tenaris.com

Scanned URL: https://tenaris.com

📅 Scan completed: October 24, 2026

tenaris.com scored 51/100 overall — below avg. Its strongest area is SEO (77/100). AI readiness needs the most attention (21/100). The site uses HTTPS. Both a title tag and meta description are present. Page load speed is moderate (1043ms total). 7 technologies detected.
51
out of 100
D
Below Avg
Overall Domain Score
SEO 77  ·  LLM 21  ·  Performance 45 (weighted avg: SEO 40%, LLMO 30%, Perf 30%)
77

🔍 SEO Score

10 / 13 checks passed

21

🤖 LLM Readiness

3 / 14 checks passed

45

⚡ Performance

5 / 11 checks passed

⚡ Quick Wins — Top 5 Issues to Fix
  1. Title Tag — Length: 7 chars (Ideal: 30-60).
  2. H1 Tag — Found 4 H1 tags. Exactly 1 is recommended.
  3. HSTS Security — Missing HSTS header.
  4. Cache Policies — Missing Cache-Control headers.
  5. Structured Data (JSON-LD) — No JSON-LD found.
📝 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
Tenaris 7 chars — Too short
Meta Description
Leading supplier of steel pipes and related services for the world's energy industry 84 chars — Good
H1 Heading
Leading global pipe manufacturer and supplier
Canonical URL
https://www.tenaris.com/en
🔍 SEO Audit
B 77/100

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: 7 chars (Ideal: 30-60).
✅ Meta Description
Length: 84 chars (Ideal: 50-160).
❌ H1 Tag
Found 4 H1 tags. Exactly 1 is recommended.
✅ Canonical URL
Canonical URL is set.
✅ Open Graph Tags
Found 5 OG properties (4+ recommended).
✅ Indexability
Page allows indexing.
✅ Mobile Viewport
Viewport meta tag present.
✅ Image Alt Text
No images found.
✅ Sitemap
Sitemap declared.
✅ Heading Hierarchy
H1 and H2 structure detected.
✅ Internal Links
Found 212 internal links.
❌ HSTS Security
Missing HSTS header.
✅ HTTPS
Loads securely over HTTPS.
🤖 LLMO (AI & Answer Engine)
F 21/100

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)
No JSON-LD found.
❌ Schema Entities
No schema entities.
❌ FAQ Schema
Missing FAQ schema.
❌ Contextual Summary
Description too short for AI context.
❌ E-E-A-T (Author)
No author meta or schema.
❌ Organisation Schema
Missing Organization schema.
❌ Breadcrumb Schema
Missing BreadcrumbList.
✅ AI Crawler Access
AI agents not blocked.
✅ Language Declaration
Language set to 'en'.
❌ Semantic Structure
No semantic HTML5 wrappers.
✅ Entity Verification Links
Social/publisher profiles linked.
❌ llms.txt
No llms.txt found at /llms.txt. Adding one helps AI models understand your site's purpose and content.
❌ llms-full.txt
No llms-full.txt found at /llms-full.txt. This extended file provides AI models with deeper content for more accurate citations.
❌ AGENTS.md
No AGENTS.md found at /AGENTS.md. This file tells AI agents how to navigate and interact with your site's content and APIs.
⚡ Performance & Web Vitals
F 45/100

