istt.com
The International Society for Trenchless Technology (ISTT) - Welcome to ISTT
Last scanned Jul 22, 2026, 11:05 PM
Overall score
Great
Summary
The International Society for Trenchless Technology (ISTT) is a global leader in promoting trenchless technology innovations and best practices. This website uses Next.js hosted on HETZNER-AS - Hetzner Online GmbH, DE. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance good (80/100). Top issue: Title longer than 60 characters.
The International Society for Trenchless Technology (ISTT) is a global leader in promoting trenchless technology innovations and best practices. Explore resources, research, and industry news on trenchless construction methods to enhance infrastructure development while minimizing environmental impact. Join our network of professionals and stay updated with the latest advancements in trenchless technology
- Germany
- Hosted on HETZNER-AS - Hetzner Online GmbH, DE
Top issues to fix
8 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+2 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
610 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
The International Society for Trenchless Technology (ISTT) is a global leader in promoting trenchless technology innovations and best practices. Explore resources, research, and industry news on trenchless construction methods to enhance infrastructure development while minimizing environmental impact. Join our network of professionals and stay updated with the latest advancements in trenchless technology
Contact
Email, phone, and address published on this site's own pages.
- info@istt.com
Meta tags
- Title
- The International Society for Trenchless Technology (ISTT) - Welcome to ISTT
- Description
- The International Society for Trenchless Technology (ISTT) is a global leader in promoting trenchless technology innovations and best practices. Explore resources, research, and industry news on trenchless construction methods to enhance infrastructure development while minimizing environmental impact. Join our network of professionals and stay updated with the latest advancements in trenchless technology
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- HETZNER-AS - Hetzner Online GmbH, DE
- CDN provider
- —
- IP address
- 188.245.161.151
- ASN
- AS24940 (HETZNER-AS - Hetzner Online GmbH, DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- istt.com
- Valid from
- Jun 10, 2026
- Valid to
- Sep 8, 2026
- Days until expiry
- 46
- SAN domains
- istt.com, www.istt.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 5 · H3 0
Links
51 internal · 14 external · 0 broken
Images
60 total · 6 missing alt
Scripts / Styles
123 scripts · 3 stylesheets
JS / CSS size
989 KB · 863 KB
Page size
523 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 147
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://istt.com
- Final URL
- https://istt.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 600 ms
- HTML size
- 523 KB
- Redirect chain
- https://istt.com
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does istt.com use?
- istt.com is built with Next.js, Google Analytics, Nginx.
- Is istt.com secure (HTTPS)?
- Yes. istt.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 8, 2026.
- Who hosts istt.com?
- istt.com is hosted on HETZNER-AS - Hetzner Online GmbH, DE.
- What is istt.com's SEO score?
- istt.com scored 65/100 for SEO in the latest analysis (fair).
- What is istt.com's overall website score?
- istt.com has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card