You need to limit the elements on your site and make your template minimalist. When it comes to templates and designs, there is one rule of thumb to consider that less is the number and any extra features of the layouts, including widgets and plugins. It is all about the code, which must be optimized quickly. If you put several elements on a page, your visitors need to wait for a long time, and they need to wait for around 3 seconds.
You need to ensure that your images are pretty sharp and adjust their sizes quickly. But you need to limit them to a minimum length as huge pictures are pretty heavy and can surely disturb your long time as per experts that offer Technical SEO Institute In Delhi. You need to use the jpg format for images, and for graphics, you must use png.