When a website takes too long to techniques load, we tend to blame the Internet connection. In most cases, being angry with the router or our Internet provider is justifi. However, in many other cases, the website we want to access is poorly far exces the average loading time for web pages (2-3 seconds). This can be a real problem for those whose website is their showcase and from which they offer their products or services. As an example of this, we have large Internet companies such as Amazon , where 0.1 seconds of delay means a loss of 1% in income, or Facebook , where a single second causes a drop of 6%.
Optimiz and the loading of its content
But how can you tell if a website is well optimiz? is a platform develop by Google that allows you to quickly and easily find out if a website is well optimiz . After a brief analysis of the page, the platform reflects in the results which improvements are most recommend for the website to be properly optimiz.
Although a website can be slow down by a large number of factors, there are generally five that are present on most pages. At DIGITAL55 we want to compile these five factors and the techniques recommend by Google to improve the spe of a website .
Minify resources (HTML, CSS and JavaScript)
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Taking advantage of browser caching
Each time a website is access for the first time, its resources are download and stor in the browser’s cache . This way, the next time users visit the site, they won’t ne to go through the process again and can access the website more quickly. It is a slow process and ” may require several round trips between a user and a server for all of these resources to be download ,” which can block the rendering of the content of the pages, that is, cause the web page to not load correctly or not look as it should.
Web optimization
All resources have a cache storage policy that defines whether the resource in question can be stor in the cache, who can store it, and how long it can be stor.
The interaction between user and server is summariz in requests and responses respectively. When a server returns a response it must provide the Cache-Control and ETag headers :
- “ allows you to define how and for how long browsers and other caches can store a particular response .”
- , on the other hand, “ provides a revalidation token that browsers automatically send to check whether the resource in question has chang since it was last request .”
According to Google’s recommendations, the optimal cache storage time is a minimum of one week , or up to one year for websites whose resources change infrequently.
On the other hand, to find out which is optimal for a specific web page, Google provides users with two very complete guides:
Enable compression
compression is available in all browsers. This compression is automatically execut when a user makes an HTTP request to a how to write a marketing resume that works for you server. Enabling GZip compression allows the size of server responses to be ruc by 90%, which in turn allows the download time of the request resource to be ruc .
Google recommends using HTML5 Boilerplate , a platform that includes for configuring popular servers. Users can find their server and, following the steps provid, configure it appropriately to enable GZip compression . It is important to note that some servers and antivirus programs may disable GZip compression when downloading files to the computer.
Optimize images
As a general rule, images represent the largest amount of data to be download from a page . Therefore, optimizing these resources is one of the best methods to improve the performance of the website.
On its developer platform, Google offers a guide with .
GIF , PNG and JPEG formats account for 96% of all images on the Internet . This is why Google’s PageSpe Insights tool offers specific recommendations for optimizing these types of formats. However, there are alternatives latest bulk sms available to users such as , which produces very similar results. It should be not that if the images are already well optimiz, it is possible that using third-party tools the images will increase in size .
PNG, GIF and JPEG
With the PNG format , image compression does not result in a loss of quality . On the other hand, with GIFs it is more advisable to use video instead of this format . In the case of JPEGs, the compression process eliminates details from the image . However, the compression rate can be up to 10 times higher than that of the previous formats.
Improve server response time
For a website to be consider well optimiz, the average server response time should be below 200 ms . This concept refers to the time it takes to load the HTML code from the server. Any result above that time is recommend for optimization.
There are several factors that can slow down a server’s response : slow database queries, low memory, slow application logic, libraries, etc. Google recommends following a few specific steps to optimize server response quickly and easily:
- First, measure performance data to find out the exact server response time and which factors are slowing it down.
- Correct these factors using the guides that list the best practices bas on the content management platform or web framework being us.
- Maintain regular monitoring of the server and stay alert for future performance declines.
As we said at the beginning, a large number of people use websites as showcases for their products or services. Correctly optimising your websites is very important to ensure that navigation through them is fluid. And allows potential customers to quickly access the content offer. Poor optimisation has a direct impact on potential sales that could be made from the website. Therefore, continu maintenance can prevent future performance problems that could seriously affect the browsing experience of users who visit it.
