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delft.nl

https://delft.nl· First analyzed 03 May 2026· Updated 03 May 2026
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delft.nl
Desktop screenshot of delft.nl
Mobile screenshot of delft.nl
Mobile

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Hosting Provider

Intracto Group nv

IP Address

185.135.13.93

Site Location

🇳🇱 Netherlandsvia tld

Server Location

🇧🇪 Herentals, Belgium

ASN

AS34762

Organization

Intracto Group nv

Server

Apache

Nameservers

ns3.as41887.io.ns.delft.nl.ns1.as41887.nl.ns4.as41887.it.+1 more

Performance

100

Core Web Vitals

Weight

First Contentful Paint
566 ms10%
Speed Index
736 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
1.2 MB
35 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Drupal

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

3 Technologies Detected

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

Web Servers

1
Apache

SEO Analysis

C62/100
19
5
1
Meta Tags9/15
Content9/12
Headings8/8
Technical19/25
E-E-A-T0/7
Images1/7
Links4/5
URL5/5
Social0/5
Freshness0/4
Mobile4/4
Indexability3/3
D
delft.nldelft.nl

Homepage | Gemeente Delft

Officiële website van de gemeente Delft. Hier vindt u alle informatie, dienstverlening en nieuwsberichten van de gemeente Delft.

Title Length25 chars

Recommended: 50-60 chars (~159px / 580px)

Description Length128 chars

Recommended: 120-160 chars

Issues (1)

  • • Most images missing alt text (9/9) — critical for accessibility and SEO

6 issues found

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Crawlability

Sitemap

Type: standard

1,111 URLs

robots.txt

53 rules

Local SEO

Local Search Readiness

8/100
Poor
2 13 2

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

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AI & LLM Readiness

F31/100
Bot Access
20/25
Machine Read.
5/25
Schema Data
0/25
Citation
6/25

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
navheader/footer
Text ratio:3%
Words:249
Token eff.:Too Short
Sections/1K:80.3
Depth:2/5

Structured Data

No Schema

Citation Readiness

Opening Summary195w
Descriptive Headingsavg 1.3w
Canonical URL
Open Graph0/3
Twitter Card0/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (11)
AI readiness recommendation preview...
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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.
A
83/100
14
Passed
3
Critical
2
Warnings
Images & Alt Text
18/20
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
15/15
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
9/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
9/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
2 recommendations
  • •Accessibility recommendation preview...
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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.
70/100
B
127 mg
CO₂e / view
1.2 MB
Page Weight
70%
Cleaner Than
New Visitor
145 mg
vs
Returning (cached)
73 mg
Annual (10K/mo)
15.3 kg
Emission Segments
Data Center
6 mg
Network
37 mg
Device
84 mg
Resource Breakdown
JavaScript
52.9 KB
Images
546.8 KB
CSS
319.0 KB
Fonts
243.6 KB
HTML
49.7 KB
Other
46.3 KB
Green Hosting Verified
Combell
GWF Verified
5 recommendations
  • •Carbon footprint recommendation preview...
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A

Security Score

81%Very Good
Interactive

HTTPS

No WAF

44d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Sectigo Limited

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

21.05.2025

Valid Until

16.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

www.delft.nldelft.nl

SHA-256 Fingerprint

0E:1E:C6:07:F9:B5:58:02:42:A5:4E:FA:76:52:06:A6:1B:67:4A:B6...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges
bytes
age
3142
cache-control
🟡 1 Hours(max-age=3600, public, s-maxage=31536000)
cache-tags
fQEX 9fG4 4xYI nken rDqw MvV3 JGDe ezO- ip0f H9eq 8xTn 7fRO ...
content-language
nl
content-length
50580
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

100

SPF
DKIM
DMARC

DMARC Policy

Reject (Strictest)

MX Records (2)

m1.delft.nl
m2.delft.nl

Domain Information

delft.nl

Domain Age
29y 7m

Created

26.09.1996

Last Updated

11.07.2025

Registrar

Registrar.eu

DNSSEC
Not Enabled

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.
B
76/100
Mobile Friendly4 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
1 recommendation
  • •Mobile compatibility recommendation preview...
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Typography & Readability

Gill Sans

WCAG AA
75/100
Readability
/30
20/30

18px · LH 1.70

Hierarchy
/20
17/20

2x ratio · ✓ H1→H6

WCAG
/25
20/25

4.7:1 min contrast

Performance
/25
18/25

1 font · 4 req

Heading Font

Gill Sans

Sans36px

Body Font

Gill Sans

Sans18px

Contrast Ratio

4.7:1

WCAG AA (≥4.5:1)

Reading Comfort

Single Font Family

left aligned
36px
h1
30px
h2
30px
h3
18px
p

✅ Excellent readability: 18px body text is ideal for all devices.

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

✅ WCAG AA contrast: All text meets 4.5:1 ratio (min 4.7:1).

✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

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

✅ Modern fluid typography: clamp() with rem units ensures zoom accessibility (WCAG 1.4.4).

Buy on MyFontsFluid Type (rem)Flesch 0

Color Palette

12 unique colors
Light
#edeef0
Background· 36.2%
#bacee4
Secondary· 13.3%
#8d784d
Secondary· 6.6%
#0676c1
Primary· 6.5%
#7d4f37
Secondary· 6.5%
#333629
Secondary· 6.2%
#c9ad96
Secondary· 5.7%
#adc0d2
Secondary· 3.7%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

1
Google AnalyticsFree

User behavior and product analytics

1

Categories

1

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

8 Resources

5
Scripts
3
Styles
2
Async
0
Defer

Top Script Sources

local(2)siteimproveanalytics.com(1)delft1.expoints.nl(1)cdn.weglot.com(1)

Website Identity

delft.nl

29 years old
Location detected: 🇳🇱 Netherlandsvia tld
Registrar.eunl

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Last analyzed: 03 May 2026 at 12:57

Historical Analysis & Change Tracking

delft.nl Technology Stack - Built With Tailwind CSS, Font Awesome, Apache | StackOptic | StackOptic