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What is SEO (Search Engine Optimisation)?

If you wish to rank your website or app in search engines read on to see what impact this may have on front end webpages

| April 20, 2025 | 8 min read

For any website or application, a strong online presence is pivotal for businesses and individualities suchlike. Whether you’re running an e-commerce store, managing a blog or simply trying to increase your visibility online, understanding Search Engine Optimisation (SEO) is paramount. SEO is the practice of improving and optimising your website and content to appeal to search engines and rank higher in their SERPs (Search Engine Results Pages). The idea of performing these enhancements is ultimately to drive more traffic to your site organically (non-paid). Read on to discover the intricacies of SEO, its core components, benefits and the understand the impact of evolving landscape of search engine algorithms.

How Search Engines Work

Before diving into SEO strategies it’s essential to understand how search engines like Google and Bing function. They use complex algorithms to crawl the web and index billions of pages. They then rank these pages them based on relevance, authority and other metrics. The process typically involves three key stages:  

  • Crawling: Search engine bots, also known as “crawlers” or “spiders,” scour the internet following links from one page to another. They discover new content and revisit existing pages to check for updates.
  • Indexing: Once a page is crawled the search engine analyses its content, including text, images, and other elements, and stores this information in its index. This index is an enormous database of web pages allowing the search engine to quickly retrieve relevant results, like when users visit the search engine and request the search results for different keywords and phrases.  
  • Ranking: When a user performs a search the search engine’s algorithm analyses the query and retrieves the most relevant pages from its index. The algorithm then ranks these pages based on various factors to determine the order in which the search engine believes the results should appear in the SERPs.

The Key Components of SEO

SEO is a complex discipline encompassing various techniques and strategies. Perceived to revolve solely around keywords, that are an important part of SEO, they are not the only factor. SEO is a holistic approach that encompasses various aspects It can be broadly categorised into three main areas:

1. On-Page Optimisation

This focuses on optimising elements within your website itself that are under the website owners control, they include:

  • Keyword Research: Identifying relevant keywords that users are actively searching for and incorporating these naturally into your website content, title tags, meta descriptions and headings.  
  • Content Optimisation: Creating high-quality, informative and engaging content that satisfies user intent and provides value. This includes optimising content for readability, clarity and keyword relevance.  
  • Technical Optimisation: This practice ensures websites are technically sound and easily crawlable by search engines. This includes optimising the site architecture, URL structure, XML sitemaps, mobile-friendliness and even webpage speed/performance.  
  • HTML Optimisation: Optimising the HTML code of your web pages, including title tags, meta descriptions, header tags (H1-H6) and image alt text.
  • On-Page Optimisation: This focuses on optimising elements within your website itself that are under the website owners control, they include:

2. Off-page/Off-site Optimisation

This involves building your website’s authority and reputation through external factors primarily focusing on:

  • Link Building: Earning high-quality backlinks from other reputable websites. Backlinks act as votes of confidence signalling to search engines that your website is trustworthy and authoritative.
  • Social Media Marketing: Promoting your website and content on social media platforms to increase visibility and engagement. While social signals are not a direct ranking factor they can indirectly influence SEO by driving traffic and increasing brand awareness. The more users search for your website and content the interest it is deemed to have.  
  • Brand Building: Establishing a strong brand presence online and offline. A well-known, established and trusted brand is more likely to attract links, traffic and positive mentions – all of which can contribute to higher rankings.

3. Technical SEO

This focuses on the technical aspects of your website that affect its crawlability and indexability. It includes:

  • Site Speed Optimisation: Ensuring your website loads quickly and efficiently. Page speed is a crucial ranking factor as users are more likely to abandon slow-loading websites. If your competition is offering a similar product or service, at a similar cost and users are much happier to use their website due to its performance then you will be losing out.  
  • Mobile Optimisation: Make sure your website is mobile-friendly and provides a seamless user experience on all devices. Tagging business locations can also work particularly well since search engines can return nearby results if that is within the users search context. With the increasing use of handheld devices mobile optimisation is essential for SEO.
  • Crawlability and Indexability: Ensuring search engine crawlers can easily access and index your website’s content. This involves optimising your robots.txt file, XML sitemap and internal linking structures.
  • Schema Markup: Implementing schema markup to provide search engines with more information and context about your website and its content. Schema markup can also enhance your website’s visibility in SERPs by enabling rich snippets.

