labster.com

Scanned URL: https://labster.com

📅 Scan completed: June 5, 2026

labster.com scored 81/100 overall — great. Its strongest area is SEO (85/100). The site uses HTTPS. Both a title tag and meta description are present. Page load speed is fast (390ms total). Runs on Webflow with 14 total technologies detected.
81
out of 100
A
Great
Overall Domain Score
SEO 85  ·  LLM 73  ·  Performance 82 (weighted avg: SEO 40%, LLMO 30%, Perf 30%)
85

🔍 SEO Score

11 / 13 checks passed

73

🤖 LLM Readiness

8 / 11 checks passed

82

⚡ Performance

9 / 11 checks passed

⚡ Quick Wins — Top 5 Issues to Fix
  1. Meta Description — Length: 198 chars (Ideal: 50-160).
  2. Image Alt Text — 8 of 55 images missing alt.
  3. Cache Policies — Missing Cache-Control headers.
  4. FAQ Schema — Missing FAQ schema.
  5. E-E-A-T (Author) — No author meta or schema.
📝 Extracted Page Tags

These are the core on-page elements search engines read first. A well-crafted title and description directly affect click-through rates from search results, while the H1 and canonical URL help search engines understand page structure and avoid duplicate content.

Title Tag
Labster | Virtual Labs for Universities and High Schools 56 chars — Good
Meta Description
Labster empowers educators to reimagine their science courses with immersive online simulations. Request a demo to discover how Labster engages students, trains lab skills, and accelerates learning. 198 chars — Too long
H1 Heading
Immersive Learning Experiences That Turn Curiosity Into Knowledge
Canonical URL
https://www.labster.com
🔍 SEO Audit
A 85/100

Search engine optimisation determines how visible your site is in organic search. These checks cover the technical signals Google and other engines use to crawl, index, and rank your pages. Issues here directly impact how much free traffic your site receives.

✅ Title Tag
Length: 56 chars (Ideal: 30-60).
❌ Meta Description
Length: 198 chars (Ideal: 50-160).
✅ H1 Tag
Found 1 H1 tags. Exactly 1 is recommended.
✅ Canonical URL
Canonical URL is set.
✅ Open Graph Tags
Found 4 OG properties (4+ recommended).
✅ Indexability
Page allows indexing.
✅ Mobile Viewport
Viewport meta tag present.
❌ Image Alt Text
8 of 55 images missing alt.
✅ Sitemap
Sitemap declared.
✅ Heading Hierarchy
H1 and H2 structure detected.
✅ Internal Links
Found 83 internal links.
✅ HSTS Security
HSTS header present.
✅ HTTPS
Loads securely over HTTPS.
🤖 LLMO (AI & Answer Engine)
B 73/100

AI-powered answer engines like ChatGPT, Perplexity, and Google's AI Overview are increasingly the first touchpoint for users. This section checks whether your content is structured so AI systems can confidently extract, cite, and recommend your site in their responses.

✅ Structured Data (JSON-LD)
Found 3 JSON-LD blocks.
✅ Schema Entities
Types: organization, website
❌ FAQ Schema
Missing FAQ schema.
✅ Contextual Summary
Description provides good AI context.
❌ E-E-A-T (Author)
No author meta or schema.
✅ Organisation Schema
Business entity defined.
❌ Breadcrumb Schema
Missing BreadcrumbList.
✅ AI Crawler Access
AI agents not blocked.
✅ Language Declaration
Language set to 'en'.
✅ Semantic Structure
Uses <main> or <article>.
✅ Entity Verification Links
Social/publisher profiles linked.
⚡ Performance & Web Vitals
A 82/100

Page speed is a confirmed Google ranking factor and has a direct impact on conversions — even a one-second delay can significantly reduce user engagement. This section measures real network timing and highlights the bottlenecks slowing your site down.

💬 This site loads in 390ms — very fast.
Network Waterfall (Total: 390ms)
  • DNS: 61ms
  • Connect: 70ms
  • TTFB: 202ms
  • Download: 188ms
✅ Time to First Byte (TTFB)
TTFB: 202ms (Target: < 600ms).
✅ HTML Payload Size
Raw HTML: 46.2KB (Target: < 150KB).
✅ Text Compression
Compression enabled (gzip).
❌ Cache Policies
Missing Cache-Control headers.
✅ CDN Usage
Edge delivery detected.
✅ Secure Delivery (HTTPS)
Served securely.
❌ Modern Protocol
Using HTTP/1.1.
✅ Native Lazy Loading
Images use loading='lazy'.
✅ Minified Assets
Minified .js/.css referenced.
✅ Preload / Preconnect Hints
Resource hints found.
✅ Character Set
UTF-8 declared.
📋 WHOIS Information

WHOIS data shows who owns a domain and when it was registered and expires. Expiring domains lose their search authority and history overnight — many strong domains are lost simply because owners forget to renew. Registrant details also signal trust and legitimacy to search engines.

Registrar
Key-Systems GmbH
Registered
2007-10-22
Expires
2026-10-22
Last Updated
2025-11-25
Status
client transfer prohibited
Name Servers
ns-1101.awsdns-09.org, ns-1690.awsdns-19.co.uk, ns-267.awsdns-33.com, ns-931.awsdns-52.net
🔗 DNS Records

DNS records control how the world reaches your domain — they point to your server, configure your email, and enable security features like SPF and DMARC. Misconfigured DNS can cause email deliverability problems, downtime, or make your domain vulnerable to spoofing.

📊 1 A  ·  5 MX  ·  19 TXT  ·  4 NS
TypeValue
A198.202.211.1
MXalt4.aspmx.l.google.com
MXalt2.aspmx.l.google.com
MXalt3.aspmx.l.google.com
MXalt1.aspmx.l.google.com
MXaspmx.l.google.com
TXTMS=ms91243362
TXTgoogle-site-verification=9cuaHBzx-MxQdlI1Eyb1FE15hR-TqIl9PvZKv76XI2c
TXTprodpad-domain-verification=K0SDumZh1tQrlgVSZlEvUxm+Us6jBA1z89M0XecO4CQ=
TXT00Dw0000000ngBn=1TBVl00000008Ll
TXTMS=ms82785197
TXTv=spf1 include:_spf.google.com include:spf.mandrillapp.com include:pardot-atlassian-tipalti.spf.labster.com include:_spf.salesforce.com include:mktomail.com ~all
TXTapple-domain-verification=kc2uHLozu6lr2ezw
TXTstripe-verification=f1775fa2ddf221001a67f0e6d09a4cf81397dcfe12f6d10e5c99980b15184a40
TXTdocusign=452c0bdc-b32a-47d1-85e7-3c73b564b77a
TXTapple-domain-verification=RyBKFdCfPD25uRAu
TXTstripe-verification=d7e2de7ea09a50e8b131a08a665fbc084769ccddf52f7e1584af3a53b3739e6e
TXTgoogle-site-verification=vJRfKa2v7_obhBIImnRBL-fEkBdHA6vRa25yciqbiL4
TXTasv=2b3e9589664db97cde9b588b346dab52
TXTstripe-verification=a356cf67555211c0ee003e355bea340a804bd90331d322b556fa4f964d5698b6
TXThj-ownership=fhm4rtc5RTC0baj!ckn
TXTpardot723743=e4b60d6bf8d70f055ac6e5a53b52a97bc88f3d0435d99b4353ffb7063383e142
TXTgoogle-site-verification=HnUxUOZcoFcqzAHyg4H8OLYpsGSdYNOfWEm7utIqxlQ
TXTgoogle-site-verification=kGZQxuwHy6nCqqezHKq42uO9NTnOxlA8AaU8tG_ZcPg
TXTfacebook-domain-verification=xfeb0sslg26fa93rhrnmu1n31eki5a
NSns-1690.awsdns-19.co.uk
NSns-267.awsdns-33.com
NSns-931.awsdns-52.net
NSns-1101.awsdns-09.org
⚙️ Detected Technologies

Understanding what technology stack a site runs on reveals performance characteristics, security exposure, and capabilities. Outdated software is the leading cause of website compromises, while the right tools — analytics, SEO plugins, CDN — are markers of a professionally maintained site.

CMS
Webflow
E-Commerce
Magento
Social & Schema
Open Graph Twitter Cards Schema.org
Page Builder
Divi
Analytics & Tracking
Google Tag Manager
JavaScript
jQuery
Fonts
Google Fonts
A/B Testing
VWO
Infrastructure & CDN
Cloudflare AWS CloudFront jsDelivr cdnjs
🛡️ Security & Blacklist Check
Some Blocked

Being listed on a blacklist means email providers, browsers, and security tools will block or warn users about your domain. This section checks major DNS-based blacklists used by ISPs and mail servers — being flagged here can silently destroy email deliverability and user trust.

ℹ️ 5 check(s) could not be verified automatically. Use the Verify links to check manually.
ℹ️ Spamhaus DBL Verify ↗
Could not be verified automatically. Use the Verify link to check manually.
ℹ️ SURBL Verify ↗
Could not be verified automatically. Use the Verify link to check manually.
✅ URIBL Verify ↗
Lookup inconclusive — use the Verify link to check manually.
✅ Google Safe Browsing Verify ↗
No warnings found in Google Safe Browsing transparency report.
IP Reputation Checks
ℹ️ Spamhaus ZEN (198.202.211.1) Verify ↗
Could not be verified automatically. Use the Verify link to check manually.
ℹ️ SpamCop (198.202.211.1) Verify ↗
Could not be verified automatically. Use the Verify link to check manually.
ℹ️ Barracuda (198.202.211.1) Verify ↗
Could not be verified automatically. Use the Verify link to check manually.
Sources checked: Spamhaus DBL, SURBL, URIBL, Spamhaus ZEN (IP), SpamCop (IP), Google Safe Browsing (public transparency). DNS-based lookups — no API key required.
🦠 Malware & Reputation Check
Clean

Malware infections and poor reputation scores cause browsers to show red warning screens to visitors and get domains de-indexed by Google. These checks scan your domain against dedicated malware databases and web reputation services to surface any active threats.

✅ Domain appears clean — no malware or reputation flags detected on checked services.
✅ Sucuri SiteCheck Verify ↗
No malware or blacklist entries found.
✅ Norton Safe Web Verify ↗
No threats detected per Norton Safe Web.
✅ URLVoid Verify ↗
No threats detected per URLVoid.
✅ PhishTank Verify ↗
Not found in PhishTank phishing database.
🔗 VirusTotal Verify ↗
Click "Verify" to view the full VirusTotal multi-engine report for this domain.
🔗 Web of Trust (WOT) Verify ↗
Click "Verify" to view community-based reputation scores on Web of Trust.
Services checked: Sucuri SiteCheck, Norton Safe Web, URLVoid, PhishTank. VirusTotal & Web of Trust links provided for manual verification. Active scans use public endpoints — no API keys required.
⭐ Community Rating

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