LSI Graph: The Best Free Tool For Keyword Research? 5 Best Alternatives To LSI Graph

Using a good tool like LSI Graph can be just what you need to make your LSI into KhaLSI, the slayer of the SERP.

So, we have news for the questions: Is LSI Graph the Best Tool for Keyword Research and is LSI Graph Free?

a meme on LSI Graph

LSI Graph is now called Surge Graph, used to be a free LSI keyword generator, but now it is a paid tool.

So…No, it’s not free, but is it the best?

Well, that’s what we are here to answer and to keep you updated, we have prepared this guide. {along with the free stuff to get those LSI keywords fresh and warm}

So, before we dive into LSI Graph, let’s take a short reminder that LSI Keywords are all about Semantics? Confused?

We recommend that you take a good read of our blog on what’s LSI, before you begin. Read our Blog Here →

In this upcoming section, we’ll discuss the power of Surge Graph (formerly LSIGraph). You can learn how it can supercharge your LSI keyword research. Let’s dive in!

Surge Graph: Is It The Ultimate Keyword Research Tool?

If you are looking for a LSI keyword tool that modifies your starter SEO strategy into a Ultra-Pro Max Strategy, LSI Graph is for you. In this section, we will discuss Surge Graph’s (formerly known as LSI Graph) features, benefits, along with some real examples to find LSI Keywords.

So, get that seatbelt buckled, cause we are about to drive your keyword research to new heights and boost your website’s visibility in search engines.

The Evolution of LSI Graph:

Surge Graph, formerly known as LSI Graph, underwent a name change to better reflect its enhanced features. Cause it surges, get it? ? The tool has evolved to provide more accurate data insights and advanced features to help you optimize your SEO efforts.

What Makes Surge Graph So Good?

Keyword Research Is Easy-Peasy

a. Just Enter Your Seed Keywords:

Start by entering your seed keywords or main topics of interest into Surge Graph’s keyword research tool. And Boom, LSI Graph starts generating suggestions. These seed keywords serve as the body for generating relevant LSI keyword suggestions.

b. Generate LSI Keyword Suggestions:

Surge Graph’s advanced algorithm analyzes the relationships between words and phrases. Then it provides you with a list of LSI keyword ideas related to your seed keyword. This step helps you get hidden keywords that are closely related to your main topics and helps you to optimize your content

c. Refine Your Search:

Surge Graph offers various filters and settings to refine your keyword suggestions. You can filter your data with different parameters like relevance, search volume, competition, and more. This ensures that you focus on the keywords that align best with your specific goals and target audience.

d. Analyze Keyword Metrics:

Surge Graph provides valuable data insights for each keyword, such as search volume, competition level, and trend analysis. Take the time to analyze these metrics to identify high-potential keywords for your content strategy.

Tip: Look for keywords with a good search volume and low competition, as they offer a greater chance for a higher ranking.

Trend Analysis:

a. Identify Trending Keywords:

Surge Graph’s trend analysis feature enables you to identify keywords that are currently getting a rise in search volume in your niche. The main goal is to create user-friendly content that will satisfy the target audience. You can achieve this by focusing on trending keywords

b. Create Trend-Focused Content:

Always try to add trending keywords to your content that help you to attract your target users. By following the latest trends and topics, you can get more organic traffic and present your brand as an expert in your industry.

Keyword Difficulty Evaluation:

a. Assess Keyword Difficulty:

Surge Graph’s keyword difficulty evaluation provides you with data based on competition for specific keywords. It considers various factors, such as the number of websites targeting the keyword and their authority. This evaluation helps you understand the challenges you may face in ranking for certain keywords.

b. Prioritize Keywords:

Focus on keywords with a balance of search volume and competition. It increases your chances of ranking high in search engine result pages (SERPs). This strategic approach allows you to allocate your resources and efforts more efficiently.

Content Writer Tool:

a. Utilize the Content Writer Tool:

Surge Graph’s Content Writer tool provides an optimized platform to create SEO-friendly content. It offers suggestions to help you write convincing and well-optimized content that aligns with search engine preferences. The tool analyzes factors such as keyword usage, content structure, and formatting to improve the quality and visibility of your content.

b. Receive Writing Recommendations:

This part of Surge Graph/LSI Graph goes beyond keyword suggestions. It provides valuable suggestions to improve your content’s overall quality and readability. You can get ideas on how to improve headings, subheadings, bullet points, and more. All these suggestions improve your search ranking and user experience.

Planner Tool:

a. Organize Your Keyword Research:

Surge Graph’s Planner tool is designed to help you organize and map your keyword research effectively. You can create keyword clusters based on your goal and topic relevance and group together related LSI keywords. This tool ensures that your content is written in proper structure and fulfills the need of the target audience.

b. Plan Your Website’s Information Architecture:

Surge Graph’s Planner tool also allows you to plan your website’s information design. By grouping keywords to specific pages or sections of your website, you can create a good and optimized website structure. This helps search engines understand the relevance and hierarchy of your content, leading to improved search rankings and user experience.

3 Ways To Use How To Use LSI Graph:

LSI Graph/Surge Graph For Keyword Research:

Access LSI Graph/Surge Graph:

  • Visit the LSI Graph/Surge Graph website at
  • You can log in to your existing account or else create a new one with Signup.

LSIGraph Keyword Research Tool

Enter Your Main Keyword:

  • Once logged in, you will see a search bar. Enter your main keyword or seed keyword related to your content or niche.

Review the Keyword Overview:

  • After entering your main keyword, you will be presented with a keyword overview section.
  • View the search volume, intent distribution, keyword difficulty, cost-per-click (CPC), and competition to get data on the target keyword.

Dive into the Contextual Keywords:

  • Look for the contextual keywords section, usually displayed as a list of related keywords.
  • These keywords are generated based on how closely it is related to your main keyword.

LSIGraph Keyword Generator Tool

Analyze LSI Keyword Suggestions:

  • Go through the list of contextual keywords provided.
  • Consider their relevance to your content, including the search volume, competition, and potential value they offer.
  • For example, if your main keyword is “healthy recipes,” the LSI keyword suggestions may include “easy vegetarian recipes” and “low-carb meal ideas.”

Refine Your Keyword Selection:

  • Use the filtering options available in LSI Graph Tool/Surge Graph Tool to refine your keyword selection.
  • You can filter keywords based on search volume, competition, and other relevant metrics.
  • Select LSI Graph keywords that match well with your goals and target audience.

SurgeGraph Keyword Overview

Include LSI Keywords in Your Content:

  • Select the most relevant LSI keywords from your refined list.
  • Add them to your content, and make sure to use them naturally within the context.
  • For example, if you are writing an article about “healthy breakfast recipes,” you can include LSI keywords like “quick breakfast ideas” or “nutritious morning meals.”

URL Planning With LSI Graph/Surge Graph:

Visit the LSI Graph/Surge Graph website:

  • Create a new account if you don’t have one or else login into your existing account

Enter Your Main Keyword:

  • Use the LSI Graph keyword Generator tool within LSI Graph/Surge Graph to find LSI Keywords. Then enter your main keyword or the topic you want to design URLs for.

Explore Contextual Keywords:

  • Check the list of contextual keywords provided by LSI Graph Tool /Surge Graph Tool related to your main keyword.
  • Take the time to review these keywords and understand the different elements and subtopics related to your main keyword.

Identify Subtopics and Categories:

  • Evaluate the contextual keywords and identify relevant subtopics and categories that can be used as separate sections or pages on your website.
  • For example, if your main keyword is “SEO,” subtopics could include “Types of SEO,” “SEO Strategy,” and “Local SEO.”

Plan URL Structure:

  • Based on the identified subtopics and categories, plan a logical and hierarchical URL structure for your website.
  • Assign a dedicated URL or page to each subtopic or category, ensuring a clear and organized website structure.
  • For example, you can have and SEO/ as separate URLs.

