The process of technical SEO covers many aspects, such as page loading speed, coding, additional resources, and much more. The main elements that should be considered when optimizing a website technically are listed below. This article is based on the report and questions from the webinar “Site Promotion: Audit and Technical SEO”. For convenience, you can watch the video and presentation from the webinar below, but the article itself contains more technical nuances, so we recommend reading the article.
Technical SEO is the process of optimizing the technical infrastructure of a website to improve its ranking in search engines. Audit and technical SEO are among the most important stages of search engine optimization and website promotion, as its correct application allows you to ensure that your website meets the requirements of search engines.
Analysis, editing and control
Page load speed: Page load speed is a key factor business owner database that affects your site’s ranking in search engines. It is important that your site’s pages load as quickly as possible, and for this you can use various techniques such as image compression, CSS and JS minification, caching, etc.
Use TimeLine. There you can see live which elements are working the longest on your website – try to reduce the elements that take a long time to load and/or weigh too much. To do this, check, for example, images: some image formats may be duplicator review: we test its backups and migration more profitable, try saving images in .gif, .jpg with different optimizations, .png, .webp or use .svg in general + you can use tools such as TinyPNG or Squoosh.
Remove unnecessary tags and pieces of code
Shorten CSS , for example, you can disable all unused JS and CSS, move part of the style code from the CSS file to HTML, if appropriate in your case, and also reduce the number of existing styles. Some CSS files take up more than 1000-2000 lines, among SEO.UA clients there were cases when the CSS file weighed almost 2 MB. Remove unnecessary characters, comments and spaces from the code using tools such as UglifyJS or CSSNano.
Replace the image with code. Where there are background images, such as gradients or something else, you can use CSS. You can also make the image in .png or .gif with a transparent color, and create the background behind it using HTML and CSS. With such seemingly small tricks, you can reduce the volume of file downloads and the code of the page in general by many kilobytes.
Reduce server response time: Optimize your server by using caching, Content Delivery Network (CDN), and improving server settings.
Defer resource loading
Use lightweight libraries: Avoid heavy libraries if possible and use lightweight alternatives. You can also code without unnecessary libraries altogether.
Delay loading images and videos that aren’t phone number taiwan displayed immediately: Use Lazy Load techniques to load these resources only when they’re needed.
Use optimized fonts: Use WOFF2 or WOFF font formats for better performance and loading speed. Also, reduce the total number of different fonts on the page, their sizes, colors, etc. – this will also reduce the amount of code on the page.
Limit the number of redirects: Reduce the number of redirects on your website to reduce load times. Also, see the point below about redirects and .htaccess.
URL structure: It is important that the URL structure of your site is clear and easy for search engines to understand. URLs should be short and reflect the content of the page.