The Ultimate Guide to On-Page SEO Optimization in 2021

To rank on the first page of Google content is not the only key. There are other practices such as on-page SEO optimization. You must have read about SEO optimization; ranking is not possible without applying the on-page SEO techniques.

On-page SEO is the optimization of any page according to google bots to rank and gain organic traffic. With on-page SEO optimization the command is in your hands and you can control everything from content to HTML source code of your page. You decide your own content, along with targeted traffic, keywords, and quality of content.

We here would help you decide what to do next, with the help of the ultimate guide to on-page SEO optimization in 2021.

Here is On-page SEO checklist for 2021 to boost your traffic as well as page ranking:

1: Research Keywords and Key Phrases for long tail keywords

A keyword is an important On-page SEO factor. It helps the bots to recognize your content for relevancy. Proper use of keywords is your first successful step on On-page SEO Checklist. Keywords can be searched through different tools to boost your content.

To choose your primary keyword, you need to select a topic and arrange its title according to your keyword. Select them according to their search volume and relevancy on the tool. For keywords, you can use Google’s, Keyword Tool.
Primary keywords come with a keyword limit, 1.5 density per thousand words, you must not cross that as bots would consider that as stuffing.

Primary keywords are not the only keywords you use. Long-tail keywords help you avoid the stuffing of keywords as well as helps you rank. When you reach the limit of primary keywords use LSI keywords. Use LSI graph for longtail keywords.

2. Determine Targeted Keyword

Your keyword search doesn’t just start with searching a keyword with the help of a tool and stuffing it. To choose a perfect keyword, first, you need to recognize your audience, their interests, and their demographics.  After knowing that you must think like them. What topics would they be interested in, what would your audience search for? Along with that take voice search into consideration when searching keywords.

People use voice searches to see their queries in google and you need to be prepared for that. With voice search, the query is more than often in the form of a question.

3: Understand High-Quality Content

Writing content is easy but writing high-quality content could be tricky. Usually, blogs and other similar websites don’t have more words, which is a minus point. To perform well on search engines, you must explain your content widely and write long content almost 1300 words. But it could be more than that.

Well-researched and informative content that answers all the queries of the reader would definitely rank its place along with proper keywords.

Apart from that your content must not be plagiarized or copied from any other source. It should be original and unique for the search engines.


Pro Tip: To make your content detailed, use headings and subheadings that include keywords as well as LSI keywords

4: Optimized Your Content with Targeted Keyword to increase Density 2 to 3 %

A 1.5 density must be perfect for your 1300 words but the more density the more easily it would rank. To avoid stuffing as well as your must rank, keep your keywords natural and don’t force them into the content.

Detailed content can also help you here, the more content you have the more keywords you can add. This way content with 2% would outrank a 1% density content.

Another tip for that is you must not choose a high search volume keyword, use a keyword with medium search volume but a catchy keyword.

5: Perform a Content Audit (review density, content flow, content UX, Content FAQS)

To avoid the mess in your content a content audit is a must. It makes your content more organized and helps you avoid mistakes.
An audit is to clear your website content of every single error. To figure out, if you have extra pages or broken links that are bothering you. Or issue with your content flow and UX, keyword density, and backlinks, etc. That may affect your traffic flow and give your red flag.

Content Audit helps you know your keyword density and volume and tells you where it is exceeding and where it lacks. Along with that it also informs you about new keywords that you can use.

 Content flow and UX is important on-page SEO factor. As mentioned earlier you need to have quality content, and to know your content you must keep it in check. Content UX is writing for user experience, know how to place your text on your blog, keep the visual layout in mind and how to makes it creative.

You must add relevant FAQS, as FAQs not only makes your content descriptive and informative but also helps in keyword addition and cheats the search engine bots to rank the content.

You can use a tool for content audit or also do it yourself. Use Screaming Frog to perform an audit.

Read here more about Complete SEO Audit

6: optimized meta title and description with a targeted keyword.

Meta titles and descriptions are small snippets of text on a google page that describe your page’s content and gives the reader an idea of what the content is about.

A keyword addition is just as you can see they appear as a description of your page’s content. Recently Google increased the word count of meta titles and descriptions from 160 to 320 characters. So that the users can see a full description of the content.

So, you may see how important it is

7: Optimized featured image (alt and title with Targeted KW)

To avoid keyword stuffing and still rank through them, adding your targeted keywords to your featured images is an effective way. Add your main targeted keyword to the Alt and Title of your featured images and boost your keyword input.

You can also add your longtail keywords and LSI keywords to the Alt and Title of other images in your content. They play the same role as the longtail KW play for content in on-page SEO optimization.

8: Use Structured Markup

Structured markup is when you implement a markup on your page for additional information piece n the google page. Structured data is added directly to a page’s HTML markup. These markups are generated in the form of images, styling, rich snippets, visual enhancement for mobile users, brand information box, etc. that appear in search results.

