When a browser request something to the server, based on the type of web hosting your server responds to that browser. In between the browser and the server, many factors involve loading the user-requested page.
Whenever your website gets more traffic, the server takes much time to load the page. Do you think it's a server/hosting issue? absolutely no is the answer. Based on your hosting package i.e bandwidth server response.
Bandwidth plays a vital role to speed up your website. Let's take an example, you are using shared hosting, which controls the traffic of up to 10000 visitors per month. If you reach these stats, it immediately server takes time to load that page. Because of your bandwidth allocation over.
Then what is the best solution ?, we recommend choosing the best hosting company with a VPS plan.WP Engine, Siteground, Hostgator, and Blue host are some of the good web hosting companies offering different kinds of VPS plans.
Even having a VPS plan is not the permanent solution to reduce server response time. You have to use fewer resources to speed up your website.
If your website getting high traffic then upgrade to a VPS plan. For low traffic, websites stick with shared hosting and save money.
Your website loads several CSS files, images, and JavaScript files for each request. Just check out your WordPress theme, it may have several CSS and JS files, make them one each to avoid round trip for the browser and server.
Use fewer resources on your website by changing the following scripts.
Inline CSS is an advanced page speed technique recommends to speed up your website. Put your CSS into an HTML file instead of keeping it on an external CSS file. So, it will reduce the files the browser has to download and display user-requested page.
To call fewer resources for each page, combine external CSS files into one. Multiple CSS files are not at all required. Copy and paste the external CSS code to the main CSS file. Take a look at the ultimate guide to combine external CSS files.
To Inline JavaScript, Put your JavaScript into an HTML file instead of keeping it on an external JS file. So, it will reduce the files the browser has to download and display the user-requested page.
Make one JS file instead of multiple JavaScript files. Copy and paste the external JavaScript code to the main JS file. Learn more How to combine external Javascript files.
Use online tools to compress and minify CSS and JavaScript files. Reduce CSS and JS file sizes up to 50 to 60% by removing white spaces, compress colors,font-weight, and line breaks.
Consider using a Content delivery network, CDN services for faster page loading.MaxCDN and Cloudflare are the most popular content delivery networks in the world.
If you are using WordPress, then install and configure the W3 Total Cache or WP Super Cache plugin for even more speed. Leverage browser caching saves bandwidth by remembering CSS, logo, and favicon to load fast.
Reduce Image Size and properly scale image dimensions before uploading to your media. For WordPress users, many popular plugins available to do it safely. Wp Smush it and Lazy load images typically reduces image size.
You must use fewer resources to improve server load time. Last but not least website server software's like Nginx, Apache, and LiteSpeed is very popular, where one of the software you are using.PHP runs fast with Nginx over Apache.