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mersen.com

Mersen, Global expert in electrical power and advanced materials

Last scanned Aug 4, 2026, 3:00 AM · 11 views

91

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

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 3 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

85

SEO

3 issue(s) found

90

Performance

1.85 s

90

Security

HTTPS & header checks

100

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.

Mersen develops customized solutions and delivers key products to its clients in order to meet the new technological challenges shaping tomorrow’s world.

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

OpenGraph & Twitter Card

OpenGraph

og:title
Mersen, Global expert in electrical power and advanced materials
og:description
Mersen develops customized solutions and delivers key products to its clients in order to meet the new technological challenges shaping tomorrow’s world.
og:type
og:url

Twitter Card

twitter:card
summary
twitter:title
Mersen, Global expert in electrical power and advanced materials
twitter:description
Mersen develops customized solutions and delivers key products to its clients in order to meet the new technological challenges shaping tomorrow’s world.

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
Fastly
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

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

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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.