16 Tools to Check and Write SEO-Standard Articles in 2025

In today's digital age, optimizing content for search engines is extremely important. To make your articles not only attractive to readers but also easily found on search engines, using SEO-standard writing and checking tools is indispensable. In this article, Sadesign will introduce 16 useful tools to help you improve content quality, increase SEO rankings and attract natural traffic to your website.

1. SEMrush: Comprehensive SEO Tool

SEMrush is one of the leading SEO tools available today, providing users with comprehensive insight into their website's search performance. With over 40 tools for SEO, PPC, and social media management, you'll have all the tools you need to optimize your online marketing strategy.

SEMrush goes beyond keyword analysis by allowing you to track and analyze your backlinks and your competitors, helping you discover new opportunities in the market. With SEMrush, optimizing content and planning marketing campaigns has never been easier.

2. Yoast SEO: Great optimization tool for WordPress

Yoast SEO is an indispensable tool for anyone using WordPress. With a friendly and easy-to-use interface, Yoast helps you optimize important SEO elements in each article. From keyword analysis to optimizing titles and descriptions, everything is done in just a few clicks.

Since its launch in 2010, Yoast SEO has become the go-to tool for millions of content writers. It not only provides useful information but also makes suggestions for improving the quality of your writing, making it easier for you to attract the attention of both Google and readers.

3. Small SEO Tools: Multi-purpose content checking tool

Small SEO Tools is one of the most popular tools for checking and optimizing content. With the ability to optimize the first and last two paragraphs of the article, this tool helps you create more outstanding and attractive content, thereby improving your SEO score in the eyes of Google.

In addition, Small SEO Tools also provides many other useful features such as plagiarism checker and keyword analysis. Thanks to its simplicity and effectiveness, Small SEO Tools has become an indispensable part of the process of creating quality content for websites.

4. SEOQuake: Powerful SEO Analysis Tool

SEOQuake is a browser extension that gives you detailed information about your website's SEO. With its website audit and link evaluation features, SEOQuake helps you monitor the SEO health of both your site and your competitors.

Not only does it analyze, SEOQuake also allows you to compare SEO performance between websites in the same field. This helps you easily identify your strengths and weaknesses, thereby creating reasonable optimization strategies.

5. KeywordTool.io: Effective Keyword Mining

KeywordTool.io is an incredibly easy-to-use keyword research tool that helps you expand your keyword list for your content. With an intuitive interface and detailed results, you’ll quickly find the most relevant keywords to grab your readers’ attention.

In particular, KeywordTool.io not only provides the main keyword but also suggests other related keywords, helping you create richer and more attractive content. If you are looking for an effective tool to improve the SEO quality of your article, KeywordTool.io is the perfect choice.

6. Google Trends: Discover keyword trends

Google Trends is a powerful and free tool, launched in 2004, that helps users easily track search trends in real time. With the ability to show changes in interest in a specific keyword or topic, Google Trends is not just a keyword search tool but also opens up an insight into what users are interested in at the moment. This helps you grasp the trends to adjust your content, thereby increasing the ability to attract readers.

If you are having trouble deciding which keywords to use for your article topic, Google Trends can be a great help. With charts and specific data, you can easily compare the popularity of different keywords, thereby making smarter and more effective decisions in optimizing your content for search engines.

7. Grammarly: The perfect solution for grammar

Grammarly is one of the leading grammar and spelling checking tools, helping you ensure that your content is always up to the highest standards. When your content is read by millions of people, grammatical errors can be annoying and reduce the credibility of your website. Grammarly is not just a tool to detect errors, but also offers suggestions to improve your writing style, helping you convey your ideas more clearly and coherently.

The great thing about Grammarly is that it is completely free and available as a Chrome extension. By integrating this tool into your writing process, you will not have to worry about your website being demoted because of small errors. Let Grammarly help you improve the quality of your content and make a good first impression on your readers.

8. CoSchedule: Optimize Your Headlines to Attract Readers

CoSchedule is a powerful online tool for content marketers that helps them create compelling, attention-grabbing headlines. More than just generating headlines, CoSchedule analyzes and suggests the use of power words that make your content compelling. Headlines are not only the first thing readers see, but they also have a direct impact on click-through rates and SEO rankings.

With its headline percentile rating feature, CoSchedule makes it easy to see how effective your chosen headline is. This not only improves your click-through rate, but also your overall SEO performance. A compelling headline can bring in more traffic, helping you outrank your competitors in the search race.

