Access infrastructure.sener. Oficial Web | SENER

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value19.1 s

0/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

infrastructure.sener

706 ms

302 ms

205 ms

style.min.css

364 ms

styles.css

280 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Infrastructure.sener, 96% (93 requests) were made to Group.sener and 1% (1 request) were made to Static.cloudflareinsights.com. The less responsive or slowest element that took the longest time to load (5.2 sec) relates to the external source Group.sener.

Content Size

15.3 MB

After Optimization

14.6 MB

In fact, the total size of Infrastructure.sener main page is 15.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 14.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 176.2 kB

Original 214.6 kB
After minification 202.8 kB
After compression 38.3 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 176.2 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 465.4 kB

Original 14.9 MB
After minification 14.5 MB

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. Infrastructure images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 4.3 kB

Original 87.5 kB
After minification 86.4 kB
After compression 83.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-6%

Potential reduce by 3.5 kB

Original 59.6 kB
After minification 59.6 kB
After compression 56.2 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. Infrastructure.sener has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Infrastructure. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Infrastructure.sener can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Infrastructure.sener 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.

Social Sharing Optimization

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