mersen.com
Mersen, Global expert in electrical power and advanced materials
Last scanned Aug 4, 2026, 3:00 AM · 11 views
Overall score
Excellent
Summary
Mersen develops customized solutions and delivers key products to its clients in order to meet the new technological challenges shaping tomorrow’s world. This website uses Drupal behind Fastly CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.
Mersen develops customized solutions and delivers key products to its clients in order to meet the new technological challenges shaping tomorrow’s world.
Top issues to fix
5 issues found · 1 high priority
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
3 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
1.85 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 26, 2026
- Overall
- 91
- SEO
- 85
- Security
- 90
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Mersen, Global expert in electrical power and advanced materials
- Description
- Mersen develops customized solutions and delivers key products to its clients in order to meet the new technological challenges shaping tomorrow’s world.
- Canonical
- https://in.mersen.com/en
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Fastly
- IP address
- —
- ASN
- —
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
- mersen.com
- Valid from
- Aug 3, 2026
- Valid to
- Nov 1, 2026
- Days until expiry
- 89
- SAN domains
- *.mersen.com, mersen.com, prod-m5kk7fq-d3w5xlyqz42re.fr-3.platformsh.site, www.prod-m5kk7fq-d3w5xlyqz42re.fr-3.platformsh.site
Security headers
- Strict-Transport-SecurityEnabled
- 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 24 · H3 15
Links
59 internal · 30 external · 3 broken
Images
15 total · 0 missing alt
Scripts / Styles
10 scripts · 4 stylesheets
JS / CSS size
74.7 KB · 0 B
Page size
87.8 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://mersen.com
- Final URL
- https://in.mersen.com/en
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.84 s
- HTML size
- 87.8 KB
- Redirect chain
- https://mersen.com → https://www.mersen.com/ → https://in.mersen.com/ → https://in.mersen.com/en
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does mersen.com use?
- mersen.com is built with Drupal, jQuery.
- Is mersen.com secure (HTTPS)?
- Yes. mersen.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 1, 2026.
- Who hosts mersen.com?
- Hosting provider information for mersen.com is not available yet.
- What is mersen.com's SEO score?
- mersen.com scored 85/100 for SEO in the latest analysis (great).
- What is mersen.com's overall website score?
- mersen.com has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- Has mersen.com's score changed over time?
- mersen.com's overall score has declined by 1 point (from 92 to 91) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card