Companies Using Cloudflare Workers
Our database tracks 6,574 companies using Cloudflare Workers, from startups to enterprise brands that use Cloudflare Workers like Marriott International, United Airlines, and GitHub. Cloudflare's own site lists Discord, DoorDash, 23andMe, and Broadcom as Workers customers. Below you'll find a full list of companies using Cloudflare Workers with market share, industry breakdowns, and geographic data.
Over 1 million developers build on the Cloudflare Workers platform, per Cloudflare's 2023 Forrester Wave press release. The top companies using Cloudflare Workers span airlines, retail, and tech, with the majority of websites using Cloudflare Workers run by digital-native companies founded after 2010. Data updated monthly across 29.6M domains.
Published Mar 31, 2026 · Updated Mar 31, 2026 · Data analysed on March 31, 2026.
Cloudflare Workers Usage Statistics
Cloudflare Workers was announced at Cloudflare's Birthday Week in September 2017 and reached general availability in 2018. Our first detection came in September 2019 with just 2 active domains. Growth stayed flat at 37 domains through September 2021, then accelerated sharply after Cloudflare open-sourced the Workers runtime (workerd) in September 2022. By April 2025, detections peaked at 5,135 active domains, a 139x increase in under four years, based on our analysis of 50M+ crawled domains at TechnologyChecker.io.
List of Companies Using Cloudflare Workers
Download all 6,574 Cloudflare Workers customers with full company data, or create a signal to track when companies start or stop using Cloudflare Workers.
| Company | Detection URL | Domain | Country | Industry | Employees | Type | Founded | |
|---|---|---|---|---|---|---|---|---|
| marriott.com | marriott.com | United States | Hospitality | 10001+ | Public Company | 1927 | https://linkedin.com/company/marriott-international | |
| united.com | united.com | United States | Airlines and Aviation | 10001+ | Public Company | 1926 | https://linkedin.com/company/united-airlines | |
| lear.com | lear.com | United States | Motor Vehicle Manufacturing | 10001+ | Public Company | 1917 | https://linkedin.com/company/lear-corporation | |
| southwest.com | southwest.com | United States | Airlines and Aviation | 10001+ | Public Company | 1971 | https://linkedin.com/company/southwest-airlines | |
| homeinstead.com | homeinstead.com | United States | Individual and Family Services | 201-500 | Privately Held | — | https://linkedin.com/company/homeinsteadinc | |
| learn.byjus.com | byjus.com | India | E-Learning Providers | 10001+ | Privately Held | 2008 | https://linkedin.com/company/byjus | |
| voegol.com.br | voegol.com.br | Brazil | Airlines and Aviation | 10001+ | Privately Held | 2001 | https://linkedin.com/company/gol | |
| avianca.com | avianca.com | Colombia | Airlines and Aviation | 10001+ | Privately Held | 1919 | https://linkedin.com/company/avianca | |
| nespresso.com | nespresso.com | Switzerland | Food and Beverage Services | 5001-10000 | Public Company | 1986 | https://linkedin.com/company/nestl-nespresso | |
| mahindrafinance.com | mahindrafinance.com | India | Financial Services | 10001+ | Privately Held | 1991 | https://linkedin.com/company/mahindra-finance |
Show 15 more Cloudflare Workers using companies as demo data
| Company | Detection URL | Country | Industry | Employees | Type | Founded | ||
|---|---|---|---|---|---|---|---|---|
| pfchangs.com | pfchangs.com | United States | Restaurants | 10001+ | Privately Held | 1993 | https://linkedin.com/company/pfchangs | |
| godrejproperties.com | godrejproperties.com | India | Real Estate | 1001-5000 | Public Company | 1990 | https://linkedin.com/company/godrejproperties | |
| halfords.com | halfords.com | United Kingdom | Retail | 10001+ | Public Company | 1892 | https://linkedin.com/company/halfords | |
| github.com | github.com | United States | Software Development | 501-1000 | Privately Held | 2008 | https://linkedin.com/company/github | |
