Come si rende una pagina crawlabile?
Seo main factors
What are Crawlable Anchors
Search engine crawlers are able to follow the links of your website exclusively if they use proper <a> tags with resolvable URLs:
How to use <a> tags properly
If a link is an <a> tag with an href attribute, crawlers will be able to follow it correctly; on the other hand, if the format is different (i.e. without an href tag or other tags relative to a link), crawlers will not follow it: this is due to the script events.
For instance, crawlers can follow:
They can not follow:
Make sure to link to resolvable URLs
You have to be sure that in the <a> tag you are linking to a valid URL, namely that the crawlers can interact with it, such as:
What is not considered a valid URL: