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.

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vagaro.com

https://vagaro.com· First analyzed 17 Feb 2026· Updated 17 Feb 2026

Export

vagaro.com

Sponsored

Hosting Provider

Incapsula Inc

IP Address

45.60.115.16

Server Location

🇺🇸 San Mateo, United States

ASN

AS19551

Organization

Incapsula Inc

CDN

Nameservers

ns2.rackspace.com.ns.rackspace.com.

Performance

Page Speed

344 KB

141 requests

Image Optimization

Lazy LoadWebP

0–49

50–89

90–100

Architecture Stack

Headless

⚙️ SSR

Decoupled

API

Data Source

Headless CMS

Strapi

Infrastructure

Hosting

Incapsula Inc

CDN

Detected API Sources

https://maps.googleapis.com/ma...

Technology Stack

12 Technologies Detected

Analytics

Google Analytics

Google Analytics 4

Amplitude

Fonts

Google Fonts Adobe Fonts (Typekit)

Frameworks

Meta Frameworks

Libraries

CSS Frameworks

Icon Libraries

Tag Managers

Customer Support

SEO Analysis

B76/100

vagaro.comvagaro.com

Book Your Next Salon, Spa, Or Fitness Appointment | Vagaro

Find your next salon, spa, or fitness professional. Read & post reviews. Schedule an online appointment 24/7 for haircuts, coloring, nail care, skin care, ma...

Description truncated.

Title Length58 chars

Recommended: 50-60 chars

Description Length214 chars

Recommended: 120-160 chars

Issues (0)

4 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

88 rules

Allows all crawlers

Sponsored

Security Score

61%Fair

Interactive

HTTPS

WAF

167d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

GlobalSign nv-sa

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

05.02.2026

Valid Until

04.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (7)

api.vagaro.com*.bookitall.com*.zenswipe.combookitall.comvagaro.comimperva.com*.vagaro.com

SHA-256 Fingerprint

88:80:BA:3E:53:7C:1C:55:FC:BA:FD:C4:31:FA:A9:27:16:C8:2C:42...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

access-control-allow-headers

accept, content-type

access-control-allow-methods

access-control-allow-origin

https://api.vagaro.com

access-control-expose-headers

Request-Context

cache-control

🟣 Private(private)

content-encoding

📦 Gzip(gzip)

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

100

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

vagaro-com.mail.protection.outlook.com

Domain Information

vagaro.com

Domain Age

17 years

Created

02.02.2009

Expires

02.02.2035

Last Updated

05.03.2025

Registrar

DNSSEC

Not Enabled

Privacy & Compliance

Osano

Cookie Consent Banner

Osano

GDPR Indicators

Cookie consent banner detected

CMP: Osano

Data Protection Officer mentioned

Typography & Readability

proxima-nova + Helvetica

68/100

Readability

/30

25/40

16px · LH 1.00

Hierarchy

/20

25/25

2x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

2 fonts

Heading Font

proxima-nova

Sans32px

Body Font

Helvetica

Sans16px

Contrast Ratio

Reading Comfort

~93 CPL

Needs attention

32px

20px

24px

16px

✅ Excellent readability: 16px body text is ideal for all devices.

⚠️ Tight line spacing (1.00). Consider 1.4-1.6 for better readability.

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

✅ Good performance: Using 2 font families keeps load times fast.

✅ Smart font loading: Using font-display: swap prevents invisible text during load.

✅ Protected text on images: Using gradient for readability.

GGoogle Fonts AAdobe Fonts Buy on MyFonts

Business & Marketing Stack

6 Tools Detected

Enterprise

Behavior Analytics

AmplitudeMid-Market

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

OsanoMid-Market

Cookie consent and privacy compliance tools

Social Media

Pinterest WidgetsFree

Twitter/X WidgetsFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

22 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(3)maps.googleapis.com(3)vagaro.azureedge.net(3)cdn.jsdelivr.net(2)assets.pinterest.com(1)

Website Identity

vagaro.com

17 years old

Social Profiles

Facebook X (Twitter)Instagram YouTube Pinterest

Sponsored

Last analyzed: 17 Feb 2026 at 19:07

Historical Analysis & Change Tracking