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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.

What is Enterramon Pro?

Enterramon assesses websites similarly to how a genuine browser operates, offering ratings based on a range of criteria including performance, security, SEO, caching, and accessibility. Tailored for developers and agencies, this tool enables users to create shareable reports for clients, prospects, or internal teams. The complimentary features encompass: - On-demand testing from five distinct regions (currently available) - Thorough scoring across all five evaluation categories - Acquisition of screenshots captured during the page loading sequence for both desktop and mobile platforms - In-depth information on server technology and network configurations - Waterfall analysis for better understanding of loading times - A selection of useful mini-tools for enhanced functionality Pro features enhance the user experience with: - Automated daily assessments for every site covered by your subscription - Monitoring options for as many as 100 sites - Alerts regarding domain and SSL certificate expirations - Notifications for any changes in site status - Customizable reports generated weekly or monthly, featuring trend insights Before a meeting, consider using a free report on a potential client’s website to pinpoint current issues and commendable aspects. The Pro version takes this a step further, transforming the report into a consistent performance proof for ongoing clients, complete with trend graphs and comparative scores that illustrate progress over time. This all-encompassing strategy not only uncovers existing challenges but also effectively highlights improvements, ensuring clients are well-informed of their website's performance trajectory.

Media

Media

Integrations Supported

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

Integrations Supported

API Availability

Has API

API Availability

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

Pricing Information

$4.95/month
Free Version
Free Trial Offered?

Supported Platforms

SaaS

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

PerfDelta

Date Founded

2026

Company Location

Berlin, Germany

Company Website

perfdelta.com

Company Facts

Organization Name

EnterraHost

Date Founded

2025

Company Location

South Africa

Company Website

enterramon.com

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

Categories and Features

Website Monitoring

Availability Testing
Event-Based Notifications
Performance Metrics
Real Time Monitoring
Uptime Reporting

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