| community.pega.com | pega.com | United States | Software Development | 5001-10000 | Public Company | 1983 | https://linkedin.com/company/pegasystems | |
| omanair.com | omanair.com | Oman | Airlines and Aviation | 5001-10000 | Public Company | 1993 | https://linkedin.com/company/omanair | |
| chihealth.com | chihealth.com | United States | Hospitals and Health Care | 10001+ | Nonprofit | 2009 | https://linkedin.com/company/chi-health | |
| festival.uipath.com | uipath.com | United States | Software Development | 1001-5000 | Public Company | 2005 | https://linkedin.com/company/uipath | |
| temu.com | temu.com | United States | Technology, Information and Internet | 501-1000 | Public Company | — | https://linkedin.com/company/temuapp | |
| rainbowshops.com | rainbowshops.com | United States | Retail | 10001+ | Privately Held | 1935 | https://linkedin.com/company/rainbow-apparel-co | |
| srilankan.com | srilankan.com | Sri Lanka | Airlines and Aviation | 5001-10000 | Public Company | 1979 | https://linkedin.com/company/flysrilankan | |
| airindia.com | airindia.com | India | Airlines and Aviation | 1001-5000 | Public Company | 2013 | https://linkedin.com/company/tata-sia-airlines-limited | |
| davey.com | davey.com | United States | Environmental Services | 5001-10000 | Privately Held | 1880 | https://linkedin.com/company/the-davey-tree-expert-company | |
| akasaair.com | akasaair.com | India | Airlines and Aviation | 1001-5000 | Privately Held | — | https://linkedin.com/company/akasaair | |
| bestfares.airastana.com | airastana.com | Kazakhstan | Airlines and Aviation | 5001-10000 | Public Company | 2001 | https://linkedin.com/company/air-astana |
There are 6,574 companies and websites using Cloudflare Workers, sign up to download the entire Cloudflare Workers dataset.
Here are some of the most recognizable companies using Cloudflare Workers and brands using Cloudflare Workers in 2026:
- Discord - Listed on workers.cloudflare.com as a Workers customer; also provides an official Cloudflare Workers sample bot app on GitHub
- DoorDash - Listed on workers.cloudflare.com; built its marketing platform with Cloudflare and Next.js, per DoorDash Engineering blog (Feb 2022)
- Marriott International - Global hospitality company detected running Cloudflare Workers on marriott.com (in our crawl data)
- VSCO - Migrated 2+ PB of image data using Workers, saving $400K/year, per Cloudflare's published case study at cloudflare.com/case-studies/vsco
- THG - Rebuilt its ecommerce frontend on Workers, cutting deployments from 8 hours to 10 minutes and gaining 20% organic traffic, per cloudflare.com/case-studies/thg
- United Airlines - Major US airline detected running Cloudflare Workers on united.com
- 23andMe - Listed on workers.cloudflare.com as a Workers customer alongside Broadcom, Codepen, Glossier, and npm
- GitHub - Developer platform detected running Cloudflare Workers on github.com
Which Countries Use Cloudflare Workers the Most?
Which countries use Cloudflare Workers the most? The United States leads with 37.2% of all customers, followed by the United Kingdom at 9.6% and Canada at 3.8%. English-speaking markets account for over 53% of the user base. Spain (2.9%), Brazil (2.7%), and Vietnam (2.4%) round out a genuinely global footprint spanning 60+ countries, based on our enriched company data.
Cloudflare Workers Market Share Among PaaS
What is Cloudflare Workers' market share? Cloudflare Workers holds a 0.04% share of the PaaS market, ranking #24 in a category dominated by Tencent Cloud (5.42%). This ranking understates Workers' real footprint: Cloudflare reports 1 million+ developers on the platform, and Forrester named it a Leader in Edge Development Platforms in Q4 2023. Workers deployments often run behind Cloudflare's CDN, where they don't expose a detectable PaaS signature, based on our monthly crawl of 50M+ domains and 40K+ tracked technologies at TechnologyChecker.io.
