Report Summary

  • 87

    Performance

    Renders faster than
    90% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

ledonline.it

Led on Line - Electronic Archive of Academic and Literary Texts

Page Load Speed

2.1 sec in total

First Response

320 ms

Resources Loaded

1.6 sec

Page Rendered

198 ms

ledonline.it screenshot

About Website

Click here to check amazing Led On Line content for Italy. Otherwise, check out these important facts you probably never knew about ledonline.it

Online publication in PDF format of academic and scientific texts in the Social sciences & Humanities: Classics, Literature, Linguistics, Philology, Philosophy, Psychology, History, Law, Economics, St...

Visit ledonline.it

Key Findings

We analyzed Ledonline.it page load time and found that the first response time was 320 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

ledonline.it performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

Network Requests Diagram

ledonline.it

320 ms

www.ledonline.it

425 ms

cookies.css

209 ms

jquery.js

516 ms

cookies.js

210 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Ledonline.it and no external sources were called. The less responsive or slowest element that took the longest time to load (516 ms) belongs to the original domain Ledonline.it.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.1 kB (74%)

Content Size

181.1 kB

After Optimization

47.9 kB

In fact, the total size of Ledonline.it main page is 181.1 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 10% of websites need less resources to load. Javascripts take 98.4 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 23.4 kB

  • Original 34.2 kB
  • After minification 33.0 kB
  • After compression 10.8 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 23.4 kB or 68% of the original size.

Image Optimization

-94%

Potential reduce by 44.9 kB

  • Original 47.7 kB
  • After minification 2.8 kB

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. Obviously, Led On Line needs image optimization as it can save up to 44.9 kB or 94% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 64.4 kB

  • Original 98.4 kB
  • After minification 97.9 kB
  • After compression 34.0 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 64.4 kB or 65% of the original size.

CSS Optimization

-58%

Potential reduce by 425 B

  • Original 738 B
  • After minification 567 B
  • After compression 313 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. Ledonline.it needs all CSS files to be minified and compressed as it can save up to 425 B or 58% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Led On Line. According to our analytics all requests are already optimized.

Accessibility Review

ledonline.it accessibility score

91

Accessibility Issues

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

ledonline.it best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ledonline.it SEO score

69

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

Language and Encoding

  • Language Detected

    IT

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ledonline.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 Ledonline.it 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 Led On Line. 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: