3 sec in total
339 ms
2.5 sec
124 ms
Click here to check amazing Gredos Usal content for Spain. Otherwise, check out these important facts you probably never knew about gredos.usal.es
Visit gredos.usal.esWe analyzed Gredos.usal.es page load time and found that the first response time was 339 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
gredos.usal.es performance score
name
value
score
weighting
Value4.3 s
18/100
10%
Value4.3 s
41/100
25%
Value9.8 s
10/100
10%
Value460 ms
62/100
30%
Value0.065
97/100
15%
Value15.8 s
6/100
10%
339 ms
114 ms
267 ms
327 ms
228 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 90% of them (37 requests) were addressed to the original Gredos.usal.es, 5% (2 requests) were made to Oca.usal.es and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Oca.usal.es.
Page size can be reduced by 147.0 kB (36%)
403.2 kB
256.1 kB
In fact, the total size of Gredos.usal.es main page is 403.2 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. 25% of websites need less resources to load. Images take 304.2 kB which makes up the majority of the site volume.
Potential reduce by 25.6 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 11.2 kB, which is 38% 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 25.6 kB or 86% of the original size.
Potential reduce by 79.6 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, Gredos Usal needs image optimization as it can save up to 79.6 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 17.6 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 17.6 kB or 42% of the original size.
Potential reduce by 24.3 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. Gredos.usal.es needs all CSS files to be minified and compressed as it can save up to 24.3 kB or 89% of the original size.
We found no issues to fix!
36
36
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gredos Usal. According to our analytics all requests are already optimized.
gredos.usal.es
339 ms
jspui
114 ms
267 ms
styles.css.jsp
327 ms
utils.js
228 ms
flowplayer-3.2.12.min.js
343 ms
barraRoja.php
1440 ms
LogoGredos.png
230 ms
LogoUsal.png
118 ms
CabeceraGredos.png
215 ms
arrow.gif
116 ms
rss1.gif
227 ms
rss2.gif
228 ms
rss.gif
230 ms
CC.jpg
345 ms
FaceBook-icon.png
322 ms
Twitter-icon.png
343 ms
3
582 ms
105178
578 ms
5
579 ms
6
544 ms
recolecta_nuevo_logo.JPG
457 ms
hispana.jpg
572 ms
europeana.jpg
685 ms
eromm.jpg
762 ms
logo_driver.jpg
800 ms
OpenAIREplus_logo.png
692 ms
base.jpg
693 ms
tdr.jpg
806 ms
dart.gif
800 ms
oatd.JPG
808 ms
oaister.png
808 ms
scholar_logo_lg_2011.gif
870 ms
logo_mcu.gif
914 ms
logo_ud.gif
948 ms
banner_centenario_06.jpg
946 ms
logo_oca.png
921 ms
ga.js
23 ms
__utm.gif
24 ms
print.css
118 ms
MarcaBlanca.png
114 ms
gredos.usal.es accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
gredos.usal.es 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
Browser errors were logged to the console
Page has valid source maps
gredos.usal.es SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gredos.usal.es can be misinterpreted by Google and other search engines. Our service has detected that English 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 Gredos.usal.es 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.
gredos.usal.es
Open Graph description is not detected on the main page of Gredos Usal. 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: