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SGSiteGraph

iao.ru

V.E. Zuev Institute of Atmospheric Optics

Last scanned Aug 3, 2026, 10:00 PM · 8 views

82

Overall score

Great

Summary

This website uses Apache. SEO is fair (55/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.

Top issues to fix

11 issues found · 2 high priority

  • Missing Content-Security-Policy header

    Security

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

  • Missing meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • 2 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.

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

+5 more issues — details in the sections below.

55

SEO

7 issue(s) found

100

Performance

264 ms

90

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Score history

+10 overall since Jul 26, 2026

Overall
82
SEO
55
Security
90
Performance
100
Accessibility
90

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
V.E. Zuev Institute of Atmospheric Optics
Description
Canonical
Language
Charset
UTF-8
Viewport
width=device-width, initial-scale=1
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.

jQueryApache

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
Let's Encrypt
Subject
iao.ru
Valid from
Jun 11, 2026
Valid to
Sep 9, 2026
Days until expiry
36
SAN domains
iao.ru, www.iao.ru

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 8 · H2 2 · H3 0

Links

89 internal · 33 external · 2 broken

Images

51 total · 10 missing alt

Scripts / Styles

11 scripts · 4 stylesheets

JS / CSS size

635 KB · 0 B

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 meta description
  • Missing canonical link
  • Multiple H1 headings found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • Missing <html lang> attribute

Scan details

Requested URL
https://iao.ru
Final URL
https://iao.ru
HTTP status
200
HTTP version
HTTP/1.1
Response time
262 ms
HTML size
111 KB
Redirect chain
https://iao.ru

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does iao.ru use?
iao.ru is built with jQuery, Apache.
Is iao.ru secure (HTTPS)?
Yes. iao.ru uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 9, 2026.
Who hosts iao.ru?
Hosting provider information for iao.ru is not available yet.
What is iao.ru's SEO score?
iao.ru scored 55/100 for SEO in the latest analysis (fair).
What is iao.ru's overall website score?
iao.ru has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
Has iao.ru's score changed over time?
iao.ru's overall score has improved by 10 points (from 72 to 82) since Jul 26, 2026.