Google Updates SEO-Important Phrase Indexing Patent

Phrase-Based Indexing is a technique that allows search engines to determine the relevance of a link based on related phrases on both the page linking to the resource and the page receiving the link. This allows Google to evaluate content more accurately and combat various types of link manipulation.

Here are some examples of how this helps:

• Managing spam links. For example, a link from a cooking page to a gambling site will have less value if the pages' topic is unrelated.
• Countering Google Bombing. This process involves anchor manipulation, where popular events are used to create links to irrelevant sites.

How does phrase indexing work?

Imagine that the page is talking about “The President of the United States.” It is logical that the text may contain phrases like “White House”, “press conference” or “Prime Minister”. Google understands the context of such phrases and their connections, which helps the system correctly assess the topic of the page and its relevance.

The patent for phrase indexing was filed back in 2004, and Google did not actively use it for five years. However, unlike many other patents, this one turned out to be useful in practice:

• There are about 20 related patents for phrase indexing.
• During the year, one of the key aspects of the patent was updated, which led to an improvement in its application in the search algorithm.

This patent is often considered one of the most important for SEO. For example, it can be found among the top 10 most significant patents for search engine optimization.

What has changed?

Rather than delve into the original patent language, let's note two key changes:

• Documents that contain more related phrases are rated higher than those that have fewer of them.
• Documents with low-frequency but relevant phrases rank higher than pages with high-frequency, unrelated phrases.

Full details of the patent can be found at the following link:

Frase-vased search in an information retrieval systems

Author: Anna L. Patterson

Recipient: Google LLC

US Patent: I,990,421

Such updates to phrase indexing play an important role on a legal level and can significantly impact the way search engines operate. Details can be found in the original articles and studies.

Remember to avoid spam and apply LSI copywriting principles to improve the quality of your content:

• To create texts, use the “Technical Specifications for a Copywriter” tool.
• To evaluate content, use the “Optimization Quality Score” and “Text Score.”
• To assess the relevance of pages, use methods for determining the “Relevance of different areas of the document.”

Use these tips to effectively implement phrase indexing and achieve great SEO results!

If you have any questions about SEO, you can contact the SEO studio "SEO COMPUTER" for any question by email info@seo.computer.

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