Top Competitors by Market Share
Cloudflare Workers Customers by Company Size & Age
Is Cloudflare Workers only for small companies? The data says yes, overwhelmingly. With 71.2% of customers having 1-10 employees based on our analysis of 3,143 enriched companies, micro-businesses dominate the platform. Add the 11-50 bracket and you get 88%. But enterprise names like Marriott (10,001+ employees) and United Airlines prove Workers can handle serious scale too.
Company Size Distribution
Company Age (Founded Decade)
What Industries Use Cloudflare Workers the Most?
Retail leads at 6.6%, followed closely by Software Development (5.96%) and Technology/Internet (4.47%). No single industry exceeds 7%, making Cloudflare Workers a genuinely horizontal platform. The tech-adjacent cluster (Software Dev + IT Services + Technology) combines for 14.4%, which reflects Workers' developer-first DNA, based on our enriched company data at TechnologyChecker.io.
Software development companies using Cloudflare Workers represent the second-largest vertical at 5.96%, often pairing Workers with custom APIs and edge logic. Retail brands on Cloudflare Workers like Halfords and Rainbow USA use it for storefront routing and personalization. Airlines using Cloudflare Workers including United Airlines, Southwest Airlines, and Avianca form a distinctive cluster in our data, likely deploying Workers for fare search optimization and regional content delivery.
Cloudflare Workers Alternatives & Competitors
Cloudflare Workers sits in a niche position within the PaaS category, based on our market share data across 50M+ crawled domains. Tencent Cloud (5.42%) leads through its massive Chinese market presence. Firebase Firestore (1.27%) serves a different use case as a managed database. Forrester named Cloudflare a Leader in Edge Development Platforms in Q4 2023, scoring highest in strategy among 12 vendors evaluated (per cloudflare.com press release, Nov 2023). The true competitive set includes Vercel, Netlify, and AWS Lambda, competing for the same developer audience.
| Technology | Domains | Market Share |
|---|---|---|
 | 22,812 | 5.42% |
 | 5,344 | 1.27% |
 | 2,831 | 0.67% |
 | 2,536 | 0.6% |
 | 2,529 | 0.6% |
Cloudflare Workers Customer Migration
Based on 3,142 enriched companies, Cloudflare Workers' migration data reveals a telling pattern. The largest flow is a net loss to Google Cloud Functions: 1,165 companies left for GCF while only 240 came the other direction, a 4.9:1 loss ratio. Vercel also draws more away (206 lost vs. 117 gained). The bright spots: Workers gains from Heroku (29 vs. 5 lost) and GitHub Pages (33 vs. 2 lost), picking up developers leaving legacy platforms.
| Competitor | Gained | Lost | Net |
|---|---|---|---|
 | +240 | -1,165 | -925 |
 | +117 | -206 | -89 |
 | +87 | -91 | -4 |
 | 0 | -146 | -146 |
| +33 | 0 | +33 |
 | +29 | 0 | +29 |
| 0 | -21 | -21 |
Tech Stack of Cloudflare Workers-Powered Websites
Based on 3,142 enriched companies, Cloudflare Workers customers most commonly pair the platform with Google Analytics (71.6%) for tracking and GStatic (57.3%) for static content delivery. The high overlap with CloudFront (34.3%) suggests many Workers users run multi-cloud architectures. Emotion CSS-in-JS (22.9%) and Microsoft Clarity (14.9%) hint at a technically sophisticated, React-leaning developer community.
CDN
Web Analytics
JavaScript Frameworks
CMS
Expert Analysis: Cloudflare Workers Growth Trends & Key Signals for Sales Teams in 2026
With over a decade in web crawling and technographic data analysis, I've analyzed Cloudflare Workers' growth trajectory, customer profile, and competitive position using TechnologyChecker.io's dataset. This analysis draws on 3,143 LinkedIn-enriched companies out of 6,574 detected domains (47.8% match rate), cross-referenced with Cloudflare's own published case studies and the company's FY2025 earnings ($2.168B revenue, 34% YoY Q4 growth per cloudflare.net/financials) as of our March 2026 crawl. Cloudflare reports over 1 million developers building on the platform, per its November 2023 Forrester Wave press release.