The Benefits of SEO

Investing in SEO can bring numerous benefits to your business or website, including:

  • Increased Organic Traffic: SEO helps you attract more visitors to your website through organic search results which are free and highly targeted.
  • Improved Brand Visibility: Higher rankings in SERPs increase your brand’s visibility and credibility, making it easier for existing and potentially new customers to find you.
  • Enhanced User Experience: Many SEO practices, such as site speed optimisation and mobile-friendliness, also improve the user experience on your website – leading to higher engagement and conversions.
  • Cost-Effective Marketing: Compared to paid advertising, SEO can be a more cost-effective marketing strategy in the long run. While it requires an initial investment of time and resources the results can be long-lasting and sustainable provided SEO standards and development is maintained.
  • Targeted Traffic: If performed correctly SEO can allow webpage owners to target specific keywords and demographics ensuring that they attract the most relevant visitors to the webpage.
  • Competitive Advantage: By implementing effective SEO strategies you can gain an advantage over your competitors and capture a larger share of the market. If your website appears ahead of theirs in SERPs its almost guaranteed to get a greater share of clicks and search traffic, the higher up the page the greater the clicks and traffic.

The Evolving Landscape of SEO

SEO is a constantly evolving field – search engine algorithms are often being updated. Staying up-to-date with the latest trends and best practices is crucial for maintaining and improving your website’s rankings. Some of the key trends shaping the future of SEO include:

  • Artificial Intelligence (AI): AI is playing an increasingly important role in search engine algorithms – enabling them to better understand user intent and provide more relevant results.  
  • Voice Search: With the rise of voice activated devices like Siri and Alexa, voice hunting is becoming increasingly popular. Optimising your website for voice hunt requires a different approach involving fastening conversational language and long-tail keywords.  
  • Mobile-First Indexing: Google has shifted to a mobile-first indexing approach, meaning that it primarily uses the mobile version of a website for indexing and ranking webpages and content. This emphasises the importance of mobile optimisation.
  • User Experience (UX): User experience is also becoming an increasingly important ranking factor. Search engines are prioritising websites that provide a positive user experience, including quick loading times, fast rendering, easy navigation and engaging content.  
  • E-A-T (Expertise, Authoritativeness, Trustworthiness): Google’s E-A-T guidelines emphasise the importance of creating high-quality content from trusted sources. Building expertise, authoritativeness and trustworthiness are crucial for ranking well in competitive niches.

SEO Conclusions

SEO is a complex and dynamic field but it is an essential component of any successful online marketing strategy. By understanding the core principles of SEO and staying up-to-date with the latest trends you can optimise and ehance your website to attract more organic traffic, improve your brand visibility, and achieve your online goals/targets.

While SEO doesrequire ongoing effort and regular updates the long-term benefits can make it a very worthwhile investment for any business or individual looking to thrive in the digital landscape. Remember that SEO is not a quick fix but rather a long-term strategy that requires patience, persistence and a commitment to providing value to your audience.

SEO FAQs

How long does it take to see results from SEO?

SEO is no quick fix! It’s a long-term strategy often requiring regular updates and results can take as long as 3-6 months to see significant results – or even longer if your webpage is trying to make an impression in a competitive industry. This is because search engines need time to crawl and index your website and for your optimisation efforts to take effect. The timeline can also vary depending on factors like your website’s current state, the activeness of your competitors and the consistency of your SEO efforts.

Can I do SEO myself or do I need to hire an expert?

Whether or not you can do SEO yourself depends on your knowledge, skills and time commitment. If you have a basic understanding of SEO principles and are willing to invest the time to learn and implement the necessary strategies, you may be able to handle some aspects of SEO yourself.

However, for more complex and competitive situations it’s often beneficial to hire an experienced SEO professional or agency that can provide expert guidance and deliver better results.

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