Cache issues with images not showing up

If I visit your first link and look at the response, I get a 500 Internal Server Error when trying to get the following resource: http://designportugal.net/wp-content/themes/dt-nimble/timthumb.php?src=/wp-content/uploads/2012/11/drpedrocoelho.png&zc=1&w=30&h=30 so my guess is that your problem is with the timthumb plugin. Try disabling the plugin and see if your error goes away.

How to change picture size

You need to change the size in settings to the new one. Then you have to regenerate the images to that new size because when you change the size within WordPress they are still saved as the previous size. For that you can use a plugin like : Regenerate Thumbnails After you have run the … Read more

Image “description” and SEO within WP

The alt tag is the description for an image… This tags exists since google cant “read” the image. That is why we describe the image for googe / bing / etc… the alt tag should no be longer then 3-5 words max (3 is better). The title tag is not a must unless you wish … Read more