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Loader.io VS PhearJS

Compare Loader.io VS PhearJS and see what are their differences

Netumo
Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues. featured
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Contents:
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Loader.io logo Loader.io

Loader.io is a simple cloud-based load testing service

PhearJS logo PhearJS

Render any dynamic Javascript webpage to JSON with PhantomJS.
  • Loader.io Landing page
    Landing page //
    2021-09-26
  • PhearJS Landing page
    Landing page //
    2018-10-17

Loader.io features and specs

  • Ease of Use
    Loader.io offers a straightforward and intuitive user interface, making it easy for users to set up and run load tests without a steep learning curve.
  • Quick Test Setup
    With Loader.io, you can quickly set up load tests by simply verifying your website, inputting the target URL, and defining parameters such as duration and the number of clients.
  • Scalability
    Loader.io allows you to scale your tests from a few clients to hundreds of thousands, accommodating different testing needs.
  • Free Tier
    Loader.io offers a free tier that allows users to perform basic load testing, which is great for small projects or initial testing phases.
  • Integration
    Loader.io integrates well with other services and CI/CD pipelines, enabling automated performance testing as part of your development workflow.

Possible disadvantages of Loader.io

  • Limited Test Duration
    The free tier and some lower-tier plans have limitations on the duration of load tests, which might not be sufficient for testing long-running processes.
  • Complex Scenarios
    Loader.io may not support highly complex testing scenarios out-of-the-box, such as tests requiring advanced scripting or multi-step transactions.
  • Resource Limitations
    High concurrency and load levels may require higher-tier plans, which can become costly for larger-scale testing.
  • Geographic Limitations
    There may be limitations on the geographical distribution of clients, which could affect tests intended to simulate traffic from varied regions.
  • Reporting
    While Loader.io provides basic reporting, it may lack the depth and customization options offered by some other performance testing tools, such as detailed analytics and advanced visualization features.

PhearJS features and specs

  • Ease of Use
    PhearJS provides an easy-to-use interface for web scraping, making it accessible to developers with varying levels of expertise.
  • JavaScript Rendering
    It can render JavaScript-heavy websites, which allows it to scrape modern sites that rely heavily on client-side scripting.
  • Proxy Support
    PhearJS supports the use of proxies, which can help in bypassing rate limits and accessing geo-restricted content.
  • Customizable
    The platform allows for customization in the scraping process, offering flexibility to users in handling various web scraping requirements.

Possible disadvantages of PhearJS

  • Limited Control
    While PhearJS is easy to use, the abstraction may limit control over some advanced settings compared to more code-intensive solutions.
  • Dependency on Phear.io
    Relying on a third-party service means users are dependent on the availability and reliability of Phear.io’s infrastructure.
  • Potential Cost
    Depending on usage, the cost of using PhearJS can add up, especially for large-scale scraping operations.
  • Learning Curve for Advanced Features
    Although it is generally easy to use, mastering advanced features may require time and experience.

Category Popularity

0-100% (relative to Loader.io and PhearJS)

Loader.io

PhearJS

Monitoring Tools
100 100%
Monitoring Tools
0% 0
Browser Testing
0 0%
Browser Testing
100% 100
Website Testing
82 82%
Website Testing
18% 18
Automated Testing
0 0%
Automated Testing
100% 100

User comments

Share your experience with using Loader.io and PhearJS. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Loader.io seems to be more popular. It has been mentiond 22 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.

Loader.io mentions (22)

  • express server failing after high number of requests in digital ocean droplet with high configuration
    I wanted to see how many requests can this server handle, so I have used loader.io and run10k requests for 15 seconds. But it seems 20% percent of request fail due to timeout, and the response time keep increasing. Source: almost 2 years ago
  • Why everyone says PostgreSQL better then mongo?
    I ran on the same hardware 5k current get requests through https://loader.io/ tool to the server with each db. Source: over 2 years ago
  • free-for.dev
    Loader.io — Free load testing tools with limitations. - Source: dev.to / over 2 years ago
  • How to stress test my website?
    We put 50 servers of puppets against 50 http servers and see who wins. Ever had 10,000 in your checkout line at once? loader.io is for posers. Also what if there's 250,000 wanting to join the checkout line. Well we can scale to the moon and not handle that. I recommend a waiting room like Queue It. Source: almost 3 years ago
  • Best Way to Benchmark Web Hosting?
    I've used what you said, identical setups (with Wordpress) and some plugins: WordPress Hosting Benchmark tool and WP Performance Tester plus some runs with loader.io. Source: almost 3 years ago
View more

PhearJS mentions (0)

We have not tracked any mentions of PhearJS yet. Tracking of PhearJS recommendations started around Mar 2021.

What are some alternatives?

When comparing Loader.io and PhearJS, you can also consider the following products

locust - An open source load testing tool written in Python.

Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.

Apache JMeter - Apache JMeter™.

Robot framework - Robot Framework is a generic test automation framework for acceptance testing and acceptance...

k6 Cloud - Managed load testing service built on top of the popular open-source project k6.

Screenster - 10x faster UI testing without a line of code.

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