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

foodallergy.org

https://foodallergy.org· First analyzed 20 Feb 2026· Updated 20 Feb 2026

Export

foodallergy.org

Sponsored

Hosting Provider

Fastly, Inc.

IP Address

151.101.194.132

Server Location

🇨🇦 Montreal, Canada

ASN

AS54113

Organization

Fastly, Inc.

CDN

Fastly

Nameservers

ns34.domaincontrol.com.ns33.domaincontrol.com.

Performance

Page Speed

5.4 MB

113 requests

Image Optimization

Lazy LoadResponsiveUploadcare

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Drupal

Technology Stack

13 Technologies Detected

Advertising

Google Ads Twitter Ads LinkedIn Ads TikTok Pixel Outbrain

Analytics

Libraries

CSS Frameworks

Fonts

Tag Managers

SEO Analysis

B70/100

foodallergy.orgfoodallergy.org

FoodAllergy.org

FARE is the largest private funder of food allergy research advocating on behalf of more than 33 million Americans living with life-threatening food allergies.

Title Length15 chars

Recommended: 50-60 chars

Description Length159 chars

Recommended: 120-160 chars

Issues (0)

4 issues found

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Crawlability

Sitemap

Type: standard

1,784 URLs

robots.txt

53 rules

Sponsored

Security Score

56%Poor

Interactive

HTTPS

No WAF

38d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

30.12.2025

Valid Until

30.03.2026

Subject Alternative Names (2)

*.foodallergy.orgfoodallergy.org

SHA-256 Fingerprint

36:E0:F8:58:D3:38:DC:67:F2:09:88:AD:84:62:8E:88:29:7E:7C:25...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

age

56648

cache-control

🔴 No Cache(no-store, no-cache, must-revalidate, max-age=0)

content-encoding

📦 Gzip(gzip)

content-language

content-length

13831

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

foodallergy-org.mail.protection.outlook.com

Domain Information

foodallergy.org

Domain Age

30y 4m

Created

27.10.1995

Expires

26.10.2026

Last Updated

10.12.2025

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

Data subject rights referenced

Typography & Readability

Montserrat + sans-serif

78/100

Readability

/30

32/40

15px · LH 1.70

Hierarchy

/20

25/25

6.93x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Montserrat

Sans104px

Body Font

sans-serif

Sans15px

Contrast Ratio

Reading Comfort

~35 CPL

Needs attention

104px

30px

22px

15px

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

✅ Optimal line spacing: 1.70 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 6.9x larger than body text.

✅ Good performance: Using 1 font families keeps load times fast.

✅ Consistent design: Single font family with weight variations is a modern best practice.

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

GGoogle Fonts

Business & Marketing Stack

10 Tools Detected

Enterprise

CRM Systems

SalesforceEnterprise

Customer Relationship Management platforms

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

HotjarMid-Market

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Twitter/X AdsMid-Market

LinkedIn AdsEnterprise

Pinterest AdsMid-Market

TikTok PixelMid-Market

Ad platforms and retargeting pixels

Social Media

Twitter/X WidgetsFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

26 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(4)connect.facebook.net(4)analytics.tiktok.com(3)s.pinimg.com(2)snap.licdn.com(2)

Website Identity

Facebook X (Twitter)Instagram LinkedIn YouTube TikTok

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Last analyzed: 20 Feb 2026 at 11:28

Historical Analysis & Change Tracking