How Search Engines Work: A Guide To Understanding SEO.

Working of Search Engines


So in this post, we are going to talk about how the Search engine works. So let's start with the new topic on the SEO module. That is how search engines work. In this module, we are going to discuss what is a search engine, what is crawling water in that scene, what is your crawl? Budget and how to optimize? OK, so let's start with a brief definition of a search engine. What search engine is a software program that helps people find their information. They are looking for an online using keyboard or the phrases OK example of the search engines are just like Your Google, Bing, Yahoo. You can use these search engines to figure out any particular information you want to get. OK, so these search engines can store information about trillions of web pages. In an organized format. 

OK, so basically that is the search engine and now we have to know how the search engine work when you search for any particular worry then what are the back-end activities happening on this search engine? Because just by knowing that. Here we can work on this. Way, now we have 3 components of such. The first one is your query engine which proceeds your query to your crawler which proceeds your query in your search engine database just to figure out that information next is your crawler, which can read every single information from your website and the next one is the indexer which can index your website. 

OK, Next is your crawling. What is this crawling here? Crawling means crawling is reading content on the web pages and storing that information in our database. So what happened here? Let us suppose this is your website OK and on your website, you can add multiple information. Their information in the form of tax in the form of images. In the form of a video. OK, so whatever. With the information you added to your website, here we have one web crawler. All you can also see is web spider OK so your web crawler or. Web spiders visit your website. Or any particular seed URL you mentioned there. Is any particular URL queue on your web page? OK, they can visit there and Chrome every single. Information patch with the help of the Internet here and then, extract that information and save this information in your database. OK, so this is the user quality. In case of falling lattice pose, if any weblink is available. In your garbage. OK, so how will Google Crawler be going to go? On the first visit to your website, read your content again. They found one link here. Then they again. Visit that particular link page and also. Read all the information available so this is a functioning crawler here. Now the bad crawler explores the web page based on some policies. What are these policies? Let's figure it out. First of all, we have one selection. According to the selection policy, the crawler decides which page it should download and which it should not. Next, we have to revisit the policy. Related policy means it crawler schedules the time when it should re-open the web-based and added the changes in its settings. OK, let's suppose if this is your website web crawler visit your website. And read every single piece of information, OK? And after some days if you do any change in your web page in that case. Here Google Crawler again visits your website and again crawls all the recommended average changes, which you've done on your website, and stores those changes. Their database is OK. 

Next, we have a parallelization policy. In the case of parallelization policy dollars. Use multiple processes at once to explore the link known as distributed chronic care. So what happened in that case here? Let's suppose this is your website. OK, and your. Website in Link is mentioned in the website. This is a link of website a here and again your website link is mentioned in the website C here that is the link of website is what happened here when Google Crawler read your website they can treat every. Single content available. On your website here. And again, when a web crawler read information. Of the B. Then they can also find your website link and. Then they again visit your website with the help of this particular link and again read all the information available in this particular package. OK, and the same activity they do with the help of C when they reach information from the website, see then they can also get you a link from here and they can also visit your website with the help of this particular link. OK, so this way they can reach your website content with the help of. Multiple sources here. So this is known as multiple processes and distributed crawler. OK, next we have a politeness policy in case of politeness what happened here we have our term known as crawl delay. OK, So what is this cloud delayed mean when Google crawlers download any information from your web page then they just take a post of some millisecond. And that mini-seeking pose is known as crawl delay. OK, that is implemented in which the crawler has to wait for a few seconds after it downloads some data from the website. OK, so these are the policies we have in here In case of a problem. 

