Search Engine Indexing | An Integral Part of 2024 SEO Strategies

Search engine optimization is an essential part of any modern business’ online marketing and sales strategy. Being able to master the complex and constantly evolving search engine algorithms can be the key to launching your business to greater heights.
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However, ranking high on Google search results and other search engines has become more and more complex over the last few years.
If you want your web page to appear on the first results page of Google, you will need to develop an effective SEO strategy.
This requires a good understanding of the various ranking factors used by multiple search engines. Terms such as search engine index, search engine crawlers, and Google Search Console should become your bread and butter.
In this article, we will delve deeper into the search engine indexing process to equip you with all the tools you need for an effective SEO strategy in 2024 and beyond.

Understanding Search Engine Optimization

By now, any modern company worth its salt should have at least a vague understanding of what search engine optimization is.
The importance of acquiring organic traffic and its role in digital marketing, SEO, and user experience should never be underestimated.
Search engine optimization is a strategy for increasing both the visibility of your web pages and the number of visitors that land on your website.
By optimizing various parameters, such as internal links, keywords, meta tags, and quality content, you can rank higher on specific search engines.
When it comes to maximizing your SEO efforts, the following are important:
Role of SEO in Digital Marketing
You need to start by appreciating the crucial role that SEO plays in digital marketing. How Google and other search engines rank all the pages on their platforms can determine the success or failure of any modern business.
Without the ability to reach as many online customers as possible, you will not be able to compete regardless of the industry you are in.
In 2024, if you do not have an effective SEO strategy that guarantees that, for example, a search engine crawler can easily read your web pages, your digital marketing efforts will not produce any results.
Importance of Organic Traffic
One thing that many businesses that are new to SEO do not understand is that it is more important to acquire organic traffic rather than simply having a high volume of visitors. A good SEO strategy will help you understand user behavior and create high-quality content that caters to your visitors’ needs.
Without useful content that attracts and is beneficial to your customers, simply ranking high on various search engine results pages will rarely translate to a boost in sales, regardless of how many people visit certain pages on your website.
SEO and User Experience
Recently, Google and other search engines have begun to emphasize the importance of providing a good user experience to web page visitors, especially when it comes to your mobile browser. User experience is one of the ranking factors that will determine whether or not your web pages rank higher than your closest competitors.
As such, a big part of modern SEO efforts is dedicated solely to creating pages that load faster and are designed with various devices in mind.
We have mapped out the full user experience’s impact on SEO here.

The Role of Search Engine Indexing in SEO

Not all search engines use the same ranking factors on their results pages. However, one thing that seems to be important across the board is search engine indexing. Before launching your digital marketing campaign, it is important to understand how and why search engines index various websites.
The role of search engine indexing in SEO can be appreciated by understanding the following:
Why Search Engines Index Websites
Search engine indexing is the process by which Google and other search engines organize relevant pages in response to search queries. If you think of the entire Google platform as a giant library with billions of web pages waiting to provide information to users, the search engine index process is how these pages are arranged to make it easier and faster for you to access the pages you want.
How Search Engines Work
There are billions of web pages available on search engines today, with more being added every minute. Search engines work by arranging these websites in specific ways that make accessing them easier.
The three main processes used by search engines are crawling, indexing, and ranking. By utilizing these three processes, they create order out of the chaos that would otherwise exist online. This is why when you type in your query on, for example, Google, it usually takes less than a second for the search engine to provide millions of results. We go into a deep dive for search engine functionality here.
The Three Processes of Search Engines: Crawling, Indexing, Ranking
When new pages are added to search engines or significant changes are made to existing pages, a process called search engine crawling will have to be done. Here, search engine crawlers find and read new pages using specialized programs called spiders or bots.
The next stage after the crawlers have done their job is the indexing process. Here, the search engine will try to understand what the new web pages are about so that they can be grouped with other pages that have similar content.
Lastly, each web page will be ranked on the search results pages based on a variety of factors. This is what determines whether your pages are visible on the first page of results or end up becoming lost in the endless sea of responses to a user’s queries.

