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.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

+4 more issues — details in the sections below.

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Technology stack

web.ru is built with jQuery, Nginx and Google Analytics.

Hosting & DNS

Domain

web.ru

IP address: —
ASN: —
IPv6: Not supported
HTTP: HTTP/2

AAAA

TXT

CAA

Show DNS record values

TXT record contents are not republished; only their count is shown.

Security

web.ru serves a certificate that fails verification (hostname mismatch) and sets 2 of 6 recommended security headers.

Security

Security headers2 of 6 set

HSTS
Forces HTTPS
CSP
Blocks injected scripts
X-Frame-Options
Stops clickjacking
X-Content-Type
Stops MIME sniffing
Referrer-Policy
Limits URL leakage
Permissions-Policy
Restricts browser features

TLS certificate

Fails verificationTLS 1.3 · Let's Encrypt

Jul 3, 202637 days leftOct 1, 2026

Names covered: 5
Cookies set: 0

Email security

web.ru scores F for email security, with SPF and no DMARC policy.

20 / 100

SPFWeak
Marks unlisted senders as suspicious (~all) but does not reject them.
DMARCNot set
No DMARC policy: forged mail is not told to be rejected.
MTA-STSNot set
Not published; mail to this domain can be downgraded to plaintext.
BIMINot set
Not published (optional).

Performance & carbon

web.ru scores 90/100 for performance, with an estimated load time of 2.4 s. A visit emits an estimated 0.09 g of CO2 (grade A+).

Performance

Page weight

HTML 25.1 KB
JavaScript 3.9 KB
CSS 219 KB

Est. load: 2.45 s
Response: 2.45 s
Scripts / CSS: 13 / 5

Carbon per visitA+

A+ABCDEF

0.09 g CO2 per uncached view

Estimate from the Sustainable Web Design model. HTML, JavaScript and CSS only; images, video and fonts are not measured. Treat it as a lower bound for comparing pages, not an audit.

SEO & accessibility

web.ru scores 55/100 for SEO and 100/100 for accessibility, with 7 SEO issues to fix.

SEO

Accessibility

Heading structure

One H1: good.

Image alt text

100%

21 images · 0 without alt text · 0 lazy-loaded

SEO issues7

Title longer than 60 characters
Missing meta description
Missing canonical link
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Accessibility issues0

No accessibility issues detected.

Technical details

Page metadata, social tags, crawl files and scan information.

Meta tags

Title: Минералогический музей имени А. Е. Ферсмана РАН
Description
Canonical
Language: en
Robots meta

Crawl files

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

Structured data

No JSON-LD types declared.

Microdata items: 0
RDFa items: 0

Scan

Final URL: https://fmm.ru/
HTTP status: 200
Redirects: https://web.ru → https://fmm.ru/
Scanned: Aug 24, 2026, 1:22 PM

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Frequently asked questions about web.ru

What is web.ru?: fmm.ru is a website. It is also on Facebook and Instagram.
What technology does web.ru use?: web.ru is built with jQuery, Nginx and Google Analytics.
Is web.ru secure?: web.ru serves a certificate that fails verification (hostname mismatch) and sets 2 of 6 recommended security headers.
Is web.ru protected against email spoofing?: web.ru scores F for email security, with SPF and no DMARC policy.
What is web.ru's overall score?: web.ru has an overall SiteGraph score of 69/100, combining SEO (55), performance (90), security (40) and accessibility (100).

Score profile

Top issues to fix

Analytics (1)

Libraries (1)

Servers (1)