Strategy
22 min read

Searching in the era of AI: How search engines work

Published on
January 12, 2023
Authors.
Patrick Mehrhoff
CEO | MEHRHOFF DIGITAL
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Search engines are the gatekeepers of the internet, guiding users to the information they seek with the click of a button. Search engines have become necessary in today's fast-paced digital world, from researching to finding the latest news.

However, only some understand the processes behind search engine operations and how they work. This guide aims to shed light on the inner workings of search engines, explaining the critical processes involved, including crawling, indexing, and ranking.

By delving into the intricacies of search engine operations, companies and individuals can gain a deeper understanding of optimising their online presence and create strategies to achieving better SEO search results.

How search engines work.

The inner workings of search engines have become critical in today's fast-paced digital world. Search engines perform three essential functions: crawling, indexing, and ranking.

Crawling
Searching the web for content and analysing URL code/content.

Indexing
Organising and storing content from crawling.

Ranking
Displaying the most relevant content in response to a search query, ordered by relevance.

Crawling involves sending automated "spiders" to collect information from websites, which is then used to create a massive database called an "index." The heart of search engine operations is its search algorithm, which blends relevance, authority, user experience, and other factors to determine which results to show and in what order.

With the integration of AI and GPT-powered language models, crawling and indexing have become even more advanced, allowing search engines to process and understand massive amounts of data and content in real-time, resulting in a faster, more accurate, and more relevant search experience.

Crawling and indexing.

The first step in search engine operations is crawling, where the search engine sends automated "spiders" to collect information from websites.

Illustration on how a search engine works with AI

The spiders visit every page on a website, collecting information about the content and structure. This information is then used to create a massive database called an "index."

The index serves as the backbone of the search engine, allowing it to retrieve relevant information in response to user searches quickly.

Integrating AI and GPT-powered language models in search engines would enhance the crawling and indexing process, allowing the search engine to process and understand more data and content in real time.

This would result in a more comprehensive and constantly updated index, providing users with the most accurate and relevant information.

Search algorithm.

The heart of search engine operations beats with its search algorithm - the mysterious recipe that blends relevance, authority, user experience, and other factors to determine which results to show and in what order. This algorithm is the driving force behind the search engine's ability to deliver relevant information to users at the speed of light.

Think of the search algorithm as the master chef of a gourmet restaurant, carefully selecting the finest ingredients and whipping up a delicious dish that tantalises every customer's taste buds. The result is an epicurean experience that leaves users coming back for more.

Similarly, a top-notch search algorithm sets the best search engines apart from the rest. It's the secret ingredient that combines the massive index of web pages and ranks them based on relevance and value to users.

To provide the most relevant and helpful results, Google has integrated the concept of micro-moments and search intent into its algorithm. The search engine considers different four different types of search queries:

  • informational
  • commercial
  • navigational
  • transactional

to understand the context and purpose behind a user's search.

The algorithm then evaluates factors such as relevance, authority, and user experience to rank pages and provide results that cater to the user's needs at that particular moment.

With AI and GPT-powered language models, search engines can take this to the next level, delivering highly personalised and conversational results that satisfy online searchers' cravings.

Search results.

Picture this: You type in a search query, hit enter, and bam! A list of results pops up, all vying for your attention. But how do these results make it to the top of the list?

A complex algorithm at the heart of search engines meticulously evaluates, ranks, and serves up the most relevant results to match your query. Every time you search, the search engine scours its massive index of web pages, analysing various signals to determine which pages should be prioritised for your search intent.

Think of it like a high-stakes game of relevance, with search engines continually refining their strategies to deliver the best possible experience for you.

By integrating GPT-powered language models, there are even more intelligent rankings. These language models allow search engines to understand the meaning and context behind a user's search query in a more human-like manner.

This improved understanding would result in better rankings, as the search engine would have a clearer idea of which pages align with the user's intent.

AI and GPT Integration in Search Engines.

With the integration of artificial intelligence (AI) and GPT-powered language models into search engines, crawling and indexing have become even more advanced. AI-powered search engines can process and understand massive amounts of data and content in real time, resulting in a constantly updated and comprehensive index.

The integration of GPT-powered language models also allows search engines to understand the context better and meaning behind a user's search query, resulting in improved rankings and a more personalised user experience.

This transformation of search engine operations has taken the industry to the next level, providing users with a faster, more accurate, and more relevant search experience.

Google's New Chatbot Bard Integrates into Search Operations.

Google has recently introduced an advanced AI chatbot, Bard, to integrate into Google Search and take on the fast-growing ChatGPT app. Bard is designed to offer an immersive conversational AI experience powered by Google's Language Model for Dialogue Applications (LaMDA).

Bridging the Gap between AI and Search.

Bard aims to merge the vast knowledge of the world with the intelligence, power, and creativity of large language models. It leverages information from the web to provide accurate and high-quality responses to user inquiries. With Bard, users can now ask contextualised questions deeply and receive personalised answers.

Source: Google

Next-Level Interactions with AI As an example, users can ask Bard about recent discoveries from the James Webb telescope and receive a summarised answer along with valuable links to the source material.

