spbstu.ru

https://spbstu.ru· First analyzed 26 Apr 2026· Updated 26 Apr 2026

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spbstu.ru

Mobile

Sponsored

Hosting Provider

Yandex Cloud

IP Address

178.154.244.120

Site Location

🇷🇺 Russiavia phone

Server Location

🇷🇺 Moscow, Russia

ASN

AS200350

Server

Nginx

Nameservers

cnd-b1.spbstu.ru.a1-dns-spbstu.spbstu.ru.b1-dns-spbstu.spbstu.ru.cnddc01.spbstu.ru.+1 more

Performance

Core Web Vitals

Weight

First Contentful Paint

1.5 s10%

Speed Index

1.9 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

7.3 MB

167 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Yandex Cloud

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

7 Technologies Detected

Libraries

Other

CSS Frameworks

Icon Libraries

Fonts

Web Servers

SEO Analysis

C61/100

Meta Tags7/15

Content11/12

Headings1/8

Technical18/25

E-E-A-T0/7

Images4/7

Links5/5

URL5/5

Social3/5

Freshness0/4

Mobile4/4

Indexability3/3

spbstu.ruspbstu.ru

Санкт-Петербургский политехнический университет Петра Великого - Вы...

Санкт-Петербургский политехнический университет Петра Великого (СПбПУ)

Title truncated.

Title Length92 chars

Recommended: 50-60 chars (~570px / 580px)

Description Length70 chars

Recommended: 120-160 chars

Issues (2)

• Title is too long (92 chars, ~570px). Will be truncated in search results.
• Missing H1 tag — every page should have exactly one H1

8 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

1 URLs

1 sub-sitemaps

robots.txt

128 rules

Sitemap reference found

Local SEO

Local Search Readiness

17/100

Poor

5 10 2

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

Sponsored

AI & LLM Readiness

D40/100

Bot Access

20/25

Machine Read.

10/25

Schema Data

0/25

Citation

10/25

AI Bot Access

14/14 accessible

AI Search

OAI-SearchBot

PerplexityBot

Claude-SearchBot

Gemini-Deep-Research

DuckAssistBot

Training

GPTBot

ClaudeBot

Google-Extended

Meta-ExternalAgent

Bytespiderinfo

Amazonbot

Applebot-Extended

CCBotinfo

Fetch

ChatGPT-User

Machine Readability

llms.txt

llms-full.txt

Semantic HTML

Heading Hierarchy

nav

Text ratio:9%

Words:2,356

Token eff.:Optimal

Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary

Descriptive Headings

Canonical URL

Open Graph3/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (10)

AI readiness recommendation preview...

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Sponsored

Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.

76/100

Passed

Critical

Warnings

Images & Alt Text

20/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

13/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

10/15

Verifies form fields have labels, error messages are clear, and inputs are properly associated.

Color & Contrast

15/15

Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.

Keyboard & Focus

9/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

9/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

3 recommendations

•Accessibility recommendation preview...

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Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.

20/100

918 mg

CO₂e / view

7.3 MB

Page Weight

Cleaner Than

New Visitor

1.05 g

Returning (cached)

525 mg

Annual (10K/mo)

110.2 kg

Emission Segments

Data Center

205 mg

Network

220 mg

Device

493 mg

Resource Breakdown

JavaScript

778.8 KB

Images

6.0 MB

CSS

428.8 KB

Fonts

1.2 KB

HTML

41.3 KB

Other

1008 B

Green Hosting Not Verified

Yandex Cloud

7 recommendations

•Carbon footprint recommendation preview...

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Security Score

41%Poor

Interactive

HTTPS

No WAF

76d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (3072 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

13.04.2026

Valid Until

12.07.2026

Subject Alternative Names (2)

*.spbstu.ruspbstu.ru

SHA-256 Fingerprint

85:A2:51:17:CF:CB:30:F7:72:54:E5:49:C3:57:9B:19:68:DF:65:87...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=UTF-8

date

Sun, 26 Apr 2026 16:43:30 GMT

etag

99f833ffa4c2bb5fe1f595147003090a

expires

Fri, 07 Jun 1974 04:00:00 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

ksms.spbstu.ru

Domain Information

spbstu.ru

Domain Age

27y 2m

Created

17.02.1999

Expires

28.02.2027

Registrar

RU-CENTER-RU

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.

68/100

Mobile Friendly1 breakpoint

Viewport Meta

The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.

Responsive Design

Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.

Touch Icons

Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.

Readable Font Size

Base font size should be at least 16px on mobile to ensure text is readable without zooming.

Relative Units

Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.

No H-Scroll Risk

No elements wider than the viewport that would cause horizontal scrolling on mobile devices.

Tap Targets OK

Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.

No Fixed Widths

No elements with fixed pixel widths that could overflow on smaller screens and break the layout.

Viewport

width=device-width, initial-scale=1, maximum-scale=1

2 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

Ubuntu

WCAG Partial

55/100

Readability

/30

18/30

14px · LH 1.60

Hierarchy

/20

8/20

WCAG

/25

13/25

1:1 min contrast

Performance

/25

16/25

1 font · 4 req

Heading Font

Ubuntu

Body Font

Ubuntu

Sans14px

Contrast Ratio

1:1

15 issues

Reading Comfort

~43 CPL

Narrow lines

13px

14px

⚠️ Small text: 14px may strain on mobile. Use ≥16px for WCAG compliance.

✅ Optimal line spacing: 1.60 ratio (ideal range 1.4–1.6).

⚠️ Partial contrast: 15 elements below WCAG AA threshold (min 1.0:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

❌ Pure vw font sizes: Viewport units alone break browser zoom (WCAG 1.4.4 fail). Use clamp(rem, vw, rem).

✅ Lean font stack: 1 font families keeps load times fast.

GGoogle Fonts

Color Palette

10 unique colors

Light

#ffffff

Primary· 43.4%

#144249

Accent· 12.8%

#4ea29c

Secondary· 7.7%

#37879b

Secondary· 6.4%

#a3d7d2

Secondary· 6.4%

#165c62

Accent· 6.3%

#92cbc2

Secondary· 6%

#356767

Secondary· 5%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

27 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(17)top-fwz1.mail.ru(1)mc.yandex.ru(1)bitrix.info(1)

Website Identity

spbstu.ru

office@spbstu.ru

+78127750530

27 years old

Location detected: 🇷🇺 Russiavia phone

RU-CENTER-RUru

Social Profiles

YouTube Telegram

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Last analyzed: 26 Apr 2026 at 16:43

Historical Analysis & Change Tracking