Optimize URLs:

  • When creating URLs, ensure they are correct, descriptive, and keyword-rich.
  • Use hyphens to separate words within the URL structure, as search engines prefer this format.
  • Avoid using unnecessary parameters or symbols that may confuse search engines or users.

Test and Refine:

  • Implement the planned URL structure on your website.
  • Continuously monitor user behavior, search engine rankings, and website analytics to evaluate the effectiveness of your URL planning strategy.
  • Make necessary adjustments to further optimize your URL structure based on the data and feedback you gather.

Surge Graph Pricing Plans

Plan Options and Benefits: Surge Graph offers various pricing plans to serve different user needs. You can choose any plan as per your need. But make sure it includes all the features that you need for maximum benefits.

Clear Pricing Format: The plans and price structure of Surge Graphs are mentioned clearly. That will help you to easily select the plan according to your goal and budget.

SurgeGraph Pricing Plan

Hope now, your question is clear Is LSI Graph Free? Or not.

You need to know why to choose Surge Graph.

Why Choose LSI Graph/Surge Graph?

  • Flexible Pricing Options: Surge Graph offers pricing plans suitable for businesses of all sizes. You can select any plan within your budget that meet your goals.
  • Value for Money: The data and time-saving capabilities offered by Surge Graph add value to your investment. It helps you to optimize your SEO strategy and drive better results.
  • Enhanced Keyword Research: Surge Graph provides data metrics that include trend analysis and keyword difficulty. Thus it guides you in your keyword selection process and improves your strategy.
  • Content Optimization Made Easy: The Content Writer tool helps you to create SEO-friendly content. A well optimize content ranks high in search engine result pages (SERPs).
  • Streamlined Keyword Mapping: The Planner tool helps you organize your keyword research and map it to your content strategy. It ensures a well-structured and optimized website.
  • Accurate Data Insights: Surge Graph provides precise and relevant keyword suggestions, enabling you to optimize your content effectively.
  • Time-Saving Efficiency: With Surge Graph’s friendly interface and advanced features, you can streamline your keyword research process which saves you valuable time.
  • Enhanced SEO Strategy: Surge Graph makes you get hidden opportunities. It optimizes your website’s search engine positioning and increases organic traffic.

Before choosing even you can check the LSI Graph reviews/Surge Graph reviews to analyze the experience of other users. So that you can choose the best LSI Keyword Generator Tool.

5 Best Free & Paid Alternatives to LSI Graph/Surge Graph

So, this is where we unfurl the goods with various free tools that can get the job done! For example Answer The Public, Keys4Up, Ultimate Keyword Hunter, Niche Laboratory, and even Google Autocomplete.

We will also see their key features, pricing options, and how they compare to Surge Graph. This complete guide will give you all the information regarding Surge Graph. Thus it will increase your knowledge and help you to improve keyword research and content optimization.

Answer The Public: Best Alternative To LSI Graph?

Answer The Public is the best alternative to Surge Graph which generates keyword suggestions based on search queries from Google’s autocomplete feature. It evaluates the large amount of data available through Google’s autocomplete to provide valuable data on user search behavior and trends.

Pros: 3 Free Keyword Searches

Cons: Only 3 Free Keyword Searches. Won’t Let You Export Easily.

Answer The Public LSI Keyword Research Tool

Answer The Public offers better results based on user purpose by analyzing the questions, prepositions, and comparisons related to your main keyword.

Key Features and Pricing Options of Answer The Public

Answer The Public offers a variety of critical features that make it a powerful tool for keyword research. With its different features, filter options, and data comparisons option, it suggests easy-to-analyze keywords. The tool provides a lot of keyword ideas that can be used to improve your content optimization efforts and get more organic traffic.

When it comes to pricing, Answer The Public offers both a limited free plan and a pro plan. If you want to use more additional features and benefits choose the pro plan.