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 1043ms — fast. Download time is high (870ms) — reduce HTML payload or enable compression.
Network Waterfall (Total: 1043ms)
  • DNS: 0ms
  • Connect: 0ms
  • TTFB: 173ms
  • Download: 870ms
✅ Time to First Byte (TTFB)
TTFB: 173ms (Target: < 600ms).
✅ HTML Payload Size
Raw HTML: 37.6KB (Target: < 150KB).
✅ Text Compression
Compression enabled (gzip).
❌ Cache Policies
Missing Cache-Control headers.
❌ CDN Usage
No CDN headers found.
✅ Secure Delivery (HTTPS)
Served securely.
❌ Modern Protocol
Using HTTP/1.1.
❌ Native Lazy Loading
No lazy loading detected.
❌ Minified Assets
No minified assets linked.
❌ Preload / Preconnect Hints
Missing preload/preconnect hints.
✅ 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
GoDaddy Corporate Domains, LLC
Registered
2000-10-06
Expires
2027-10-06
Last Updated
2026-09-05
Status
client transfer prohibited
Name Servers
dstcuns1.siderca.com, ns1.techintgroup.net, otsrv1.techintgroup.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  ·  2 MX  ·  20 TXT  ·  5 NS
TypeValue
A40.123.47.58
MXmx2.hc3794-51.iphmx.com
MXmx1.hc3794-51.iphmx.com
TXT_6o1dul6lpbtiob3p6ufoeiv59loyzwz
TXTNJMV6F8EQTLU74K9ULEA3RADM6
TXT93ev8jfpdhgtuv882ku7qlls4a
TXTgoogle-site-verification=Ou96hVYaYzNo9_ZYI6cSnM2xAaK_n4C3HXHbKVHRdcA
TXT8rsm381bqbsrr268bkhz7144ltbl7qk6
TXTamazon-business-verification=1aa409657f93f2561290eff41ff1d7b455c8f10c1c7ff597e259a08f1ff58d35
TXTgl8bNPKg7h7tLg/1I0CsxjNOafjcL0e1NvuQ1ob5cEXfE85TzZQSpQdguloiOgNp3RgQ5C/ZFkp8iCpm+0QCQg==
TXTas-redir-tenariscomprod.azurewebsites.net
TXT_ch29t8w1mpxxyq6oxuar8b6iulsfyoh
TXTMS=ms36261078
TXTtwilio-domain-verification=34e32500d2d7ed68670c70bf905124fa
TXTgv4zrm14hbgc30r4dlvz6vl8ntdkks5l
TXTatlassian-domain-verification=7cW0maoqHezq4d2xLej5jSFVPXjo4snj7S6n4jSt4FKR5RpvpGioz2ZvMOSOmfGS
TXT4fpdrimdhl80n5ljjuvn3mlofo
TXTDynatrace-site-verification=7427f4c2-1f80-43b3-a9f2-ae154dce1d67__spr5aelj81flh5cskngjq4etm3
TXTn5thcmmyg6r5fnbslkf5v2c1jg73d3ly
TXTamazon-business-verification=dcedbd2474c6e13f193cb940e6aeff310c3854deabf0f398020e08243f349b1c
TXTDynatrace-site-verification=1826cb5f-9438-48f5-b845-3dd4c87b2db6__61jtbhgj23j9ghjqj2s56skkvu
TXTzgk48r97b1fyvs03ws8f76whdqfwcdbs
TXTv=spf1 exists:%{i}.spf.hc3794-51.iphmx.com include:spf.protection.outlook.com -all
NSdstcuns1.siderca.com
NSns1.techintgroup.net
NSdns2.techintgroup.net
NSdns1.techintgroup.net
NSotsrv1.techintgroup.net
⚙️ 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.

E-Commerce
Magento
Social & Schema
Open Graph Twitter Cards
Analytics & Tracking
Google Analytics Google Tag Manager
Infrastructure & CDN
ASP.NET
Caching
CDN Cache
🛡️ 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 (40.123.47.58) Verify ↗
Could not be verified automatically. Use the Verify link to check manually.
ℹ️ SpamCop (40.123.47.58) Verify ↗
Could not be verified automatically. Use the Verify link to check manually.
ℹ️ Barracuda (40.123.47.58) 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
1 Flag

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.

⚠️ This domain has been flagged by 1 reputation service(s). Review the details below.
✅ Sucuri SiteCheck Verify ↗
No malware or blacklist entries found.
✅ Norton Safe Web Verify ↗
No threats detected per Norton Safe Web.
🚨 URLVoid Verify ↗
FLAGGED: URLVoid reports this domain as blacklisted.
✅ 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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