Tools & Wizards About Us
elv-akt.net screenshot

Report Summary

  • 82

    Performance

    Renders faster than
    87% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

elv-akt.net

ELV-AKT : archives de l'École Lvov-Varsovie | Archiwum Kazimierza Twardowskiego

Page Load Speed

2 sec in total

First Response

402 ms

Resources Loaded

1.4 sec

Page Rendered

215 ms

elv-akt.net screenshot

About Website

Click here to check amazing ELV AKT content. Otherwise, check out these important facts you probably never knew about elv-akt.net

Elv-akt.net est le site des Archives de l’école de Lvov-Varsovie (Archiwum Kazimierza Twardowskiego). A la fois bibliothèque numérique donnant accès aux manuscrits de Kazimierz Twardowski et des philo...

Visit elv-akt.net

Key Findings

We analyzed Elv-akt.net page load time and found that the first response time was 402 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

elv-akt.net performance score

82

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

elv-akt.net

402 ms

www.elv-akt.net

412 ms

balises.css

96 ms

id.css

185 ms

infobulle.css

181 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 93% of them (26 requests) were addressed to the original Elv-akt.net, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (412 ms) belongs to the original domain Elv-akt.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.3 kB (28%)

Content Size

76.6 kB

After Optimization

55.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Elv-akt.net main page is 76.6 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. 15% of websites need less resources to load. Images take 37.4 kB which makes up the majority of the site volume.

HTML Optimization

-65%

Potential reduce by 7.3 kB

  • Original 11.2 kB
  • After minification 10.6 kB
  • After compression 3.9 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. 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 7.3 kB or 65% of the original size.

Image Optimization

-16%

Potential reduce by 6.0 kB

  • Original 37.4 kB
  • After minification 31.5 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, ELV AKT needs image optimization as it can save up to 6.0 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-6%

Potential reduce by 1.1 kB

  • Original 18.6 kB
  • After minification 17.8 kB
  • After compression 17.5 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

-74%

Potential reduce by 6.9 kB

  • Original 9.3 kB
  • After minification 7.2 kB
  • After compression 2.4 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. Elv-akt.net needs all CSS files to be minified and compressed as it can save up to 6.9 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (45%)

Requests Now

20

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ELV AKT. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

elv-akt.net

elv-akt.net

402 ms

www.elv-akt.net

www.elv-akt.net

412 ms

balises.css

balises.css

96 ms

id.css

id.css

185 ms

infobulle.css

infobulle.css

181 ms

classes.css

classes.css

186 ms

header.css

header.css

188 ms

gopage.js

gopage.js

189 ms

montrer.js

montrer.js

191 ms

ga.js

ga.js

5 ms

fond.png

fond.png

95 ms

__utm.gif

__utm.gif

12 ms

banniere.jpg

banniere.jpg

277 ms

logo_on.png

logo_on.png

97 ms

vide.gif

vide.gif

96 ms

bck_butt_pres.png

bck_butt_pres.png

93 ms

bck_butt_arch.png

bck_butt_arch.png

94 ms

bck_butt_rech.png

bck_butt_rech.png

180 ms

bck_butt_actu.png

bck_butt_actu.png

183 ms

bck_butt_cont.png

bck_butt_cont.png

184 ms

en.png

en.png

188 ms

fr.png

fr.png

187 ms

pl.png

pl.png

274 ms

alerte.png

alerte.png

277 ms

vilna_2008_58.jpg

vilna_2008_58.jpg

281 ms

rubon2.png

rubon2.png

280 ms

gt.gif

gt.gif

280 ms

liste.png

liste.png

366 ms

Accessibility Review

elv-akt.net accessibility score

51

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

elv-akt.net best practices score

67

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

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

elv-akt.net 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

    FR

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Elv-akt.net can be misinterpreted by Google and other search engines. Our service has detected that French 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 Elv-akt.net 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

elv-akt.net

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