The Mechanics of Search Engine Indexing

How does Google index various pages that are added to its library every day? Well, the mechanics of search engine indexing is a complex process that involves the interaction of a wide range of algorithms and programs.
However, to gain a general understanding of the various factors that affect your search engine ranking, knowledge of the following will be useful:
Understanding Web Indexing
With indexing, search engines will analyze the content and context of new pages by looking at various key content tags and attributes, such as videos, images, title attributes, and more. The Google search console can index many types of files that come in different formats, including:
  • Adobe Portable Document Format (.pdf)
  • XML (.xml)
  • Adobe PostScript (.ps)
  • Wireless Markup Language (.wml, .wap)
  • Comma-Separated Values (.csv)
  • TeX/LaTeX (.tex)
  • Google Earth (.kml, .kmz)
  • Scalable Vector Graphics (.svg)
  • GPS eXchange Format (.gpx)
  • Rich Text Format (.rtf)
  • Hancom Hanword (.hwp)
  • OpenOffice text (.odt)
  • HTML (.htm, .html, other file extensions)
  • OpenOffice spreadsheet (.ods)
  • Microsoft Excel (.xls, .xlsx)
  • OpenOffice presentation (.odp)
  • Microsoft Word (.doc, .docx)
  • Microsoft PowerPoint (.ppt, .pptx)
Google can also index the following types of images and video files:
  • Video formats: 3GP, XAP, 3G2, WMV, ASF, Webm, AVI, VOB, etc.
  • Image formats: BMP, SVG, GIF, WebP, JPEG, and PNG
Once a crawler is used to analyze any of these files, it will collect and store information about the webpage in the form of a database or index. As soon as a user enters a search query, the relevant indexed pages will be retrieved and displayed on the results pages.
When indexing websites, the web crawlers follow links pointing to the new pages or recently altered web pages. The web pages are then indexed based on content relevance, rankings, popularity, and important keywords. Its key to make sure you are optimizing for web crawlers.
Factors Influencing Index Design
If you are planning on creating a new website or adding new pages to an existing one, it is important to keep in mind the various factors that will influence the indexing process. The time it will take to index your site varies depending on any of the following:
  • Content quality (EAT and relevance)
  • Website design and structure
  • XML sitemap submission
  • Backlinks and internal links
  • Website traffic
  • Google Search Console tools
  • Titles, headings, and meta tags
  • Social media posts
  • Technical issues on the website
However, Google’s algorithms are constantly improving, meaning these are not the only factors that might affect search engine indexing if you create a new page today.
Data Structures in Indexing
The following are four commonly used data structures in search engine indexing:
  • B-Trees – These are the most commonly used data structures. They have the benefit of being time-efficient in terms of insertions, deletions, and lookups. The data stored inside a B-tree can be easily sorted.
  • R-Tree – An R-tree is usually used in spatial databases and is very useful in providing location-based search results.
  • Hash Tables – Commonly called Hash Indexes, these are great when it comes to looking up values or conducting exact searches. However, these are not sorted data structures, which may make them unsuitable for other types of searches.
  • Bitmap Index – These are useful with low selectivity searches, such as a column with Boolean values.
Understanding Inverted Indices
The basic definition of an inverted index is that it is a system based on a database of text elements with pointers to the specific documents that contain those elements.
Using tokenization, an inverted index, can reduce words to just their basic meaning. This will greatly reduce the amount of resources needed for the storage and retrieval of specific pages or data.
Compared to the regular process of listing all the pages based on relevant information, keywords, and characters, using inverted indexes is much more efficient.

Implementing Phrase Search Using Inverted Index

The following are the common steps used to implement inverted indexes:
  • Data reprocessing (tokenization, stop word removal, and stemming)
  • Creating the inverted index (inverted index algorithms, document scanning, and postings list generation)
  • Storing and optimizing the inverted index (disk vs. memory storage, query performance considerations, and compression techniques)
The Concept of Forward Index
Forward-indexed pages consist of a range of postings that are associated with the document in question. Unlike inverted indexing, the list of postings is sorted first by document ID, then word ID, and location ID. This process can be considered as a mapping from the document IDs to the column values of each row.
Process of Index Merging
With index merging, an existing set of indexes that have been optimized for specific queries can be converted into a new set with significantly lower maintenance and storage requirements.
Usually, the majority of the querying benefits of the initial set of indexes will be retained during index merging.
Compression Techniques in Indexing
The two different approaches to compression techniques in indexed pages are static index pruning and document reordering. These techniques are necessary to reduce query times, maintain retrieval effectiveness, and optimize the access and operation of the database.

