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SGSiteGraph

optica.org

Home | Optica

Last scanned Aug 1, 2026, 5:00 PM · 8 views

82

Overall score

Great

Summary

Optica is the leading society in optics and photonics. This website uses jQuery. SEO is fair (70/100) and accessibility is good (80/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Missing canonical link.

Optica

Optica is the leading society in optics and photonics. Quality information and inspiring interactions through publications, meetings, and membership.

Top issues to fix

9 issues found · 1 high priority

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • 7 cookies without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

  • robots.txt not found

    SEO

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

+3 more issues — details in the sections below.

70

SEO

5 issue(s) found

90

Performance

1.31 s

90

Security

HTTPS & header checks

80

Accessibility

2 issue(s) found

Score history

-2 overall since Jul 25, 2026

Overall
82
SEO
70
Security
90
Performance
90
Accessibility
80

Organization

Company details published in this site's own structured data.

Optica

Optica is the leading society in optics and photonics. Quality information and inspiring interactions through publications, meetings, and membership.

Meta tags

Title
Home | Optica
Description
Optica is the leading society in optics and photonics. Quality information and inspiring interactions through publications, meetings, and membership.
Canonical
Language
Charset
utf-8
Viewport
width=device-width,initial-scale=1.0,shrink-to-fit=no
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
og:description
og:type
og:url

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
DigiCert Inc
Subject
www.optica.org
Valid from
Jul 14, 2026
Valid to
Jan 28, 2027
Days until expiry
180
SAN domains
www.optica.org, optica.org, www.osa.org

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsMissing
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyMissing

Compression: gzip · 7 cookie(s) observed

Content & assets

Headings

H1 0 · H2 7 · H3 9

Links

60 internal · 16 external · 20 broken

Images

21 total · 1 missing alt

Scripts / Styles

13 scripts · 4 stylesheets

JS / CSS size

2.5 KB · 1.2 KB

Page size

111 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing canonical link
  • No H1 heading found
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found
  • Missing <html lang> attribute

Scan details

Requested URL
https://optica.org
Final URL
https://www.optica.org/
HTTP status
200
HTTP version
HTTP/1.1
Response time
1.31 s
HTML size
111 KB
Redirect chain
https://optica.org → https://www.optica.org/

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Frequently asked questions

What technology does optica.org use?
optica.org is built with jQuery.
Is optica.org secure (HTTPS)?
Yes. optica.org uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Jan 28, 2027.
Who hosts optica.org?
Hosting provider information for optica.org is not available yet.
What is optica.org's SEO score?
optica.org scored 70/100 for SEO in the latest analysis (fair).
What is optica.org's overall website score?
optica.org has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
What company operates optica.org?
optica.org is operated by Optica. Optica is the leading society in optics and photonics. Quality information and inspiring interactions through publications, meetings, and membership.
Has optica.org's score changed over time?
optica.org's overall score has declined by 2 points (from 84 to 82) since Jul 25, 2026.