A self-paced, practical course for site owners, developers and marketers who want a website that loads fast, works for everyone, is easy for search engines to understand and stays secure. Seven lessons cover auditing a site, page speed and Core Web Vitals, images and assets, technical SEO, accessibility, page structure for clear calls to action, and security, backups and maintenance. Each lesson ends with an exercise applied to your own site. It teaches methods; it does not promise rankings, traffic or revenue.
What you will learn
- Audit a website and set a measurable baseline
- Improve Core Web Vitals and page speed
- Optimise images, fonts, scripts and caching
- Fix common technical SEO issues
- Meet core accessibility requirements
- Structure pages around a clear goal and call to action
- Secure, back up and maintain a site
Lessons
- Auditing Your Website
- Page Speed and Core Web Vitals
- Images, Fonts, Scripts and Caching
- Technical SEO
- Accessibility
- Page Structure and Calls to Action
- Security, Backups and Maintenance
Self-paced course from Tech Skills Library. Educational content only; it is not an accredited qualification, licence or credential.
Lessons
Auditing Your Website
Page Speed and Core Web Vitals
Speed affects user experience and is one of many signals search engines consider. Core Web Vitals are a set of user-centred performance measures. The metrics Largest Contentful Paint (LCP): how quickly the main content appears. A commonly cited target is within 2.5 seconds. Interaction to Next Paint (INP): how quickly the page responds to interactions. […]
Images, Fonts, Scripts and Caching
Assets are usually the largest part of a page’s weight. Images Resize images to the dimensions displayed. Use modern formats where supported. Compress with appropriate quality. Use responsive image attributes to serve different sizes. Lazy-load images below the fold, but not the main hero image. Fonts Limit font families and weights, host fonts efficiently, use […]
Technical SEO
Technical SEO ensures search engines can crawl, understand and index your pages. Crawlability Submit an XML sitemap. Check robots rules do not block important pages. Fix broken links and redirect chains. Indexing Use canonical tags to indicate preferred URLs. Avoid duplicate content from parameters or multiple versions of pages. On-page basics Each page needs a […]
Accessibility
Accessible websites work for people with disabilities and usually work better for everyone. Key principles Content must be perceivable, operable, understandable and robust. The Web Content Accessibility Guidelines provide detailed success criteria. Common fixes Text alternatives for meaningful images. Sufficient colour contrast. Keyboard access to all functions with visible focus. Labels for form fields and […]
Page Structure and Calls to Action
A fast, accessible page still fails if visitors cannot tell what to do. Every important page needs one clear purpose. One goal per page Decide the primary action for each page, such as booking, purchasing or signing up. Structure A headline stating what you offer and for whom. A short explanation of the benefit. Supporting […]
Security, Backups and Maintenance
An optimised website must stay secure and reliable. Security basics Keep the content management system, themes and plugins updated. Remove unused plugins and themes. Use strong passwords and multi-factor authentication for admin accounts. Limit admin accounts and permissions. Use HTTPS everywhere. Add a web application firewall where appropriate. Backups Back up files and databases automatically, […]