What Is Spider In SEO And How Do Spiders Work?

August 31, 2021

What Is Spider In SEO And How Do Spiders Work? | AIA Book in a free 30 minute strategy session

Don’t like spiders? Well, for SEO purposes, spiders are essential but don’t worry, they are nothing like the real thing.

A search engine spider, or a web crawler, is simply a bot search engines rely on to crawl websites and bring back information to allow Google, Bing, and other search engines to index them.

But how do they work, and how much do they have to say about a website’s rank in the search engine results pages (SERPs)? Let’s discuss.

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How These Bots Work

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So a user types a search query, and gets a list of websites, in a particular order. But how does Google know about all these sites? The answer is the search engine spider.

Spiders work similarly across search engines. For instance, Google Spiders operate virtually the same as Bing Spiders, in that both visit web pages looking for new information to add to the index. They jump from link to link and look around the site to see what it has to offer.

Then, the spiders work hard to bring back information about these web pages. The pages are then analysed through the search engine’s ranking factors, and a position on the SERP is set. Search engines can have different ranking factors, which is why the same link can rank differently on Google as it does on other engines.

Why Do Spiders Affect Your SEO?

So if search engines use spiders to crawl websites, but then the ranking factors are the ones that decide the position in search queries, do these bots even affect SEO?

Yes, and it has to do with how search engines work. These web crawlers can recognize hyperlinks and use them to navigate through different web pages. It’s why if you have a page on your site that’s not linked anywhere on the web, that page will have next to 0 traffic – neither users nor the crawlers have any way to end up on that page.

So in a way, if that spider doesn’t crawl your page, your entire search engine optimisation efforts are pretty much for nothing, since the search engine won’t be able to index that page or site.

The good news is that it’s not that difficult to ensure all your pages can be crawled and indexed, and it ties into a larger link building strategy:

  • Creating a site map
  • Adding internal and external links
  • Posting links to social media
  • Block low-quality pages from adding links to your site
  • Guest Post on high-quality sites to get more relevant, high-authority links your way

Improve Your SEO Efforts Now

AIAD is here to help you boost your SEO efforts and get even better results. Start by using our free SEO report tool to get a better idea of where your site is at right now, then get in touch with our SEO team to find out more.



Billy P.

About The Author

William Polson founded Australian Internet Advertising in 2013 and has over 12 years of experience immersed in Digital Marketing.

With an in-depth level of digital marketing knowledge, William has been sort after by and worked for, many large national brands including Subaru, Blooms The Chemist, and Nova 96.9.

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