www.alpertron.com.ar
Available
Page analyze update date:
2025/11/08 17:17:02
Last whois update date:
2026/07/04 02:09:28
Domain Status
Available
×
![Fullscreen website screenshot]()
www.alpertron.com.ar Website screenshot
SEO Score
80.14%
117
Score achieved
146
Maximum score
Main Information
Title: Sitio de matemáticas y assembler de Dario Alpern
Description: Incluye un programa 3 en 1 escrito en assembler 80x86 que calcula pi, e, ln 2, una calculadora de numeros complejos (Javascript) y mas...
Keywords: unknown
Page Encoding:
utf-8
Body and server charset are different!
Page Filesize: 16 KB
Server Information
IP: 35.190.31.54
Location: United States,US,37.751,-97.822,America/Chicago
Encoding: UTF-8
Meta Tags List
- charset: utf-8
- itemprop: name content: Alpertron
- name: keywords content: numeros, numeros primos, pi, e, ln 2, programas assembler 80x86, calculadora de numeros complejos
- name: description content: Incluye un programa 3 en 1 escrito en assembler 80x86 que calcula pi, e, ln 2, una calculadora de numeros complejos (Javascript) y mas...
- name: Author content: Dario Alejandro Alpern
- name: viewport content: width=device-width, initial-scale=1.0
Internal Links
Whois Raw Data
domain: alpertron.com.ar
registrant: 20210715100
registrar: nicar
registered: 1999-05-03 00:00:00
changed: 2025-04-18 09:36:25.312843
expire: 2026-05-03 00:00:00
contact: 20210715100
name: ALPERN DARIO ALEJANDRO
registrar: nicar
created: 2014-02-04 00:00:00
changed: 2025-04-18 09:36:23.488788
nserver: ns2.siteground.net ()
nserver: ns1.siteground.net ()
registrar: nicar
created: 2016-06-30 23:06:27.092518
Robots.txt
User-agent: * Disallow: /family/ Crawl-delay: 10 Sitemap: https://www.alpertron.com.ar/sitemap.xml
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
!
Character Encoding
Page: utf-8, Header: UTF-8
Character encoding mismatch between HTML and HTTP headers.
✓
Page Size
17098 bytes
Page size acceptable for fast loading.
✓
Resources
8 total
Optimal number of resources.
✓
Hreflang Tags
2 hreflang tags
Hreflang tags found for multilingual SEO.
✓
Robots.txt
Exists
Robots.txt file found.
✓
Sitemap
Declared in robots.txt
Sitemap declared in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
✓
Compression
gzip
Gzip or Zstd compression enabled for faster loading.
!
Caching
Not set
Add cache-control headers to improve loading speed for returning visitors.
✓
Page Speed
9 ms
Excellent loading speed.
On-Page SEO
✓
Title
Sitio de matemáticas y assembler de Dario Alpern
Good title length (30-60 characters).
✓
Meta Description
Incluye un programa 3 en 1 escrito en assembler 80x86 que calcula pi, e, ln 2, una calculadora de numeros complejos (Javascript) y mas... Lenght:137
Good meta description length (100-160 characters).
✓
H1 Heading
1 found - "Sitio Web de Darío Alpern"
Good - single H1 heading found.
!
Word Count
337
Content somewhat short. Expand to 500+ words for optimal SEO.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
Meta keywords are optional (not used by major search engines).
Content and UX
✓
Language
es
Language attribute properly set.
✓
Images
2 total, 0 missing ALT
All images have proper ALT text.
✓
Viewport
width=device-width, initial-scale=1.0
Viewport meta tag properly set for mobile devices.
!
Open Graph
Missing: og:title, og:description, og:image, og:url
Add missing OpenGraph tags for social media sharing: og:title, og:description, og:image, og:url
✓
Structured Data
1 JSON-LD scripts
Structured data (JSON-LD) found.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 7(-1) | /CONTFRAC.HTM | ||
| 8 | /CONTFRAC.HTM |