Tools & Wizards About Us
bibliolab.it screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

bibliolab.it

Bibliolab

Page Load Speed

2.4 sec in total

First Response

318 ms

Resources Loaded

2 sec

Page Rendered

91 ms

bibliolab.it screenshot

About Website

Welcome to bibliolab.it homepage info - get ready to check Bibliolab best content for Italy right away, or after learning these important things about bibliolab.it

Bibliolab: la biblioteca specializzata per ragazzi di una rete di scuole astigiane, rivolta a docenti, studenti e a tutti gli interessati. Sono attivi Laboratori di lettura, di storia, dell'acqua. Il ...

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Key Findings

We analyzed Bibliolab.it page load time and found that the first response time was 318 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

bibliolab.it performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

94/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

bibliolab.it

318 ms

www.bibliolab.it

328 ms

getcod.cgi

390 ms

cerca345.gif

119 ms

filalibri.gif

216 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 88% of them (14 requests) were addressed to the original Bibliolab.it, 6% (1 request) were made to Codice.shinystat.it and 6% (1 request) were made to S1.shinystat.com. The less responsive or slowest element that took the longest time to load (926 ms) relates to the external source S1.shinystat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.0 kB (74%)

Content Size

18.9 kB

After Optimization

4.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Bibliolab.it main page is 18.9 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. HTML takes 12.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 10.5 kB

  • Original 12.7 kB
  • After minification 7.4 kB
  • After compression 2.2 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 5.3 kB, which is 42% 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 10.5 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 1 B

  • Original 615 B
  • After minification 614 B

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. Bibliolab images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 3.4 kB

  • Original 5.6 kB
  • After minification 5.4 kB
  • After compression 2.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 3.4 kB or 62% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (36%)

Requests Now

14

After Optimization

9

  • Images
  • JavaScript

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bibliolab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

bibliolab.it

bibliolab.it

318 ms

www.bibliolab.it

www.bibliolab.it

328 ms

getcod.cgi

getcod.cgi

390 ms

cerca345.gif

cerca345.gif

119 ms

filalibri.gif

filalibri.gif

216 ms

novita15.gif

novita15.gif

220 ms

kids.gif

kids.gif

217 ms

giochimini.gif

giochimini.gif

222 ms

macchina.gif

macchina.gif

220 ms

bibliopace.gif

bibliopace.gif

223 ms

mondo.gif

mondo.gif

319 ms

bimbo.gif

bimbo.gif

320 ms

flask211.gif

flask211.gif

333 ms

libro1.gif

libro1.gif

330 ms

mail26.gif

mail26.gif

326 ms

shinystat.cgi

shinystat.cgi

926 ms

Accessibility Review

bibliolab.it accessibility score

54

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

bibliolab.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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

bibliolab.it SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    IT

  • Language Claimed

    IT

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bibliolab.it 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 Bibliolab.it main page’s claimed encoding is windows-1252. 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

bibliolab.it

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