The chatbot can also be used to make informed decisions, such as planning a baby shower, comparing Oscar-nominated movies, or choosing what to have for lunch based on the ingredients in the fridge.

Rising to the Challenge.

The integration of Bard into Google Search comes as ChatGPT, backed by Microsoft, explodes in popularity and becomes the fastest-growing mobile app in history.

In response, Microsoft recently announced plans to integrate ChatGPT into a revamped Bing search engine. With the rapid rise of ChatGPT, Google has pushed its plans forward in this realm, as the company's future as the world's preeminent source of information may depend on its success in this new battlefield.

Global competition for search.

With a focus on search, the following search engines stand out as key players in the market: Google, Bing, Naver, Baidu, Yandex and Yahoo.

Each of these search engines caters to specific regions and offers unique features, making it essential for businesses to tailor their online presence accordingly.

By understanding the characteristics of each search engine and aligning their digital strategy accordingly, financial services providers can ensure maximum reach and engagement with their target audience.

Google.

Google dominates the worldwide search engine market, with a market share of over 90% in most countries. Google is the clear leader in search engine usage in the Americas, Europe, and Australia.

Bing.

Bing, owned by Microsoft, has a significant presence in the United States, with a market share of around 20%. However, its usage is much lower in other parts of the world.

Naver.

Naver, based in South Korea, is the leading search engine in the country, with a market share of over 70%. Naver's unique features, such as the Q&A platform Knowledge iN and the online shopping platform Shopping iN, set it apart from other search engines and drive its popularity in South Korea.

Naver also announced plans to introduce its iteration of SearchGPT, a revolutionary AI-powered search experience, by the end of June. During the Q4 2022 earnings call, Naver CEO Choi Soo-yeon stated that the company is preparing to tackle the limitations of generative AI, such as credibility, recentness, and accuracy, mainly when translating English-based models into Korean.

By leveraging its extensive user data and technical expertise, Naver aims to overcome these challenges. However, the company will not integrate SearchGPT directly into its existing search engine.

Baidu.

Baidu is the leading search engine in China, with a market share of over 70%. Baidu's dominance in the country can be attributed to the widespread use of the Chinese language and the limited availability of international search engines in China.

According to an anonymous source, China's leading search engine company intends to launch a ChatGPT-like application in March, incorporating it into its core search services. The yet-to-be-named tool will provide users with conversation-style search results similar to those on OpenAI's popular platform.

Baidu has invested billions of dollars in AI research as part of its long-term effort to move beyond online marketing and into deeper technology. The forthcoming ChatGPT-style application will be based on the company's Ernie system, a large-scale machine-learning model trained on data for several years.

Yandex.

Yandex, based in Russia, holds the majority of the Russian search engine market, with a market share of over 60%. Yandex's success can be attributed to its localised algorithms and services, such as maps, translation, and e-commerce.

Russian tech firm Yandex was the first mover and announced in June 2022 the release of a large language model, trained on 100 billion parameters, for free public use. The goal was to stimulate growth in AI technology. Large language models are NLP systems introduced on a vast amount of text and are considered the "apex" of neural networks used in NLP tasks.

However, the company recognised that training these models requires significant resources, including millions of dollars, specialised experts, and years of development. As a result, only major corporations have access to this technology.

To prevent the growth of AI from stagnating, Yandex stated in a blog post that "researchers and developers around the world need access to these solutions." The company believes sharing best practices with the developer community is the only way to avoid this.

Yahoo.

Yahoo, used to be a popular search engine in Japan, but its market share has declined significantly in recent years, now holding only a tiny portion of the market. However, Yahoo is still widely used in Japan for its email and news services.

With these geographical insights, the picture of the search engine landscape worldwide becomes clearer. Understanding the dominance of each search engine in different regions can inform strategy for companies looking to target specific geographic markets with their online presence.

Optimising your website for AI-Powered search engines like ChatGPT: The importance of SEO and Content Marketing for being mentioned within answers to the user's search queries.

Investing in SEO and content marketing is crucial to be visible as a source within search engines powered by AI, such as ChatGPT itself and Google, to prepare you for the AI crawler. The AI crawler relies on the information gathered by crawling the web, analysing website structure and content to determine relevance and quality.

Without proper SEO practices, the AI crawler may not be able to find your website or to determine the quality of your content, making it difficult for your site to be listed in the search engine's answers to users. By investing in SEO, you can ensure that your website is optimised to meet the criteria for the AI crawler, making it easier to be found by users searching for information in your niche.

A website with good ChatGPT SEO practices will provide valuable and relevant content to users, improving your chances of being listed in search engines and ChatGPT results, thus driving more traffic.

Conclusion.

In conclusion, search engines are the backbone of the internet, providing users with the information they need in seconds. The inner workings of search engines are complex and involve several critical processes, including crawling, indexing, and ranking.

The search algorithm is the heart of search engine operations, blending relevance, authority, user experience, and other factors to deliver the most relevant results to users.

With the integration of AI and GPT-powered language models, search engines have become even more advanced and intelligent, providing highly personalised and conversational results that cater to users' needs.

The continued development of AI and GPT technology in search engines will lead to an even more seamless and efficient search experience for users, making it easier for them to find the information they need.