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SEO Report for

Nov 25, 2019 12:57 pm
Don't have a calculation code?
Desktop screen Desktop screenshot for

8 criteria passed
3 criteria to solve


Make your title tag clear, concise and include your most important keywords.
Fill the missing alt attributes on your images.


• Category
Technology & Computing  >  JavaScript
• Online since
December 23, 1999 (explore Wayback Machine)
• Age
23 years, 2 months, 29 days
• Alexa Rank
#453.357, is in the world's top 1 million websites


Representation of an online Form

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SSL Certificate
This website is not SSL secured (HTTPS), the certificate issued by COMODO CA Limited has expired on April 27, 2020.
Title Tag | El blog de José Manuel Alarcón Aguín. Programación web y mucho más...
Length: 87 (recommended: 10 to 70)
Meta Description - El blog de José Manuel Alarcón Aguín. Programación web y mucho más... - El blog de José Manuel Alarcón Aguín. Programación web y mucho más...
Length: 164 (recommended: 50 to 160)
Google preview
Desktop Version | El blog de José Manuel Alarcón Aguín. Programación web... - El blog de José Manuel Alarcón Aguín. Programación web y mucho más... - El blog de José Manuel Alarcón Aguín. Programación web y mucho más...

Mobile Version

Favicon for | El blog de José Manuel Alarcón Aguín. Programación web... - El blog de José Manuel Alarcón Aguín. Programación web y mucho más... - El blog de José Manuel Alarcón Aguín. Program...

Great, language/character encoding is specified: utf-8
URL Resolve

Great, a redirect is in place to redirect traffic from your non-preferred domain. All versions of your page point to the same URL.

URL Parameters
Great, the domain URLs look clean.
Attribute Value
viewport width=device-width, initial-scale=1, maximum-scale=1
author JMAlarcon -


The owner has associated the following topics to the website.

The results of our semantic analysis are shown below using the website's language.

They are the main concepts covered by

Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.

World Wide Web Confidence: 77% Arrow up

En informática, la World Wide Web (WWW) o red informática mundial es un sistema de distribución de documentos de hipertexto o hipermedios interconectados y accesibles vía Internet.

Con un navegador web, un usuario visualiza sitios web compuestos de páginas web que pueden contener textos, imágenes, vídeos u otros contenidos multimedia, y navega a través de esas páginas usando hiperenlaces.

Blog Confidence: 74% Arrow up

Un blog (contracción del inglés web log) o bitácora web es un sitio web que incluye, a modo de diario personal de su autor o autores, contenidos de su interés, actualizados con frecuencia y a menudo comentados por los lectores.

Programación Confidence: 69% Arrow up

La programación informática o programación algorítmica, acortada como programación, es el proceso de diseñar, codificar, depurar y mantener el código fuente de programas de computadora.

El código fuente es escrito en un lenguaje de programación.

El propósito de la programación es crear programas que exhiban un comportamiento deseado.

El proceso de escribir código requiere frecuentemente conocimientos en varias áreas distintas, además del dominio del lenguaje a utilizar, algoritmos especializados y lógica formal.

Programar no involucra necesariamente otras tareas tales como el análisis y diseño de la aplicación (pero sí el diseño del código), aunque sí suelen estar fusionadas en el desarrollo de pequeñas aplicaciones.

WEBSITE SPEED website speed is normal. Page speed is important for visitors and search engines.

Get insights to improve your page loading time.


This website is ranked #453.357 by Alexa.

This rank is traffic based. The lower the rank is, the better the domain is ranked.

Daily visitors by country

  • daily visitors distribution - Total: 1 country
  • Flag for ColombiaColombia (46.2%)
  • Flaf icon for other countryOthers (53.8%)

Traffic country ranks

Country Rank
Flag for ColombiaColombia #13.412


Doctype HTML5 Arrow Responsive website, mobile-friendly. Arrow

Mobile Rendering

This website seems to be optimized for Mobile Visitors.

How looks like on a mobile device such as an iPhone.

How looks like on a tablet such as an iPad.

Main colors used

These are the main HTML color codes used by this website. Arrow
  • 41% #f0f0f0
  • 35% #ffffff
  • 2% #f0d0d0
  • 2% #fff0f0
  • 2% #001030
  • 2% #fffff0
  • 2% #e0c0c0
  • 1% #f0ffff
  • 1% #e0b0b0
  • 1% #c06060
  • 1% #1060a0
  • 1% #506070

Text/code ratio's text/code ratio is 18.85%. It's a bit low. Consider raising it by adding more text content of value for your visitors, or keeping your code clean.
Text / Code Ratio 18.85%

A good text to HTML ratio is anywhere from 25 to 70%.

This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.

Main HTML tags

Headings Arrow up

Great, we found headings on this page.

  • <H1> 1
  • <H2> 11
  • <H3> 0
  • <H4> 0
  • <H5> 0
  • <H6> 0
Top level heading
2nd level heading
El blog de josé manuel alarcón aguín. programación web y mucho más...
Personalizar emmet en visual studio code y librarse del meta "x-ua-compatible ie=edge"
Cómo usar una hoja de cálculo de google como backend json
¿cómo averiguar qué versión o versiones de la plataforma .net tengo instaladas en mi equipo?
Git: establecer winmerge como herramienta de diferenciación de archivos
Alt attributes Arrow up

We found 22 images on this website.
16 ALT attributes are missing on your image tags. The issue affects 9 actual different images that could be loaded more than once in your page.

Alternative text allows you to add a description to an image.

Google rely on alternative text attributes to determine relevance to a search query. Alternative text also makes an image more likely to appear in a Google image search.

It looks like you're missing alternative text for 16 images on Check your website to make sure it's specified for each image on the page.


This is an overview of your homepage shares on social networks.

It seems you have a very poor social media presence.

Follow these tips to build a better relationship with your audience : set smart goals, identify your audience, be human, seek relationships, create an editorial calendar, automate, focus on helping, optimize for engagement, get visual, stay active and create great content.

  • Facebook iconFacebook
  • Total Engagement 0
  • Likes 0
  • Shares 0
  • Comments 0


Registration Date 12/23/1999 23 years, 2 months, 29 days ago
Last Modified 12/23/2018 4 years, 2 months, 28 days ago
Nameservers Arrow up
Host IP Address Country Flag for United StatesUnited States Flag for United StatesUnited States


Server map
  • Service Provider (ISP)
  • Cloudflare, Inc.
  • IP Address
  • Country
  • Flag for United StatesUnited States
  • Region
  • Virginia , Ashburn
  • Latitude and Longitude
  • 39.0438 : -77.4874