Document Parsing and Indexing

Document indexing involves the use of parsers, such as text parsers, XML, and HTML, to analyze the content. In general, parsing can be defined as the process of examining and recognizing specific data within a document to extract any useful information from it. The following are some of the important things to remember about document parsing and indexing:
Role of Natural Language Processing in Indexing
Natural language processing (NLP) is a technology that uses machine learning to help computers comprehend, manipulate, and interpret human language. NLP in indexing is very important because it determines the type of information web crawlers, spiders, and bots will be able to extract from a document created by a person.
As such, NLP can be applied to the classification and categorization of speech or text. In general, the use of NLP has a wide range of benefits, such as the analysis of larger amounts of data, the provision of more objective analysis, and the general streamlining of the indexing process.
Understanding Tokenization
The process by which search engines split long text into smaller tokens during indexing is called tokenization.
These tokens are the basic units used to match search engine queries to indexed pages at a much faster rate.
Importance of Language Recognition
The language used to index documents by search engines is very important because it is designed to serve three main functions, which are:
  • Representing the subject content of queries made by users searching the index file
  • Organizing a searchable file
  • Representing subject content of documents
As such, the system must be able to recognize the language being used so that it can match the query to the correct set of indexed pages that may provide the user with the information they are searching for.
Role of Format Analysis
Format analysis is the critical first stage of indexing. It is here that the search engine crawlers determine the format in which the data is being presented, which will allow them to index the pages appropriately. This is also where the subject matter of the indexed pages will be deduced.
Recognizing Sections in a Document
If a document is to be properly indexed and retrieved when the right queries are entered, the search engines must be able to recognize the different sections that make up the completed document.
In many web pages, these sections are defined using H-tags that differentiate the main heading/topic (H1) from the various other sub-headings (H2, H3, etc.).
If the search engine crawlers cannot recognize these sections during indexing, it will affect the web page’s rankings on various search results pages.
The HTML Priority System and Indexing
When it comes to search engine indexing, the recognition of HTML tags is important when organizing priority. Google and other search engines do not usually take any large texts as relevant sources because of the strong-type system compatibility it creates.
Indexing and Meta Tags
Some documents may contain various forms of embedded metadata, such as language, description, keywords, and the author of the document. If the file is an HTML page, the meta tag will have keywords that are important for proper indexing.

Back in the day, search engine indexing would only index the keywords in the meta tags for the forward index. However, that has since changed. These days, many search engines have now adopted full-text indexing technology. This is a crucial part of your SEO process to understand.

Enhancing Website Indexability

Improving the indexability of your documents by search engines is a vital part of your overall SEO strategy. It gives your website a better chance of ranking higher on the search results pages.
Some of the things that can be implemented to improve the indexing process include:
  • Internal linking
  • Content quality
  • Site structure
  • XML Sitemap
  • Update and add new
  • content
  • Page load speed
  • Crawler access with robots
  • Fixing crawl errors
Below is a deeper look at some of these factors that can be adjusted to improve website indexing:
Importance of Sitemap Submission to Google
The sitemap helps search engines to discover the URLs on your website. However, even with a sitemap present, there is no guarantee that all the available data will be crawled and indexed. It is just good practice to have a sitemap on your website, especially if the site happens to be large. If your website can be understood more easily by the search engines, it will boost your site’s rankings on search results pages. Adding a sitemap is a good start to increase your crawl budget.
Using Google’s Indexing API for Faster Indexing
Whenever you add new pages to your website, or update existing ones, using the Google Indexing API helps you notify the search engine so that the new data can be crawled and indexed. This will help you keep up to date with the search engine results pages and maintain a steady flow of website traffic.
If you want to use the Google Indexing API, you need to first create an access account for it in your website’s Google Search Console. Once that is done, you will have this option available whenever you create new pages.
Role of Backlinks in SEO and Indexing
In SEO, backlinks are defined as external links pointing back to your website from other sites. If these happen to be considered high-quality backlinks by Google, they will improve the visibility of your website and ensure that your pages are listed as trusted sources.
When Google and other search engines index your backlinks, they will be counted as legitimate and valuable. In the long term, it will massively improve your SEO rankings, which is why having indexed backlinks is a good thing for your website.
Importance of Social Signals in Indexing
While social signals may have little impact in terms of your rankings on search engines, they do affect the speed at which your webpage is indexed. With a strong social media presence, your website will enjoy an extra push in terms of the rate at which its URLs are indexed.
As such, it is beneficial to dedicate some time to working on your social media strategy before you request indexing for your new pages.
Use of Add URL Tools for Indexing
The right inspection and add-URL tools will provide you with detailed information regarding how your website is crawled and indexed.
With such Google webmaster tools at your disposal, you can simply add the URL address of your website to see when it was last crawled and whether any indexing errors need to be fixed.

