Tools & Wizards About Us

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

libroazul.com

Guia EBC Libro Azul Página Oficial

Page Load Speed

21.3 sec in total

First Response

132 ms

Resources Loaded

19.9 sec

Page Rendered

1.3 sec

About Website

Visit libroazul.com now to see the best up-to-date Libro Azul content for Mexico and also check out these interesting facts you probably never knew about libroazul.com

Guia EBC, Página Oficial del famoso Libro Azul del Mercado Automovilístico Mexicano. El Libro Azul es una herramienta para consultar el precio de los autos.

Visit libroazul.com

Key Findings

We analyzed Libroazul.com page load time and found that the first response time was 132 ms and then it took 21.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

libroazul.com performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value24.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value25.0 s

0/100

25%

SI (Speed Index)

Value34.7 s

0/100

10%

TBT (Total Blocking Time)

Value4,810 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.162

72/100

15%

TTI (Time to Interactive)

Value62.1 s

0/100

10%

Network Requests Diagram

libroazul.com

132 ms

www.libroazul.com

132 ms

www.libroazul.com

16474 ms

bootstrap.min.css

270 ms

font-awesome.css

213 ms

Our browser made a total of 248 requests to load all elements on the main page. We found that 71% of them (175 requests) were addressed to the original Libroazul.com, 5% (13 requests) were made to Googleads.g.doubleclick.net and 3% (8 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (16.5 sec) belongs to the original domain Libroazul.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.3 MB (18%)

Content Size

12.2 MB

After Optimization

10.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Libroazul.com main page is 12.2 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. Only a small number of websites need less resources to load. Images take 5.9 MB which makes up the majority of the site volume.

HTML Optimization

-29%

Potential reduce by 1.3 MB

  • Original 4.4 MB
  • After minification 4.3 MB
  • After compression 3.2 MB

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 1.3 MB or 29% of the original size.

Image Optimization

-6%

Potential reduce by 371.1 kB

  • Original 5.9 MB
  • After minification 5.5 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. Libro Azul images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 295.0 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 1.2 MB

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 295.0 kB or 20% of the original size.

CSS Optimization

-70%

Potential reduce by 326.2 kB

  • Original 464.1 kB
  • After minification 462.9 kB
  • After compression 137.8 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. Libroazul.com needs all CSS files to be minified and compressed as it can save up to 326.2 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (27%)

Requests Now

234

After Optimization

171

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 234 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libro Azul. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

libroazul.com accessibility score

96

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

Best Practices

libroazul.com best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Requests the notification permission on page load

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

libroazul.com SEO score

89

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    UTF-8

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

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