2.1 sec in total
678 ms
1.3 sec
146 ms
Visit certificados.sena.edu.co now to see the best up-to-date Certificado S Sena content for Colombia and also check out these interesting facts you probably never knew about certificados.sena.edu.co
Consulta Certificado
Visit certificados.sena.edu.coWe analyzed Certificados.sena.edu.co page load time and found that the first response time was 678 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
certificados.sena.edu.co performance score
name
value
score
weighting
Value11.2 s
0/100
10%
Value13.9 s
0/100
25%
Value13.6 s
2/100
10%
Value2,760 ms
3/100
30%
Value0
100/100
15%
Value17.8 s
4/100
10%
678 ms
208 ms
207 ms
485 ms
209 ms
Our browser made a total of 22 requests to load all elements on the main page. We found that all of those requests were addressed to Certificados.sena.edu.co and no external sources were called. The less responsive or slowest element that took the longest time to load (678 ms) belongs to the original domain Certificados.sena.edu.co.
Page size can be reduced by 114.7 kB (61%)
187.5 kB
72.8 kB
In fact, the total size of Certificados.sena.edu.co main page is 187.5 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. Only 10% of websites need less resources to load. Javascripts take 106.3 kB which makes up the majority of the site volume.
Potential reduce by 7.8 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. This page needs HTML code to be minified as it can gain 2.6 kB, which is 25% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 7.8 kB or 75% of the original size.
Potential reduce by 28.9 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. Obviously, Certificado S Sena needs image optimization as it can save up to 28.9 kB or 46% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 71.0 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 71.0 kB or 67% of the original size.
Potential reduce by 7.0 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Certificados.sena.edu.co needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 83% of the original size.
We found no issues to fix!
19
19
The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Certificado S Sena. According to our analytics all requests are already optimized.
certificados.sena.edu.co
678 ms
style.css
208 ms
menu.css
207 ms
jquery-1.6.3.js
485 ms
certificado2.js
209 ms
jquery.corner.js
279 ms
jquery1.js
202 ms
jquery2.js
270 ms
bg.gif
70 ms
header_ads.png
71 ms
logo2.gif
72 ms
facebook.jpg
75 ms
twitter.jpg
73 ms
detalle_transferencia.jpg
76 ms
top.gif
135 ms
transferencia.jpg
139 ms
imglog.jpg
141 ms
sena.jpg
145 ms
presidencia.jpg
142 ms
gel.jpg
143 ms
mintrabajo.jpg
203 ms
sigob.jpg
208 ms
certificados.sena.edu.co accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Links do not have a discernible name
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.
certificados.sena.edu.co best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
certificados.sena.edu.co SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
ES
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Certificados.sena.edu.co can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Certificados.sena.edu.co main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
certificados.sena.edu.co
Open Graph description is not detected on the main page of Certificado S Sena. 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: