Nibbler SEO audit for


The overall score for this website.


How accessible the website is to mobile and disabled users.

The following tests contribute to this score:


How satisfying the website is likely to be for users.


How well marketed, and popular the website is.


How well designed and built the website is.

Nibbler tested a sample of 5 pages from this website at 23:52 on 17 Mar 2023 (GMT).

Top priorities for website improvement

  • Consider a leading website analytics solution, such as WebTrends or Google Analytics. (read more)
  • Make sure that all the pages of this website include a meta description. If you don't include one, Google will choose a sample of text from the page to appear in the search engine result. By including a meta description, you can control how your search engine result will appear. (read more)
  • Consider updating this website regularly with new content. (read more)


This website does not appear to be associated with a Twitter account.

  • This website did not contain a link to Twitter.
    • Sign up for a Twitter account and make sure it is linked to from your site.


0% of pages use analytics

No Analytics SolutionNo

  • None of this website is using any recognised analytics software. It is still possible to gather a great deal of information from webserver logs, however complete visitor analysis requires client-side Javascript or an image not found here.
    • Consider a leading website analytics solution, such as WebTrends or Google Analytics.
  • Note that this test can only detect recognised analytics solutions. If an analytics solution is new, obscure or used in a non-standard way (e.g. it has been customised) it may not be detected.


Last updated November 10, 2020

  • It looks like this website was last updated on Tuesday, 10 November 2020. This is bad because visitors may dismiss this website as outdated. Websites that are not updated regularly are also spidered by search engines less often.
    • Consider updating this website regularly with new content.
  • To find this information we used the last modified dates reported by this website's server in addition to looking for dates written on each page.

All dates found

08/07/ modified header
31/10/ modified header
22/06/ modified header
20/06/ modified header
20/06/ modified header
16/02/ modified header
31/10/ modified header
12/11/ modified header
16/02/ modified header
10/11/ modified header
31/10/ modified header

Meta tags2.0

Meta Tags (http-equiv attribute)

Page URLNameContent

URL format5.2

Amount of content8.2

Rendering Chart...

  • This website has an average of 1,338 words per page. The amount of content on a website has been shown to correlate with its search engine ranking.


50% of images have a clearly defined size

1 image is being resized by the browser

  • Some images (50.0%) don't have defined sizes using width and height attributes in the HTML. These attributes are optional, but strongly recommended as they help the browser arrange the page more quickly.
  • 1 image is being stretched in the browser.


Mobile screenshot of framework-gb.cdn.gob.mxTablet screenshot of
  • All of this website appears to be optimised for viewing on a mobile phone or a tablet.

Media specific CSS detected

MediaMin widthMax widthCSS file
(transform-3d), (-webkit-transform-3d)
(transform-3d), (-webkit-transform-3d)

Server behaviour10.0

Yes404 page


  • This website handles missing pages correctly by sending a 404 HTTP status code.
  • This website was served with GZIP encoding. This is very good because it reduces the loading time of a web page.
  • This test is not applicable as this website appears to be on a subdomain.

Page titles10.0

100% of pages have defined titles

0% of page titles are weak

  • All pages were found to use page titles appropriately. Page titles appear in search results and at the top of the browser's window when visiting the site. Appropriate page titles are particularly important for search engine optimisation.


alerta ambiente archivos ayuda barra bloque botones breadcrumbs cerrar clases colapsables colores completado conexi configuraci conos cuerpo cula datepicker ejemplo encabezados especiales esta estado estilos fechas formulario frameworks gama glyphicons grupo horizontal html https iframes importante incluye inicial javascript lista mediante migrando mite modal modales modo objetivo paneles para paso pesta proceso prueba rutas segura selecci selector separadores sica sico siguientes sistema subnavegaci tablas tabs texto tooltips tulo ventana ventanas

  • All pages were found to use defined headings. This is excellent as it allows visitors and search engines to summarise the content of webpages quickly. Correctly defined headings aid accessibility and are particularly important for search engine optimisation.

Page headings detail

URLHeadingLevel a la guía de estilo para gob.mxH1 Ejemplo TextoH1ón básicaH2 básicoH2 de retículaH2 de coloresH2 de subnavegaciónH2 Ejemplo TextoH2 de textoH2 colapsablesH2ñas (tabs)H2 modalesH2 de fechas (datepicker)H2ÍconosH2 de ayudaH2 de archivos con conexión segura (https)H3 Ejemplo TextoH3 para encabezadosH3 de alerta básicoH3 de alerta con botón de cerrarH3 de usoH3 de usoH3Íconos especiales para gob.mxH3 de pruebaH4 guía ya incluye los siguientes frameworks y librerías y por lo tanto se recomienda no agregarlos dentro de los htmls:H4 de títuloH4 de faviconH4 importanteH4 especiales para uso de jQueryH4 básicoH4 de logotiposH4 básicoH4 linealH4 sencilla de textoH4 para múltiples líneas de textoH4 de verificación y botones de opciónH4 de selecciónH4ños de botonesH4 activoH4 deshabilitadosH4 de botonesH4 de botones verticalH4 de botones justificadosH4 con íconoH4ónH4 Ejemplo TextoH4 desordenadaH4 ordenadaH4 sin estilosH4 horizontalH4 básicoH4 marcadas con franjasH4 bordeadasH4 responsivasH4ítulo de bloque 1H4ítulo del bloque 1H4 de ventana modalH4 data-attributesH4 JavascriptH4 de fechas básicoH4 de fechas con selección de añoH4 básicoH4 Ejemplo TextoH5 razones de rendimiento, el tooltip se deberá inicializar manualmente:H5 Ejemplo TextoH6 citasH1 de usoH3 básicoH1 de formulario básicoH2 de formulario básico con estilos de validaciónH2 de ventana modal de confirmaciónH4 de trámite/formularioH1ámite/formulario básicoH2ámite/formulario extensoH2 inicialH3 procesoH3 inicialH3 procesoH3 1H5 2H5 3H5 4H5 1H5 2H5 3H5 4H5 1H5 2H5 3H5 4H5ón a gob.mxH1 estamos migrando a gob.mxH3


100% of pages are optimised for printing

  • All of this website appears to be optimised for printing (using CSS).

Media specific CSS detected

MediaMin widthMax widthCSS file
(transform-3d), (-webkit-transform-3d)
(transform-3d), (-webkit-transform-3d)


17679Estimated monthly organic visitors

  • This website appears to have a high number of monthly website visits each month

Source: Ahrefs

Domain agei

  • Sorry, we cannot check the domain age of websites.

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