Xfinity Speed TestXfinity
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Related Products
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About
PerfDelta is a web-based website speed testing and monitoring service for SEO specialists, agencies, and in-house web teams. Its free test scans up to three pages on mobile and desktop, combining real-user Core Web Vitals from the Chrome UX Report with Lighthouse lab measurements. Reports compare a site with up to two competitor domains and a benchmark of previously tested sites, show page-weight breakdowns and request timelines, identify site technologies, and estimate savings in prioritized recommendations naming affected files. Paid plans add scheduled monitoring, performance budgets, email alerts, report history, and PDF exports; Agency and Scale plans also provide CSV export, public dashboards, and a REST API. MCP access lets compatible AI agents request tests and retrieve results. Reports can be shared with clients for performance audits and ongoing site work.
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About
We will measure the speed from our servers to this computer. Results are often less than plan speed due to WiFi conditions and device capabilities. It is important to differentiate between the speed of the Internet connection “to your home” and the speed reached by an individual device “within your home” because they are two very different measurements. Internet speed tests, like this one or the test found at SpeedTest , measure the latest or the speed reached by the device running the test. The results of this test are often less than the speed of your plan due to several factors beyond the control of your Internet provider, including WiFi conditions and device capabilities. Good coverage means that your device is receiving a strong Wi-Fi signal. That strong signal also offers as much speed as your device can handle. The further you move away from your gateway (modem or router), the more the signal strength decreases, slowing download and upload speeds and reducing coverage.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
SEO specialists, agencies, and in-house web teams.
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Audience
Any user searching for an online solution to measure the speed of their Internet connection
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
€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
Free Trial
Not Supported
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Pricing
No information available.
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationPerfDelta
Founded: 2026
Berlin, Germany
perfdelta.com
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Company InformationXfinity
United States
speedtest.xfinity.com
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Alternatives |
Alternatives |
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CategoriesPageSpeed Insights tests one URL and shows one score. PerfDelta tests three pages per run, puts the results next to up to two competitors and a benchmark of every domain tested so far, and keeps the history of every measurement. The free test needs no account. Core Web Vitals monitoring with competitor benchmarks and alerts. Paid plans monitor 25 to 500 URLs daily or weekly, every 6 hours from Agency, with daily CrUX field data, 3 to 10 tracked competitors, performance budgets per project and URL, email alerts when a score drops by 10 points or more and a weekly report. |
Categories |
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Website Monitoring Features
Availability Testing
Not Supported
Event Logs
Not Supported
Event-Based Notifications
Supported
FTP Monitoring
Not Supported
Mail Server Monitoring
Not Supported
Maintenance Scheduling
Not Supported
Performance Metrics
Supported
Real Time Monitoring
Not Supported
Transaction Monitoring
Not Supported
Uptime Reporting
Not Supported
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Integrations
ChatGPT
Supported
Claude
Supported
Cursor
Supported
Google PageSpeed Insights
Supported
Lighthouse
Supported
MetricFire
Not Supported
Model Context Protocol (MCP)
Supported
Zapier
Supported
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Integrations
ChatGPT
Not Supported
Claude
Not Supported
Cursor
Not Supported
Google PageSpeed Insights
Not Supported
Lighthouse
Not Supported
MetricFire
Supported
Model Context Protocol (MCP)
Not Supported
Zapier
Not Supported
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