Growth trajectory
Cloudflare Workers was announced at Birthday Week in September 2017 (per blog.cloudflare.com/cloudflare-turns-8) and reached general availability in early 2018. Our first detection came in September 2019 with just 2 active domains. For two years, adoption was barely visible: only 37 domains by September 2021. The inflection point came in Q4 2021, when detections tripled to 93 in a single month. A second growth spike followed the September 2022 open-sourcing of the Workers runtime as "workerd" under Apache 2.0 (per blog.cloudflare.com/workerd-open-source-workers-runtime). By April 2025, detections peaked at 5,135 active domains. That's a 139x increase in under four years.
The growth curve looks like a classic developer platform adoption pattern: a long quiet period while the community experiments, followed by steep acceleration once the tooling matures. Cloudflare's investment in the developer platform ecosystem (Durable Objects, R2, D1, Workers AI) and the Forrester Wave Leader designation in Q4 2023 likely drove this acceleration.
"The 139x growth from 37 to 5,135 active domains between late 2021 and early 2025 tells you something important: developers don't adopt edge compute gradually. They wait until the ecosystem is ready, then they move fast." - Mehmet Suleyman, CEO at TechnologyChecker.io
Sales Signal: The growth curve is still in its steep phase. Sales teams targeting serverless and edge computing should prioritize Workers-adjacent tools (monitoring, databases, CI/CD) because this developer base is actively building and will need supporting infrastructure.
Customer profile
The typical Cloudflare Workers customer is a micro-business. 71.2% have 1-10 employees, and 88% have fewer than 50. Combined with the age distribution (40.2% founded in the 2010s, 33.7% in the 2020s), this is a digitally native customer base building products on modern stacks.
But the enterprise story is more interesting than it first appears. Cloudflare's own website lists Discord, DoorDash, 23andMe, Broadcom, Codepen, Glossier, and npm as Workers customers (per workers.cloudflare.com). DoorDash built its marketing engineering platform using Cloudflare and Next.js in 2021 (per careersatdoordash.com engineering blog, Feb 2022). Our detection data adds Marriott International, United Airlines, and Nespresso. Cloudflare's case studies confirm THG rebuilt its ecommerce frontend on Workers, cutting deployment times from 8 hours to 10 minutes and seeing a 20% organic traffic increase for its Coggles brand (per cloudflare.com/case-studies/thg). VSCO migrated over 2 PB of image data to R2 using Workers in under two weeks, saving $400K annually (per cloudflare.com/case-studies/vsco).
Sales Signal: The 71% micro-business concentration means high volume but low ACV. For higher-value deals, target the enterprises using Workers on subdomains (festival.uipath.com, learn.byjus.com), as these departmental deployments can expand to full-site usage.
Industry and geographic concentration
Retail leads at 6.6%, but no single industry exceeds 7%. The long tail is the story here. Software Development (5.96%), Technology/Internet (4.47%), and IT Services (3.97%) combine for 14.4%, confirming Workers' developer-tool DNA. More unexpected: airlines represent a distinctive cluster. United Airlines, Southwest Airlines, Avianca, GOL, Air India, Oman Air, SriLankan Airlines, Akasa Air, and Air Astana all appear in our data. That's 9 airlines in a 25-company top list.
Geographically, the United States holds 37.2% of all customers, with the UK at 9.6% and Canada at 3.8%. English-speaking countries account for 53%+ of the base. Vietnam (2.4%) and Bulgaria (1.3%) are noteworthy outliers, both home to active developer communities building on modern edge stacks.
Sales Signal: The airline cluster is a clear vertical opportunity. If 9 of 25 top companies are airlines, there's likely a shared use case (fare routing, regional content, booking flows) that Workers solves well. Target remaining airlines not yet on Workers with this proof point.
Migration patterns
The migration data tells a complex story. On the loss side, 1,165 companies left Cloudflare Workers for Google Cloud Functions, a 4.9:1 loss ratio. Vercel took 206 while only sending 117 back. AWS Lambda attracted 146 departures, nearly all within the last year (143 of 146).
