Software Alternatives & Startups

Fast.com VS BitDive

Compare Fast.com VS BitDive and see what are their differences

Fast.com

Quickly test your internet speed with this fast-loading speed test powered by Netflix.

Rating
0 reviews
BitDive

Stop writing test code to test code. BitDive turns real executions into deterministic replay tests with auto-mocking and instant root cause visibility.

Rating
0 reviews
Pricing
Open source Freemium Free trial

Which is more popular?

Based on our record, Fast.com seems to be a lot more popular than BitDive. While we know about 1688 links to Fast.com, we've tracked only 2 mentions of BitDive.

social mentions
1,688 vs 2
Speed Test popularity
100% vs 0%
alternatives listed
129 vs 10

Base details

Website, pricing, platforms and company facts side by side.

Fast.com
BitDive
Website fast.com bitdive.io
Pricing —
Open source Freemium Free trial Official pricing
Company Startup from the United States Startup from the United Kingdom · 1 - 9 employees · 2024
Listed in

About Fast.com and BitDive

In their own words, as submitted to SaaSHub.

Fast.com
BitDive

No description of Fast.com yet.

BitDive is a QA automation and runtime verification platform for Java, Kotlin, and Spring microservices. It captures real executions with full context and turns them into deterministic replay tests that run as native Maven and JUnit tests. No handwritten test code, no brittle scripts, and no...

Read more about BitDive

Features and specs

What each product offers, as listed by its team.

Fast.com 5 features
BitDive 4 features
  • Simplicity
    Fast.com has a clean and straightforward interface, making it very easy for users to test their internet speed without any distractions or complications.
  • Ad-Free
    The website does not contain any advertisements, providing a seamless and uninterrupted user experience.
  • Integration with Netflix
    Fast.com is created by Netflix, which ensures that the speed test results are optimized for streaming services, giving users a reliable indicator of how well they can stream content on the platform.
  • Quick Results
    The speed test begins automatically as soon as the website loads, providing users with rapid results without the need for additional clicks or inputs.
  • Mobile-Friendly
    Fast.com is optimized for mobile devices, making it easy for users to test their internet speed on smartphones and tablets.

Possible disadvantages

  • Limited Metrics
    Fast.com primarily focuses on download speed and does not provide as comprehensive a range of metrics as some other speed test websites, such as upload speed, latency, and jitter.
  • No Server Selection
    Users cannot choose which server to run the speed test against, which can sometimes result in less accurate measurements for specific network conditions.
  • No Historical Data
    Fast.com does not offer features to save or track historical speed test results, limiting users' ability to monitor their internet performance over time.
  • Lack of Customization
    There are no options to customize the test parameters, such as test duration or concurrency levels, which might be relevant for more advanced users.
  • Geared for Streaming
    Since Fast.com is tailored for Netflix streaming, it may not fully represent other usage scenarios, such as gaming or file downloads, which require different network performances.
  • Heatmap
    Performance heatmap highlighting slow endpoints and hotspots across services.
  • Service Map
    Service map showing microservice dependencies and request paths across the system.
  • Error Debugging (method-level)
    Error Debugging (method-level): Method-level call tree with parameters, exceptions, and SQL for log-less root cause analysis.
  • Create Tests
    Create replay tests in a few clicks from captured executions, no test code or mock maintenance.

Analysis

An editorial look at what each product does well and who it suits.

Fast.com
BitDive

Overall verdict

  • Yes, Fast.com is good for quickly assessing your internet download speed, particularly if you're interested in streaming quality on Netflix.

Why this product is good

  • Fast.com is a speed test tool developed by Netflix to help users evaluate their internet connection, particularly for streaming services. It is known for its simplicity, ease of use, and lack of ads, providing a quick way to measure download speeds using Netflix's servers.

Recommended for

  • Users who want a simple and ad-free internet speed test.
  • Anyone looking to check streaming speeds for Netflix.
  • People interested in basic information about their download speeds without detailed additional metrics.

Overall verdict

  • BitDive is a solid observability and monitoring solution for distributed applications, offering strong tracing, performance analysis, and debugging capabilities that help teams identify and resolve issues efficiently.

Why this product is good

  • Provides end-to-end distributed tracing to track requests across microservices
  • Offers real-time performance monitoring and bottleneck detection
  • Helps reduce debugging time with detailed insights into application behavior
  • Supports proactive issue detection before problems impact end users
  • Integrates with modern application stacks and development workflows

Recommended for

  • Development teams building and maintaining microservices architectures
  • DevOps and SRE teams responsible for application performance and reliability
  • Companies running distributed or cloud-native applications
  • Organizations seeking to reduce mean time to resolution (MTTR) for production issues
  • Startups and enterprises that need scalable observability tooling

Videos

Walkthroughs and reviews on video.

Fast.com 3 videos + Add
BitDive 1 video + Add

Speedtest.net vs Fast.com | why different results ?

More videos

  • - Measure your Internet speed with Fast.com
  • - Fast.com: Better than speedtest.net?

Create unit tests automatically from real microservice traces with BitDive Replay. In this demo, I generate JUnit tests (run via Maven) from recorded calls, complete with mocks and inputs, then run them locally and in CI/CD using mvn test.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Fast.com
BitDive
100% 100%
0% 0%
0% 0%
100% 100%
99% 99%
1% 1%
100% 100%
0% 0%

User comments

Share your experience with using Fast.com and BitDive. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Fast.com 1688 mentions
BitDive 2 mentions
  • I Built a Fast.com for LLMs: Introducing iamspeed.dev
    That is exactly how fast.com works for internet speed tests. You open it, it runs, you see a number. Done. - Source: dev.to / 4 months ago
  • Streaming the 2026 Winter Olympics: A Developer's Guide to Live Sports IPTV
    Pro tip: Run a speed test immediately before the event. Don't trust your "up to 100 Mbps" ISP claim. Use fast.com or speedtest.net to get real numbers. - Source: dev.to / 8 months ago
  • Downdetector, Speedtest sold to IT service provider Accenture in $1.2B deal
    Speedtest has always seemed incredibly sketchy to me, I don’t know if others share this sentiment. https://fast.com completed the test faster than speedtest loads the site. - Source: Hacker News / 8 months ago

View more

  • 5 Jackson Configuration Changes That Silently Break Your Microservices
    BitDive captures the actual serialized HTTP exchanges from your running application. Trigger the same API call before and after the configuration change. BitDive compares the real outgoing payloads:. - Source: dev.to / 8 months ago
  • Your Service Passes All Tests But Breaks Production: Detecting Inter-Service API Regression
    TL;DR: The most dangerous bugs in microservices are not inside a service. They are between services. A code change can make a service pass all its local tests while silently altering what it sends to downstream APIs: different payload,... - Source: dev.to / 8 months ago

Alternatives to Fast.com and BitDive

When comparing Fast.com and BitDive, you can also consider the following products.