Limelight (NASDAQ: LLNW) has been a strong player in the CDN market since 2001. Limelight has a large, high-capacity network with POPs on many continents and an integrated suite of live and on-demand video delivery, web acceleration and security services.
Verizon Digital Media Services is a division of Verizon. Founded in 2011, VDMS acquired EdgeCast CDN in 2013 and startup upLynk for their streaming video technology. VDMS has a focus on streaming video and a goal to be a leading provider of OTT services.
Leaseweb has been an established player in the (enterprise) hosting market for many years and launched their CDN mid 2013. Leaseweb claims 'the most competitive price in the CDN market' and has a reseller program.
StackPath launched in 2016 and is built on top of the Highwinds and MaxCDN platforms. StackPath promises global, high performance content delivery + top notch security (integrated web application firewall and DDoS mitigation) while keeping things simple, transparent and affordable. StackPath is developer-friendly with 24/7/365 support and a fully-documented API.
Founded in 2011, Fastly has grown into a mature CDN provider. Fastly offers a range of services including streaming media delivery and private CDN but Fastly is best known for being a 'real-time CDN', meaning changes happen instantly and the platform can deliver 'uncacheable' content well.
Founded in 2000, CDNetworks has been in the content delivery space longer than most other CDNs. CDNetworks always had, and still has, a strong focus on emerging markets like Brazil and Russia. CDNetworks has a wide range of content delivery/acceleration and security products.
Level 3 owns and operates a global Tier-1 network and - logically - their CDN runs on top of it. Level 3 CDN has POPs on all continents and their product focus is on video and large object delivery. Level 3 CDN is part of the Google Cloud CDN Interconnect.
G-Core Labs is a global CDN with a strong POP map in Russia and CIS. They acquired SkyparkCDN in 2017. G-Core Labs is headquartered in Luxembourg, with offices in Moscow, Minsk and Perm.
Incapsula launched in 2009 and is a security-first CDN, with DDoS mitigation and Web Application Firewall services, as well as CDN-acceleration features like dynamic content caching & smart content optimization. Incapsula comes integrated with load balancing and failover solutions.
Cloudflare provides a global CDN with unique performance capabilities and a strong focus on security. The company has a global infrastructure built from the ground up using only next-generation, high-performance equipment—no legacy software or hardware. The result is a CDN that's easy to set up, affordable, and built to continuously adapt and integrate emerging technologies to meet future needs of everyone's Internet properties.
CloudFront is the CDN of AWS (Amazon Web Services), the world's largest cloud services provider. CloudFront offers a mature set of content delivery products and has a big network of POPs on many continents. Solid documentation and APIs make CloudFront a developer-friendly CDN.
Launched in 2002, CacheFly developed the world's first TCP-anycast based content delivery network. CacheFly has a focus on optimizing the CDN for throughput and has steadily built out the network to now have ~40 POPs on 6 continents.
Founded in 1998, publicly traded on NASDAQ (CCIH), ChinaCache is the first CDN in China and generally considered to be one of the better CDNs for China delivery because of their network, knowledge and experience from working with (enterprise) multinational customers. The ChinaCache network and services are not limited to mainland China and ChinaCache has been growing steadily outside China in the past years.
Akamai is one of the oldest CDNs and generally considered to be the largest global CDN. They have 'servers everywhere' and a wide range of products and services. The company is actively involved in Let's Encrypt and is pushing HTTP/2 adoption.
BelugaCDN launched their services in 2015 and is a pay-as-you-go, low-cost CDN provider. They have a full-featured IPv4+IPv6 network and POPs on 5 continents.
Tata Communications is a full service, carrier grade, global CDN that has been in operation since their acquisition of BitGravity in 2012. The CDN rides on Tata’s global infrastructure which is the largest Tier 1 network in the world. Tata’s ownership of the network and peering relationships enable it to be very competitive when it comes to price.
QUANTIL launched their CDN services in 2012. They have a strong focus on live stream delivery with continued support for RTMP, L-HLS, HDS, HTTP TS and HTTP FLV. QUANTIL has a full-featured IPv4+IPv6 network and a big network of POPs in 34 countries including mainland China (ChinaNetCenter).
SwiftServe CDN, operated by Conversant, has a strong POP presence in Asia and especially Indonesia. Their services include web acceleration, file download optimisation, video on demand (VoD) and live streaming. Conversant operates the largest CDN Federation in Asia.