Cloudflare Optics

Provides connection and security information when visiting sites, especially sites using Cloudflare.

Users10K

Rating5.0

Reviews7

Manifest versionV3

7-day growth0

7-day growth rate0%

Preview

Cloudflare Optics Media preview

2 assets

Trend

30-day user trend

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User Growth Over Time

Rating trend

30-day rating change

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30-day rating change

Start

5.00

Latest

5.00

30-day rating change

0.00

2026年5月29日2026年6月4日

Growth overview

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1-day growthFlat

00%

7-day growthFlat

00%

30-day growthFlat

00%

Technical snapshot

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Version1.1.0.2 (Annabelle)

ManifestV3

Size30.08KiB

Languages1English (United States)

Published--

Store updated--

Last crawled--

Overview

Product summary

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Optics is a browser extension created by Cloudflare, Inc. that provides connection and website information to the user about the website that they are visiting. If the website is also using Cloudflare to proxy its web traffic, Optics may also provide additional information about Cloudflare-specific capabilities being leveraged by the user. For more information, review the section "Optics Behavior Outline" below.

By using Optics, you agree to Cloudflare’s Website and Online Services Terms of Use (https://www.cloudflare.com/website-terms/) and acknowledge Cloudflare’s Privacy Policy (https://www.cloudflare.com/privacypolicy/).

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Optics Behavior Outline:

1) The Optics browser extension locally inspects the incoming responses from websites visited in your browser and runs a small snippet of code in each webpage you visit solely to establish whether HTTP version 1, 1.1, 2, or 3 was used by the website.

2) The extension determines whether the website is being proxied by Cloudflare by evaluating the website's IP address and "server" response header against known valid Cloudflare configurations.

Reviews

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The Chrome Web Store shows 7 reviews, but only 0 review bodies have synced into ExtScope so far. Showing the synced reviews available right now.

5★

4★

3★

2★

1★

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AI product read

Browser extension that provides real-time connection and security information about websites, with enhanced details for Cloudflare-proxied sites.

Helps users and developers understand the technical details of their web connections - including HTTP protocol version, TLS encryption status, compression, server IP, Cloudflare proxy status, datacenter location, and Cloudflare One (WARP/Gateway/RBI) usage - that are normally invisible in the browser.

1) Extension listens to all web requests via chrome.webRequest.onCompleted API. 2) For each main_frame request, it inspects response headers for Cloudflare indicators (server=cloudflare, cf-ray, cf-cache-status, cf-biso-version, content-encoding). 3) It validates the server IP against embedded Cloudflare IP ranges (IPv4 and IPv6 CIDR blocks). 4) It fetches /cdn-cgi/trace from the visited site to get additional Cloudflare data (user IP, WARP status, gateway status, TLS key exchange method). 5) Content script uses Performance API to determine HTTP protocol version. 6) All data is displayed in the popup when the user clicks the extension icon.

Target users: Web developers debugging connection issues / Network/security engineers analyzing site infrastructure / Cloudflare customers verifying their site configuration / Privacy-conscious users wanting to understand connection security / IT professionals evaluating site security and protocol usage

Monetization

No paid features detected

No payment logic, subscription checks, premium feature gating, Stripe/payment processor integrations, or billing APIs found anywhere. All keyword hits were false positives: 'pro' appeared in 'proxy', 'protocol', 'proxied' contexts; 'license' was the Apache-2.0 open-source license comment. The extension provides all its features unconditionally to all users.

Confidence: 98
Payment platform: --
Source: AI / High
Login required: No
Reason: The extension has no login UI, no authentication flows, no OAuth, no account creation, and no calls to any authentication APIs. It operates entirely locally by passively inspecting HTTP response headers and web request data. The 'auth' keyword hit was a false positive from 'author' in manifest.json. The 'jwt' keyword hit was a false positive from base64-encoded metadata in verified_contents.json.

Permission risk

High-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

扩展能力较强：tabs、webRequest
主机权限覆盖范围较宽
同时具备浏览数据与站点访问能力

Publisher

Cloudflare

Independent publisher

Email: [email protected]
Phone: +31630862935
Address: --

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Permissions

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