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xfab.com

https://xfab.com· First analyzed 21 May 2026· Updated 21 May 2026
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xfab.com
Desktop screenshot of xfab.com
Mobile screenshot of xfab.com
Mobile

Sponsored

Hosting Provider

Mittwald CM Service GmbH und Co.

IP Address

178.16.62.132

Site Location

🇩🇪 Germanyvia ip

Server Location

🇩🇪 Frankfurt am Main, Germany

ASN

AS15817

Organization

Mittwald CM Service GmbH und Co.

Server

Apache

Nameservers

secondary006.dtag.net.pns.dtag.de.extdns1.thesys.de.extdns2.thesys.de.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
538 ms10%
Speed Index
699 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
2 MB
47 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
TYPO3

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

3 Technologies Detected

Libraries

1
jQueryv3.7.1

CSS Frameworks

1
Tailwind CSS

Web Servers

1
Apache

SEO Analysis

B77/100
20
8
1
Meta Tags13/15
Content10/12
Headings7/8
Technical23/25
E-E-A-T0/7
Images2/7
Links5/5
URL5/5
Social4/5
Freshness2/4
Mobile3/4
Indexability3/3
X
xfab.comxfab.com

Your specialty foundry for the analog world: X-FAB

X-FAB is one of the world’s leading specialty foundry groups for analog/mixed-signal semiconductor technologies. As a pure-play foundry, we provide manufactu...

Description truncated.
Title Length50 chars

Recommended: 50-60 chars (~301px / 580px)

Description Length363 chars

Recommended: 120-160 chars

Issues (1)

  • • Most images missing alt text (15/16) — critical for accessibility and SEO

9 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

2 URLs

2 sub-sitemaps

robots.txt

10 rules

Sitemap reference found

Local SEO

Local Search Readiness

18/100
Poor
5 11 1

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

Sponsored

AI & LLM Readiness

D48/100
Bot Access
20/25
Machine Read.
7/25
Schema Data
6/25
Citation
15/25

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:5%
Words:1,329
Token eff.:Optimal

Structured Data

3 JSON-LD
Article×1.2microdataWebSiteBreadcrumbList

Citation Readiness

Opening Summary393w
Descriptive Headingsavg 3.6w
Canonical URL
Open Graph3/3
Twitter Card3/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (10)
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.
B
77/100
13
Passed
2
Critical
3
Warnings
Images & Alt Text
20/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
17/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
7/15
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.
64/100
C
203 mg
CO₂e / view
2.0 MB
Page Weight
50%
Cleaner Than
New Visitor
232 mg
vs
Returning (cached)
116 mg
Annual (10K/mo)
24.3 kg
Emission Segments
Data Center
10 mg
Network
60 mg
Device
133 mg
Resource Breakdown
JavaScript
133.4 KB
Images
1.7 MB
CSS
150.4 KB
HTML
16.5 KB
Green Hosting Verified
Mittwald CM Service GmbH & Co. KG
GWF Verified
2 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
D

Security Score

41%Poor
Interactive

HTTPS

No WAF

303d

Certificate Details

Type

Extended Validation (EV)

Certificate Authority

GlobalSign nv-sa

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

16.02.2026

Valid Until

20.03.2027

OCSP Stapling

Enabled

Subject Alternative Names (2)

www.xfab.comxfab.com

SHA-256 Fingerprint

89:27:4D:4A:AC:BA:FB:D8:01:CC:47:6F:76:BC:9F:4D:1D:B0:A5:43...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control
🟡 23 Hours(max-age=86203)
content-encoding
📦 Gzip(gzip)
content-language
en
content-length
16563
content-type
text/html; charset=utf-8
date
Thu, 21 May 2026 00:49:00 GMT
Good Warning Issue

Email Infrastructure

Microsoft 365

Score

100

SPF
DKIM
DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

xfab-com.mail.protection.outlook.com

Domain Information

xfab.com

Domain Age
29 years

Created

30.04.1997

Expires

01.05.2027

Last Updated

03.04.2026

Registrar

Deutsche Telekom AG

DNSSEC
Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner
Cookiebot
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
CMP: Cookiebot
Privacy policy page linked

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.
A
82/100
Mobile Friendly1 breakpoint
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
2 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

RedHatDisplay-Medium + RedHatDisplay-Regular

WCAG Partial
70/100
Readability
/30
25/30

16px · LH 1.50

Hierarchy
/20
11/20

2.25x ratio

WCAG
/25
14/25

1:1 min contrast

Performance
/25
20/25

2 fonts · 3 req

Heading Font

RedHatDisplay-Medium

Sans36px

Body Font

RedHatDisplay-Regular

Sans16px

Contrast Ratio

1:1

14 issues

Reading Comfort

~35 CPL

Narrow lines
36px
h1
52px
h2
24px
h3
16px
p

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

✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

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

⚠️ Partial contrast: 14 elements below WCAG AA threshold (min 1.0:1).

⚠️ Minor heading issue: 1 level skip(s) detected. Maintain sequential order for screen readers.

✅ Strong hierarchy: Headlines are 2.2x larger than body text.

Buy on MyFontsFlesch 0

Color Palette

8 unique colors
Light
#43b0cd
Primary· 22.6%
#18343d
Secondary· 22.200000000000003%
#ffffff
Primary· 0%
#1d2228
Secondary· 16.4%
#030306
Secondary· 11.5%
#23505d
Secondary· 3.1%
#68bfd4
Accent· 2.8%

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

1
Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

1
CookiebotMid-Market

Cookie consent and privacy compliance tools

2

Categories

2

Total Tools

0

Enterprise

1

Mid-Market

Assessment: Growing marketing technology adoption

Sponsored

Scripts & Styles

19 Resources

17
Scripts
2
Styles
3
Async
0
Defer

Top Script Sources

local(13)plugins.flockler.com(2)gstatic.com(1)google.com(1)

Website Identity

Your specialty foundry for the analog world

www.xfab.com
29 years old
Location detected: 🇩🇪 Germanyvia ip
Deutsche Telekom AG📧 Microsoft 365en-US

Sponsored

Last analyzed: 21 May 2026 at 00:49

Historical Analysis & Change Tracking