On the gain side, Workers picks up developers from legacy and declining platforms. 29 companies migrated from Heroku, likely post-Salesforce's elimination of the Heroku free tier. GitHub Pages sent 33 companies over, and Netlify is nearly balanced (87 gained vs. 91 lost).
"The GCF loss ratio of 4.9:1 is the most striking data point. It doesn't necessarily mean Workers is losing to GCF head-to-head. More likely, companies that experimented with Workers early are consolidating onto their primary cloud provider's serverless stack." - Mehmet Suleyman, CEO at TechnologyChecker.io
Sales Signal: Two opportunities here. First, target Heroku refugees with Workers migration guides. Second, companies leaving Workers for GCF or AWS Lambda may be doing so reluctantly because of ecosystem lock-in. Retention tools, migration support, and ecosystem depth matter more than raw performance for this audience.
Technology ecosystem
The tech stack data reveals what Workers customers are building. Google Analytics appears on 71.6% of enriched domains, which is standard, but the 34.3% CloudFront overlap is surprising: a third of Workers users also run AWS CDN. This multi-cloud pattern suggests Workers often handles specific edge logic (routing, A/B testing, personalization) while AWS serves the broader infrastructure.
The 22.9% Emotion overlap and 3.4% styled-components usage point to a React-heavy frontend community. Microsoft Clarity (14.9%) and Hotjar (13.4%) indicate these aren't just API services: many Workers deployments power user-facing pages where UX analytics matter. Cloudflare Web Analytics adoption at 13.2% shows reasonable internal ecosystem adoption but leaves room to grow.
Sales Signal: The low Cloudflare Web Analytics adoption (13.2% vs. Google Analytics at 71.6%) represents a consolidation play. If you sell analytics or observability tools, Workers users are already paying Cloudflare for compute but using third-party tools for measurement.
Key takeaways
1. Still early-stage at scale: 6,574 active domains is small compared to traditional PaaS but growing at 139x over four years.
2. Developer-first, micro-business core: 71.2% of customers have 1-10 employees, 74% founded after 2010.
3. Airline vertical is a hidden cluster: 9 of the top 25 companies are airlines. Workers solves something specific for aviation.
4. Net migration loss to GCF: 4.9:1 loss ratio to Google Cloud Functions is the biggest competitive vulnerability.
5. Multi-cloud is the norm: 34.3% CloudFront overlap proves Workers complements rather than replaces existing cloud infrastructure.
6. Vendor case studies confirm enterprise value: THG (8hr to 10min deployments) and VSCO ($400K annual savings) provide verified ROI data points.
Sales applications
Targeting strategy: On TechnologyChecker.io, filter for companies using Cloudflare CDN but not Workers. These are already in the Cloudflare ecosystem and face the lowest switching cost. Cross-reference with airlines and retail apparel, the two verticals with proven Workers adoption.
Outreach template: "We noticed [Company] runs on Cloudflare's CDN but hasn't deployed Workers for edge logic. Companies like THG cut deployment times by 98% (8 hours to 10 minutes) after moving their frontend to Workers. Would a 15-minute walkthrough of their approach be useful?"
Competitive angle: For companies on AWS Lambda or GCF, lead with the zero-cold-start advantage and 330+ city presence. Our data shows 146 companies recently moved from Workers to Lambda, so understand the pull factors (ecosystem integration, existing AWS contracts) before pitching against them.
Cloudflare reported $2.168B in FY2025 revenue (per cloudflare.net/financials) and was named a Forrester Wave Leader in Edge Development Platforms (per cloudflare.com, Nov 2023). Explore the full dataset of 6,574 companies using Cloudflare Workers and 3,143 enriched company profiles on TechnologyChecker.io. Filter by industry, company size, country, and founded decade to build targeted prospect lists.
Frequently Asked Questions
Who uses Cloudflare Workers?
Cloudflare Workers is used by 6,574 companies worldwide, including Marriott International, Inc., United Airlines, Lear Corporation, based on our analysis of 50M+ crawled domains at TechnologyChecker.io. It's particularly popular in the Retail industry (6.6% of customers).
How many customers does Cloudflare Workers have?
Cloudflare Workers has 6,574 active customers detected through our monthly crawl of 50M+ domains. We enriched 3,143 of these with LinkedIn company data on TechnologyChecker.io to generate detailed insights. An additional 14,136 sites that previously used Cloudflare Workers are also tracked.
What is Cloudflare Workers's market share?
Cloudflare Workers holds 0.04% of the PaaS market, ranking #24 in the category — based on our analysis of 50M+ domains and 40K+ technologies at TechnologyChecker.io.
What are the best alternatives to Cloudflare Workers?
The top alternatives to Cloudflare Workers include Tencent Cloud (5.42% market share), Firebase Firestore (1.27% market share), Railway (0.67% market share), Amazon Elastic Beanstalk (0.6% market share) — based on our market share data across 50M+ crawled domains.
Which countries use Cloudflare Workers the most?
United States leads with 1,089 Cloudflare Workers customers, followed by United Kingdom (281), Canada (110), Germany (94), Australia (90), based on our enriched company data at TechnologyChecker.io.
What size companies use Cloudflare Workers?
The most common company size is 1-10 employees, representing 71.2% of Cloudflare Workers customers, based on our analysis of 3,143 enriched companies. This is followed by 11-50 employees (16.8%) and 51-200 employees (6.9%).
How old are companies that use Cloudflare Workers?
The majority of Cloudflare Workers customers were founded in the 2010s (40.22%), followed by the 2020s (33.72%), based on our analysis of 3,143 enriched companies. This suggests Cloudflare Workers is most popular among relatively young companies.
What is the ideal customer profile for Cloudflare Workers?
The ideal Cloudflare Workers customer is: Company Size: 1-10 employees, Location: US, UK, or Canada, City: San Francisco, London, New York, Founded: 2010-2019, Company Age: 5-15 years old — based on our analysis of 3,143 enriched companies at TechnologyChecker.io.
Does Cloudflare Workers have a free tier?
Yes. The Workers Free plan includes 100,000 requests per day at no cost, with no charge for execution duration per developers.cloudflare.com/workers/platform/pricing (updated March 2026). The paid Standard plan starts at $5/month and includes 10 million requests, with additional requests at $0.30 per million. As of February 2026, Cloudflare also added Queues to the free plan (per developers.cloudflare.com/changelog).
What is the difference between Cloudflare Workers and AWS Lambda?
Workers runs on V8 isolates across 330+ edge locations with zero cold starts, while Lambda uses containers in regional data centers with occasional cold start delays. Workers supports JavaScript, TypeScript, and WebAssembly natively. Lambda supports more languages (Python, Java, Go, .NET) but requires regional deployment. Published third-party comparisons show Workers costing 25-50% less than Lambda for comparable workloads (per vantage.sh/blog, Oct 2023).
What programming languages does Cloudflare Workers support?
Cloudflare Workers natively supports JavaScript, TypeScript, and WebAssembly. Through Wasm compilation, you can also run Rust, C, C++, and Python code. The runtime was open-sourced as "workerd" under Apache 2.0 in September 2022 (per blog.cloudflare.com/workerd-open-source-workers-runtime). Workers uses the V8 JavaScript engine, not Node.js, though Cloudflare has added Node.js compatibility layers over time (per developers.cloudflare.com/workers).
Can Cloudflare Workers replace a traditional backend?
For many use cases, yes. Workers can handle API routing, authentication, database queries (via D1 or Hyperdrive), file storage (via R2), real-time state (via Durable Objects), and full-stack frameworks like Remix and Next.js. THG rebuilt its entire ecommerce frontend on Workers (per cloudflare.com/case-studies/thg). As of April 2025, Workers also supports containers for heavier workloads (per blog.cloudflare.com, Developer Week 2025). CPU-intensive long-running tasks may still need traditional servers.
What industries use Cloudflare Workers the most?
Based on our analysis of 3,143 enriched companies on TechnologyChecker.io, Retail leads at 6.6%, followed by Software Development (5.96%) and Technology/Internet (4.47%). No single industry exceeds 7%, making Workers a horizontal platform. A notable cluster exists in aviation: United Airlines, Southwest Airlines, Avianca, and six other airlines appear in our top company data.
How many data centers does Cloudflare Workers run in?
Cloudflare Workers runs in over 330 cities across 120+ countries, positioning code within 50 milliseconds of 95% of the world's Internet-connected population. The network handles 81 million HTTP requests per second and has 449 Tbps of network capacity. Workers automatically routes requests to the nearest data center without any configuration.
Is Cloudflare Workers faster than AWS Lambda?
For latency-sensitive workloads, generally yes. Workers eliminates cold starts entirely because it uses V8 isolates instead of containers. Published benchmarks from Cloudflare and third parties show Workers consistently achieving lower p50 and p99 latencies than Lambda, especially for global traffic where Workers' 330+ edge locations provide a geographic advantage over Lambda's regional deployment model.
What companies have migrated to Cloudflare Workers?
Our migration data at TechnologyChecker.io shows 240 companies switching from Google Cloud Functions to Workers, 117 from Vercel, 87 from Netlify, and 29 from Heroku. VSCO migrated 2+ PB of data and saved $400K/year (per cloudflare.com/case-studies/vsco). THG reduced deployment times from 8 hours to 10 minutes (per cloudflare.com/case-studies/thg). Cloudflare also lists Discord, DoorDash, and 23andMe as Workers customers on workers.cloudflare.com.
What is Cloudflare Workers KV?
Workers KV is a globally distributed key-value data store designed for read-heavy workloads. It stores data across Cloudflare's 330+ locations, delivering low-latency reads from the edge. KV is included in both Free and Paid plans with usage limits. It's commonly paired with Workers for caching, configuration, and session storage. For transactional workloads, Cloudflare offers Durable Objects and D1 (SQLite) instead.
What is the difference between Cloudflare Workers and Pages?
Workers is a serverless compute platform for running custom code at the edge. Pages is a static site hosting service optimized for frontend frameworks like Next.js, Astro, and SvelteKit. Pages uses Workers under the hood for server-side rendering, and both share the same deployment infrastructure. Pages is better for full-site deployments, while Workers suits API endpoints, middleware, and custom routing logic.
Does Cloudflare Workers support WebSockets?
Yes. Workers supports WebSocket connections through Durable Objects, which provide persistent, stateful connections between clients and the edge. This enables real-time features like chat applications, multiplayer games, and live collaboration tools. Each Durable Object can maintain thousands of concurrent WebSocket connections with guaranteed consistency within a single instance.
How does Cloudflare Workers pricing compare to other serverless platforms?
Workers starts at $5/month for 10 million requests ($0.30 per additional million). AWS Lambda charges $0.20 per million requests plus $0.0000166667 per GB-second of compute. For high-request, low-compute workloads, Workers is typically 25-50% cheaper. Workers also has no data transfer fees for outbound traffic, unlike Lambda which charges for egress. The free tier includes 100,000 daily requests.
What types of websites should use Cloudflare Workers?
Workers fits best for high-traffic websites needing low-latency responses globally, e-commerce sites requiring A/B testing and personalization at the edge, API gateways handling authentication and routing, and applications that serve users across multiple continents. Our data shows particular concentration among airlines (fare routing) and retail brands (storefront personalization), based on 3,143 enriched companies on TechnologyChecker.io.
What are the CPU time limits for Cloudflare Workers?
On the Free plan, each Worker invocation gets up to 10ms of CPU time. The Paid plan increases this to 30 seconds of CPU time per invocation, with no charge for duration. Wall-clock time (including waiting for network requests) isn't limited the same way. For long-running tasks, Cloudflare offers Workflows and Cron Triggers that can run for up to 15 minutes.
Based on 3,143 company data
These insights include all TechnologCchecker.io detections of Cloudflare Workers (free & paid plans).