Access subcentertanka.com. Sub Center Villasimius - Diving Center & Snorkeling - Sardegna

Report Summary

About Website

Welcome to subcentertanka.com homepage info - get ready to check Sub Center Tanka best content right away, or after learning these important things about subcentertanka.com

Offriamo corsi subacquei per principianti ed esperti, immersioni giornaliere, prove gratuite in piscina, snorkeling tour, corsi subacquei per bambini.

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name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value15.9 s

0/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.035

100/100

15%

TTI (Time to Interactive)

Value24.6 s

0/100

10%

subcentertanka.com

348 ms

www.subcentertanka.com

357 ms

bootstrap.min.css

225 ms

style.css

340 ms

layout_style.css

349 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 54% of them (20 requests) were addressed to the original Subcentertanka.com, 38% (14 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Subcentertanka.com.

Content Size

7.5 MB

After Optimization

6.2 MB

In fact, the total size of Subcentertanka.com main page is 7.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 7.3 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 8.6 kB

Original 11.3 kB
After minification 10.2 kB
After compression 2.7 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 8.6 kB or 76% of the original size.

Image Optimization

-17%

Potential reduce by 1.3 MB

Original 7.3 MB
After minification 6.1 MB

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, Sub Center Tanka needs image optimization as it can save up to 1.3 MB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 762 B

Original 57.7 kB
After minification 57.7 kB
After compression 57.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-4%

Potential reduce by 2.5 kB

Original 59.6 kB
After minification 59.6 kB
After compression 57.1 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. Subcentertanka.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sub Center Tanka. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

High

Document uses legible font sizes

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 Subcentertanka.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 Subcentertanka.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

subcentertanka.com

Open Graph data is detected on the main page of Sub Center Tanka. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

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Performance

Accessibility

Best Practices

SEO

Sub Center Villasimius - Diving Center & Snorkeling - Sardegna - Cagliari

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)