The markups can be seen in the forms of Carousels, Breadcrumbs, Rich search results, Rich cards, Enriched search results, Knowledge Graph, and Rich results for AMP.

9: Optimize Site Architecture Factors (website speeds etc.)

Site architecture factors are basic when it comes to the technical side of the on-page SEO techniques. Site architecture is the planning and design, functional and visual components of a website. You need to follow the right structure to build a stable site structure.

To optimize the site architecture factors are:

  • Speed of your website, your website must load within 3 seconds.
  • Use of HTTPS for secure web surfing
  • Removal of duplication of content and pages on the internet
  • Mobile-Friendly Website
  • Descriptive and in-depth URLs

10: Optimized Robots.txt file

Robots.txt is a text file you put on your site to tell search robots which pages you would like them not to process or scan. It’s a communication with web crawlers. They are not mandatory but it’s a good way to avoid the extra pages that you keep on your website.

11: Create XML Site map submit it to Search Engine console

The Sitemaps is a file created that allows a webmaster to inform search engines about URLs on a website that are available for crawling. This allows search engines to crawl the site more efficiently and to find URLs that may be isolated from the rest of the site’s content.

It can be manually created. Simply create a sitemap.xml file and submit it to google webmaster tool.

12: Integrate search engine console

Google offers you with a free tool called Search Engine Console, provides you with tools to check your site’s performance, traffic, help you rank, keywords information and fix other issues.

The tool helps you see how internet users see your site when they search it and how does google access your website.

13: Integrate Google analytics

The google analytics tools help you measure your visitors and company campaigns for marketing purpose. Simply login to Google analytical and measure your digital property.

14: Review google indexing coverage issue

Similar to search engine console, Indexing shows you whether your webpage is eligible to show up in Google’s search results. You can simply use a google indexing tool, with help of URL, run live crawling to see whether Google can see the live page. If it can’t, it should explain why and the issue would be fixed and you can request indexing.

15: Mobile-friendly test

With the new updates of Google Mobile friendly website is a must. Since people surf the web on different gadgets such as Laptop, Mobile, Tablet, etc. Your website layout must be mobile friendly and adaptive.
The better adaptive layout, the more chances of your page ranking. After indexing your website to be a mobile-friendly website, you can check it with Mobile Friendly Test and see if your site is optimized.

16: Website loading time test

Speed is everything when it comes to on-page SEO optimization. The average full loading time of a website is 22 seconds while it is said that 53% of users will leave if not loaded in 3 seconds.

Your desktop speed is important but your mobile speed is more important when it comes to on-page SEO factors. As mobile users have increased so you need a speedy and quick website to impress users and bots.

Know your page’s strengths and weaknesses and get better results and traffic. Use GMetrix to analyze your site speed and make it faster.

17: Website server uptime

Your uptime depends on your server, it’s the amount of time the server stayed up and running. Usually, the servers guarantee to give you 100% uptime, which is not true but server companies do try to.

To look after your uptime, you must choose a hosting company that provides a better uptime, that doesn’t go down and keeps your website running whenever customers visit it.

18: Review website Design & User Interface (UI)

Website design is also called user experience design (UX design), and User Interface (IU) are both important website design elements.

Graphic designs and elements might need special skills and aesthetic sense to craft. Such as 3D designs are very expensive yet extremely appealing. The better design experiences a better user experience and means better traffic and good sales.

Better web designs are an effective way of increasing the usability of interfaces as well as user-friendly to all devices.

19: Check Spelling and Grammatical Errors

A very minor but important factor, which we usually ignore but is widely valuable. Your content should be error-free, whether it is grammatical or any other spelling error. Such small mistakes make your website non-reliable. You must proof-read your content thoroughly before uploading it.

You can use Grammarly to avoid spelling and grammatical errors.

20: SSL certificate

An SSL certificate is important on-page SEO factor for optimization. It not only helps you optimize but also makes your data safe. An SSL certificate ensures the security of your website, protects your sensitive data as well as ensures the user visiting they are safe.

It is very important for e-commerce websites as it encrypts data while sending it back and forth and provides client information safety from bots and hackers. You can buy an SSL certificate from your host or serving company.

21: Use any Free tool to re-audit again Finally.

The last and final step for on-page SEO optimization is re-audit. Auditor re-audit is no difficult task since with the advancement of technology you don’t need to go through each page and see if anything is left or any error is made. All you must do is a Re-audit tool and get it all set.

To re-audit you can use SEOptimer, analyze your website and rank better than ever!


An on-page SEO checklist is a must when it comes to applying On-page SEO techniques. You can either implement them yourself or take help from someone well aware with on-page SEO factors.

An On page SEO optimization is a time taking process but once done properly is all you need for your website optimization to rank well.

Follow the ultimate guide to On-page SEO optimization in 2021 and ensure the performance of your site is up to SEO speed in 2021