Software Alternatives, Accelerators & Startups

Fastly VS D (Programming Language)

Compare Fastly VS D (Programming Language) and see what are their differences

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Fastly logo Fastly

Real-time CDN

D (Programming Language) logo D (Programming Language)

D is a language with C-like syntax and static typing.
  • Fastly Landing page
    Landing page //
    2023-10-09
  • D (Programming Language) Landing page
    Landing page //
    2023-05-09

Fastly features and specs

  • High Performance
    Fastly is known for its high-speed content delivery capabilities due to its advanced edge cloud platform, which can significantly enhance the user experience by reducing latency and improving load times.
  • Real-Time Analytics
    Fastly provides real-time analytics that allow businesses to monitor traffic and performance instantaneously, enabling quick decision-making and enhanced operational efficiency.
  • Edge Computing
    Fastly offers edge computing services that allow processing to be done closer to the end user, which can reduce latency, save bandwidth, and facilitate better performance for dynamic content.
  • Scalability
    Fastly's infrastructure is designed to handle large amounts of traffic and can easily scale up to meet the demands of businesses of all sizes, making it suitable for enterprises with fluctuating traffic levels.
  • Security Features
    Fastly includes robust security features such as DDoS protection, TLS encryption, and a Web Application Firewall (WAF), which help protect websites and applications from various cyber threats.
  • API and Developer Friendly
    Fastly provides a rich set of APIs and extensive documentation that allows developers to customize and integrate its services easily.

Possible disadvantages of Fastly

  • Cost
    Fastly can be more expensive compared to other CDN providers, especially for smaller businesses or startups with limited budgets.
  • Complexity
    The advanced features and functionalities of Fastly may come with a steep learning curve for new users who are not familiar with CDNs and edge computing.
  • Support Limitations
    While Fastly does offer customer support, some users have reported that the quality of customer service can be inconsistent, which may pose challenges during critical issues.
  • Limited Presence in Some Regions
    Fastly's network, although extensive, may not have the same level of presence or performance in certain regions compared to other global CDN providers, potentially affecting service in those areas.
  • Dependency on Internet Connectivity
    As with any cloud-based service, Fastlyโ€™s performance is dependent on the quality of internet connectivity. Poor internet connections can lead to suboptimal performance.

D (Programming Language) features and specs

  • Performance
    D is designed to be a high-performance systems programming language, offering performance comparable to C and C++ through native machine code compilation.
  • Expressiveness
    D features a rich standard library and modern language constructs, such as garbage collection, first-class arrays, and advanced templating, making it easier to write expressive and maintainable code.
  • Memory Safety
    D offers optional garbage collection along with manual memory management. This hybrid approach can help in developing safer applications by reducing memory-related errors.
  • Interoperability
    D can easily interoperate with C API, enabling seamless integration with existing C libraries and systems. It also supports better C++ interoperability compared to other languages.
  • Built-in Unit Testing
    D has built-in support for unit tests, allowing developers to write and run tests as part of the language itself, facilitating test-driven development.
  • Concurrency
    D offers built-in concurrency support with message passing, similar to the actor model found in languages like Erlang, making it easier to write concurrent and parallel programs.

Possible disadvantages of D (Programming Language)

  • Adoption
    D is not as widely adopted as other languages like C, C++, or Java. This limited adoption means fewer libraries, frameworks, and community support.
  • Toolchain Maturity
    While D's compilers and tools have improved over the years, they may still lack the maturity and feature set of more established languages, which can affect developer productivity.
  • Learning Curve
    D's richness and combination of paradigms (such as imperative, object-oriented, and functional programming) can present a steep learning curve for new developers.
  • Garbage Collection
    Although D offers optional garbage collection, its reliance on it for memory safety might be seen as a drawback for real-time system development where deterministic memory management is crucial.
  • Ecosystem
    The ecosystem for D is less vibrant compared to more popular languages, leading to potentially fewer third-party libraries, tools, and resources.
  • Standard Library Documentation
    The standard library documentation can be inconsistent or less comprehensive compared to other languages, making it difficult for developers to fully utilize all features of the language.

Analysis of Fastly

Overall verdict

  • Fastly is generally considered good for businesses that require a reliable and fast CDN with advanced features for security and real-time analytics. Its edge computing capabilities make it an excellent choice for companies looking to optimize the delivery of dynamic and personalized content. However, like any service, whether it is best suited for your particular needs will depend on specific business requirements and budget.

Why this product is good

  • Fastly is a popular content delivery network (CDN) and cloud services provider known for its speed, scalability, and powerful edge computing capabilities. It offers real-time visibility and control, which can be particularly beneficial for businesses that need to deliver dynamic content and applications quickly. Fastly's platform is designed for high performance and efficiency, allowing for rapid scaling to handle large volumes of traffic. Additionally, Fastly is praised for its robust security features, which include DDoS protection, TLS/SSL encryption, and Web Application Firewall (WAF) capabilities.

Recommended for

  • E-commerce platforms that need to provide fast and reliable shopping experiences.
  • Media and entertainment companies requiring efficient delivery of video and audio streams.
  • Tech companies that need to leverage edge computing for real-time data processing and application delivery.
  • Businesses of all sizes seeking robust security measures for their web applications and services.

Analysis of D (Programming Language)

Overall verdict

  • Overall, D is a solid programming language choice that balances performance with productivity. It may not be as widely adopted as some other languages, but it has a dedicated community and continues to evolve, making it a viable option for various programming tasks.

Why this product is good

  • The D programming language is considered good by many developers for various reasons. It combines the performance and low-level control of C/C++ with the expressive power and ease of use found in modern languages. D offers features like garbage collection, first-class functions, and compile-time function execution, providing both speed and flexibility. Its interoperability with C, the convenience of a powerful standard library (Phobos), and the availability of packages via the DUB package manager make it a practical choice for systems programming, application development, and rapid prototyping.

Recommended for

  • System programming enthusiasts looking for an alternative to C/C++
  • Developers interested in writing high-performance applications
  • Programmers who appreciate modern language features and strong community support
  • Projects requiring seamless C integration
  • Individuals looking for a language that supports easy code maintenance and scalability

Fastly videos

FASTLY STOCK, TOP GROWTH STOCK? FSLY

More videos:

  • Review - Fastly CEO Artur Bergman on cloud computing
  • Review - Why Fastly

D (Programming Language) videos

D Language Tutorial

Category Popularity

0-100% (relative to Fastly and D (Programming Language))
CDN
100 100%
0% 0
Programming Language
0 0%
100% 100
Cloud Computing
100 100%
0% 0
OOP
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Fastly and D (Programming Language)

Fastly Reviews

8 Best Cloudflare Alternatives (Free + Premium)
With a decade of experience in the CDN market, Fastly was founded by Artur Bergman in 2011. Fastly is one of those whirlwind service providers that expanded quickly through the years to become a force to be reckoned with today. Google recognized this and selected Fastly to be one of its CDN partners in 2015.
Source: hostscore.net
The 7 Best Content-Delivery-Network Providers
Fastly originates from San Francisco and works edge-cloud-based. In addition to the use of a Content-Delivery-Network, Fastly optimises images to relieve the server and live up to its name even more. The fewer bytes, the faster the transmission after all. In addition, Fastly does a lot in terms of security. Hence, with this provider you get a Web-Application-Firewall as well...
Source: omr.com
Top 15 Cloudflare Alternatives: A Complete Guide
Fastly is a CDN service that specialises in dynamic and event-driven content delivery. Fastly uses its powerful and distributed network of servers to cache and serve your web content and applications with low latency and high availability. Fastly also offers security features, such as SSL, DDoS protection, and WAF, to protect your web content and applications.
Introduction to Cloudflare Alternatives In 2021
If fond of extremely time CDN then โ€œFastlyโ€, an dilemma to Cloudflare, founded in the year 2011 which supplies a series of services including immediate configuration updates, instant purging, characteristics content cache, real-time streaming & analytics, private CDN, WAF, Image Optimizer, duty balancing. Fastly features pricing as such as a total variety of requests and...
10 Top Cloudflare Alternatives for Your Website
Fastly offers on-the-go pricing thatโ€™s based on the total number of requests and the volume of data transfer. The company also allows users to test up to $50 of traffic for free, without any long-term commitment. However, you can also opt for more predictable plans by opting for Fastlyโ€™s Essential, Professional, or Enterprise plans. The company also provides extensive public...
Source: beebom.com

D (Programming Language) Reviews

We have no reviews of D (Programming Language) yet.
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Social recommendations and mentions

Based on our record, D (Programming Language) should be more popular than Fastly. It has been mentiond 60 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Fastly mentions (14)

  • The Rise of the Monolith
    Well worth a mention, Fermyon[0] and Cosmonic[1], and Fastly[2] are all standards-based and mature wasm edge/cloud providers worth checking out! 0: https://fermyon.com 1: https://cosmonic.com 2: https://fastly.com. - Source: Hacker News / over 2 years ago
  • Need help about netstat results
    Go to fastly.com if you want to know what fastly is. Source: over 3 years ago
  • HSTS issue
    "Websites prove their identity via certificates. Firefox does not trust this site because it uses a certificate that is not valid for i.redd.it. The certificate is only valid for the following names: default.ssl.fastly.net, fastly.com, \.a.ssl.fastly.net, *.hosts.fastly.net, *.global.ssl.fastly.net, *.fastly.com,* a.ssl.fastly.net, purge.fastly.net, mirrors.fastly.net, control.fastly.net, tools.fastly.net. Source: over 3 years ago
  • Launching Nhost CDN: Nhost Storage Is Now Blazing Fastโ„ข
    No, we didn't. We are leveraging Fastly's expertise for that so you get to benefit from their large infrastructure while we get to enjoy their high degree of flexibility to tailor the service to your needs. - Source: dev.to / about 4 years ago
  • MQA is lossy
    And yet the internet still has issues. I was communicating with a guy in r/tidal over the weekend in Poland. His internet speeds were 400 Mbps down and yet Tidal Master streams couldn't play. Come to find out when people are awake his ISP and one of its peers to get to fastly.com (CDN that Tidal uses) is saturated and unable to play. You can't even begin to compare youtube or Netflix either. Netflix, youtube and... Source: over 4 years ago
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D (Programming Language) mentions (60)

  • Ask HN: What is your (AI) dev tech stack / workflow? (June 2026)
    I've spent 2 weeks (2-4h per day) to make D language[1] version of Sciter SDK [2] Choice of AI "tooling" was by accident - typed something like "how to define copy constructor in D for custom structure" in Microsoft's Copilot in Edge browser that gives context for AI. The answer was good enough for me and so I went with it further. [1] D language HQ : https://dlang.org/. - Source: Hacker News / 2 months ago
  • Rue: Higher level than Rust, lower level than Go
    > Mostly, I am not really trying to compete with C/C++/Rust on speed, but I'm not going to add a GC either. So I'm somewhere in there. Out of curiosity, how would you compare the goals of Rue with something like D[0] or one of the ML-based languages such as OCaml[1]? 0 - https://dlang.org/ 1 - https://ocaml.org/. - Source: Hacker News / 8 months ago
  • Pony: An actor-model, capabilities-secure, high-performance programming language
    The D language home page has something similar with a drop down with code examples https://dlang.org/. - Source: Hacker News / about 1 year ago
  • Show HN: D++lang โ€“ A new systems programming language with Python-like syntax
    What is this? There's a lot of red flags here. * The name "D" for a programming language was taken in 1999: https://dlang.org/. - Source: Hacker News / about 1 year ago
  • Koto Programming Language
    >For me the biggest gap in programming languages is a rust like language with a garbage collector, instead of a borrow checker. I cannot agree more that's the much needed sweet spot/Goldilock/etc. Personally I have been advocating this approach for some times. Apparently the language is already widely available and currently has stable and wide compiler support including the venerable GNU compiler suite (GDC). It... - Source: Hacker News / over 1 year ago
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What are some alternatives?

When comparing Fastly and D (Programming Language), you can also consider the following products

CloudFlare - Cloudflare is a global network designed to make everything you connect to the Internet secure, private, fast, and reliable.

C++ - Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation

Amazon CloudFront - Amazon CloudFront is a content delivery web service.

Nim (programming language) - The Nim programming language is a concise, fast programming language that compiles to C, C++ and JavaScript.

KeyCDN - KeyCDN is a high-performance Content Delivery Network (CDN). Lowest price globally at $0.04/GB with HTTP/2 Support and free Origin Shield.

V (programming language) - Simple, fast, safe, compiled language for developing maintainable software.