The free plan gives users a limited number of keyword suggestions and data. While the pro plan provides unlimited data, advanced filtering options, and allows to download data in various formats. The different pricing options make Answer The Public cheap to both individuals and businesses with different budgets.

Answer The Public Pricing Plan

Surge Graph vs Answer The Public:

When comparing Surge Graph and Answer The Public, it is important to consider several factors. While both tools focus on generating keyword suggestions, they differ in terms of data analysis and presentation.

Surge Graph provides a nice interface that showcases the close relationships between keywords. While Answer The Public offers a unique representation through word clouds and data comparisons.

In terms of search query suggestions, both tools tap into autocomplete data but may present the suggestions in slightly different ways. Surge Graph primarily focuses on LSI keywords, while Answer The Public provides a broader range of keyword ideas. That includes questions, prepositions, and comparisons. The choice between the two depends on the specific needs of your SEO strategy and the depth of data you need.

Regarding pricing, Answer The Public’s free plan provides a limited but valuable set of features. That makes it an attractive option for those with a limited budget. The pro plan offers additional benefits and unlimited data on keyword suggestions. It is useful for businesses or individuals Who need more advanced keyword research ideas.

Ease of Use Rating:

Answer The Public receives high marks for its ease of use. It is easy to navigate and use the friendly user interface of Answer The Public. Whether you are a beginner or an experienced SEO professional, Answer The Public offers a perfect user experience. It does efficient keyword research and content optimization.


Keys4Up: Unlocking the Power of LSI Keywords

Features and Benefits of Keys4Up:

Keys4Up is a powerful tool that specializes in generating related LSI keywords to improve your content optimization efforts.

Keys4Up LSI Keyword Generator Tool

Using its algorithm, Keys4Up identifies and suggests closely related keywords that can improve the relevance and ranking of your content. Even though it can show you hidden connections between keywords. It helps in creating engaging content that meets user search intent. The best part is that Key4Up can integrate with your WordPress with this Plugin.

Pricing Details of Keys4Up:

Keys4Up offers both free and paid plans for different user needs. The free plan provides limited access to keyword suggestions. Thus it is suitable for individual bloggers or small businesses with basic keyword research requirements.

The paid plans offer additional features such as advanced filtering options, larger data limits, and the option to export keyword lists.

Keys4Up Pricing Plan

Surge Graph vs Keys4Up:

When comparing Surge Graph and Keys4Up, there are notable differences in their features and functions. Surge Graph focuses on providing a visual representation of keywords that are closely related. It allows users to identify related terms and create content with improved contextual understanding.

On the other hand, Keys4Up specializes in generating LSI keywords based on its unique algorithm. That helps users to enhance their content optimization efforts.

When we talk about the price of Surge Graph it offers a free plan with limited features. While Keys4Up provides a free plan with limited data on keyword suggestions and more advanced paid plans for more data. While choosing think about your specific needs.

For example, you need the volume of keyword research and the level of keyword suggestion accuracy. Just compare these two tools’ data and choose which tool is best for your SEO strategy.

Ease of Use Rating:

Keys4Up is famous among SEO beginners and experts both because of its ease of use, user-friendly interface, and easy navigation. The tool design allows users to generate LSI keyword suggestions quickly and efficiently. Keys4Up simplifies the process of creating keyword-rich and highly relevant content.

Ultimate Keyword Hunter: A Powerful LSI Keyword Research Tool

Features and Functionalities of Ultimate Keyword Hunter:

Ultimate Keyword Hunter tool simplifies keyword analysis and content creation. It focuses on generating LSI keywords that help users identify closely related terms that can improve the relevance of the content.

Ultimate Keywor Hunter LSI Keyword Research Tool

By using advanced algorithms, Ultimate Keyword Hunter provides correct and valuable keyword suggestions that improve your SEO efforts.

Pricing Details of Ultimate Keyword Hunter:

Ultimate Keyword Hunter offers both free and premium plans to fulfill different user needs. The free plan provides basic data on keyword suggestions. Making it suitable for individual need bloggers or small businesses with limited keyword research needs.

