Tools & Wizards About Us
libreriaaltair.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

libreriaaltair.com

ALTAÏR llibreria – Cultura viatgera, antropologia i natura.

Page Load Speed

9 sec in total

First Response

274 ms

Resources Loaded

8.2 sec

Page Rendered

592 ms

libreriaaltair.com screenshot

About Website

Click here to check amazing Libreriaaltair content. Otherwise, check out these important facts you probably never knew about libreriaaltair.com

Fundada el 1979, és la llibreria especialitzada més gran d’Europa. Un espai cultural de referència per ampliar el vostre coneixement del món.

Visit libreriaaltair.com

Key Findings

We analyzed Libreriaaltair.com page load time and found that the first response time was 274 ms and then it took 8.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

libreriaaltair.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value28.6 s

0/100

25%

SI (Speed Index)

Value17.8 s

0/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.09

92/100

15%

TTI (Time to Interactive)

Value32.5 s

0/100

10%

Network Requests Diagram

libreriaaltair.com

274 ms

libreriaaltair.com

436 ms

www.altairlibreria.com

450 ms

altair.es

307 ms

495 ms

Our browser made a total of 155 requests to load all elements on the main page. We found that 1% of them (2 requests) were addressed to the original Libreriaaltair.com, 45% (70 requests) were made to Altair.es and 13% (20 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (5.5 sec) relates to the external source Altair.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (20%)

Content Size

5.4 MB

After Optimization

4.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Libreriaaltair.com main page is 5.4 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 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 112.7 kB

  • Original 138.5 kB
  • After minification 105.5 kB
  • After compression 25.9 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 33.0 kB, which is 24% 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 112.7 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 15.8 kB

  • Original 3.6 MB
  • After minification 3.6 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. Libreriaaltair images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 387.6 kB

  • Original 1.0 MB
  • After minification 967.4 kB
  • After compression 618.8 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 387.6 kB or 39% of the original size.

CSS Optimization

-87%

Potential reduce by 554.4 kB

  • Original 637.3 kB
  • After minification 508.3 kB
  • After compression 82.9 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. Libreriaaltair.com needs all CSS files to be minified and compressed as it can save up to 554.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 70 (50%)

Requests Now

139

After Optimization

69

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 139 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libreriaaltair. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 59 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

libreriaaltair.com

libreriaaltair.com

274 ms

libreriaaltair.com

libreriaaltair.com

436 ms

www.altairlibreria.com

www.altairlibreria.com

450 ms

altair.es

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307 ms

495 ms

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110 ms

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62 ms

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5469 ms

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499 ms

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104 ms

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Accessibility Review

libreriaaltair.com accessibility score

78

Accessibility Issues

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

Buttons do not have an accessible name

High

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

libreriaaltair.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

libreriaaltair.com SEO score

81

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

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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

    CA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Libreriaaltair.com can be misinterpreted by Google and other search engines. Our service has detected that Catalan 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 Libreriaaltair.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

libreriaaltair.com

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