Next, we have how? This crawling walk. Say we have a search engine here, like this post. Google is your search engine. When someone put any query here, any query in the search? Engine OK. Then what happened here? Your web spider or your web crawler visits your website read. Every single webpage crawls your website, copies the information on your website, and stores that information in the data OK. And when the user puts any information there then that information is figured out from this database and displayed the result from this database to the user. So this is how. Your crawler walk. After crawling next we have indexed. As Google Crawler or your search engine crawler. Crawl every information from yours. Website That after calling your information. Now the next step is to. Do indexing what does indexing means? In that thing is just like. You can do indexing. OK, let us post if you want to figure out any particular topic from this book. OK now what approach you can do? You will start from your page and start. Continue reading all the topics here or you can simply look at your index. Figure out that particular topic corresponding to this figure out. Your page simply visits. That page number and find your information. OK, so this is the easiest step here. Like simply look at. Your index and visit to that particular page are the same. The thing happens in Google. In your search engine, in your search engine database, we have a lot of information there. OK so just to fetch your user query from that particular database. It is really difficult, so that's why search engines do index indexing based on keywords here. OK, when someone. Search for any particular query then corresponding to their worry. We can check their relevant evil and then that particular query or information will reflect your user. OK, so after the baby search engine falls all over the Internet, it creates an index of all the web pages. It finds in. It's OK we have so many factors which contribute to. Creating appreciate indexing system for a certain age. First, we have storage information used. Index OK Next we have your index size. What is the size of your index and 3rd is the ability to quickly find the document containing the searched keyboard. OK, so these are the factors that are responsible for efficiency and reliability. Of the index. OK, this is how your indexing happens. Here we have a user do any search query and the search query is passed with the help. Of your query. Engine OK and here we have some HTML pages or you can say your values. Web pages are the pages of your website. OK, then your indexer will gather keywords from your web page. Your keywords form web pages OK after fetching your keyboard they store this keyword in the home of indexing through their index file or repulsive. OK, what happened here? Let's suppose if your website walking on the same keyword, another website that's also walking on the same evil. In that case, our indexer provides them ranking like this particular keyword will rank first this particular filter filtering second based on that they add. These keyboards are in their repository and then. Users with any query. Your query engine. Look at the index in the index file and get a list of the match pages here and show the result page to your users. OK, whatever with the relevant result page with relevant information your users want. That information will be visible. The users. OK, next we have two types of indexing. One is your forward index and the next. One is here backward index. So what does this say? In the case of the forward index in these types of indexes, all the keywords present in a document are stored OK. What happened here? These are the keywords lattice. Suppose we have document one. And India's other document one. We have these people like the Gaussians move. So let us suppose these are the keyword here. OK, again 4 documents two. These are the keywords we have. Again for the documentary, we have these. So this is the one form of indexing. 

Next, we have a reverse index. What is this? Reverse index. In that case, the forward indexers are stored and converted to reverse index in which each document contains a specific keyword and is put together with other documents containing that keyword. What happened here? In the case of forwarding, we have a primary segment in our document like we can check our particular keyword in the document. Here next we have. In the case of the reverse index, we have a keyword here and we can figure out the document corresponding to that keyword. Here let's suppose here we have a keyword bug. Corresponding to that keyword, we have these documents here. OK, so this is known as a reverse index. OK, we are done with our indexing part. Now, so the question is how do search engines work? Oh, how it's working here. We have a user when the user puts any query. Configure help of a ranking algorithm that query will patch from the database and your web spider every single information from the web page and then do indexing and after doing indexing they store. It is there. Database OK and that fetches data up. In your index. File and then that will send to your user. So this is how your search engine next is. Call budget. So what is this crawl budget here? The number of time a search engine spider crawl your website in a given alerted time is what we call your crawl. OK, lattice post. This is where website Google Crawler visits your website for the first time and pulls every single piece of information. OK, when you are doing some changes to your website again Web crawler visit your website. Or every single piece of information. In that case here you can see. That your crawl budget is 2 because. Two times your web spider. To visit your website. OK, so which is known? As crawl project. Now we have to optimize your crawl budget so that our website will rank. Our search engine First page OK for this we have to opt some strategies here. So what are these strategies in this you have to avoid using your rich media files? That is yours. Flesh with media. In that case, you have to build your internal links. And the external. What is internal linking here? Here you can see that let's just go. This is your home page. Then we have your category page inside your home page and all these pages are interconnected with each other. OK, let us pose. If you have a Google crawler. We read information from this particular page then they can also figure it out. The link of these pages and they. Can again visit these pages and read every one. Single information is available on these pages, so this is. This is how your internal linking helps your search engine spider to read all the information from your website. So internal links inform Google to other relevant pages on your website and even the keywords for which you would like them to rank. The internal linking helps whiteboards to keep. Pages much faster. That's why we have to do internal linking. Optimize our crawl budget.
Next, we have externally in case of external links. These links help search engines understand the context of the pages, as well as provide a good user experience. In that case, what happened here? Lattice post this is your website. And in your website, let's suppose we have a link that redirects your website to actual learning. OK, in that case, you can tell your Google spider about this particular website. They can again visit that website and read all the single information available on that website. Next, we have to make use of our social channel which will also help you to rank your website faster on your search engine result page. So these are the ways you can optimize your crawl budget. OK, so in this post, we will cover how your search engine works in our upcoming post. We will learn More about actually. so thank you so much for visiting our website.  


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