What affects traceability and indexability?

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The information architecture of a website plays a crucial role in traceability.

For example, if your website's featured pages aren't linked to from anywhere else, bots crawling the web may have trouble accessing them.

They can always be accessed from external links, for example, when someone mentions them and links to those pages.

But generally speaking, a weak structure will cause problems in the tracking ability of the engines.

2.- The internal structure of links
A web crawler, or spider, travels through the web following links, just like you would.

And therefore, it can only find pages that are linked to from other content.

A good internal link structure will also allow you to quickly reach even the deepest pages on the web.

On the contrary, a weak structure will lead to the appearance of the aforementioned dead ends, which could cause the crawler to miss some of the great content you have published on your website.

3.- Loop redirects
Broken page redirects stop crawling, leading to crawlability issues.

4.- Server errors
Similarly, server redirects and many other related issues can prevent email list france spiders from accessing your content.

5.- Unsupported scripts and other technological problems
Traceability issues may arise as a result of the technology used on the website.

For example, since spiders don't crawl forms, the content behind the forms' doors can cause crawlability issues.

Scripts such as Javascript or Ajax can block content on your website, preventing traceability.

6.- Blocking access to web crawlers
Finally, you can intentionally block crawlers and thus prevent them from indexing your website or part of it.

There are good reasons for this, believe me.

For example, imagine you have created a page that you want to restrict access to certain users.

To prevent access, you should block such access to search engines.

However, it's easy to accidentally block other sites at the same time.

A simple error in the code, for example, can block an entire section of your website.

You can find an overview of traceability issues in this infographic.