BytePlus CDN is a serious CDN candidate for buyers who want more than basic static-file caching. BytePlus documents a global CDN with 1,300+ cache nodes, 120+ Tbps of bandwidth capacity, WAF and DDoS options, edge functions, log delivery, API workflows, and regional pricing tables.
The buyer question is not whether BytePlus CDN is capable. It is whether you want a platform-style CDN with programmable edge features, optional security layers, and more billing variables, or a more focused CDN for websites, downloads, video, and live streaming.
Decision in 20 seconds
Quick verdict: BytePlus CDN is worth shortlisting if you want a programmable CDN with a large documented edge footprint, security integrations, detailed logs, API operations, and room to grow into edge logic.
The main caveat is complexity. Real cost can include regional traffic rates, request charges, origin transfer, log delivery, 4xx billing, prepaid savings plans, and security add-ons.
For buyers who mainly want practical content delivery for websites, software files, VOD, or live streaming, CDNsun is the cleaner alternative to evaluate. CDNsun is focused on CDN delivery, simpler pay-as-you-go pricing, unlimited requests included, raw logs included, API access included, integrated storage, a 15-day trial, and 24/7 support.

What is BytePlus CDN?
BytePlus is ByteDance’s enterprise division, but buyers should not assume BytePlus CDN uses TikTok infrastructure unless BytePlus says so.
BytePlus CDN is a content delivery network for accelerating web and mobile content. In its CDN documentation, BytePlus says the service caches content on a global network of over 1,300 nodes with over 120 Tbps of bandwidth capacity. The CDN handles user requests, serves cached content from edge nodes when possible, and fetches from the origin when a requested file is not already cached.
The service is positioned for web and app acceleration, large files, static images, streaming media, and dynamic acceleration. BytePlus documents support for HTTP/HTTPS and QUIC, monitoring for transfer, bandwidth, and requests, and path probing for dynamic resources.
That makes BytePlus CDN more of an edge delivery platform than a narrow “put static files near users” product.
Network and performance positioning
On its CDN product page, BytePlus says its CDN has over 1,300 cache nodes, 70+ locations and regions, 6 regional centers, and more than 120 Tbps of bandwidth capacity.
In the CDN overview, BytePlus explains the standard CDN flow clearly:
- a user requests content through a CDN-connected domain,
- the CDN routes the request to an edge node,
- cached content is served directly when available,
- cache misses are fetched from origin and stored for later requests.
BytePlus also says its CDN uses multilevel cache organization and self-developed cache software. For dynamic resources, BytePlus documents path probing technology that selects an optimal forwarding path to the origin.
The practical point is to test BytePlus CDN with your real content mix. Static websites, heavy image libraries, software packages, HLS/DASH media segments, and dynamic pages create very different cache-hit rates and cost profiles.
Features for website and media delivery
BytePlus CDN covers the standard CDN feature set plus some platform-style additions.
For websites and applications, it is positioned for e-commerce pages, news sites, blogs, social feeds, and app content. Buyers can use it for static assets such as images, CSS, JavaScript, downloads, and other cacheable objects. The documented protocol support includes HTTP/HTTPS and QUIC.
For media delivery, BytePlus references large files and streaming media in its overview. That makes it relevant for video-on-demand and segment-based HTTP streaming, but buyers should validate their exact workflow, including cache behavior, range requests, origin shielding strategy, log fields, and player requirements.
BytePlus also documents operational cache controls:
- cache purge for removing files or directories before expiration,
- origin prefetch for warming edge caches before traffic arrives,
- purge quotas such as 10,000 file URLs per day and 50 directories per day,
- prefetch quota of 1,000 files per day,
- no charge for prefetch according to the prefetch documentation.
These features are useful for release workflows, software-package launches, campaign pages, and media libraries where first-request latency matters.
Security and edge features
Security is one of BytePlus CDN’s stronger areas, but buyers still need to separate included capabilities from paid or separately configured services.
BytePlus documents CDN-integrated WAF protection where requests first reach CDN edge nodes, pass CDN-side access management, and then flow through the WAF protection module. The WAF page lists access control, CC attack protection, vulnerability protection, bot management, and API protection.
The important caveat: the WAF page describes creating a WAF instance and points readers to separate WAF documentation for detailed configuration. Full WAF pricing was not clearly found in the accessible BytePlus CDN sources used for this review, so buyers should confirm WAF cost directly with BytePlus before treating it as a known line item.
BytePlus also documents DDoS protection across network, transport, and application layers. The DDoS levels page distinguishes native, standard, and advanced protection:
- CDN native protection applies to all users, but the minimum network/transport protection capability is not guaranteed.
- Standard DDoS Protection documents a 50 Gbps minimum protection capability.
- Advanced DDoS Protection documents a 100 Gbps minimum and Tbps-level maximum on a best-effort basis.
The Advanced DDoS caveats matter. BytePlus documents that enabling Advanced DDoS may introduce additional latency, does not support Chinese Mainland service regions, may affect IPv6 behavior, and can prevent changing the acceleration region after activation.
BytePlus Advanced DDoS Protection for CDN also has a significant separate cost. The official pricing page reviewed for this article showed a $3,000/month subscription for the CDN service, prepaid monthly or annually, including 50 protected domains. Additional protected-domain quota was listed at $100/month per additional 5 domains, with pay-as-you-go usage based on transmitted data.
For edge programmability, BytePlus offers Edge Functions and Edge KV. BytePlus says developers can write JavaScript functions and deploy them to global edge nodes. Documented use cases include edge-side rendering, CORS handling, request authentication, redirects, A/B testing, custom error pages, cache management, and website fallback.
If your team wants custom request handling at the edge, this is a real strength.
Logging, monitoring, and API operations
The Log Streaming documentation says logs can be delivered near real time, typically within 5 minutes. BytePlus positions this for monitoring, issue analysis, security-risk detection, popular-content analysis, and business insight.
BytePlus also documents Log Batch Delivery, which transfers hourly packaged request logs to object storage destinations such as BytePlus TOS, AWS S3, or S3-compatible storage. That is useful for teams that already process CDN logs in a data lake or SIEM workflow.
The caveat is cost. BytePlus CDN pricing lists log delivery as a billable item:
- Log Batch Delivery: $0.001 per 10,000 entries.
- Log Streaming: $0.0015 per 10,000 entries.
If you have many small assets, video segments, bot traffic, or high request volume, log-entry billing should be included in the model.
BytePlus also has a documented CDN API learning path. It covers first-time CDN setup, HTTPS enablement, domain configuration, Edge Functions, Edge KV, purge, prefetch, IP ownership checks, statistics, and task history.
That makes the platform more natural for engineering teams than for buyers who only want a simple dashboard workflow.
BytePlus CDN pricing and billing model
BytePlus CDN pricing is detailed, but not simple.
The BytePlus CDN pricing page lists pay-as-you-go and prepaid savings-plan options. The main pay-as-you-go billable items are:
- data transferred from CDN to client,
- data transferred from CDN to origin,
- number of requests received by CDN,
- Log Batch Delivery volume,
- Log Streaming volume.
Client traffic is billed by region and monthly usage tier. For the first 10 TB per month, the documented pay-as-you-go traffic rates include:
| Region | First 10 TB / month |
|---|---|
| Chinese Mainland | $0.035/GB |
| Europe | $0.044/GB |
| North America | $0.044/GB |
| Middle East/Africa | $0.100/GB |
| South America | $0.100/GB |
| Asia Pacific Region 1 | $0.060/GB |
| Asia Pacific Region 2 | $0.078/GB |
| Asia Pacific Region 3 | $0.088/GB |
BytePlus also lists:
- origin transfer from CDN to origin at $0.06/GB,
- requests at $0.012 per 10,000 requests,
- Log Batch Delivery at $0.001 per 10,000 entries,
- Log Streaming at $0.0015 per 10,000 entries.
For predictable usage, BytePlus offers prepaid traffic and request savings plans. The pricing page says savings plans are valid for 30 days and lists a free trial promotion with 1 TB of traffic and 10,000,000 requests valid for 30 days.
There is a documentation inconsistency to verify. The BytePlus CDN billing FAQ says that after activation, users can claim 1 TB of traffic and 10,000,000 requests valid for 1 year from the claim date. The pricing page says the free traffic and request savings plans are valid for 30 days. Buyers should confirm the current trial validity with BytePlus before using it in procurement or test planning.
The billing FAQ also includes several important details:
- default billing after activation is traffic-based, hourly, and postpaid,
- some billing-method and service-management changes require support involvement,
- 4xx responses are billable,
- blocked or rejected requests can still generate billable response traffic and billable request volume,
- billed traffic can be higher than log traffic because of header overhead and TCP retransmissions.
Those are not unusual concepts in CDN billing, but they matter. A buyer looking only at per-GB rates may underestimate the real bill if the workload has high request volume, many blocked requests, many logs, origin transfer, or traffic in higher-priced regions.
Buyer caveats before choosing BytePlus
BytePlus CDN is credible, but four checks matter before you buy:
- Request-heavy workloads can cost more than they first appear because requests, 4xx responses, and log delivery are billed.
- Low cache-hit ratios, frequent purges, and fast-changing content can increase origin-transfer charges.
- Security spend can move quickly. Advanced DDoS pricing is clearly material, and WAF pricing should be confirmed directly with BytePlus.
- Documentation details should be verified early, especially free-trial validity and any billing or service changes that require support involvement.
The SLA is adequate rather than aggressive on paper: BytePlus says monthly uptime will be at least 99.9%, with service credits up to 25% of the monthly service fee and no refunds.

BytePlus CDN vs CDNsun
BytePlus CDN is the broader platform-style option. It is attractive when you want a large documented edge footprint, edge functions, Edge KV, WAF integration, advanced DDoS options, log streaming, batch log delivery, and API-based operations.
CDNsun is the focused practical alternative for website and media delivery. It has provided CDN services since 2012, operates more than 30 data centers worldwide, and is trusted by 2000+ customers. CDNsun is positioned around website acceleration, software delivery, video delivery, live streaming, CDN storage, and full-site acceleration.
The commercial model is also different. CDNsun pricing is pay-as-you-go with no monthly fee on the Business Plan, transparent per-PoP pricing, unlimited requests included, raw logs included, API access included, and integrated CDN storage. CDNsun also includes free SSL, free traffic to CDNsun infrastructure, URL signing, token expiry, IP access policies, 2FA, purge, purge-all, prefetch, CMS integrations, a 15-day trial, and 24/7 support.
This does not mean CDNsun should be claimed as cheaper overall in every case. A fair cost comparison depends on region mix, traffic volume, cache-hit ratio, request volume, logs, storage, security needs, and support expectations.
A practical comparison looks like this:
| Buyer need | BytePlus CDN fit
|
CDNsun fit
|
|---|---|---|
| Large documented edge footprint | Strong, with 1,300+ cache nodes and 120+ Tbps documented by BytePlus | More focused, with 30+ data centers worldwide |
| Edge programming | Stronger fit: Edge Functions and Edge KV | Better fit for buyers who do not need edge-code depth |
| Request-heavy delivery | Needs careful modeling because requests are billed | Unlimited requests included |
| Raw log access | Strong logging options, but delivery is billable | Raw logs included |
| Security platform depth | WAF and DDoS options, but confirm add-on pricing | Practical CDN security controls such as URL signing, token expiry, IP policies, SSL, and 2FA |
| Billing simplicity | More complex: regions, requests, origin transfer, logs, add-ons | Simpler PAYG with transparent PoP pricing |
| Website/media delivery focus | Capable, especially if platform features matter | Strong direct fit for websites, downloads, VOD, and live streaming |
The simplest rule: choose BytePlus CDN when edge programmability, platform security options, and detailed operations justify the extra moving parts. Choose CDNsun when the main job is reliable website, file, and media delivery with simpler billing and a CDN-focused operating model.
Trial validation checklist
Before committing to BytePlus CDN, CDNsun, or any CDN provider, test with your own traffic pattern. Use at least one production-like domain, a representative origin, and real objects.
Validate these items:
- cache-hit ratio for HTML, images, CSS, JavaScript, downloads, and video segments,
- first-byte time and download throughput in your top countries,
- performance in expensive or strategically important regions,
- request volume per GB delivered,
- 4xx volume and whether blocked requests still affect the bill,
- origin transfer after cache misses, purges, and prefetches,
- purge speed and correctness during a real deployment,
- prefetch behavior for large files and campaign assets,
- log availability, format, delay, and cost,
- security workflow for WAF, DDoS, URL signing, token rules, and IP controls,
- API coverage for the tasks your team will actually automate,
- support response for one routine question and one urgent scenario,
- final monthly cost using your real request count, region mix, logs, and origin traffic.
For BytePlus specifically, ask BytePlus to confirm WAF pricing, current free-trial validity, Advanced DDoS pricing for your exact CDN use case, and whether any required configuration changes need support tickets.
For CDNsun, test the same content set with the 15-day trial, then compare the actual dashboard usage against your expected traffic, request profile, and support workflow.
Final verdict
BytePlus CDN is a strong fit for engineering-led teams that want a serious CDN platform with edge functions, API workflows, optional security layers, and enough traffic scale to justify a more complex operating model.
If that sounds like your team, BytePlus deserves a live trial now. If your main goal is straightforward website, download, video, or live-stream delivery with simpler forecasting, test CDNsun first.
FAQ
Is BytePlus CDN a good CDN?
Yes, BytePlus CDN appears to be a serious CDN option. BytePlus documents 1,300+ cache nodes, 120+ Tbps capacity, HTTP/HTTPS and QUIC support, WAF integration, DDoS options, edge functions, log delivery, and CDN APIs. The main question is buyer fit, not basic capability.
Is BytePlus CDN good for video delivery?
BytePlus CDN documents support for large files and streaming media, so it is relevant for video delivery evaluation. Buyers should test their actual media workflow, including segment caching, range requests, origin behavior, log volume, region mix, and total cost.
Does BytePlus CDN include WAF?
BytePlus documents CDN integration with BytePlus WAF, including access control, CC attack protection, vulnerability protection, bot management, and API protection. The WAF workflow involves creating a WAF instance. Buyers should confirm current WAF pricing and packaging directly with BytePlus.
How much does BytePlus CDN cost?
BytePlus CDN pay-as-you-go pricing depends on region, traffic tier, request count, origin transfer, and log delivery. In the documented first 10 TB tier, Europe and North America are listed at $0.044/GB, while some regions such as Middle East/Africa and South America are listed at $0.100/GB. Requests are listed at $0.012 per 10,000 requests, and origin transfer is listed at $0.06/GB.
Are BytePlus CDN 4xx responses billable?
Yes. The BytePlus CDN billing FAQ says 4xx responses are billable. It also says blocked or rejected requests can generate billable traffic and count toward billable request volume.
What is the best BytePlus CDN alternative?
It depends on the workload. For buyers who need edge functions, advanced security options, and platform-style operations, BytePlus may be a good fit. For buyers who want focused website, software, video, and live streaming delivery with simpler pay-as-you-go billing, CDNsun is a practical alternative to test.

