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Crawl Maps for SEO

Patrick Hathaway
Updated 06 April 2021

Crawl Maps for SEO

One of the features in Sitebulb that people seem most excited about is Crawl Maps, which, if you've not seen them yet, are interactive visualizations of your website architecture.

And they look awesome.

Table of contents:

Example Crawl Maps

Basically, Sitebulb will take your crawl data and map it out using a force-directed crawl diagram, displaying URL 'nodes' as dots, with links represented by the connecting lines ('edges').

The result is an interactive graph that can be incredibly useful for technical SEO audits, often revealing patterns in the site architecture that you'd struggle to spot otherwise. Visual site mapping can be a great way to take a high-level view of your website's structure.

I'll stop talking about it, and show you some examples instead.

Flat site architecture

Flat Website Architecture

This is like a classic 'SEO friendly' flat website architecture, with almost every page no more than 2 clicks from the homepage. You're looking at the big green dot in the middle as the homepage, then the smaller green dots are at crawl depth/level 1 (i.e. they are linked to from the homepage).

The orange dots are at a crawl depth of 2. In this instance, they represent product URLs, and the depth 1 nodes are sub-category URLs.

If you haven't guessed already, this is an ecommerce site with a pretty extensive mega menu.

Duplicate content

Crawl map showing duplicate content

Not an easy one to digest at first glance, but this is a significant case of duplicate content. In the upper left is the homepage (big green circle) and all the proper site content. But this also links off to two similar structures down at the bottom...duplicate homepages and in fact a duplicate website (twice over!).

Pagination chains

Crawl map with pagination chain

The long whip thing coming out the side is a string of paginated pages.

I've got another example of pagination actually, this one even weirder:

Crawl map with extreme pagination

That one was actually caused by some legacy pagination markup that wasn't even being used anymore! (hence the 'bare branches' with nothing coming off them).

Content Explosion

I like this one a lot. Shared by one of our beta testers, Gareth Edwards from Wolfgang Digital. It shows a relatively small 'product' site, with a large and complex blog.

The homepage is the big green circle at the bottom, and everything coming down off that is the marketing site which lists their products and services. The little green dot in the centre is the blog homepage, with posts, sections, categories and pagination coming off that.

Content marketing FTW.

Content Explosion

Interactivity

At this point you might be asking yourself how I'm so sure what I'm looking at. That's because of the bit that doesn't come across so well with static images - the Crawl Maps are also interactive.

If any particular 'node' piques your interest, you can hover over it to find out which URL it represents, along with data about its crawl depth and internal inlinks.

Crawl Map hover details

Attribution & Learning More

It would be remiss of me to not give credit where it's due, to the innovative marketers who inspired us to build this feature in the first place.

Finding a way to visualize website architecture has been pretty much at the top of our wish list when building the tool, and the method we were most keen to replicate was the one we first saw demonstrated by Ian Lurie, in his article 'SEO Using Force-Directed Diagrams'.

As you can see, the crawl maps produced by Sitebulb are very similar to Ian's, and I don't believe for a second that we'd have been able to come up with something this awesome on our own, so thank you Ian (and sorry for nicking your idea!).

To produce his visualizations, Ian used Gephi, and we were actually first introduced to Gephi many moons ago by Justin Briggs, when he set about visualizing external links in his blog post 'How to Visualize Open Site Explorer Data in Gephi.'

This was where we first learned about the concept of using graph theory to represent link data, and going back over his old posts helped us solidify our ideas for implementing Crawl Maps in Sitebulb.

As ever, we are extremely grateful to the wonderful members of the SEO community for consistently sharing such inspirational ideas.

The posts I linked to above can also serve as education pieces, if you are interested in learning more about this kind of data visualization. We have also published our own 'Crawl Maps FAQ' which gives some more specific insight into how Sitebulb's Crawl Maps are built.

Crowd-sourced Examples

Below you will find a collection of Crawl Map examples from the community, which have been grouped together loosely by yours truly, with their own colourful commentary included as extra sauce.

Manipulative

We've only got one of these so far, but it's a doozy:

Content Mess (Where to begin...?)

Crawl Maps are perhaps best for quickly showing you that you've got a real mess to untagle.

Before and Afters

At Sitebulb we pride ourselves on stocking an eclectic range of before and after Crawl Map tweets.

Content Explosion

It's probably what The Big Bang looked like.

Extreme Pagination

Pagination, but like you've never seen it before. Like on top of a mountain.

Videos

Some Crawl Map enthusiasts are not satisfied with a static image, and instead created epic multimedia extravaganzas for your viewing pleasure.

Trolling

At Sitebulb we believe in freedom of speech, even trolls are welcome here.

Nice site structure (huh? what?!)

I know, I know. You didn't come here to see sites with a nice structure. That's why they're at the bottom.

Calling all Crawl Map fanatics!

If you want to see your name and tweets up in lights on our illustrious tweet wall, get involved!

Simply tweet at us @sitebulb with a picture of your favourite Crawl Map(s), and you too can be featured on this page.

Please be warned, however, as some folks struggle to deal with the worldwide fame and celebrity that awaits.

Create Your Own Beautiful (or ugly) Crawl Maps

If you've not yet indulged in the joy that are crawl maps of your website's architecture - now is the time to unleash the nodes!

If you're already a Sitebulb user, here's a quick guide on where to find crawl maps in Sitebulb.

Not signed up for Sitebulb yet? You can get a 14 day free trial here, with full access to the crawl map functionality.

Patrick Hathaway

Patrick spends most of his time trying to keep the documentation up to speed with Gareth's non-stop development. When he's not doing that, he can usually be found abusing Sitebulb customers in his beloved release notes.

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