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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servimg.com

https://servimg.com· First analyzed 16 Feb 2026· Updated 16 Feb 2026

Export

servimg.com

Sponsored

Hosting Provider

MCPECloud ISP

IP Address

87.98.180.46

Server Location

🇫🇷 Gravelines, France

ASN

AS16276

Organization

MCPECloud ISP

CDN

Cloudflare

WAF

Cloudflare

Nameservers

nile.ns.cloudflare.com.miki.ns.cloudflare.com.

Performance

Page Speed

235 KB

85 requests

0–49

50–89

90–100

Architecture Stack

Headless

⚙️ SSR

Decoupled

API

Data Source

Headless CMS

Strapi

Infrastructure

Hosting

MCPECloud ISP

CDN

Cloudflare

Detected API Sources

//cdn.id5-sync.com/api/1.0/id5...

Technology Stack

9 Technologies Detected

Libraries

Analytics

UI Components

CSS Frameworks

Icon Libraries

Fonts

Advertising

SEO Analysis

A+90/100

servimg.comservimg.com

Servimg.com - Free image hosting service

Servimg is a free image hosting and upload service. Our image sharing service allows you to upload, host and share images and photos to forums and blogs.

Title Length40 chars

Recommended: 50-60 chars

Description Length153 chars

Recommended: 120-160 chars

Issues (0)

1 issues found

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Crawlability

Sitemap

Type: standard

1,722 URLs

robots.txt

140 rules

Sitemap reference found

Allows all crawlers

Sponsored

Security Score

0%Critical

Critical / Transactional

HTTPS

No WAF

80d

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

07.02.2026

Valid Until

08.05.2026

Subject Alternative Names (2)

servimg.comwww.servimg.com

SHA-256 Fingerprint

06:EC:88:1A:71:39:BB:E1:A6:97:4C:E0:E0:AF:1A:5C:C8:62:50:88...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

date

Mon, 16 Feb 2026 13:09:55 GMT

content-type

text/html; charset=UTF-8

cache-control

🔴 No Cache(no-store, no-cache, must-revalidate, post-check=0, pre-check...)

pragma

no-cache

expires

Mon, 16 Feb 2026 00:00:00 GMT

last-modified

Mon, 16 Feb 2026 13:09:54 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (1)

mx.maxns.net

Domain Information

servimg.com

Domain Age

21y 9m

Created

17.05.2004

Expires

17.05.2029

Last Updated

03.09.2022

Registrar

GoDaddy.com, LLC

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

Typography & Readability

Roboto + sans-serif

75/100

Readability

/30

32/40

14px · LH 1.50

Hierarchy

/20

18/25

2.57x ratio

WCAG

/25

15/15

Contrast: undefined

Performance

/25

13/20

1 font

Heading Font

Roboto

Sans36px

Body Font

sans-serif

Sans14px

Contrast Ratio

Reading Comfort

~66 CPL

Optimal (45–75)

36px

14px

Minor Second

Scale

⚠️ Small text: 14px may be hard to read on mobile. Consider 16px+.

✅ Optimal line spacing: 1.50 ratio ensures comfortable reading.

✅ Strong hierarchy: Headlines are 2.6x 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.

✅ Protected text on images: Using gradient for readability.

GGoogle Fonts

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

25 Resources

Scripts

Styles

Async

Defer

Top Script Sources

illiweb.com(3)ads.themoneytizer.com(3)static.kueezrtb.com(2)tmzr.themoneytizer.fr(1)p.cpx.to(1)

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Last analyzed: 16 Feb 2026 at 13:10

Historical Analysis & Change Tracking