What SEO methods are likely to be responsible for answering the SO questions that appear so quickly in Google search results?

Does anyone have an idea of ​​how the questions posted here on SO appear so quickly on Google?

Sometimes the questions presented appear as the first 10 entries or so on the first page within 30 minutes after the question is submitted. Pray tell me what magic is used here?

Anyone have any ideas, suggestions ?. My first thought is that they have information in their sitemap that tells Google robots about trawling every N minutes or so - is this what happens?

By the way, I know that simply telling Googlebots to crawl your site every N minutes will not work if you do not have high-quality information (which is constantly updated on your site).

I just wanted to find out if there is anything else that SO can do right (besides wonderful content, of course)

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Simply put, more popular sites with better content and more frequent changes are ranked higher using the Google algorithm and indexed and cached more often than sites that are less popular or change less frequently.

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In a broad sense, this is only the content that does it. The size and quality of the content has reached Google’s threshold for "spider as fast as allowed by the site." SO must actively throttle Googlebot; Jeff told Coding Horror that they received over 50,000 requests per day from Google, and that was over a year ago.

If you browse non-news sites from the Alexa 500 site, you will find that almost all of them have Google results, which will be only a few minutes. (for example, enter the site: archive.org on Google and select "Last" on the left menu)

So, there is nothing practical that you can do on your own site to speed up spiders, with the exception of increasing the amount of traffic to your site ...

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It is really easy.

SO is the PageRank 6 site that provides the world with new information.

Google has a strong, strong bias over new information. He will crawl the site many times a day, and he will immediately add pages to his index. This will ensure that the page (top 10) will indicate a specific request for a short period of time (several days), and then it will cease to approve this page and evaluate it as usual.

This is the standard G procedure, and this happens with many sites.

As you might have guessed, grehathat / blackhat seo uses this fact in many ways.

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SO also provides an RSS feed, I think google likes feeds from trusted sources.

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