Too many times, front-end coders and back-end developers take shortcuts Like not write proper code copy and past and not take care or quality in that way many time copy page code contain extra script with will effect website deeply and visitor to divert on other site.
Those who suffer are your website visitors and your business. Things like slow page load time, incompatibility with specific web browsers or mobile devices, and broken pages lead to potential customers leaving your website. That is why we have strict development standards that make our websites compatible, fast, and ready for search engine optimization. Web site many time not pass google speed and code validation which is main reason for fail in site loading which effect customer experince .