letsdatascience.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-19 · ok HTTP/1.1 200 1464 ms crawled 2026-05-07

US · 188.114.97.3 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

Let's Data Science - Learn Data Science, Machine Learning & AI

Description

Master data science with interactive coding challenges and LDS Mentor — an AI tutor for SQL and Python with two modes: Learn Mode guides you Socratically, Interview Mode gives direct patterns and code skeletons for fast interview prep.

Language

Canonical

https://letsdatascience.com

Feeds

Let's Data Science - AI News Feed RSS

Open Graph

url: https://letsdatascience.com
title: Let's Data Science - Learn Data Science, Machine Learning & AI
locale: en_US
site name: Let's Data Science
description: Master data science with LDS Mentor AI — Learn Mode guides you Socratically, Interview Mode gives direct patterns and code skeletons. 1,500+ SQL and Python challenges across 15 industry domains.

Technology

CDN: Cloudflare
CMS: Next.js

Analytics

Google Tag Manager

Third-party hosts loaded (3)

cdn.sanity.io×1
vbrclococxvgoeqefkzf.supabase.co×1
www.googletagmanager.com×1

Social

Registration

Registrar

HOSTINGER operations, UAB

Created

2021-01-09

Expires

2027-01-09 233 days left

Updated

2026-05-02

Name servers

anuj.ns.cloudflare.com
vida.ns.cloudflare.com

DNS records live

NS

anuj.ns.cloudflare.com
vida.ns.cloudflare.com

MX

10 mx2.hostinger.com
5 mx1.hostinger.com

Email authentication strong

SPF: v=spf1 include:_spf.mail.hostinger.com ~all
softfail (~all)
DMARC: v=DMARC1; p=none
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

from 2026-05-02 to 2026-07-31

Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 80/100 Checked live page: https://letsdatascience.com/

present

strict-transport-security
content-security-policy-report-only
x-frame-options
x-content-type-options
referrer-policy
permissions-policy

findings

missing Content Security Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
permissions-policy: camera=(), microphone=(), geolocation=()
x-content-type-options: nosniff
strict-transport-security: max-age=63072000; includeSubDomains; preload
content-security-policy-report-only: default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval' https://www.googletagmanager.com https://www.google-analytics.com https://cdn.vercel-insights.com https://va.vercel-scripts.com https://cdn.jsdelivr.net; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://cdn.jsdelivr.net; img-src 'self' data: blob: https: http:; font-src 'self' https://fonts.gstatic.com https://cdn.jsdelivr.net; connect-src 'self' https: wss:; media-src 'self' https: blob:; worker-src 'self' blob:; child-src 'self' blob:; frame-src 'self'; object-src 'none'; base-uri 'self'