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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unsoed.ac.id

https://unsoed.ac.id· First analyzed 25 Apr 2026· Updated 25 Apr 2026

Export

unsoed.ac.id

Mobile

Sponsored

Hosting Provider

Idnic

IP Address

103.179.57.177

Site Location

🇮🇩 Indonesiavia tld

Server Location

🇮🇩 Jakarta, Indonesia

ASN

AS136052

Organization

Idnic

Server

Nginx

Nameservers

ns2.unsoed.ac.id.ns1.unsoed.ac.id.

Performance

Core Web Vitals

Weight

First Contentful Paint

2.0 s10%

Speed Index

2.6 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

7.5 MB

177 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.8.3

cms

Woodmartv7.4.3Custom

by XTemos

View Theme

Technology Stack

21 Technologies Detected

Plugins

Ultimate Post Kit Natasha Ai The Post Grid Readabler

Libraries

CSS Frameworks

Analytics

UI Components

Other

Icon Libraries

Fonts

Web Servers

Customer Support

SEO Analysis

B77/100

Meta Tags13/15

Content10/12

Headings3/8

Technical23/25

E-E-A-T2/7

Images2/7

Links5/5

URL5/5

Social4/5

Freshness4/4

Mobile3/4

Indexability3/3

unsoed.ac.idunsoed.ac.id

Beranda - Universitas Jenderal Soedirman

UNSOED BERDAMPAK Unsoed Berdampak merupakan gerakan bersama yang berakar pada semangat kolaborasi dengan seluruh mitra, mendorong kemajuan dan pengembangan s...

Description truncated.

Title Length40 chars

Recommended: 50-60 chars (~242px / 580px)

Description Length166 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (61/75) — critical for accessibility and SEO

8 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

5 URLs

5 sub-sitemaps

robots.txt

3 rules

Sitemap reference found

Allows all crawlers

Local SEO

Local Search Readiness

25/100

Needs Work

7 11

Sponsored

AI & LLM Readiness

D53/100

Bot Access

20/25

Machine Read.

7/25

Schema Data

8/25

Citation

18/25

AI Bot Access

14/14 accessible

AI Search

OAI-SearchBot

PerplexityBot

Claude-SearchBot

Gemini-Deep-Research

DuckAssistBot

Training

GPTBot

ClaudeBot

Google-Extended

Meta-ExternalAgent

Bytespiderinfo

Amazonbot

Applebot-Extended

CCBotinfo

Fetch

ChatGPT-User

Machine Readability

llms.txt

llms-full.txt

Semantic HTML

Heading Hierarchy

Text ratio:6%

Words:2,386

Token eff.:Optimal

Sections/1K:0.8

Structured Data

5 JSON-LD

Organization×1.1WebSiteBreadcrumbListSearchAction

sameAs entity links

Citation Readiness

Opening Summary39w

Descriptive Headingsavg 6.5w

Canonical URL

Open Graph3/3

Twitter Card1/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (9)

AI readiness recommendation preview...

Upgrade to view recommendations

Sponsored

Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.

69/100

Passed

Critical

Warnings

Images & Alt Text

20/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

11/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

5/15

Verifies form fields have labels, error messages are clear, and inputs are properly associated.

Color & Contrast

15/15

Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.

Keyboard & Focus

11/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

7/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

3 recommendations

•Accessibility recommendation preview...

Upgrade to view recommendations

Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.

27/100

949 mg

CO₂e / view

7.5 MB

Page Weight

Cleaner Than

New Visitor

1.08 g

Returning (cached)

542 mg

Annual (10K/mo)

113.9 kg

Emission Segments

Data Center

212 mg

Network

228 mg

Device

509 mg

Resource Breakdown

JavaScript

1.3 MB

Images

5.3 MB

CSS

843.9 KB

Fonts

6.0 KB

HTML

50.8 KB

Green Hosting Not Verified

Idnic

7 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

36%Critical

Interactive

HTTPS

No WAF

71d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

07.04.2026

Valid Until

06.07.2026

Subject Alternative Names (2)

nirmiti.unsoed.ac.idunsoed.ac.id

SHA-256 Fingerprint

3C:55:A6:42:01:AD:00:66:D7:04:00:3A:2C:05:68:8D:D2:C2:35:A5...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

content-encoding

📦 Gzip(gzip)

content-type

text/html

date

Sat, 25 Apr 2026 16:31:44 GMT

etag

W/"69ecec0c-44c0b"

last-modified

Sat, 25 Apr 2026 16:30:04 GMT

server

nginx/1.24.0 (Ubuntu)

Good Warning Issue

Domain Information

unsoed.ac.id

Domain Age

29y 3m

Created

31.01.1997

Expires

01.10.2026

Last Updated

19.08.2024

Registrar

PT Cyberindo Aditama

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.

67/100

Mobile Friendly7 breakpoints

Viewport Meta

The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.

Responsive Design

Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.

Touch Icons

Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.

Readable Font Size

Base font size should be at least 16px on mobile to ensure text is readable without zooming.

Relative Units

Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.

No H-Scroll Risk

No elements wider than the viewport that would cause horizontal scrolling on mobile devices.

Tap Targets OK

Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.

No Fixed Widths

No elements with fixed pixel widths that could overflow on smaller screens and break the layout.

Viewport

width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no

2 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

Poppins

WCAG Partial

58/100

Readability

/30

20/30

16px · LH 1.60

Hierarchy

/20

5/20

WCAG

/25

15/25

1.11:1 min contrast

Performance

/25

18/25

System fonts

Heading Font

Poppins

Sans

Body Font

Poppins

Sans16px

Contrast Ratio

1.11:1

19 issues

Reading Comfort

~43 CPL

Narrow lines

20px

14px

40px

16px

Perfect Fourth

Scale

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

✅ Optimal line spacing: 1.60 ratio (ideal range 1.4–1.6).

❌ Very complex text: Flesch score 0/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 19 elements below WCAG AA threshold (min 1.1:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

⚠️ Text justify detected: Justified text creates uneven word spacing, hurting readability on web.

GGoogle Fonts Buy on MyFontsFluid TypeFlesch 0

Color Palette

12 unique colors

Light

#ffffff

Background· 33.5%

#1d536d

Primary· 13.3%

#9dbac8

Secondary· 11%

#dfe5e6

Secondary· 8.2%

#d4b489

Primary· 6.9%

#bcded6

Secondary· 5.8%

#58b2a6

Secondary· 5.5%

#75858f

Secondary· 3%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

unsoed.ac.id(18)googletagmanager.com(1)widget.komdigi.go.id(1)

Website Identity

Universitas Jenderal Soedirman

Organization

Universitas Jenderal Soedirman

info@unsoed.ac.id

(0281) 635292 (Hunting), 638337, 638795 Faksimile 631802

unsoed.ac.id/

29 years old

Location detected: 🇮🇩 Indonesiavia tld

PT Cyberindo Aditamaid-IDEst. 1963

Social Profiles

Facebook X (Twitter)Instagram YouTube TikTok

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Last analyzed: 25 Apr 2026 at 16:32

Historical Analysis & Change Tracking