What is Search Engine Crawl Spiders and How They Work?

What is Search Engine Crawl Spiders and How They Work?

There are spiders on your own website.

Do not freak out! We are not talking about real eight-legged spiders. We are referring to Search Engine Optimization spiders. They’re the bots that make SEO occur. Each major search engine uses spiders to catalog the perceivable web site.

It is through the utilization of these spiders, sometimes referred to as crawl spiders or crawlers, that your site is ranked on popular search engines like Google, Bing, Yahoo, and many others.

Of course, Google is your big dog of the search engine world, so when optimizing a web site, it is best to maintain Google’s spiders in mind most of all.

But what are search engine crawl spiders?

The crux of this is simple: To rank highly on search engine results pages, you have to write, design, and code your website to appeal to them.

That means you have to know what they are, what they’re looking for, and the way they work.

Armed with this information, you’ll be able to optimize your site better, knowing what the most critical search engines on the world are seeking. You can also get help from professional SEO Dallas.

Let’s get right into it.


Before you can understand how a web crawler works and the way you can allure to it, you first have to know what they are.

Search engine spiders are the foot soldiers of this search engine world. A search engine such as Google has specific things that it needs to see in a highly ranked website. The crawler moves around the web and carries out the will of the research engine.

A crawler is just a piece of software directed by a particular purpose. For spiders, that goal is the cataloging of site information.

Google’s spiders crawl across websites, gathering, and saving data. They need to determine not just what the webpage is but the content of its material and the subject matter contained within.

They do this for each site on the web. To put that in perspective, you will find 1.94 billion websites active as of 2019, and that number rises daily. Every new site that pops up has to be crawled, analyzed, and cataloged by spider bots.

The search engine crawlers then deliver accumulated data to the search engine for indexing. That info is stored until it’s necessary. When a Google search query is initiated, the outcome and rankings are created from that index.


A crawler is a complicated bit of software. You have to be if you are going to be cataloging the whole web. But how does this bot function?

The crawler visits a website searching for new data to Include from the search engine index. That’s its final aim and the rationale for the existence. But a lot of work goes into this search engine bot’s task.

Step 1: Spiders Check Out Your Robots.txt File

When Google’s spiders arrive on a new website, they immediately download the site’s robots.txt file. The robots.txt file gives the spiders rules about what pages may and should be crawled on the website. Additionally, it enables them to appear through sitemaps to ascertain the overall layout of the pages and the way they should be cataloged.

Step 2: Spiders Check Your Links

One key factor that spiders hone in on is linking. Spiders can not only recognize hyperlinks, but they can follow them too. They use your site’s internal links to maneuver around and continue cataloging. Internal linking is essential for a lot of reasons, but they also create an easy path for search bots to follow.

Spiders may also take careful note of what outbound links, as well as what third party websites are linking to yours. When we say that link building is among the most critical elements of an SEO plan, we’re telling the truth. You have to make an inner web of links between your pages and blog posts. You also have to make sure that you’re linking to outside sources.

Step 3: Spiders Check Your Copy

A common misconception about search engine spiders is that they simply encounter the page and count all your keyword phrases.

While keywords play a part in your rank, spiders do a whole lot more than that.

SEO is all about tweaks to your copy. Those tweaks are created in an attempt to impress Google’s spiders and provide them exactly what they’re searching for.

Step 4: Spiders Look At Your Images

Spiders will require an accounting of your site’s images as they crawl the web. However, this is an area where Google’s bots need a little additional assistance. Spiders can’t simply look at an image and determine what it is. It understands that there’s an image there, however, it isn’t advanced enough to acquire the actual context.

That is why it’s so important to have alt tags and titles associated with every image. If you are a cleaning company, you probably have pictures showing off the results of your various office cleaning techniques. Unless you specify the image is of a workplace cleaning technique in the alt tag or title, the spiders aren’t likely to know.

Step 5: Spiders Do Everything Again

A Google spider’s job is never done. Once it is completed cataloging a site, it goes on and will gradually re-crawl your website to update Google on your content and optimization efforts.

These bots are always crawling to find new pages and new content. It’s possible to indirectly determine the frequency in which your pages are re-crawled. If you’re regularly updating your website, you are giving Google a motive to catalog you again. That is why consistent updates (and blog posts) ought to be part of each SEO plan.


To review, there are numerous measures that you can take to make sure your site is prepared for Google’s spiders to crawl.

Step 1: Have a transparent website hierarchy

Site structure is crucial to rank well in the search engines. Making sure pages may be available within a few clicks allows crawlers to get the information they want as fast as possible.

Step 2: Do Keyword Research

Know what type of search phrases your audience is using and find ways to work them in your articles.

Step 3: Create Quality Content

Write content that is clear which demonstrates your authority on a subject. Remember to not keyword stuff your text. Stay on topic and prove both your significance and experience.

Step 4: Build Links

Create a series of internal links for Google’s bots to use when creating their way via your site. Build backlinks from outside sources that relate to your business to boost your ability.

Step 5: Boost Meta Descriptions and Title Tags

Before a web crawler creates its way onto your page’s content, it will first read through your page title and metadata. Ensure these are optimized with keywords. The demand for quality content goes here as well.

Step 6: Add Alt Tags For All Images

Remember, the spiders cannot see your images. You must describe them to Google through an optimized copy. Use up the allowed characters and paint a clear picture of what your pictures are showcasing.

Step 7: Make Sure NAP Consistency

If you’re a local business, You need to make sure your Name, Address, and Phone Number not merely look on your website and throughout various third-party platforms, but they are consistent everywhere. Meaning that no matter where you are listing a NAP citation, the information should be identical.

That also applies to spell and abbreviations. If you are on Main Street, but you wish to abbreviate to Main St., be sure that you’re doing that everywhere. A crawler will notice inconsistencies, and it will hurt your brand legitimacy and SEO score.

Step 8: Update Your Website Regularly

A constant stream of new content will ensure that Google always has a reason to crawl your website again and upgrade your score. Blog posts are an ideal way to keep a steady flow of new content on your website for search engine bots to crawl over.


A strong understanding of SEO spiders and search engine crawling may have a positive impact on your SEO efforts. You have to know what they are, how they work, and ways to optimize your website to match what they’re looking for or you can hire SEO experts from ioVista Inc.

Ignoring SEO spider crawlers can be the fastest way to guarantee your site wallows in obscurity. Every query is an opportunity. Appeal to the crawlers, and you’ll be able to use your digital marketing plan to grow up the search engine ranks, achieving the very best spot in your industry and staying there for a long time to come.

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