Security Scan Report: readwise.io

Site favicon
Submitted: Jul 22, 2026, 12:23:52 PMCompleted: Jul 22, 2026, 12:25:24 PMpubliccompleted
Loading additional data...

Summary

This website contacted 9 IPs in 2 countries across 9 domains to perform 2 HTTP transactions. The main domain is readwise.io and was registered NaN years ago.

Submitted URL: https://readwise.io

The Cisco Umbrella rank of the primary domain is #94,275 of the top 1 million websites

AI Security Verdict

Low Risk

Confidence: 92%

2
Risk Score

The site is a legitimate service with standard login/signup forms and no malicious indicators; low risk.

Safety Factors
Self‑branding matches domain
Established domain age and reputable ranking
Physical address and legal pages (terms/privacy) visible
Forms submit to same‑origin endpoints
No external credential exfiltration observed
Domain age information unavailable

Details

Page Title

Readwise

Scan Type

public

Language

🇺🇸

English

(80% confidence)

Category

education learning

(65%)

Domain Information

Within the British Indian Ocean Territory country-code top-level domain (.io), 'readwise.io' is registered without a subdomain. The second-level label 'readwise' is 8 characters long holding 4 vowels versus four consonants. Word splitting yields 2 words: read, wise. Median word length comes out to 4 characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://readwise.io

Page Load Overview

3.88s
Total Load Time
78
HTTP Requests
17
Domains
6.7 MB
Total Size

Language Analysis

Primary Language

🇺🇸English
Code: en
Confidence:80%
Script:Latin
Direction:ltr

Detection Details

Language Code:en
Detection Confidence:80%
Script Type:Latin
HTML Lang Attribute:en
Text Length:2,558 chars
Detector Agreement:100%

Website Classification

Primary Category

education learning65% confidence
Type: spa
Method: ml+structural

All Detected Categories

education learning
65%
news media journalism
39%
government public service
36%
adult content
36%
documentation technical
30%

Detected Features

Login Form
OG: summary

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
14104.18.94.41Cloudflare · WAFUnited States
AS13335Cloudflare, Inc.
823.197.128.101Frankfurt am Main, Hesse, Germany
AS20940Akamai International B.V.
8142.251.14.95Google · CDNUnited States
AS15169Google LLC
8104.17.208.5Cloudflare · WAFUnited States
AS13335Cloudflare, Inc.
8192.178.170.95Google · CDNUnited States
AS15169Google LLC
8172.67.69.113Cloudflare · WAFUnited States
AS13335Cloudflare, Inc.
852.216.49.97Aws · CLOUDAshburn, Virginia, United States
AS16509Amazon.com, Inc.
8104.17.24.14Cloudflare · WAFUnited States
AS13335Cloudflare, Inc.
8172.67.142.245Cloudflare · WAFUnited States
AS13335Cloudflare, Inc.
789--

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T1E3B32BA6ACD2307706E3D0A6E0BB661DFE1190639C55C981B5FCCBE43F44CA6613B96C

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

1536:0BAWIh9s18IDgKESlV9KiiN3gd+R5YCmsCh3XTfiqLMvuC1k2FlI7O/UGJ:aAWIhNkKiqQd3rh+fvuC22Fb/

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:114900:GAKCYbAElJGPQUVmpgCwKUDRBBOACIPBQaUIiWGqAGeDqIMCRKgEAAU6OoGcjRFaEQogtleVIREGJdFgCQgrH4AKQiQpAFOA

These hashes enable detection of similar websites and malware variants by comparing content similarity even when exact matches aren't found.

Image Hashes

Perceptual Hashes

Average Hash:ffe7c3dbdbdbc3c7
Perceptual Hash:b0c7b2cacd349b32
Difference Hash:570e8eb2b2b29e1e
Wavelet Hash:95c3c3c3c3c3c387
Color Hash:#9740bf

Other Hashes

Scan History

Scan history not available

Unable to load historical scan data