The premium plans offer more features such as advanced filtering options, increased data limits, and you can export keyword data lists. First, understand your need and then select the plan according to your SEO process.

Surge Graph vs Ultimate Keyword Hunter:

When comparing Surge Graph and Ultimate Keyword Hunter, consider the specific features, pricing structures, and user satisfaction.

Surge Graph focuses on giving data of LSI Keywords and even you can optimize the content with the help of other tools it offers On the other hand, Ultimate Keyword Hunter generates LSI keywords based on advanced algorithms and can optimize them for organic traffic.

In terms of pricing, Surge Graph offers a free plan with limited features, while Ultimate Keyword Hunter provides both free and premium plans. You can choose one that matches your need.

Ease of Use Rating:

Ultimate Keyword Hunter is better in ease of use. The interface is user-friendly and simplifies the process to get LSI keywords. Anyone either a beginner or an expert can use it easily and optimize the content. With its integration of keyword analysis and content creation, it improves productivity and success.

Niche Laboratory: A Good Tool for Finding LSI Keywords By Themes?

Niche Laboratory is a powerful tool that helps in finding themes and generating LSI keywords for websites that are niche-specific. It helps users identify profitable niches by analyzing keyword data and competition levels.

Niche Laboratory LSI Keyword Generator

Also, it helps in improving keyword optimization by providing valuable data into related LSI keywords that can be used in the content.

Pricing Options of Niche Laboratory:

Niche Laboratory offers both free and premium plans to adjust different user needs. The free plan provides primary access to keyword research and niche analysis features. Thus it is suitable for individuals or small businesses with limited requirements.

The premium plans offer more benefits such as filtering options, increase data limits, and competitor analysis. Evaluate the pricing options based on your SEO strategy.

Niche Laboratory Pricing Structure

Effective Use of Niche Laboratory

To correctly use a Niche Laboratory, consider the following tips:

  • Identify Niche Themes: Use Niche Laboratory’s keyword research feature to get niche themes related to your field. Explore keywords with lower competition levels and higher search volume to find good results.
  • Analyze Competitor Keywords: Study the keywords used by your competitors to gain information about their plans and identify how you can improve your plan.
  • Generate LSI Keywords: Utilize Niche Laboratory’s LSI keyword generation feature to create your keyword list. Add these LSI keywords to your content to improve relevance and search engine visibility.

Surge Graph vs Niche Laboratory:

When comparing Surge Graph and Niche Laboratory, consider their features, pricing models, and user satisfaction. Surge Graph will give you data on LSI Keywords. With the help of these keywords you can optimize your content for better quality and relevant content. On the other hand, Niche Laboratory focuses on giving profitable niche themes and generating LSI keywords for websites.

In terms of pricing, Surge Graph offers a free plan with limited features, while Niche Laboratory provides both free and premium plans. You can select any based on your need and SEO Strategy.

Ease of Use Rating:

Niche Laboratory receives positive ratings for its ease of use. The tool offers an interface that is easy to use and navigate by new SEO beginners and experts also.

The keyword research and niche analysis features can provide valuable data. With Niche Laboratory, users can easily get niche themes and generate LSI keywords to optimize the content for targeted audiences.

Google Autocomplete: The Free Secret Weapon

Why Should You Use Google Autocomplete

If you are looking for a non-paid tool to discover LSI keywords and to make your searches faster, you can use Google Autocomplete. It helps to discover LSI keywords without paid alternatives. It uses Google Search’s autocomplete feature to suggest keywords based on user queries.

This tool analyzes data from different users to understand people’s search intent. It’s a valuable resource for keyword research.

Step-by-Step Guide For Using Google Autocomplete:

To use Google Autocomplete properly for keyword research, follow these steps:

  • Start with a Main Keyword: Begin by choosing your main keyword or the main topic you want to explore.
  • Analyze Autocomplete Suggestions: While you are typing keywords in the Google Search box, take careful notice to autocomplete suggestions. These suggestions come from commonly searched queries related to your keyword.
  • Use Long-Tail Queries: Pay attention to the long-tail queries in autocomplete suggestions. They offer valuable insights into user intent and niche topics.
  • Analyze the Suggested Autocompletions: Look at the autocomplete suggestions below the search bar. They provide extra keyword ideas for your content.

For example, if you want to find the LSI Keywords of “Indian Sarees”. Here the main keyword is “Digital watch,” LSI keywords could include “digital watch for men,” “digital watch for women,” or “digital watch price.”

Example Of LSI Keywords

Pros and Cons of Google Autocomplete:

Google Autocomplete offers several advantages for keyword research:

  • It is accessible and easy to use.
  • It provides real-time data.
  • It gives a wide range of keyword suggestions.

But, it also has limitations. For example, it may provide limited search volume insights and requires manual analysis and filtering of suggestions to determine relevance and competitiveness.

However, that can easily be solved by using SEO Chrome Extensions like Keyword Surfer, or Keywords Everywhere.

Despite limitations, Google Autocomplete is valuable and cost-effective for generating keyword ideas.

If you have read the complete blog, I think now you can understand: Which tool is best for finding LSI keywords?

For more clear and better understanding, we have mentioned below all 6 tools in one table

Aspect Surge Graph Answer The Public Keys4Up Ultimate Keyword Hunter Niche Laboratory Google Autocomplete
Data Sources Utilizes a vast database of keywords and search queries Uses search engine data and user queries Utilizes its database for keyword generation Gathers data from various sources including search engines Utilizes its database for niche and keyword analysis Utilizes data from Google’s search suggestions
Competitor Analysis Provides insights into competitor keywords and rankings Does not offer competitor analysis features Does not offer competitor analysis features Offers competitor analysis and keyword comparison features Does not offer competitor analysis features Does not offer competitor analysis features
Search Trends Analysis Includes trend analysis features for keyword popularity Does not offer in-depth trend analysis features Does not offer trend analysis features Offers trend analysis features for keyword popularity Does not offer in-depth trend analysis features Does not offer trend analysis features
Content Optimization Assists in optimizing content by suggesting LSI keywords Provides content ideas based on user queries Focuses on generating LSI keywords for content optimization Offers content optimization suggestions and keyword usage recommendations Focuses on generating niche themes and related keywords Does not provide content optimization features
Language Support Supports multiple languages for keyword research and analysis Limited language support, primarily English-based Limited language support, primarily English-based Supports multiple languages for keyword research and analysis Limited language support, primarily English-based Limited language support, primarily English-based
Customer Support Offers customer support through email and online chat Provides customer support through email Provides customer support through email Offers customer support through email and online chat Provides customer support through email No dedicated customer support
Integration with Tools Offers integration with other SEO tools and platforms Does not provide integration with external tools Does not provide integration with external tools Offers integration with other SEO tools and platforms Does not provide integration with external tools No integration with external tools
Ease of Use Intuitive interface with user-friendly navigation Moderately easy to use, but may require some learning curve User-friendly interface with straightforward functionalities User-friendly interface with easy-to-understand features User-friendly interface with clear functions Integrated with Google search for easy access
Pricing Subscription-based pricing plans with different features and benefits Free and Pro versions available with limitations on access and features Free and premium plans with advanced functionalities Free and premium plans with advanced functionalities Free and premium versions are available Free and included with Google search
Additional Features Content writer and planner tools for optimizing content creation and organization Offers insights into questions and prepositions related to keywords Provides detailed keyword analysis and competition comparison Includes SEO auditing and rank-tracking features Analyzes niches and provides related keywords and ideas Offers instant suggestions as users type in the search bar

Want to know in even more detail about latent semantic keywords? Simply read our blog on LSI Keywords and update your knowledge.

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You can take our Diploma in Digital Marketing, and launch your career just how you want it to be.


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