Tools & Wizards About Us
libreriaefesto.com screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

libreriaefesto.com

Libreria Efesto

Page Load Speed

9.6 sec in total

First Response

356 ms

Resources Loaded

7.5 sec

Page Rendered

1.8 sec

libreriaefesto.com screenshot

About Website

Welcome to libreriaefesto.com homepage info - get ready to check Libreria Efesto best content right away, or after learning these important things about libreriaefesto.com

La libreria Efesto nasce con l'intenzione di diventare un punto di riferimento culturale per coloro che per studio o per lavoro si occupano di materie scientifiche e tecniche.

Visit libreriaefesto.com

Key Findings

We analyzed Libreriaefesto.com page load time and found that the first response time was 356 ms and then it took 9.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

libreriaefesto.com performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value9.9 s

9/100

10%

TBT (Total Blocking Time)

Value2,530 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.522

15/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

Network Requests Diagram

libreriaefesto.com

356 ms

www.libreriaefesto.com

1088 ms

css

45 ms

theme.css

268 ms

font-awesome.min.css

374 ms

Our browser made a total of 189 requests to load all elements on the main page. We found that 81% of them (154 requests) were addressed to the original Libreriaefesto.com, 6% (11 requests) were made to Fonts.gstatic.com and 4% (8 requests) were made to Lh3.googleusercontent.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Libreriaefesto.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 191.2 kB (2%)

Content Size

8.7 MB

After Optimization

8.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Libreriaefesto.com main page is 8.7 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. 70% of websites need less resources to load. Images take 8.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 112.1 kB

  • Original 133.2 kB
  • After minification 105.1 kB
  • After compression 21.2 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 28.2 kB, which is 21% 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 112.1 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 39.1 kB

  • Original 8.0 MB
  • After minification 8.0 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. Libreria Efesto images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 310 B

  • Original 433.5 kB
  • After minification 433.5 kB
  • After compression 433.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-46%

Potential reduce by 39.7 kB

  • Original 87.0 kB
  • After minification 53.3 kB
  • After compression 47.3 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. Libreriaefesto.com needs all CSS files to be minified and compressed as it can save up to 39.7 kB or 46% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (19%)

Requests Now

171

After Optimization

139

  • Images
  • JavaScript
  • CSS

The browser has sent 171 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libreria Efesto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

libreriaefesto.com

libreriaefesto.com

356 ms

www.libreriaefesto.com

www.libreriaefesto.com

1088 ms

css

css

45 ms

theme.css

theme.css

268 ms

font-awesome.min.css

font-awesome.min.css

374 ms

owl.carousel.css

owl.carousel.css

383 ms

owl.theme.css

owl.theme.css

400 ms

owl.transitions.css

owl.transitions.css

389 ms

front.css

front.css

401 ms

paypal_fo.css

paypal_fo.css

411 ms

ps_searchbar.css

ps_searchbar.css

515 ms

htthemeloader.css

htthemeloader.css

516 ms

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font-awesome.min.css

532 ms

productcomments.css

productcomments.css

549 ms

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556 ms

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547 ms

ht_staticblocks.css

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671 ms

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692 ms

custom.css

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694 ms

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788 ms

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146 ms

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39 ms

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46 ms

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85 ms

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102 ms

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382 ms

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1555 ms

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34 ms

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148 ms

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Accessibility Review

libreriaefesto.com accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

libreriaefesto.com best practices score

58

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

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

Missing source maps for large first-party JavaScript

SEO Factors

libreriaefesto.com SEO score

82

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

    IT

  • Language Claimed

    IT

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Libreriaefesto.com can be misinterpreted by Google and other search engines. Our service has detected that Italian is used on the page, and it matches the claimed language. Our system also found out that Libreriaefesto.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

libreriaefesto.com

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