The Only On-Page SEO Guide 2021 Resources You Will Ever Need

By Digitrio

Post Date: 17 March 2021

SEO is a combination of offsite and onsite – and you need both to be successful.

However, you need to find the right mixture in terms of analytics and tracking to make it work for you. Most people focus on offsite but do note that it won’t work for you unless you get your onsite right. Onsite is the fundamental step to progressing in SEO Singapore, as it makes your site useful, relevant, helpful, extensive, and readable.

Here at Digitrio, we have curated some of the best articles on On-Site SEO guide 2021 for you. Go ahead and discover the secrets now!

Onsite SEO Guide 2021

Onsite Guide 2021

Quality content is a crucial part of SEO and should complement your website design and user interface.

Content marketing is a marketing strategy focused on creating and distributing valuable content for attracting a target audience, in order to drive profitable action. It goes hand-in-hand with SEO and is necessary to attain higher rankings. It can be classified into 3 main groups, which are – keyword research, content strategy, and technical SEO. A potent mixture of these will help your website secure a place in Google rankings.

Keyword Research

Keyword Research

Keywords matter because they reveal the intent of the searcher. Tailoring your onsite SEO around the ideal keywords will get you on top of Google, and get you more leads, sales, and commissions. Here’s what the experts have to say:


Meta Title Tags

Meta Title

Meta tags are HTML elements that provide information about a specific web page to search engines and site visitors. These elements are placed as tags in the head section of an HTML document. Learn more with the following resources:


Meta Description

Meta Description

A meta description is a snippet (ideally 155 characters or less) that works as an HTML tag to summarize the content on a page. Optimizing it is a crucial part of onsite SEO. Read more in-depth strategies below:


Structuring URLs

Structuring Url

The structure of domain names and URLs is one of the building blocks of SEO. Here are some actionable tips for structuring the link addresses for higher rankings:


Header Tag

The 6 leading elements (H1-H6) indicate section headings. It’s important to constantly implement the heading elements across your entire site, to get the most usability out of it. Learn more in the following articles:


Content Length

You’ve heard that content is king, but did you also know that content length, quality and freshness affect rankings and conversions? Here are our top picks for making the most out of your content:


Internal Linking

Internal Linking

Your website needs internal links to improve SEO, usability and conversions. These links pass authority from 1 page to another, guide visitors to high-value pages, and encourage them to take action. Find out the recommended strategies for internal link building below:


Image Optimization

Image Optimization

Optimizing your images is important for SEO, and can help you show up in image-based search engines such as Google Images. The following resources will help you optimize image files to make them more SEO-friendly:


Technical SEO

Technical Seo

Technical SEO refers to any SEO work that’s carried out apart from the content portion. You need to lay a strong foundation to help your content rank for relevant keywords and phrases – which is where it comes in. It focuses on how efficiently search engine spiders crawl your site and index your content. This is important because:

  • You need a fast site for fast rankings
  • Strong site architecture gets you noticed by Google
  • You remove thin/duplicate content
  • You describe your content with structured data


Analysis Tool

Google Analytics

Google Search Console is a free service that enables you to learn about your website and its visitors. Google Analytics or GA is also an excellent option for those looking to measure their traffic. Gain a deeper understanding of Google’s analytical tools with the below-mentioned guides:


Page Speed

Digitrio - GTMetrix Score

This is the amount of time a page needs to completely load. It relies on many factors, such as host and design. Optimizing your page speed is important because users usually exit websites that take too long to load. Plus, Google is sure to penalize your site for its slow speed. Learn more below:




Redirecting your non-www URLs to www, or vice-versa is necessary to help Google and other search engines index only one domain, without splitting the results. You will also benefit by redirecting traffic from index.php or index.html to your domain homepage. Read more about redirection below:




Your site’s robot.txt file enables you to communicate with search engines and tells them which parts they should index. It’s a good idea to create one – in order to submit your site’s XML sitemap to search engines. Take a look at what the experts have to say below:




A sitemap is a document that lists all website URLS that you want crawled. It enables website owners to notify search engines what pages on their website are available for the purpose of crawling. This helps them index your content more efficiently. Learn how to create a sitemap in WordPress with these resources:


Broken Link

There’s no excuse for broken links anymore. You can check for broken links on your website with our list of helpful tools, given right below. These are available in both free as well as paid versions. Learn the insider secrets here:


Mobile Responsive


We are living in the mobile age, which is why a mobile-first web experience is a must for all website owners. Google even has a search console for those who want to check how mobile-friendly their web pages are. Here are some of the top resources for an adaptive mobile experience:


Accelerated Mobile Pages (AMP)


AMP, or Accelerated Mobile Pages are designed to make pages load instantly on mobile. This helps publishers improve the speed and user experience for their mobile readership, without giving up on ad revenue. Take a look at how AMP works and how you can AMP your site now:




Here are some additional aspects that are important to note for an improved onsite experience:

Now that you have all read through this onsite SEO guide 2021, you can take a holistic approach to improve your SEO strategy!

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