Tools & Wizards About Us
arcosub.com screenshot

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

arcosub.com

˜ ARCO SUB - LAGO DI GARDA SCUOLA SUBACQUEA CENTRO IMMERSIONI DIVING CENTER TORBOLE DIVE PADI

Page Load Speed

3.5 sec in total

First Response

379 ms

Resources Loaded

3 sec

Page Rendered

105 ms

arcosub.com screenshot

About Website

Click here to check amazing ARCO SUB content. Otherwise, check out these important facts you probably never knew about arcosub.com

Scuola Subacquea Lago di Garda, centro PADI, diving center, immersioni, torbole, arco, riva, scuole dive, mares, fips, athos, gruppo sommozzatori, rane nere, noleggio, vendita, corsi, italia, lezioni,...

Visit arcosub.com

Key Findings

We analyzed Arcosub.com page load time and found that the first response time was 379 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

arcosub.com performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

arcosub.com

379 ms

www.arcosub.com

449 ms

style.css

213 ms

top-provv..jpg

316 ms

centro-1.gif

217 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that 98% of them (110 requests) were addressed to the original Arcosub.com, 1% (1 request) were made to Codice.shinystat.it and 1% (1 request) were made to S1.shinystat.com. The less responsive or slowest element that took the longest time to load (786 ms) belongs to the original domain Arcosub.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.9 kB (14%)

Content Size

146.9 kB

After Optimization

127.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Arcosub.com main page is 146.9 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. 15% of websites need less resources to load. Images take 123.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 14.9 kB

  • Original 18.1 kB
  • After minification 16.1 kB
  • After compression 3.2 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 2.0 kB, which is 11% 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 14.9 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 1.6 kB

  • Original 123.1 kB
  • After minification 121.6 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. ARCO SUB 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.

CSS Optimization

-12%

Potential reduce by 12 B

  • Original 99 B
  • After minification 87 B
  • After compression 87 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. Arcosub.com needs all CSS files to be minified and compressed as it can save up to 12 B or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (45%)

Requests Now

108

After Optimization

59

  • Images
  • JavaScript
  • CSS

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ARCO SUB. 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

arcosub.com

arcosub.com

379 ms

www.arcosub.com

www.arcosub.com

449 ms

style.css

style.css

213 ms

top-provv..jpg

top-provv..jpg

316 ms

centro-1.gif

centro-1.gif

217 ms

CORSI-1.gif

CORSI-1.gif

218 ms

DOVE-SIAMO1.gif

DOVE-SIAMO1.gif

221 ms

ATTIVITA1.gif

ATTIVITA1.gif

218 ms

FOTO-1.gif

FOTO-1.gif

328 ms

HOTEL-1.gif

HOTEL-1.gif

324 ms

STAFF-1.gif

STAFF-1.gif

325 ms

SPOTS1.gif

SPOTS1.gif

328 ms

LINKS-1.gif

LINKS-1.gif

325 ms

CONTATTI-1.gif

CONTATTI-1.gif

425 ms

sfondo-index_01.jpg

sfondo-index_01.jpg

438 ms

sfondo-index_02.jpg

sfondo-index_02.jpg

440 ms

sfondo-index_03.jpg

sfondo-index_03.jpg

439 ms

sfondo-index_04.jpg

sfondo-index_04.jpg

441 ms

sfondo-index_05.jpg

sfondo-index_05.jpg

442 ms

sfondo-index_06.jpg

sfondo-index_06.jpg

534 ms

sfondo-index_07.jpg

sfondo-index_07.jpg

549 ms

sfondo-index_08.jpg

sfondo-index_08.jpg

551 ms

sfondo-index_09.jpg

sfondo-index_09.jpg

550 ms

sfondo-index_10.jpg

sfondo-index_10.jpg

553 ms

sfondo-index_11.jpg

sfondo-index_11.jpg

554 ms

sfondo-index_12.jpg

sfondo-index_12.jpg

643 ms

sfondo-index_13.jpg

sfondo-index_13.jpg

659 ms

sfondo-index_14.jpg

sfondo-index_14.jpg

658 ms

sfondo-index_15.jpg

sfondo-index_15.jpg

662 ms

sfondo-index_16.jpg

sfondo-index_16.jpg

661 ms

sfondo-index_17.jpg

sfondo-index_17.jpg

664 ms

sfondo-index_18.jpg

sfondo-index_18.jpg

752 ms

sfondo-index_19.jpg

sfondo-index_19.jpg

771 ms

sfondo-index_20.jpg

sfondo-index_20.jpg

767 ms

sfondo-index_21.jpg

sfondo-index_21.jpg

769 ms

sfondo-index_22.jpg

sfondo-index_22.jpg

772 ms

sfondo-index_23.jpg

sfondo-index_23.jpg

775 ms

getcod.cgi

getcod.cgi

310 ms

sfondo-index_24.jpg

sfondo-index_24.jpg

786 ms

sfondo-index_25.jpg

sfondo-index_25.jpg

682 ms

sfondo-index_26.jpg

sfondo-index_26.jpg

677 ms

sfondo-index_27.jpg

sfondo-index_27.jpg

670 ms

sfondo-index_28.jpg

sfondo-index_28.jpg

672 ms

sfondo-index_29.jpg

sfondo-index_29.jpg

673 ms

sfondo-index_30.jpg

sfondo-index_30.jpg

682 ms

sfondo-index_31.jpg

sfondo-index_31.jpg

678 ms

sfondo-index_32.jpg

sfondo-index_32.jpg

672 ms

sfondo-index_33.jpg

sfondo-index_33.jpg

673 ms

sfondo-index_34.jpg

sfondo-index_34.jpg

674 ms

sfondo-index_35.jpg

sfondo-index_35.jpg

677 ms

shinystat.cgi

shinystat.cgi

320 ms

sfondo-index_36.jpg

sfondo-index_36.jpg

683 ms

sfondo-index_37.jpg

sfondo-index_37.jpg

674 ms

sfondo-index_38.jpg

sfondo-index_38.jpg

674 ms

sfondo-index_39.jpg

sfondo-index_39.jpg

673 ms

sfondo-index_40.jpg

sfondo-index_40.jpg

667 ms

sfondo-index_41.jpg

sfondo-index_41.jpg

673 ms

sfondo-index_42.jpg

sfondo-index_42.jpg

684 ms

sfondo-index_43.jpg

sfondo-index_43.jpg

670 ms

sfondo-index_44.jpg

sfondo-index_44.jpg

672 ms

sfondo-index_45.jpg

sfondo-index_45.jpg

667 ms

sfondo-index_46.jpg

sfondo-index_46.jpg

671 ms

sfondo-index_47.jpg

sfondo-index_47.jpg

671 ms

sfondo-index_48.jpg

sfondo-index_48.jpg

683 ms

sfondo-index_49.jpg

sfondo-index_49.jpg

668 ms

sfondo-index_50.jpg

sfondo-index_50.jpg

666 ms

sfondo-index_51.jpg

sfondo-index_51.jpg

666 ms

sfondo-index_52.jpg

sfondo-index_52.jpg

666 ms

sfondo-index_53.jpg

sfondo-index_53.jpg

666 ms

sfondo-index_54.jpg

sfondo-index_54.jpg

685 ms

sfondo-index_55.jpg

sfondo-index_55.jpg

670 ms

sfondo-index_56.jpg

sfondo-index_56.jpg

668 ms

sfondo-index_57.jpg

sfondo-index_57.jpg

666 ms

sfondo-index_58.jpg

sfondo-index_58.jpg

667 ms

sfondo-index_59.jpg

sfondo-index_59.jpg

666 ms

sfondo-index_60.jpg

sfondo-index_60.jpg

676 ms

sfondo-index_61.jpg

sfondo-index_61.jpg

668 ms

sfondo-index_62.jpg

sfondo-index_62.jpg

666 ms

sfondo-index_63.jpg

sfondo-index_63.jpg

667 ms

sfondo-index_64.jpg

sfondo-index_64.jpg

665 ms

sfondo-index_65.jpg

sfondo-index_65.jpg

667 ms

sfondo-index_66.jpg

sfondo-index_66.jpg

671 ms

sfondo-index_67.jpg

sfondo-index_67.jpg

671 ms

sfondo-index_68.jpg

sfondo-index_68.jpg

671 ms

sfondo-index_69.jpg

sfondo-index_69.jpg

666 ms

sfondo-index_70.jpg

sfondo-index_70.jpg

668 ms

sfondo-index_71.jpg

sfondo-index_71.jpg

669 ms

sfondo-index_73.jpg

sfondo-index_73.jpg

673 ms

sfondo-index_74.jpg

sfondo-index_74.jpg

666 ms

sfondo-index_75.jpg

sfondo-index_75.jpg

663 ms

sfondo-index_76.jpg

sfondo-index_76.jpg

663 ms

sfondo-index_77.jpg

sfondo-index_77.jpg

664 ms

sfondo-index_78.jpg

sfondo-index_78.jpg

664 ms

sfondo-index_79.jpg

sfondo-index_79.jpg

672 ms

sfondo-index_80.jpg

sfondo-index_80.jpg

665 ms

germany%20band.gif

germany%20band.gif

668 ms

BAND-ENGL..jpg

BAND-ENGL..jpg

661 ms

sfondo-index_72.jpg

sfondo-index_72.jpg

663 ms

sfondo-index_81.jpg

sfondo-index_81.jpg

664 ms

3X-logo.gif

3X-logo.gif

668 ms

links-2.jpg

links-2.jpg

116 ms

contatti-2.jpg

contatti-2.jpg

111 ms

DOVE-SIAMO-2.gif

DOVE-SIAMO-2.gif

113 ms

ATTIVITA2.gif

ATTIVITA2.gif

116 ms

FOTO2.gif

FOTO2.gif

116 ms

SPOTS2.gif

SPOTS2.gif

116 ms

LINKS-2.gif

LINKS-2.gif

222 ms

CONTATTI-2.gif

CONTATTI-2.gif

219 ms

STAFF-2.gif

STAFF-2.gif

223 ms

HOTEL2.gif

HOTEL2.gif

221 ms

centro2.gif

centro2.gif

221 ms

CORSI-2.gif

CORSI-2.gif

219 ms

Accessibility Review

arcosub.com accessibility score

61

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

Links do not have a discernible name

Best Practices

arcosub.com 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

arcosub.com 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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Arcosub.com 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 Arcosub.com main page’s claimed encoding is iso-8859-1. 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

arcosub.com

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