What does StackOptic analyze?

StackOptic runs 18 analysis modules on any public website from a single URL. It detects 7,000+ technologies (CMS, frameworks, analytics, payments, CDN, hosting), evaluates SSL certificates and HTTP security headers with grades from A+ to F, measures Core Web Vitals (LCP, CLS, TBT, FCP), audits SEO meta tags and structured data, checks email security (SPF, DKIM, DMARC), analyzes AI & LLM readiness including bot access and llms.txt validation, extracts color palettes and typography, estimates carbon footprint, and generates permanent shareable reports.

Does it work on sites behind Cloudflare or bot protection?

Yes. StackOptic uses a real browser engine that loads pages exactly like a human visitor — executing JavaScript, rendering CSS, and handling redirects. This allows it to bypass Cloudflare, LiteSpeed, Sucuri, and other bot protection systems where traditional crawlers and HTTP-only tools fail.

What do I get on the free plan?

The free plan includes 5 analyses per day with access to all 18 modules, full scores, technology detection, and security grades. Every report is permanently accessible via a unique shareable URL — no login required to view. No credit card needed. AI-powered insights, re-analysis, PDF/JSON export, and comparison features are available on Pro ($24/mo) and Agency ($99/mo) plans.

What is AI & LLM readiness analysis?

This module evaluates how visible and citable your website is to AI search engines like ChatGPT, Perplexity, Google AI Overviews, and Claude. It audits access permissions for 8 major AI bots, validates llms.txt and llms-full.txt files, scores citation-ready content structure, and analyzes structured data (JSON-LD) for GEO readiness — helping you rank in the next generation of search.

How long does an analysis take?

Most analyses complete in under 10 seconds. StackOptic runs all 18 modules in parallel using a real browser session, so you get technology detection, security audit, performance metrics, SEO analysis, and AI readiness scoring simultaneously.

How accurate are the results?

Detection is based on real browser execution — DOM inspection, JavaScript runtime analysis, HTTP headers, and DNS records. With 7,000+ technology signatures and Lighthouse-calibrated performance scoring, StackOptic achieves high accuracy for mainstream technologies.

What security checks are performed?

The security module evaluates SSL/TLS certificates, 12+ HTTP security headers (HSTS, CSP, X-Frame-Options, Permissions-Policy, Referrer-Policy), HTTPS enforcement, and email authentication (SPF, DKIM, DMARC). Each site receives a letter grade from A+ to F with specific remediation steps.

Do you store the websites I analyze?

StackOptic only stores publicly available information that any visitor to a website would see — HTML content, HTTP headers, DNS records, and screenshots. We do not access private data, log in to websites, or perform any intrusive testing.

Back to Search

bitsdujour.com

https://bitsdujour.com· First analyzed 13 Feb 2026· Updated 13 Feb 2026

Export

bitsdujour.com

Mobile

Sponsored

Hosting Provider

Microsoft Azure

azure.microsoft.com

IP Address

172.214.183.118

Server Location

🇺🇸 Chicago, United States

ASN

AS8075

Organization

Microsoft Azure Cloud (northcentralus)

Server

Microsoft IIS

Nameservers

ns-1568.awsdns-04.co.uk.ns-219.awsdns-27.com.ns-831.awsdns-39.net.ns-1461.awsdns-54.org.

Performance

Page Speed

618 KB

82 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Microsoft Azure

Technology Stack

12 Technologies Detected

Analytics

Frameworks

Advertising

Google Ads Google AdSense

Meta Frameworks

Libraries

UI Components

CSS Frameworks

Web Servers

SEO Analysis

C64/100

bitsdujour.combitsdujour.com

PC Software Download Deals

No description available for this page.

Title Length26 chars

Recommended: 50-60 chars

Description Length0 chars

Recommended: 120-160 chars

Issues (1)

• Missing meta description - important for click-through rates

4 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

14 rules

Sponsored

Security Score

21%Critical

Interactive

HTTPS

No WAF

295d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Sectigo Limited

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

04.11.2025

Valid Until

05.12.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

www.bitsdujour.combitsdujour.com

SHA-256 Fingerprint

D5:8C:C7:1C:05:83:A8:E0:4D:5B:69:93:5B:E4:84:95:F5:A5:4A:43...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

cache-control

🟣 Private(private)

content-encoding

📦 Gzip(gzip)

content-length

29872

content-type

text/html; charset=utf-8

date

Fri, 13 Feb 2026 10:00:45 GMT

expires

Thu, 12 Feb 2026 10:00:46 GMT

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (5)

aspmx2.googlemail.com

alt1.aspmx.l.google.com

aspmx3.googlemail.com

aspmx.l.google.com

+1 more

Domain Information

bitsdujour.com

Domain Age

20y 1m

Created

31.12.2005

Expires

31.12.2026

Last Updated

24.12.2025

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

HelveticaNeueBoldCondensed + HelveticaNeue

75/100

Readability

/30

32/40

15px · LH 1.47

Hierarchy

/20

25/25

2x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

10/20

3 fonts

Heading Font

HelveticaNeueBoldCondensed

Sans30px

Body Font

HelveticaNeue

Sans15px

Contrast Ratio

Reading Comfort

~43 CPL

Needs attention

30px

18px

21px

15px

⚠️ Small text: 15px may be hard to read on mobile. Consider 16px+.

✅ Optimal line spacing: 1.47 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.0x larger than body text.

✅ Protected text on images: Using gradient for readability.

⚠️ Cramped layout: 13 elements lack adequate spacing.

Buy on MyFonts

Business & Marketing Stack

5 Tools Detected

Enterprise

Behavior Analytics

Google AnalyticsFree

Google Tag ManagerFree

User behavior and product analytics

Advertising

Google AdsEnterprise

Facebook PixelMid-Market

Ad platforms and retargeting pixels

Social Media

Facebook SDKFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

17 Resources

Scripts

Styles

Async

Defer

Top Script Sources

connect.facebook.net(2)pagead2.googlesyndication.com(2)cdnjs.cloudflare.com(2)google-analytics.com(1)local(1)

Website Identity

bitsdujour.com

20 years old

GoDaddy.com, LLC📧 Google Workspace

Social Profiles

Facebook

Sponsored

Last analyzed: 13 Feb 2026 at 10:01

Historical Analysis & Change Tracking