Access centrosanluis.com. Formación Profesional y Bachillerato

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.049

99/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

centrosanluis.com

193 ms

www.centrosanluis.com

560 ms

css

56 ms

bootstrap.min.css

167 ms

font-awesome.min.css

252 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 91% of them (93 requests) were addressed to the original Centrosanluis.com, 4% (4 requests) were made to Upload.wikimedia.org and 2% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Centrosanluis.com.

Content Size

228.3 kB

After Optimization

67.7 kB

In fact, the total size of Centrosanluis.com main page is 228.3 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. HTML takes 183.5 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 160.3 kB

Original 183.5 kB
After minification 143.5 kB
After compression 23.2 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 40.0 kB, which is 22% 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 160.3 kB or 87% of the original size.

JavaScript Optimization

-1%

Potential reduce by 252 B

Original 44.8 kB
After minification 44.8 kB
After compression 44.5 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.

Requests Now

After Optimization

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centro Sanluis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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 the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA IDs are not unique

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

High

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

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

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

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

To appear in search results, crawlers need access to your app.

High

robots.txt is not valid

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

Language and Encoding

Language Detected

ES
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centrosanluis.com 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 Centrosanluis.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.

Social Sharing Optimization

centrosanluis.com

Open Graph data is detected on the main page of Centro Sanluis. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

Report Summary

Performance

Accessibility

Best Practices

SEO

Formación Profesional y Bachillerato - Centro Privado concertado en Bilbao

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

centrosanluis.com

www.centrosanluis.com

css

bootstrap.min.css

font-awesome.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

centrosanluis.com

www.centrosanluis.com

css

bootstrap.min.css

font-awesome.min.css

style.css

style.css

material-icons.css

animate.css

hs.megamenu.css

hamburgers.min.css

slick.css

jquery.fancybox.css

custombox.min.css

chosen.css

jquery-ui.min.css

styles.multipage-education.css

custom.css

cookieconsent.min.css

cookieconsent.min.js

jquery.min.js

jquery-migrate.min.js

popper.min.js

bootstrap.min.js

jquery-ui.core.min.js

datepicker.js

widget.js

version.js

keycode.js

position.js

unique-id.js

safe-active-element.js

menu.js

mouse.js

hs.megamenu.js

chosen.jquery.js

slick.js

jquery.fancybox.min.js

gmaps.min.js

custombox.min.js

jquery.maskedinput.js

cookie-consent.js

hs.core.js

hs.tabs.js

hs.header.js