Tools & Wizards About Us
gsic.uva.es screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

Page Load Speed

3.1 sec in total

First Response

457 ms

Resources Loaded

2.4 sec

Page Rendered

190 ms

gsic.uva.es screenshot

About Website

Click here to check amazing GSIC Uva content for Spain. Otherwise, check out these important facts you probably never knew about gsic.uva.es

Visit gsic.uva.es

Key Findings

We analyzed Gsic.uva.es page load time and found that the first response time was 457 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

gsic.uva.es performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

gsic.uva.es

457 ms

www.gsic.uva.es

510 ms

standard.css

117 ms

gsic-emic.png

344 ms

spain.png

305 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Gsic.uva.es and no external sources were called. The less responsive or slowest element that took the longest time to load (576 ms) belongs to the original domain Gsic.uva.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 20.2 kB (19%)

Content Size

105.8 kB

After Optimization

85.6 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Gsic.uva.es main page is 105.8 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. Images take 95.7 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 3.1 kB

  • Original 4.7 kB
  • After minification 4.4 kB
  • After compression 1.6 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. 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 3.1 kB or 67% of the original size.

Image Optimization

-13%

Potential reduce by 12.6 kB

  • Original 95.7 kB
  • After minification 83.1 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, GSIC Uva needs image optimization as it can save up to 12.6 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-82%

Potential reduce by 4.5 kB

  • Original 5.5 kB
  • After minification 3.9 kB
  • After compression 963 B

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. Gsic.uva.es needs all CSS files to be minified and compressed as it can save up to 4.5 kB or 82% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

  • Images
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GSIC Uva. According to our analytics all requests are already optimized.

Network Requests Diagram

gsic.uva.es

gsic.uva.es

457 ms

www.gsic.uva.es

www.gsic.uva.es

510 ms

standard.css

standard.css

117 ms

gsic-emic.png

gsic-emic.png

344 ms

spain.png

spain.png

305 ms

uk.png

uk.png

321 ms

n_0.png

n_0.png

326 ms

n_7.png

n_7.png

327 ms

n_3.png

n_3.png

348 ms

n_2.png

n_2.png

405 ms

n_8.png

n_8.png

428 ms

n_1.png

n_1.png

432 ms

ubar.png

ubar.png

432 ms

eee.png

eee.png

570 ms

metis.png

metis.png

576 ms

preaty.png

preaty.png

504 ms

Accessibility Review

gsic.uva.es accessibility score

83

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[accesskey] values are not unique

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

gsic.uva.es best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

gsic.uva.es SEO score

69

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Document doesn't have a valid hreflang

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gsic.uva.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 Gsic.uva.es main page’s claimed encoding is windows-1252. 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.

Social Sharing Optimization

gsic.uva.es

Open Graph description is not detected on the main page of GSIC Uva. 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: