Alternatives

Products that do what Lag – Know Before You Go does

1. 1LL
   Low-latency jamming over the internet▲236

   2021 · sub.live

2. 2SA
   Slowy app, Real-world connection simulator and bandwidth limiter▲104

   2011 · slowyapp.com

3. 3LR
   Lag Radar Chrome Extension from Dan Abramov's Beyond React 16 Demo▲58

   2018 · github.com

4. 4AF
   A Firefox extension to add latency to distracting webpages▲232

   2020 · addons.mozilla.org

5. 5
   Seed De Flicker▲101

   Say goodbye to slow motion video flicker

   2017

6. 6CA
   Crapify, a proxy for simulating slow, spotty HTTP connections▲96

   2015 · npmjs.com

7. 7GP
   Get pinged when standards hit 90% browser support▲199

   2015 · frontendhq.com

8. 8GC
   GoScale Cloud Scaling in Milliseconds▲118

   2012 · goscale.com

9. 9PT
   Ping times between major cities (where we have a server)▲23

   2012 · wondernetwork.com

10. 10PG
    Ping.gy – An app to connect with people within 1km from you▲62

    2018 · ping.gy

11. 11
    Failswitch▲99

    Never worry about website downtime again

    2015

12. 12MP
    My Python Solver for the On-Time Arrival Problem in Traffic Congestion▲121

    2017 · github.com

13. 13VT
    Visualizing the transmission between you and base stations▲75

    2020 · github.com

14. 14CT
    Couldn't sleep; added 960gs support to jMockups▲75

    2010 · jmockups.com

15. 15LI
    Loriot.io – low-latency network as a service▲17

    2015 · loriot.io

16. 16TF
    Tool for testing sites and apps on slow connections▲35

    2019 · httpdebugger.com

17. 17TS
    Teleport – see what the web looks like from elsewhere in the world▲48

    2014 · teleport.to

18. 18SA
    SetTimeout as a Service for simulating delays▲16

    2014 · settimeout.io

19. 19GL
    Global latency testing tool▲10

    2017 · latency.apex.sh

20. 20TS
    The simplest tool to test website latency from multiple locations▲7

    2018 · github.com

21. 21PI
    PingStack.io – Simple uptime monitoring for websites and APIs▲17

    2019 · pingstack.io

22. 22CC
    Cross Cloud Latency – A tool that measures latency from AWS to GCP▲46

    2017 · cclatency.com

23. 23GH
    Global HTTP Latency Test▲34

    2013 · geoping.com

24. 24ND
    Netlora diagnose bufferbloat and why fast internet feels slow▲6

    Jun 2026 · getnetlora.com

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