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Indexing and crawling. What are these processes and how do they impact SEO optimization?

6 minutes of reading
Indexing and crawling. What are these processes and how do they impact SEO optimization?
Category SEO

If you’re trying to optimize your website so that it ranks higher in Google searches, there are two processes that are incredibly important to understand: indexing and crawling. Once your site has been indexed, it can be accessed by the search engine spiders, which find and crawl through pages of your site to add them to the search engine’s database, also known as its index. This article will teach you what each process entails and how they impact search engine optimization.


How does Google see your site?

The first thing Google does when it visits your site is to look at the content, images, links and other site information like how long it takes for a page to load. Then it looks for signals about how fresh the content is and what parts of your site people are spending time on. It also checks to see if you have included all the right metadata tags that let us know who you are and where to find you online. Finally, we run an algorithm that helps us understand how well your site supports queries made by users around the world. All this is done automatically as we crawl through billions of web pages every day.

What is indexing?

Indexing is the process of taking web pages that exist on the internet and creating a searchable, easy-to-read list of all their contents. These indexes are what make search engines like Google possible in the first place, because without them we would have to manually look through a lot of websites one by one to find what we were looking for. The downside to indexing is that it can take time – your website or post might not be indexed immediately after you publish it.


In order to rank on Google, you need to get indexed. Indexing is the process of having your website’s URL added to Google’s databases so it can be crawled. With a pre-indexed website, Google knows about your page and can find it faster. The key to getting indexed quickly is making sure that the robots crawl your site properly. If they are not able to reach all of your pages, then they will only index what they see and not what they don’t see.

What is the Google index?

The Google index is what they call the all-inclusive list of web pages. When someone performs a search query, the top results are usually links to web pages that have been indexed by Google. It takes time for these pages to be added into the index because it must first crawl them and identify their content. As more sites go live on the internet, crawling new websites becomes increasingly difficult for Google’s crawlers. The number of pages in the index varies with time – it’s different today than it was yesterday, last week, or even at the beginning of this year.

Tips for quicker indexing

When you update your site, it may take some time before search engines will process the changes. One way to increase the speed at which your content is indexed is to submit a request via the search engine website where you want the change applied. The search engine will then send someone from their webmaster team over to your site to assess and apply your requested change(s). It’s recommended that you submit requests for indexing at least one month in advance of when you need it done.

Another tip is to make sure that all links on your pages point back to the home page and not any other pages or directories on your site. Links should be shortened with bitly or another similar service as well (long links can slow down crawling).

Avoid using unusual keywords such as the, a, and an because they are often ignored by crawlers. Use keyword phrases instead of single words because they have a higher relevance score. You should also use header tags like H1, H2, etc. and meta descriptions to provide good information about your content to search engines.

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What is crawling?

Crawling is an automated process that retrieves, reads, and categorizes pages from the web. This is how search engines discover what content your site has to offer. Crawlers look at a page in isolation—they don’t take the whole website into account. This is why it’s important for your website to be crawlable. A crawler can’t get through a spider’s trapdoor or a maze of links if it doesn’t know where they are.

So, what is the difference between indexing and crawling? Crawling is a systematic process that search engines use to explore the content on your site. Indexing is when search engines store the content of your site in their search engine databases. There are two types of crawling – internal and external. Internal crawling is done by the website to check its content, while external crawling is done by other sites or search engines.

Crawlers and spiders

There are two types of crawlers, spiders and crawlers. A spider is a crawler that can follow links. Spiders are the ones that Google uses to index your site. The difference between a spider and a crawler is how much information they can get from your site. Crawlers may only be able to retrieve some pages or none at all. Spider’s can retrieve more information by following links on your site.

When and why search engines crawl your site?

Search engines constantly crawl sites, meaning they are constantly looking for content to update their search index. The more frequently a site is crawled by a search engine, the more likely it will be to rank higher in the SERPs because it has fresh content that is relevant to recent searches.

Tips for faster crawling

If you want to get indexed faster, make sure that your content is easy to crawl. If a web crawler has a hard time crawling the site, it might not index the site for weeks, months or years. Create SEO-freindly URL addres, page titles, headers and alt tags. The body text should use clear, simple language. Use keywords but don’t overdo it. Include subheadings, bulleted lists and other formatting features to help search engines understand what’s important on the page. Remember to keep each page focused on topic. You can also provide links between pages and keep an eye out for broken links, which may not be crawled as often.

Last words

You should now have a better understanding of the indexing and crawling process, the benefits of implementing it in your design and development process, as well as how it impacts SEO optimization.

So what does this all mean? It means that you need to think about content creation from a different angle. You don’t want to just post articles. You want to post the best articles in order to reach your customers’ needs, create engaging interactions with them, rank better on Google and be found more often by prospects. This is why it’s so important for you as a business owner to know not only the basics of SEO but also some of the most complex algorithms that work behind-the-scenes.

Aleksandra Pietrzak
Curator at the National Museum in Poznań, graduate of Art History at the Jagiellonian University and Contemporary Art at the Pedagogical University of Krakow, curator of exhibitions and author of scientific and popular texts. A lover of contemporary art, literature and travel.
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