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SGSiteGraph

tg.dev

Telegram APIs

Last scanned Jul 26, 2026, 5:17 AM · 1 view

75

Overall score

Fair

Summary

This website uses Nginx hosted on Telegram - Telegram Messenger Inc, VG. SEO is fair (65/100) and accessibility is fair (60/100). Security scores good (85/100) and performance excellent (90/100). Top issue: Missing meta description.

AG
Hosted on Telegram - Telegram Messenger Inc, VG

Top issues to fix

10 issues found · 3 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.

  • Over half of images are missing alt text

    Accessibility

    Add alt attributes to images — screen readers depend on them, and they help image SEO.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • 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.

65

SEO

5 issue(s) found

90

Performance

1.64 s

85

Security

HTTPS & header checks

60

Accessibility

2 issue(s) found

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

Organization

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

Contact

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

Meta tags

Title
Telegram APIs
Description
Canonical
Language
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Telegram APIs
og:description
We offer three kinds of APIs for developers. The Bot API allows you to easily create programs that use Telegram messages…
og:type
og:url

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

CDN provider
IP address
149.154.167.99
ASN
AS62041 (Telegram - Telegram Messenger Inc, VG)

DNS records

TypeValue
A
  • 149.154.167.99
AAAA
  • 2001:67c:4e8:f004::9
MX
TXT
NS
CAA
CNAME
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
GoDaddy.com, Inc.
Subject
*.telegram.org
Valid from
Aug 11, 2025
Valid to
Sep 12, 2026
Days until expiry
48
SAN domains
*.telegram.org, telegram.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 1 · H3 16

Links

139 internal · 29 external · 1 broken

Images

1 total · 1 missing alt

Scripts / Styles

4 scripts · 3 stylesheets

JS / CSS size

66.5 KB · 193 KB

Page size

44.6 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
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • Over half of images are missing alt text
  • Missing <html lang> attribute

Careers

View careers page

This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.

Scan details

Requested URL
https://tg.dev
Final URL
https://core.telegram.org
HTTP status
200
HTTP version
HTTP/2
Response time
1.64 s
HTML size
44.6 KB
Redirect chain
https://tg.dev → https://core.telegram.org

See something wrong on this report? Request a correction

Frequently asked questions

What technology does tg.dev use?
tg.dev is built with Bootstrap, Nginx.
Is tg.dev secure (HTTPS)?
Yes. tg.dev uses TLS 1.3 with a certificate issued by GoDaddy.com, Inc., valid until Sep 12, 2026.
Who hosts tg.dev?
tg.dev is hosted on Telegram - Telegram Messenger Inc, VG.
What is tg.dev's SEO score?
tg.dev scored 65/100 for SEO in the latest analysis (fair).
What is tg.dev's overall website score?
tg.dev has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.
Is tg.dev hiring?
tg.dev has a careers page; check it directly for current openings.