Tools & Wizards About Us
opuslibros.org screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

opuslibros.org

Opus Dei: ¿un CAMINO a ninguna parte?

Page Load Speed

555 ms in total

First Response

112 ms

Resources Loaded

254 ms

Page Rendered

189 ms

opuslibros.org screenshot

About Website

Visit opuslibros.org now to see the best up-to-date Opus Libros content for Spain and also check out these interesting facts you probably never knew about opuslibros.org

Guia de recursos para salir del Opus Dei y para no entrar. Por lo sueños que rompen, por las familias que desunen. Lee aquí los libros imprescindibles que dan la información que necesitas

Visit opuslibros.org

Key Findings

We analyzed Opuslibros.org page load time and found that the first response time was 112 ms and then it took 443 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

opuslibros.org performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value1.6 s

99/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

opuslibros.org

112 ms

general.css

28 ms

urchin.js

20 ms

__utm.gif

11 ms

perichOK.gif

29 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that 75% of them (6 requests) were addressed to the original Opuslibros.org, 25% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (112 ms) belongs to the original domain Opuslibros.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 15.0 kB (22%)

Content Size

67.9 kB

After Optimization

53.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opuslibros.org main page is 67.9 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 44.0 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 11.8 kB

  • Original 15.8 kB
  • After minification 11.8 kB
  • After compression 4.0 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 4.0 kB, which is 25% 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 11.8 kB or 75% of the original size.

Image Optimization

-3%

Potential reduce by 1.3 kB

  • Original 44.0 kB
  • After minification 42.7 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. Opus Libros images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 971 B

  • Original 6.8 kB
  • After minification 6.8 kB
  • After compression 5.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 971 B or 14% of the original size.

CSS Optimization

-70%

Potential reduce by 885 B

  • Original 1.3 kB
  • After minification 1.0 kB
  • After compression 375 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. Opuslibros.org needs all CSS files to be minified and compressed as it can save up to 885 B or 70% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opus Libros. According to our analytics all requests are already optimized.

Network Requests Diagram

opuslibros.org

opuslibros.org

112 ms

general.css

general.css

28 ms

urchin.js

urchin.js

20 ms

__utm.gif

__utm.gif

11 ms

perichOK.gif

perichOK.gif

29 ms

hopper_puerta.jpg

hopper_puerta.jpg

82 ms

EBE_tapap.jpg

EBE_tapap.jpg

54 ms

sello4.jpg

sello4.jpg

55 ms

Accessibility Review

opuslibros.org accessibility score

76

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.

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

Names and labels

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.

Impact

Issue

High

Links do not have a discernible name

Best Practices

opuslibros.org 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

opuslibros.org SEO score

62

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

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opuslibros.org 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 Opuslibros.org main page’s claimed encoding is iso-8859-1. 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

opuslibros.org

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