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web users expect a site to load in 2 seconds or less. You have to check following areas,
A CDN is a collection of web servers distributed across multiple locations so content can be more efficiently delivered to users. CDNs are typically used for static content or files that do need to be touched once uploaded.
Browser caching allows assets on your website to be downloaded to your hard drive once into a cache, or a temporary storage space. Those files are now stored locally on your system, which allows subsequent page loads to increase in speed.
Keep all your images below 150KB, nothing above 1920px in width, at an average/medium/72dpi quality level. Any larger and you’ll notice the images loading very late after the page renders as well as the slow response times to user behavior.
Its a good question, if user go to website and after opening the website if it take time to load that make user unatractive and he leave your website.
User want website load with in 5 to 10 sec if your website is taking more time to load soa u need to check following
Default and good time of opening any webapplication from google is 3 seconds.
If application delayed. Following problems may occured:
1. Pictures who uploaded on web are very large.
2. Upload a video on web.
3. Web cache is full.
Solutions:
1. Compreesed pictures (60 kb) uploading on webapplication.
2. Upload video on youtube and linked on your webapplication.
3. By optimizing caches whereby, you ensure that the browser uses local memory to cache
resources in order to avoid unnecessary server request.
4. Doing away with redirects, which they require extra processing time. Server the site to
users directly.
5. Using direct buttons. Using javascript heavy plugins to manage social sharing or transfers
which adds bloats and extra http calls. Therefore it is advisable to use share buttons that
requires minimal scripting and load social media scripts asynchronously.
6. By use of content delivery network. Whereby CDN such as Amazon Cloudfront to reduce
the page load time