Monitoring and Improving Website Indexing

Monitoring and improving your website indexing is an ongoing process that you will need to dedicate some time to doing regularly. This is because you always have to make sure that your website indexing has been done properly and that the site is visible on search engines.
The following are two ways in which you can monitor and improve website indexing:
Analyzing the Pages Report in Google Search Console
Using Google Search Console, you can analyze the index coverage report to help you identify some of the top-performing pages in your niche. This will give you better insight when it comes to optimizing certain pages for higher search engine rankings.
The report can help you focus on pages with high click-through rates so that you can take steps to drive organic traffic.
Special Tools for Indexing Check and Analysis
There are many tools that you can use to determine whether there is anything that can block search engines from indexing your web pages.
Some tools, such as Google Analytics, Google Search Console, and Google PageSpeed Insights, can also check your page’s load speed, provide crawl and indexing error reports, and gather real-time website traffic data.

Indexing Challenges With Different Web Technologies

While indexing technology has come a long way in the past few years, there are still some challenges that you need to be aware of, such as:
Indexing Flash Content
In 2019, Google decided to stop indexing flash content in its search engine. What this means is that all content stored as Flash SWF files, either on websites that have a part of the page in Flash format or those designed fully in Flash, will need to be changed before they can be compatible with Google index software.
As an alternative, Google encourages web creators to consider other formats for their web pages, such as HTML pages and other newer forms of JavaScript.
Dealing With JavaScript and Indexing
One of the main challenges with JavaScript-heavy web content is when it comes to mobile-first indexing. Here, there are three main issues to consider, and these are:
  • JavaScript files that are blocked by the robot.txt
  • Google ignoring the changes made to your new JavaScript file and using old information from cached files
  • Google either not rendering or partially rendering your JavaScript pages
Indexing Ajax Content
Most of the AJAX content is loaded dynamically, which provides a few challenges if the right implementations are not used. There are chances that your content may remain invisible even after you add new pages. Search engines may be unable to see the content, which means indexing will be impossible.
Indexing Single Page Applications (SPA)
Single Page Applications (SPA) only display your page content through a dynamic API call. This can cause a lot of issues when it comes to indexing your web pages. When the search engine indexing crawlers follow links to the SPAs, they will only see an empty container.
Indexing Challenges With Different Frameworks
There are many other indexing challenges that you may come across in different frameworks depending on a wide number of factors. You can, for example, have to deal with diversity in language use, which may make it difficult for the web crawlers to read the data on your documents.
Luckily, using the Google Search Console, you can find many ways to tackle various indexing challenges with different frameworks.

