CallSphere Inc
Unclaimed profileCallSphere: AI Voice & Chat Agents, Deployed for You
AI voice and chat agents, deployed for your business. AI receptionist plans from $19/mo; booking and workflows from $49/mo. Usage billed separately at cost.
Web health
84/100
measured 24/10/2026
Issues found
12
on their own site
Reviews
0
from clients on Dr Urls
What Dr Urls found on callsphere.ai
From the audit of their public home page on 24/10/2026, worst first. Each links to what it means and how it is fixed.
- highTime to First Byte (TTFB) is slow
TTFB directly impacts all subsequent loading metrics.
- mediumExcessive DOM size
A large DOM tree directly impacts Interaction to Next Paint (INP), a Core Web Vital.
- mediumRender-blocking CSS or JavaScript
Render-blocking resources directly impact First Contentful Paint (FCP) and Largest Contentful Paint (LCP), both Core Web Vitals metrics.
- lowETag header missing on resources
Without ETags, browsers cannot efficiently validate whether cached resources have changed.
- lowLink is named for screen readers but has no anchor text
Nothing is broken for users.
- lowMissing preconnect hints for critical origins
Each new origin connection requires DNS resolution, TCP handshake, and TLS negotiation, adding 100-300ms of latency.
3 security findings are not listed on this public page; the site's owner sees them in a full audit after claiming it.
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Figures on this page come from Dr Urls crawling callsphere.ai's public pages. Nothing here is taken from third-party listings.