Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 95

    SEO

    Google-friendlier than
    91% of websites

libro-de-obra.com

Libro de Obra, documentación digital de la construcción

Page Load Speed

1.8 sec in total

First Response

371 ms

Resources Loaded

1.2 sec

Page Rendered

261 ms

libro-de-obra.com screenshot

About Website

Visit libro-de-obra.com now to see the best up-to-date Libro De Obra content and also check out these interesting facts you probably never knew about libro-de-obra.com

El Libro de Obra es el software utilizado por los supervisores de obras y arquitectos para la documentación legalmente segura del sitio de construcción.

Visit libro-de-obra.com

Key Findings

We analyzed Libro-de-obra.com page load time and found that the first response time was 371 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

libro-de-obra.com performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

libro-de-obra.com

371 ms

styles.css

108 ms

espanol.jpg

293 ms

windows.png

305 ms

easyonline.php

218 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that 40% of them (8 requests) were addressed to the original Libro-de-obra.com, 60% (12 requests) were made to Bauskript.de. The less responsive or slowest element that took the longest time to load (807 ms) belongs to the original domain Libro-de-obra.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.1 kB (20%)

Content Size

191.5 kB

After Optimization

152.4 kB

In fact, the total size of Libro-de-obra.com main page is 191.5 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 5% of websites need less resources to load. Images take 181.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 6.8 kB

  • Original 9.3 kB
  • After minification 8.7 kB
  • After compression 2.5 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 6.8 kB or 73% of the original size.

Image Optimization

-17%

Potential reduce by 31.6 kB

  • Original 181.3 kB
  • After minification 149.7 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, Libro De Obra needs image optimization as it can save up to 31.6 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-79%

Potential reduce by 774 B

  • Original 984 B
  • After minification 821 B
  • After compression 210 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. Libro-de-obra.com needs all CSS files to be minified and compressed as it can save up to 774 B or 79% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

19

After Optimization

19

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libro De Obra. According to our analytics all requests are already optimized.

Accessibility Review

libro-de-obra.com accessibility score

94

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

libro-de-obra.com best practices score

83

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

libro-de-obra.com SEO score

95

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Libro-de-obra.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 Libro-de-obra.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

Open Graph description is not detected on the main page of Libro De Obra. 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: