Tools & Wizards About Us
jacabook.it screenshot

Report Summary

  • 0

    Performance

  • 33

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

jacabook.it

JACA BOOK - Libri on-line - Saggistica, Art books, Educational, Letteratura

Page Load Speed

3.2 sec in total

First Response

429 ms

Resources Loaded

2.6 sec

Page Rendered

177 ms

jacabook.it screenshot

About Website

Click here to check amazing JACA BOOK content for Italy. Otherwise, check out these important facts you probably never knew about jacabook.it

Editoriale Jaca Book, Milano. Ha iniziato le sue pubblicazioni nel 1966. In catalogo circa 3.500 titoli nei diversi campi, realizza coedizioni internazionali. Liberia aperta al pubblico. I Dipartiment...

Visit jacabook.it

Key Findings

We analyzed Jacabook.it page load time and found that the first response time was 429 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

jacabook.it performance score

0

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

Network Requests Diagram

jacabook.it

429 ms

kvxp.js

1402 ms

top-n.htm

128 ms

SX-N.htm

235 ms

MAIN-N.htm

336 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 94% of them (16 requests) were addressed to the original Jacabook.it, 6% (1 request) were made to Hdsconsultores.net. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Hdsconsultores.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 4.2 kB (63%)

Content Size

6.6 kB

After Optimization

2.5 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Jacabook.it main page is 6.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 3.8 kB which makes up the majority of the site volume.

HTML Optimization

-54%

Potential reduce by 2.0 kB

  • Original 3.8 kB
  • After minification 3.7 kB
  • After compression 1.7 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 2.0 kB or 54% of the original size.

JavaScript Optimization

-32%

Potential reduce by 149 B

  • Original 467 B
  • After minification 467 B
  • After compression 318 B

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 149 B or 32% of the original size.

CSS Optimization

-83%

Potential reduce by 2.0 kB

  • Original 2.4 kB
  • After minification 1.7 kB
  • After compression 421 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. Jacabook.it needs all CSS files to be minified and compressed as it can save up to 2.0 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JACA BOOK. According to our analytics all requests are already optimized.

Network Requests Diagram

jacabook.it

jacabook.it

429 ms

kvxp.js

kvxp.js

1402 ms

top-n.htm

top-n.htm

128 ms

SX-N.htm

SX-N.htm

235 ms

MAIN-N.htm

MAIN-N.htm

336 ms

ricerche-n.gif

ricerche-n.gif

231 ms

logo-bor.GIF

logo-bor.GIF

226 ms

english-n.gif

english-n.gif

229 ms

acquisti-ita.GIF

acquisti-ita.GIF

244 ms

fondo-.GIF

fondo-.GIF

137 ms

barra-bianca.GIF

barra-bianca.GIF

215 ms

menu-nuovo2.gif

menu-nuovo2.gif

330 ms

cssmenuhorizontal.css

cssmenuhorizontal.css

219 ms

fondo-.gif

fondo-.gif

107 ms

novita-febb.gif

novita-febb.gif

444 ms

eventi.gif

eventi.gif

124 ms

face.gif

face.gif

124 ms

Accessibility Review

jacabook.it accessibility score

33

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

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

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

jacabook.it 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

SEO Factors

jacabook.it SEO score

73

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    IT

  • Language Claimed

    N/A

  • Encoding

    N/A

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

jacabook.it

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