in touch.

Customer List Available (8824 Customers)  

Sharethrough

Sharethrough

Sharethrough is an omnichannel supply side platform underpinned by advanced RTB tech & enhanced ad experiences. We bring human-centric technology to programmatic advertising.

Customer List Available (8611 Customers)  

Walmart
Rank #89 of 100

Walmart

Shop Walmart.com for Every Day Low Prices. Free Shipping on Orders $35+ or Pickup In-Store and get a Pickup Discount. Open a Walmart Credit Card to Save Even More!

Customer List Available (8432 Customers)  

Eyeota
Rank #90 of 100

Eyeota

Eyeota is a data transformation company serving the global enterprise. Leading brands, publishers and data companies leverage Eyeota to onboard, enrich, and activate their data assets across global markets, digital geographies, and channels.

Customer List Available (8114 Customers)  

PulsePoint
Rank #91 of 100

PulsePoint

PulsePoint is accelerating data and programmatic health technology to deliver contextually relevant and personalized health information, in the moment. Everything Healthcare Marketers need to plan, activate, analyze and optimize their health marketing in one platform.

Customer List Available (7965 Customers)  

Intent IQ
Rank #92 of 100

Intent IQ

The future of Identity and attribution is available today. Intent IQ Identity Hub is powered by an accurate and powerful real-time identity graph of technology. For SSPs & Header Biding.

Customer List Available (7928 Customers)  

Adelphic

Adelphic

Adelphic is a demand-side platform (DSP) helping brands & agencies reach their target customers with relevant programmatic advertising.

Customer List Available (7740 Customers)  

RhythmOne
Rank #94 of 100

RhythmOne

RhythmOne, a Tremor International company, drives real business outcomes in multiscreen advertising. Powered by one of the world’s most efficient and effective programmatic platforms, we provide innovative data-driven solutions for brands to connect with consumers.

Customer List Available (7729 Customers)  

Taboola
Rank #95 of 100

Taboola

Taboola is the world's leading discovery & native advertising platform that helps people explore what's interesting and new in the moment of next.

Customer List Available (7614 Customers)  

Valassis

Valassis

A marketing technology and omnichannel solutions company that predicts behavior. We spur activation with direct mail, display ads, and mobile.

Customer List Available (7445 Customers)  

Synacor

Synacor

Best cloud software, business email, collaboration, productivity, IDM, CIAM, TV Everywhere, OTT, portals, digital advertising. Cloud ID | Zimbra | Zimbra Cloud

Customer List Available (7425 Customers)  

Merkle

Merkle

We dream, we do, and we deliver customer experience transformation for the world's leading brands.

Customer List Available (7417 Customers)  

DeepIntent
Rank #99 of 100

DeepIntent

DeepIntent is a healthcare demand side platform designed to help healthcare marketers easily create advertising campaigns. Try it here.

Customer List Available (7362 Customers)  

Smaato
Rank #100 of 100

Smaato

Mobile-first platform and free ad server for publishers, app developers, agencies, DSPs and ad networks. Monetize your app or get targeted mobile traffic.

Customer List Available (7245 Customers)