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AI Chatbots

What the Crawler Learns, and What It Misses

Training a chatbot on your website content: what the crawler reads well, what it misses in forms, images and PDFs, and why outdated pages mislead it.

Updated 2 min readBy SpiderHunts Technologies

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Quick answer — TL;DR

The crawler reads your pages and turns them into retrievable passages. It handles ordinary pages well and struggles with content behind forms, in images, or in PDFs it cannot reach.

What the crawler does

It follows your site's links, reads the text of each page, splits it into passages and indexes them so relevant ones can be found later.

Your navigation, headings and page structure all help it. A well-organised site produces a better assistant, which is one more argument for tidy structure.

What it handles well

  • Ordinary content pages with real text
  • Service and product descriptions
  • FAQ pages, which are ideal
  • Blog posts and guides
  • Policy and terms pages

What it misses

ContentWhyFix
Text inside imagesNot readable as textAdd it as text on the page
Behind a loginNot reachableUpload as a document
Loaded only after interactionNot present in the pageProvide it another way
Linked PDFsSometimes reachable, sometimes notUpload directly
Prices in a system, not on a pageNot publishedUpload a price list
Prices are the most common gap. If your prices are not written anywhere the crawler can reach, the bot cannot quote them — and it should say so rather than guess.

Improving what it learns

  1. Write the answers to your top questions as real pages
  2. Put specifics on the page, not in a downloadable file
  3. Use the words customers use, not only your internal terms
  4. Remove or update pages that contradict current reality

Old pages are the hidden problem

A superseded page still on your site is just as visible to the crawler as the current one. Two versions of a policy produce inconsistent answers.

Before crawling, spend twenty minutes finding and removing anything out of date. It is the single highest-value preparation.

FAQ

Frequently asked questions

The questions readers ask us after this guide.

Still have a question?

Ask us directly — a senior engineer will get back to you.

Ask about your project

How long does a crawl take?

Minutes for a small site, longer for large ones. You can start using it as soon as it finishes.

Will it crawl our whole site?

It follows links from where you start it. Pages nothing links to will be missed, which is worth checking.

Can we exclude pages?

Yes — and you should, for anything internal, outdated or irrelevant.

Does it re-read pages automatically?

Recrawl when your content changes. It is quick and it is the step people forget after a price change.

Keep reading

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From Nothing to a Working Chat Assistant

Setting up SpideyChat in an afternoon: create the bot, describe your business, crawl your site, test your top twenty questions and install it.

Start here

Not sure what your site actually says?

Crawling it for a chatbot is a surprisingly good content audit. Try it at spideychat.com.

  1. You tell us what you needTwo minutes on the form, or a message on WhatsApp.
  2. A senior engineer reviews itAnd comes back with questions, a realistic range and an honest view on fit.
  3. Free 30-minute scoping callWe talk through scope, options and a realistic estimate — with no obligation.
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