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Authors: Shusaku Yosa
Have you ever wondered "What is the Google crawler?" or felt that "my site just doesn't show up in search results"? For a page to appear in search results, you first need the Google crawler to recognize your site. This article explains how the Google crawler works and the specific ways to make your site easier to crawl.
The Google crawler is a program that automatically visits pages across the internet and collects information. Also called "Googlebot," it follows links to visit one page after another. The information the Google crawler gathers is registered in a database and becomes the foundation for being displayed in search results.
This is the stage where the Google crawler discovers and visits pages by following links and sitemaps. Pages that have no links pointing to them, or whose crawler access is blocked, won't be discovered in the first place.
This is the stage where Google analyzes the content of the crawled page and registers it in its database (the index). Only after being indexed does a page become a candidate for search results.
From the indexed pages, the algorithm determines the order according to the search query. In other words, being crawled and registered by the Google crawler is the starting point for aiming at top search rankings.
By creating an XML sitemap that lists the pages on your site and submitting it from Google Search Console, you make it easier for the Google crawler to discover your pages. This is especially effective for new sites and sites with many pages.
Because the Google crawler follows links to visit pages, it is important to connect related pages with internal links. An "orphan page" that no page links to becomes hard for the crawler to find.
There are cases where misconfigured robots.txt or noindex tags unintentionally block the Google crawler's access. Check in Search Console whether pages you want indexed are not being blocked.
There is a limit to how much the Google crawler can visit in a given period (the crawl budget). If you improve load speed and reduce the load on your server, it becomes easier to have more pages crawled in the same amount of time.
Sites with a high update frequency tend to be visited by the Google crawler more often. By continuing to publish new articles and rewrite existing ones, you can expect an improvement in crawl frequency.
You can check how the Google crawler is visiting your site using the "Crawl stats" report and the "URL Inspection tool" in Google Search Console. If there are pages that are not indexed, you can investigate the cause and individually request indexing. The key is to first grasp the current situation and then proceed with measures suited to the issues.
The Google crawler is an important presence that visits and collects pages to build the foundation of search results. If you aim for top search rankings, the starting point is to first get your site into a state where it is crawled and indexed by the Google crawler. Start with the methods introduced in this article, such as submitting an XML sitemap, organizing internal links, and reviewing your crawl settings.
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