What is SEO?


Search Engine Optimisation (SEO) is the practice of optimising a website so it can rank higher in search engines (Google or Bing).  The goal is to increase organic traffic by improving a site’s position on search engine results pages (SERPs). This process involves optimising content, improving webpage structure, and earning quality backlinks, which allows search engines to recognise a site as relevant and authoritative.
The higher a website ranks in SERPs, the more likely it is to attract organic traffic. Businesses that understand how SEO works yield better digital marketing results by driving consistent web traffic.

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How SEO works?

SEO raises a website’s relevance, usability, and authority based on search engine algorithms. These algorithms evaluate various indexing factors such as content quality, structure, backlinks, and engagement. When search engines find a website valuable and relevant to a search query, they rank it higher in the search results. SEO comprises several interconnected elements that work together to improve a website’s visibility in search results.

The 3 pillars of effective SEO

SEO is aimed at getting better online visibility, driving organic traffic, and engaging users. The success of any SEO hinges on three key pillars: technical SEO, content, and backlinks (off-page SEO). These elements work together to boost your website’s visibility, ranking, and overall online presence. Let’s break them down:

Technical optimisation

If your site isn’t technically sound, search engines will struggle to crawl and index your pages properly. This means making sure your site is fast loading, mobile-friendly, has a logical structure, and is above all, free of broken links and errors. A technically optimised website is like a well-built house—it stays strong and welcoming over time.

Key areas to focus on include:

  • Website speed: No one likes waiting around for a slow-loading site. Faster load times reduce bounce rates and elevate the user experience, helping your site rank better. Compress images, enable browser caching, and consider a content delivery network (CDN) to keep things speedy.
  • Mobile friendliness: With mobile traffic dominating the internet, having a mobile-friendly site isn’t optional—it’s essential. Make sure your website is responsive and offers a seamless experience across all devices.
  • Security: Trust is everything online. Deploying HTTPS provides a secure browsing experience by encrypting user data, which also boosts rankings since search engines prioritise secure websites.
  • Structured data markup: Search engines appreciate a little extra help understanding your content. Schema markup organises your site’s data, enabling features like rich snippets, which can make your listing more eye-catching in search results.
  • Indexing and crawlability: If search engines can’t access your site, they can’t rank it. Use clear navigation, XML sitemaps, and a clean URL structure. Also, avoid blocking important pages with robots.txt files or no-index tags.

Content optimisation

Content is the lifeblood of your SEO. It’s what connects you to your audience and helps search engines understand what your site is about. High-quality, relevant, and engaging content answers user questions, solves problems, and provides value. This includes blog posts, product descriptions, landing pages, and more. The better your content, the more likely you are to rank higher and attract visitors. Elevate your web pages to a higher level of quality through:

  • Keyword integration: Keywords still matter, but they should fit naturally. Include them in strategic places like titles, meta descriptions, headers, and within the text itself—but don’t overdo it. The goal is readability, not keyword stuffing.
  • Content relevance: Craft content that aligns with what users are searching for. Research common questions and pain points in your industry, then provide well-researched, detailed answers that truly add value.
  • Readability: Clear and scannable content keeps readers engaged. Use subheadings, bullet points, and even images or videos to break up text and make your content easier to digest.
  • Regular updates: Search engines love fresh content. Update existing pages regularly with new information, updated statistics, or additional sections to keep your site relevant and competitive.

Off-site optimisation

Backlinks are like votes of confidence from other websites. When credible sites link back to yours, it signals to search engines that your content is trustworthy and valuable. Building quality backlinks through partnerships, guest blogging, and PR efforts can significantly boost your rankings and online reputation. Here’s how to strengthen your site’s authority:

  • Backlink building: Quality backlinks from reputable, high-authority sites prove to search engines that your site is credible and can be trusted. Focus on earning links through partnerships, guest blogging, and creating share-worthy content.
  • Social media engagement: Social signals, like shares, likes, and comments, indirectly support your SEO efforts by driving traffic to your site. Stay active on platforms where your target audience is most engaged, and share content they’ll find helpful.
  • Online reviews and reputation management: Positive reviews build trust and boost your online reputation. Encourage satisfied customers to leave reviews on platforms. Responding professionally to reviews—both good and bad—also demonstrates credibility.

Popular SEO practices and techniques

To rank higher in search engines, businesses rely on three core SEO techniques: on-page, off-page, and technical SEO. Each plays a unique role in boosting a website's visibility, ranking, and overall performance in search engine results pages (SERPs). Mastering these techniques is key to achieving lasting online success.

On-page SEO refers to the optimisation of elements within a website. This includes creating high-quality, useful content that targets specific keywords naturally throughout the site.  Key elements include strong meta titles and descriptions, optimised alt text for images, and a well-structured URL. Specific elements, such as fast page speeds, mobile-friendliness, and secure HTTPS, also greatly improve on-page SEO. The goal is to make the website more accessible, engaging, and better indexed by search engines.

Off-page SEO involves efforts made outside the website to boost its credibility and authority. To expand reach and visibility, this approach focuses on earning backlinks from reputable sites, promoting content via social media platforms, and collaborating with influencers.

Technical SEO optimises a website’s backend so search engines can efficiently crawl and index its content. Key practices include fixing broken links, optimising site speed for a smooth experience, and keeping it secure and mobile-friendly.

These SEO techniques can help businesses strengthen their online presence and rank higher in search engines.

Explore related SEO topics with OVHcloud

Discover our collection of informative resources (guides, documentation, tutorials) to build or elevate your online presence:

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