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What is SpeedCurve?

Uncover how real users view the loading speed of your website and pinpoint potential enhancements in its performance. SpeedCurve focuses on examining the connection between web design and speed, offering tools for monitoring user experience that yield crucial insights into how visitors interact with your site. Our platform equips developers, designers, and managers with the ability to demonstrate user experience speeds to their teams, facilitating meaningful comparisons against rivals. This data is essential for making educated choices that improve web performance and secure support for enhancements within your organization. Moreover, recognizing which competitors excel can dramatically strengthen your arguments for performance-related initiatives. The process of setting up the platform is simple, enabling you to craft striking visual aids, such as side-by-side videos and filmstrips, to share with your colleagues. In addition, engagement metrics provide the opportunity to analyze your own data to see how page load times influence your site's bounce rate, ultimately informing your improvement strategies. By leveraging these insights, your team can effectively prioritize updates that will result in a more streamlined and user-friendly website experience. With a focus on continual improvement, your organization can remain competitive in an ever-evolving digital landscape.

What is PerfDelta?

PerfDelta serves as a specialized online platform aimed at assessing and monitoring website speed, specifically tailored for SEO experts, digital agencies, and internal web development teams. The free testing feature permits users to analyze up to three web pages on both mobile and desktop devices, utilizing real-user Core Web Vitals data derived from the Chrome UX Report in combination with metrics from Lighthouse labs. Its in-depth reports facilitate direct comparisons between a user’s website and up to two competitors, as well as benchmarks against previously analyzed sites, while also illustrating page weight distributions, timelines for requests, identifying the technologies employed, and offering prioritized recommendations that highlight estimated savings along with the relevant affected files. Those who choose to subscribe to paid plans gain access to extra features including scheduled monitoring, performance budgets, email alerts, historical reporting, and PDF exports, with Agency and Scale plans also providing CSV export capabilities, public dashboards, and a REST API for more advanced functionalities. Additionally, the platform's MCP access empowers compatible AI agents to effortlessly request tests and retrieve results. Clients can also share reports for performance evaluations and to aid in continuous website improvements, significantly enhancing the overall value of the service provided. This comprehensive offering makes PerfDelta an indispensable tool for those committed to optimizing their web performance.

Media

Media

Integrations Supported

Integrations Supported

ChatGPT
Claude
Cursor
Google PageSpeed Insights
Lighthouse
Model Context Protocol (MCP)
Zapier

API Availability

Has API

API Availability

Has API

Pricing Information

$114 per month
Billed annually
Free Trial Offered?

Pricing Information

€23/month
A free plan is available. The Solo plan costs €23/month net with monthly billing, or €230/year net with annual billing. Higher plans add scheduled monitoring, alerts, report history, exports, and API access.
Free Version

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Standard Support
Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training

Training Options

Documentation Hub

Company Facts

Organization Name

SpeedCurve

Date Founded

2013

Company Location

New Zealand

Company Website

speedcurve.com

Company Facts

Organization Name

PerfDelta

Date Founded

2026

Company Location

Berlin, Germany

Company Website

perfdelta.com

Categories and Features

Website Monitoring

Not specified

Categories and Features

Speed Test

PageSpeed Insights evaluates a single URL and provides a singular score. In contrast, PerfDelta examines three pages in each session, displaying results alongside up to two competing sites as well as a reference point based on all domains assessed to date. Additionally, it maintains a record of every measurement taken. The free testing option does not require an account.

Not specified

Website Monitoring

Monitor your Core Web Vitals alongside competitor comparisons and receive timely alerts. Our subscription plans allow for the tracking of 25 to 500 URLs either daily or weekly, with updates every 6 hours for agency accounts. You'll receive daily CrUX field data, the ability to track 3 to 10 rival websites, set performance budgets for individual projects and URLs, and get notified via email if a score decreases by 10 points or more. Additionally, a detailed report will be provided weekly.

Event-Based Notifications
Performance Metrics

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