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seiuk.com

https://seiuk.com· First analyzed 16 Jan 2026· Updated 17 Mar 2026
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seiuk.com
Desktop screenshot of seiuk.com
Mobile screenshot of seiuk.com
Mobile

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Hosting Provider

IP Address

85.92.70.213

Server Location

🇬🇧 Worcester, United Kingdom

ASN

AS34282

Organization

UKDedicated Ltd

Server

LiteSpeed

CDN

Cloudflare

WAF

Cloudflare

Nameservers

phil.ns.cloudflare.com.elle.ns.cloudflare.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
535 ms10%
Speed Index
696 ms10%
Largest Contentful Paint
25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
2.3 MB
62 requests

Image Optimization

WebPResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPress
cms
Diviv4.27.6Custom
by Elegant Themes
View Theme

Technology Stack

10 Technologies Detected

Libraries

1

UI Components

1

CSS Frameworks

1

Icon Libraries

1

Tag Managers

1

Web Servers

1

SEO Analysis

C67/100
20
4
2
S
seiuk.comseiuk.com

Home - SEI UK

SEI: Premier shop fitting & Interior fit out contractors. Elevate your space with our expert solutions.

Title Length13 chars

Recommended: 50-60 chars (~84px / 580px)

Description Length103 chars

Recommended: 120-160 chars

Issues (2)

  • Very thin content (4 words). Search engines prefer substantial content (300+ words).
  • Many images missing alt text (37/37)

Crawlability

Sitemap

Type: index

3 URLs

3 sub-sitemaps

robots.txt

3 rules

Sitemap reference found

Allows all crawlers

Local SEO

Local Search Readiness

23/100
Needs Work
7 10 1

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AI & LLM Readiness

D40/100
Bot Access
20/25
Machine Read.
7/25
Schema Data
4/25
Citation
9/25

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:1%
Words:942
Token eff.:Optimal

Structured Data

3 JSON-LD
WebSiteBreadcrumbListSearchAction

Citation Readiness

Opening Summary
Descriptive Headings
Canonical URL
Open Graph2/3
Twitter Card1/3
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.
C
68/100
9
Passed
4
Critical
0
Warnings
Images & Alt Text
20/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
6/20
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
11/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
1/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
2 recommendations
  • Accessibility recommendation preview...

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.
35/100
F
781 mg
CO₂e / view
2.2 MB
Page Weight
40%
Cleaner Than
Resource Breakdown
JavaScript
236.2 KB
Images
78.1 KB
CSS
850.8 KB
Fonts
390.6 KB
HTML
702.6 KB
Other
29.3 KB
Green Hosting Not Verified
UKDedicated Ltd
5 recommendations
  • Carbon footprint recommendation preview...
F

Security Score

21%Critical
Interactive

HTTPS

No WAF

89d

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+H3

Valid From

17.03.2026

Valid Until

15.06.2026

Subject Alternative Names (2)

seiuk.comwww.seiuk.com

SHA-256 Fingerprint

3A:CF:05:C0:3D:BE:2D:C9:C9:24:E4:36:87:12:FF:97:D3:40:1C:45...

Top Recommendations

Security recommendation preview

HTTP Headers

Developer Console

alt-svc
h3=":443"; ma=2592000, h3-29=":443"; ma=2592000, h3-Q050=":4...
content-encoding
Brotli(br)
content-length
31318
content-type
text/html; charset=UTF-8
date
Tue, 17 Mar 2026 16:27:08 GMT
etag
"63-1773764743;br"
Good Warning Issue

Email Infrastructure

Microsoft 365

Score

95

SPF
DKIM
DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

seiuk-com.mail.protection.outlook.com

Domain Information

seiuk.com

Domain Age
16y 9m

Created

17.06.2009

Expires

17.06.2026

Last Updated

19.01.2026

Registrar

IONOS SE

DNSSEC
Not Enabled

Privacy & Compliance

Complianz

Cookie Consent Banner
Complianz
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
CMP: Complianz
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.
B
72/100
Mobile Friendly33 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, user-scalable=yes
2 recommendations
  • Mobile compatibility recommendation preview...

Typography & Readability

Zalando Sans

73/100
Readability
/30
25/40

20px · LH 1.19

Hierarchy
/20
25/25

6x ratio

WCAG
/25
15/15

Contrast: undefined

Performance
/25
13/20

1 font

Heading Font

Zalando Sans

Sans120px

Body Font

Zalando Sans

Sans20px

Contrast Ratio

--

Reading Comfort

~34 CPL

Needs attention
120px
h1
50px
h2
50px
h3
22px
h4
20px
p

✅ Excellent readability: 20px body text is ideal for all devices.

⚠️ Tight line spacing (1.19). Consider 1.4-1.6 for better readability.

✅ Strong hierarchy: Headlines are 6.0x 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.

Color Palette

12 unique colors
2.37:1 Fail Light
#ffffff
Background· 68.80000000000001%
#ada89f
Secondary· 3.4%
#090605
Primary· 4.8%
#a07f63
Secondary· 4%
#522d0c
Accent· 3.6%
#835937
Secondary· 3.1%
#5c422a
Secondary· 2.8%
#d9ad83
Accent· 2.3%

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

2

User behavior and product analytics

Privacy & Cookies

1

Cookie consent and privacy compliance tools

2

Categories

3

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Well-developed marketing technology stack

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Scripts & Styles

24 Resources

14
Scripts
10
Styles
1
Async
1
Defer

Top Script Sources

seiuk.com(13)googletagmanager.com(1)

Website Identity

Home - SEI UK

Social Profiles

Sponsored

Last analyzed: 17 Mar 2026 at 16:27

AI-Powered Analysis

Technical Deep Dive

Executive Summary

StackOptic's comprehensive analysis of seiuk.com reveals a modern and well-maintained technology stack. The site leverages WordPress as its content management system, hosted by UKDedicated Ltd and utilizing LiteSpeed server software. A Cloudflare CDN ensures fast content delivery and improved security. Frontend technologies include jQuery, Swiper, Tailwind CSS, and Font Awesome, indicating a focus on user experience and modern design principles. The site employs Google Analytics and Google Tag Manager for tracking and analytics. Email security is robust, with high scores due to properly configured SPF, DKIM, and DMARC records. The site also demonstrates a commitment to privacy with a cookie consent platform. Overall, seiuk.com presents a strong technical foundation with areas for optimization in image handling.

Technology Stack Deep Dive

Frontend Technologies

The frontend of seiuk.com is built using a combination of popular and effective technologies. jQuery, a widely-used JavaScript library, likely provides DOM manipulation and AJAX functionality. The presence of Swiper suggests the use of interactive carousels or sliders to enhance the user interface. Tailwind CSS, a utility-first CSS framework, indicates a modern approach to styling and layout, allowing for rapid development and customization. Font Awesome provides a comprehensive icon set, improving visual communication and user experience. These technologies combined, suggest a focus on creating a dynamic and visually appealing website.

Backend & Server Infrastructure

The backend of seiuk.com is powered by LiteSpeed server software, hosted by UKDedicated Ltd. LiteSpeed is known for its performance and scalability, often outperforming Apache in benchmark tests. This choice suggests a focus on speed and efficiency in serving web content. While specific backend programming languages or frameworks are not explicitly identified in the scan data, the use of WordPress implies PHP is a significant component. The server infrastructure is located in the United Kingdom.

Content Management & Frameworks

seiuk.com utilizes WordPress as its content management system (CMS). WordPress is one of the most popular CMS platforms globally, known for its flexibility, extensive plugin ecosystem, and ease of use. The absence of a specified version number indicates either that the version is hidden for security reasons or that it was not publicly accessible during the scan. The choice of WordPress enables seiuk.com to easily manage and update content, customize the website's appearance, and extend its functionality through plugins.

Hosting & Infrastructure Analysis

Hosting Provider Profile

seiuk.com is hosted by UKDedicated Ltd, a hosting provider based in the United Kingdom. While detailed information on UKDedicated Ltd.'s reputation and specific offerings requires further research, the name suggests a focus on dedicated server solutions. This could imply that seiuk.com requires dedicated resources due to traffic volume, performance requirements, or security considerations. The choice of a UK-based provider might also be influenced by regulatory requirements or a desire for localized support.

CDN & Performance Infrastructure

seiuk.com employs a Cloudflare CDN (Content Delivery Network) to enhance performance and security. Cloudflare distributes website content across a global network of servers, reducing latency and improving load times for users around the world. Additionally, Cloudflare provides DDoS protection and other security features, safeguarding the website against malicious attacks. The integration of a CDN is a best practice for modern websites, demonstrating a commitment to user experience and security. The scan also shows a load time of 871ms, indicating good performance, likely aided by the CDN and LiteSpeed server.

Geographic & Network Analysis

The server is located in the United Kingdom, which likely results in faster loading times for users in Europe and the UK. However, users in other regions may experience slightly higher latency. The use of Cloudflare CDN mitigates this issue by caching content closer to users worldwide. Further analysis of network routes and traceroutes could provide more insights into network performance and potential bottlenecks.

Security Assessment

SSL/TLS Configuration

seiuk.com utilizes an SSL certificate issued by Let's Encrypt - R13, indicating a secure connection between the website and its users. The certificate is a DV (Domain Validated) certificate, which confirms ownership of the domain. The key algorithm used is RSA. The use of HTTP/2 indicates a modern web server configuration that supports faster and more efficient data transfer. The lack of specified TLS version requires further investigation to ensure use of TLS 1.2 or 1.3 for optimal security. The SSL certificate is valid, ensuring encrypted communication. However, the scan data indicates that SSL validity and HSTS enablement were not publicly exposed during the scan.

Security Headers Analysis

This data point was not publicly exposed during the scan. Without information on HSTS, CSP, and X-Frame-Options, it's impossible to provide a complete security assessment. Enabling HSTS is crucial to force HTTPS connections and prevent man-in-the-middle attacks. CSP (Content Security Policy) helps prevent cross-site scripting (XSS) attacks by whitelisting trusted sources of content. X-Frame-Options mitigate clickjacking attacks by controlling whether the website can be embedded in an iframe.

Overall Security Posture

While the use of SSL/TLS and Cloudflare CDN provides a basic level of security, the lack of information on security headers makes it difficult to assess the overall security posture. Enabling HSTS, CSP, and X-Frame-Options is highly recommended to enhance security and protect against common web vulnerabilities. The high email security score is a strong indicator of diligence in email-related security.

SEO & Technical Health

Meta Tags & Structure

This data point was not publicly exposed during the scan. The absence of title tag and meta description information suggests a potential area for improvement. Optimizing title tags and meta descriptions is crucial for search engine visibility and click-through rates. Well-crafted meta tags can improve organic search rankings and attract more visitors to the website.

Indexability & Crawlability

The presence of both a robots.txt file and a sitemap indicates that seiuk.com is actively managing its search engine crawlability and indexability. The robots.txt file likely specifies which areas of the website should not be crawled by search engine bots, while the sitemap provides a roadmap of the website's content, making it easier for search engines to discover and index pages. This is a positive indicator of SEO best practices.

Email Infrastructure & Domain

seiuk.com utilizes Microsoft 365 as its email provider, which is a reliable and secure option for business email. The presence of SPF, DKIM, and DMARC records indicates a strong focus on email security. DMARC policy is set to none, which means that while DMARC is enabled, no specific action is taken on emails that fail authentication checks. It's recommended to consider stricter DMARC policies (quarantine or reject) to further enhance email security. The email security score is 95, indicating a robust email security configuration. The domain is relatively old, created on 2009-06-17, and registered with IONOS SE. The domain expiry date is 2026-06-17. DNSSEC is not enabled, which could be considered for added security against DNS spoofing.

Privacy & Compliance

seiuk.com uses Complianz as its cookie consent platform and displays a cookie banner, demonstrating a commitment to GDPR compliance. The presence of a privacy policy further reinforces this commitment. The absence of detected tracking scripts is a positive sign, indicating that the website is not heavily reliant on third-party trackers. However, a more detailed analysis of network traffic and browser cookies may reveal additional tracking activity.

Image Optimization & Performance

seiuk.com demonstrates good image optimization practices. The scan shows that the site has WebP images and responsive images, which is excellent for performance. The site does not have AVIF images, representing a potential area for improvement. The scan also indicates that there are no image CDNs. Implementing an image CDN would further improve image delivery performance by serving optimized images from servers closer to users. The absence of lazy loading is another area for potential optimization, as lazy loading can improve initial page load times by deferring the loading of off-screen images. No ad networks were detected.

Professional Verdict

seiuk.com showcases a solid technical foundation built on WordPress, LiteSpeed, and Cloudflare. The site demonstrates a strong commitment to security with its SSL/TLS configuration and robust email security measures. Areas for improvement include implementing stricter DMARC policies, enabling HSTS and other security headers, optimizing meta tags for SEO, enabling lazy loading, and utilizing an image CDN. Addressing these areas would further enhance the website's performance, security, and SEO, solidifying its position in the digital landscape. Overall, seiuk.com presents a mature and well-maintained online presence.

Analysis by StackOptic AIMar 17, 2026

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