Controlling Site Indexing

It is important to retain some control over how your web pages are indexed. This may help you get the indexing done a lot faster if, for example, you direct the search engine indexing your website towards a specific page and avoid indexing other pages.
The following are some of the common ways of controlling site indexing:

Using Robots Meta Tag for Indexing Control

An HTML snippet, called a robot meta tag, provides index control by telling the search engines what they are supposed to do on specific pages.
You can control how information is displayed in the search results and how the pages are crawled and indexed. The HTML snippet is placed at the head section of the web page.
Server-side Rendering and Indexing
When pages are rendered on the server side, search engines will be able to crawl and index them easily. This makes the pages a lot more accessible to others online. You will enjoy improved page loading times, better search engine crawling and indexing, and a smoother mobile experience.
However, this method does increase server load and creates chances of server error, which are things you will have to consider.
Setting up a Website Access Password for Indexing Control
Rather than allow random/automatic indexing of your websites, you can set up an access password to give you a lot more control regarding when you want the indexing to be conducted. This can be useful if, for example, you want some time to remove some duplicate content from another blog post you previously created before the new page is indexed.

Common Indexing Errors and Their Solutions

As you get more used to the way indexing works on Google and other search engines, you will realize that certain indexing errors are recurring, such as:
Dealing With Duplicate Content
Duplicate content can prevent search engines from indexing the right page that you have recently created. This may hurt your rankings.
The best way to solve such content issues is by implementing a 301-direct, which will cause a permanent redirection from one URL to another.
HTTP Status Code Issues and Indexing
Google Search Console can generate error messages for failed redirects and status code issues. These codes can be difficult to understand or know how to fix.
As such, if you find yourself unsure as to the meaning or solution to an HTTP status code issue while indexing, it is best to refer to a reliable technical website guide.
Solving Internal Linking Issues
Issues with internal links are very common, such as having broken links, too many on-page internal links, redirect chains, and loops. Various solutions can be used in such cases, such as using site audit tool checks that are designed to look for and fix these issues. Improving SEO through internal links can have a huge impact on your results.
Learn more about canonical URL in SEO here.
Indexing Issues With Blocked JavaScript, CSS, and Image Files
You can also have some issues with blocked JavaScript, CSS, and image files that will prevent search engines from indexing your documents.
Here, the first step to solving the problem could be using Google Search Console to verify how the pages have been rendered. This will help you pinpoint the problem and find a way to address it.
Addressing Slow-loading Pages for Better Indexing
Slow-loading pages result in a poor user experience and, therefore, can affect your rankings on search engines. If you want to enjoy better indexing and faster load times, you can try several solutions, such as optimizing image compression and writing using a mobile-first code.

Frequently Asked Questions

If you want to get your website indexed as quickly as possible, one of the best ways to do that is to submit your URLs manually in Google Search Console. You can also try indicating all your important pages using an XML sitemap. Both these methods make the discovery, crawling, and indexing processes a lot faster.
Even if you do not specifically tell search engines to index and crawl your website, they will do so at some point.  
Google will eventually discover your site if it is in the index already and the new content is linked from within your site. Search engines are constantly improving how they crawl and index websites, so the process should become more efficient in the future.
While no rule says you have to alert search engines whenever you publish new content, doing so is the recommended practice. This is because letting Google know about the new pages will help get your website crawled much faster.
If your page has been removed by mistake, you can cancel the removal request by accessing the removals tool. Under the history tab, you will find a menu button that you can click and then select “Cancel Request.”
After the page has been returned, Google will be able to index it just like any other new page on your website.

If, for example, you want your indexing to go much faster, you may be considering not letting Google index certain pages on the website. There are various ways of doing this, such as:

  • Using a noindex meta tag by inserting <meta name=”robots” content=”noindex”> in the <head> section
  • Adding an X-Robots-Tag to the HTTP response header of the URLs you do not want to be indexed
  • Using a robots.txt file to hide certain URLs from Google
  • Using certain tools, such as Google Webmaster’s Remove-URLs Tool


Understanding the basics of SEO is just the tip of the iceberg when it comes to effective digital marketing. If you are going to stay one step ahead of your competition, you need to know how search queries are directed to particular results on various search engines.
This is why it is important to learn how Google indexes new URLs, and how to request indexing when you need to speed up the process. Search engines understand data in a different way compared to people, and only by knowing how they work will you be able to boost your rankings.
With the knowledge you have gained in this article, you can start implementing certain steps into your SEO strategy that will improve how your website is indexed and translate to higher volumes of organic traffic in the long run.