CellWall Logo

Recaptcha En

Google

Security
Good
v08a38a98
A service that protects websites from spam and abuse by distinguishing human users from bots through advanced risk analysis.
Updated 10/20/2026
https://www.gstatic.com/recaptcha/releases/4EDjxXf4knsT8wRTp1lOoMFE/recaptcha__en.js
Overall Score
90

Recorded Observations

5

For this resource version

File Size

349.64 KB

Download size

Load Time

1016.15ms

Network latency

Execution Time

0.00ms

Runtime performance

Version Telemetry

Version Timeline

Visual representation of each version's active period

Metrics Over Time

Security score, performance score, and file size trends

0255075100v08a3Normalized ScoreVersion
Security Score
Performance Score
File Size (KB)

Uptime History

Average response time over time

Version History Details

Detailed information for each version

v08a38a98Latest
Span: 4 days
Score: 85
Size: 349.64 KB

Exposure & Risks

Security Score

Overall Security85 / 100
Security RatingGood

Risk Assessment

Critical Risks1
Total Observations1

Security Rating

Good
No significant behavioral concerns were detected in the available observations.

Behavioral Concerns

Large Transfer Size

Detects if a resource has a large transfer size, which might impact performance.

Security Observations

Security-related findings from analysis

No security observations recorded for this version

Privacy & Data Flow

Data Collection

Cookies and local storage used by this script

Cookies

_GRECAPTCHA6 months
Stores a user token for reCAPTCHA validation, helping to distinguish between humans and bots. It also helps to prevent replay attacks.

Third-party Connections

External domains this script connects to

No external connections detected

Permissions Required

Browser permissions and capabilities used

user profilestoragenetwork

Privacy Observations

Privacy-related findings from analysis

No privacy observations recorded for this version

Technical & Performance Analytics

Load Performance

File Size349.64 KB
Load Time1016.15ms

Runtime Performance

Execution Time0.00ms
Network Requests0

Impact Assessment

Good
Minimal performance impact on page load

Performance Observations

Performance-related findings from analysis

No performance observations recorded for this version

Global Variables

Variables added to the global scope

recaptchascrypt

Event Listeners

Events this script listens for

No event listeners detected

Browser API Access

APIs and browser features accessed by this script

navigator.userAgentlocalStorage.getItemlocalStorage.setItemlocalStorage.removeItemXMLHttpRequestXMLHttpRequest.openXMLHttpRequest.send

Technical Details

Compressed
Yes
CDN Delivery
Yes
Recorded Observations
5
Is Mirror
No
Network Requests
0
Resource Hash
08a38a985c57a84f8383887ecbd36474d521207d19ef5b6d79444bce0949c9be

AI Insights & Alternatives

Description

A comprehensive overview of this resource

reCAPTCHA is a free service from Google designed to help protect websites from spam and abuse. It uses advanced risk analysis techniques to distinguish between human users and automated bots. This script integrates the reCAPTCHA challenge mechanism into web pages, allowing websites to verify legitimate user interactions while blocking malicious automated traffic. The script typically operates by observing various user behaviors, such as mouse movements, typing patterns, and other interactions on the page, to assess the likelihood of bot activity. Depending on the reCAPTCHA version implemented, it may operate silently in the background (e.g., reCAPTCHA v3) or present explicit challenges like image puzzles or a simple 'I'm not a robot' checkbox (e.g., reCAPTCHA v2). It injects the necessary HTML elements and JavaScript logic to render the reCAPTCHA widget and communicates with Google's reCAPTCHA servers to process and verify user responses.

Key Features

Core functionalities and capabilities of this resource

  • Bot Protection
  • Spam Prevention
  • Fraud Detection
  • User Verification
  • Advanced Risk Analysis
  • Invisible Challenges

Alternatives

Similar libraries you might consider

Documentation & Resources

Official Documentation