9. Google Search Console: Essential Tool for SEO

Google Search Console is an indispensable tool for anyone doing SEO, especially since Google has over 70% of the search market share. This tool helps you monitor your website's performance in search results, providing detailed information about traffic and rankings for each page. Using Google Search Console, you can easily identify technical issues and optimize individual parts of your website.

Additionally, Google Search Console also allows you to track specific keywords that users use to find your site. From there, you can adjust your content strategy to improve rankings and increase visibility. This is one of the powerful tools that helps you get a clear view of your SEO performance and make the necessary changes to achieve better results.

10. Google Keyword Planner: Effective keyword research tool

Google Keyword Planner is an incredibly useful keyword research tool that helps you discover trending keywords related to your niche. By allowing you to search and analyze keywords, Google Keyword Planner provides insights into what your readers are searching for. This not only helps you optimize your content, but also helps you create articles that are relevant to your readers’ interests and needs.

By entering your niche and seeing trending keywords, you can be more proactive in planning your content. This tool allows you to see average monthly searches, helping you choose keywords intelligently and effectively. With Google Keyword Planner, you will have the opportunity to create quality content that is more relevant to readers' search trends, thereby improving your website's ranking.

11. Woorank: Tool to analyze website strengths and weaknesses

Woorank is a comprehensive analytics tool that helps you evaluate your website’s performance in detail. Instead of simply performing a keyword search, Woorank allows you to look at how keywords are used on your page. With its in-depth analysis, it helps you determine whether you have optimized your content properly, helping you develop a more effective SEO plan.

In addition to evaluating keywords, Woorank also points out the strengths and weaknesses of your website, thereby painting a clear picture of your current position in the market. Through specific indicators, you can identify areas for improvement, helping to optimize your SEO strategy and attract more traffic to your website.

12. Wordstream: The Budget Solution for Keyword Research

Wordstream is an incredibly useful keyword research tool, especially for those looking for a budget-friendly solution. Similar to Google Keyword Planner, Wordstream allows you to enter a keyword, select your industry and location, and get a detailed list of related keywords. In just a few seconds, you’ll get information about search volumes on Google and Bing, along with the cost per click (CPC) for each keyword.

One of the strengths of Wordstream is the ability to download your keyword list as an offline file, making it easy to reference and use when needed. With Wordstream, you not only save money but also own a powerful tool to optimize your advertising and content strategy.

13. Copyscape: Anti-Plagiarism Content Protection Tool

Copyscape is an indispensable tool in protecting your content from the risks of plagiarism. With strict policies from Google and other search engines, having your content detected as copied can have serious consequences. Copyscape allows you to check your text to see if there are any copies appearing on the internet.

Simply copy and paste the text you want to check, and Copyscape will search and report any similar content. This not only helps you protect your copyright, but also ensures that your website maintains a high ranking in search engines thanks to its unique and quality content.

14. BuzzSumo: Competitor Content Analysis Tool

BuzzSumo is a powerful content analysis tool that allows you to track and evaluate the content your competitors are sharing. This is useful for gaining a better understanding of market trends and how your content compares to your competitors. With BuzzSumo, you can easily identify hot topics and adjust your content strategy accordingly.

In addition to analyzing your competitors’ content, BuzzSumo also provides insights into how users interact with content across different platforms. This helps you stay up to date with the latest trends, which in turn helps you create more engaging and engaging content for your target audience.

15. Keyword Density Checker: Keyword Density Checker Tool

Keyword Density Checker is an essential tool for content writers to control the keyword density in their articles. Using keywords correctly not only helps improve search engine rankings but also ensures that the content is not considered spam or keyword stuffing. This tool checks the frequency of keywords and provides warnings if the density is too high.

For SEO copywriters new to the game, finding the balance between keyword usage and providing quality content can be a challenge. With Keyword Density Checker, you’ll get clear and specific feedback, helping you tweak your writing to optimize both SEO and reader experience.

16. Answer the Public: Discover User Keyword Demand

Answer the Public is a free tool that is extremely useful for those who want to better understand how people search for information. Instead of focusing on individual keywords, this tool generates a list of questions and phrases that people are frequently using when searching for your keywords. This gives you a comprehensive view of the needs and desires of your readers.

By understanding the questions your users are asking, you can create accurate and useful content that meets their information needs. Quality and relevant content will not only attract readers but also have a higher chance of appearing in Google snippets, thereby increasing organic traffic to your website.

17. Conclusion

Using SEO writing and testing tools will not only help you optimize your content, but also improve user experience and increase your reach. Experiment and find the tools that best suit your needs to create quality articles that provide value to your readers and improve your search engine rankings. Don’t hesitate to invest time and effort into SEO optimization, as it is the key to long-term online success.