4.2 sec in total
573 ms
3.4 sec
228 ms
Welcome to sfera.com homepage info - get ready to check Sfera best content for Spain right away, or after learning these important things about sfera.com
Sfera
Visit sfera.comWe analyzed Sfera.com page load time and found that the first response time was 573 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
sfera.com performance score
name
value
score
weighting
Value2.7 s
61/100
10%
Value4.0 s
50/100
25%
Value3.6 s
86/100
10%
Value340 ms
74/100
30%
Value0.184
66/100
15%
Value5.4 s
71/100
10%
573 ms
269 ms
547 ms
342 ms
376 ms
Our browser made a total of 24 requests to load all elements on the main page. We found that 54% of them (13 requests) were addressed to the original Sfera.com, 13% (3 requests) were made to Google-analytics.com and 8% (2 requests) were made to Nexus.ensighten.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Sfera.com.
Page size can be reduced by 299.6 kB (44%)
679.9 kB
380.2 kB
In fact, the total size of Sfera.com main page is 679.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Javascripts take 413.5 kB which makes up the majority of the site volume.
Potential reduce by 3.4 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 3.4 kB or 63% of the original size.
Potential reduce by 2.9 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Sfera images are well optimized though.
Potential reduce by 293.3 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 293.3 kB or 71% of the original size.
Number of requests can be reduced by 8 (40%)
20
12
The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sfera. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
www.sfera.com
573 ms
estilo.css.php
269 ms
jquery.min.js
547 ms
acciones.js.php
342 ms
geci.sfera.min.js
376 ms
gtm.js
87 ms
Bootstrap.js
33 ms
sfera_logotipo.png
129 ms
select_fl.png
132 ms
lb_boton.png
128 ms
radio0.png
127 ms
ver_carrito.php
219 ms
radio1.png
207 ms
in__1455801801_-23b5580.jpg
1849 ms
gotham-book-webfont.woff
501 ms
serverComponent.php
9 ms
analytics.js
17 ms
hotjar-122708.js
97 ms
ec.js
19 ms
collect
10 ms
collect
72 ms
modules-1f5c71aea63f8df71401422ed80fbe5f.js
27 ms
ga-audiences
62 ms
visit-data
199 ms
sfera.com accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Form elements do not have associated labels
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
sfera.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
sfera.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
N/A
ES
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sfera.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Spanish. Our system also found out that Sfera.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
sfera.com
Open Graph description is not detected on the main page of Sfera. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: