Access iesluisdelucena.com. IES LUIS DE LUCENA

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value22.9 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value2,130 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

iesluisdelucena.com

582 ms

intro.jpg

533 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Iesluisdelucena.com and no external sources were called. The less responsive or slowest element that took the longest time to load (582 ms) belongs to the original domain Iesluisdelucena.com.

Content Size

29.7 kB

After Optimization

27.0 kB

In fact, the total size of Iesluisdelucena.com main page is 29.7 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 27.8 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 1.4 kB

Original 1.9 kB
After minification 1.2 kB
After compression 482 B

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 624 B, which is 33% 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 1.4 kB or 74% of the original size.

Image Optimization

-5%

Potential reduce by 1.3 kB

Original 27.8 kB
After minification 26.5 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. IES LUIS DE LUCENA images are well optimized though.

Requests Now

After Optimization

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IES LUIS DE LUCENA. According to our analytics all requests are already optimized.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

Language and Encoding

Language Detected

ES
Language Claimed

N/A
Encoding

N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iesluisdelucena.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 Iesluisdelucena.com main page’s claimed encoding is . 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

iesluisdelucena.com

Open Graph description is not detected on the main page of IES LUIS DE LUCENA. 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: