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.

Pricing

Price Starts At:
€23/month
Price Overview:
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:
Free Version available.

Integrations

Offers API?:
Yes, PerfDelta provides an API
All PerfDelta Integrations
Similar Software to PerfDelta
UptimeRobot Reviews & Ratings
UptimeRobot
(880 Ratings)
Experience the premier uptime monitoring solution that offers 50 monitors with 5-minute intervals at no cost. Setup takes mere seconds, ensuring you remain updated on your website's performance continuously. Website monitoring provides immediate notifications if your site experiences downtime, allowing for prompt resolution of issues to safeguard user experience and revenue. With SSL certificate monitoring, you can prevent visitor loss from expired certificates by receiving alerts 30 days before expiration, ensuring timely renewal. Ping and port monitoring allows you to verify server availability and the functionality of your email service on port 465, while offering real-time alerts for any monitored port. Cron job monitoring ensures that scheduled tasks are tracked effectively with heartbeat checks, confirming that both server-side jobs and connected devices operate as intended. You can create up to 100 customized status pages, secure them with passwords, and allow subscribers to receive real-time updates on operational status. Stay connected through various notification channels, including email, SMS, voice calls, push alerts, or integrations with platforms such as Slack, Zapier, PagerDuty, Telegram, Discord, Microsoft Teams, and Google Chat, among others. Additionally, you have the option to pause monitoring during planned maintenance to eliminate unnecessary alerts and streamline your monitoring experience.
Learn more
Uptime.com Reviews & Ratings
Uptime.com
(479 Ratings)
Uptime.com offers exceptional website monitoring services that enhance visibility and ensure availability, enabling engineering, operations, and SRE teams to effectively track and address their critical services. Our features, which are simple to use and of enterprise-grade quality, are consistently enhanced and offered at a competitive price. For multiple years running, we have been acknowledged by platforms such as G2, Sourceforge, and TechRadar Pro as one of the finest uptime monitoring solutions globally. Experience our services with a completely free trial to see the difference for yourself.
Learn more
PageWatch Reviews & Ratings
PageWatch
Keep a close watch on updates throughout your website to proactively identify and fix issues before your audience faces them. Spotting visual inconsistencies on each page is essential for ensuring a seamless user experience, given that research shows that almost 85% of users may abandon a site if they come across errors. It's crucial to comprehend how recent changes affect your site and to uncover any unexpected outcomes early to prevent potential complications. PageWatch employs Lighthouse technology to analyze your website for performance issues that could hinder conversion rates. This user-friendly front-end testing tool allows you to assess any website for a range of problems, such as performance deficiencies, layout inconsistencies, typographical errors, broken links, and more. You can easily integrate PageWatch into your continuous integration process, enabling you to assess your site with each pull request or deployment, thus swiftly addressing any emerging issues. Moreover, our Netlify build plugin supports automatic PageWatch audits from pull request previews or production builds, guaranteeing that quality is consistently upheld. Utilizing PageWatch not only boosts the reliability of your website but also greatly enhances user satisfaction. Ultimately, a well-monitored site fosters greater trust and encourages users to engage more deeply with your content.
Learn more
CloudQA Reviews & Ratings
CloudQA
(2 Ratings)
CloudQA is an advanced automation solution that leverages no-code and low-code methodologies to enhance the efficiency of regression testing and the ongoing monitoring of web applications. Users can effortlessly type, click, and engage with their website as they usually would, while our recorder captures every interaction during the navigation process. There's no need to be concerned about intricate components such as dynamic elements or nested iFrames. Our intelligent and user-friendly script maintenance features a visual editor that enables you to oversee your testing and monitoring scripts seamlessly. It generates adaptive test models that automatically adjust to any modifications in your application. Moreover, utilizing simple JavaScript along with selected variable data sets allows for the automation of even the most complex steps. The automation accelerators are designed to be infrastructure-free and require no setup, ensuring there are no long-term commitments or lock-in effects. Experience high-volume, parallel, scalable, and collaborative cloud testing with ease. Our platform supports both legacy systems and the latest web technologies right out of the box. Additionally, you can execute your tests in real-time and share both summary and comprehensive reports complete with screenshots. Custom notifications can be set up by integrating with your existing tech stack, enhancing your overall testing experience. This comprehensive approach guarantees that your web applications are thoroughly tested and monitored without unnecessary complications.
Learn more

Screenshots and Video

Play Video Field Data table comparing mobile and desktop Core Web Vitals across sample URLs. PageSpeed score measurement history with mobile and desktop scores by URL. Competitor comparison table for mobile Core Web Vitals and diagnostic metrics. Page Weight table breaking down images, scripts, media, and other assets by URL. Smartphone performance trend dashboard for LCP, INP, CLS, FCP, and TTFB. Optimization Actions page listing prioritized performance recommendations and estimated savings.

Company Facts

Company Name:
PerfDelta
Date Founded:
2026
Company Location:
Berlin, Germany
Company Website:
perfdelta.com
Edit This Page

Product Details

Deployment
SaaS
Training Options
Documentation Hub
Support
Web-Based Support

Product Details

Target Company Sizes
Individual
1-10
11-50
51-200
201-500
501-1000
1001-5000
5001-10000
10001+
Target Organization Types
Mid Size Business
Small Business
Enterprise
Freelance
Nonprofit
Government
Startup
Supported Languages
English
German

PerfDelta Categories and Features

Website Monitoring Software

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

Speed Test Website

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.