Tools & Wizards About Us
tervis.it screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

tervis.it

TERVIS electronics sistemi di sicurezza anti intrusione. | Antifurto | Italia

Page Load Speed

2 sec in total

First Response

163 ms

Resources Loaded

1.8 sec

Page Rendered

81 ms

tervis.it screenshot

About Website

Click here to check amazing TERVIS content. Otherwise, check out these important facts you probably never knew about tervis.it

Tervis Sistemi antifurto per la sicurezza di qualunque bene immobile. Dal 1974 vendita attraverso gli Installatori.

Visit tervis.it

Key Findings

We analyzed Tervis.it page load time and found that the first response time was 163 ms and then it took 1.9 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

tervis.it performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

13/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value13.7 s

10/100

10%

Network Requests Diagram

www.tervis.it

163 ms

minified.js

46 ms

focus-within-polyfill.js

44 ms

polyfill.min.js

943 ms

thunderbolt-commons.d9eb8f0e.bundle.min.js

90 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Tervis.it, 54% (13 requests) were made to Static.parastorage.com and 25% (6 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (943 ms) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 245.9 kB (42%)

Content Size

586.4 kB

After Optimization

340.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Tervis.it main page is 586.4 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. 40% of websites need less resources to load. HTML takes 328.7 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 242.2 kB

  • Original 328.7 kB
  • After minification 327.0 kB
  • After compression 86.4 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 242.2 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 5.9 kB
  • After minification 5.9 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. TERVIS images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.6 kB

  • Original 251.8 kB
  • After minification 251.8 kB
  • After compression 248.2 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 11 (65%)

Requests Now

17

After Optimization

6

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TERVIS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.tervis.it

www.tervis.it

163 ms

minified.js

minified.js

46 ms

focus-within-polyfill.js

focus-within-polyfill.js

44 ms

polyfill.min.js

polyfill.min.js

943 ms

thunderbolt-commons.d9eb8f0e.bundle.min.js

thunderbolt-commons.d9eb8f0e.bundle.min.js

90 ms

main.f8d4792f.bundle.min.js

main.f8d4792f.bundle.min.js

85 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

83 ms

lodash.min.js

lodash.min.js

87 ms

react.production.min.js

react.production.min.js

84 ms

react-dom.production.min.js

react-dom.production.min.js

86 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

87 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

88 ms

TERVIS_HD.png

TERVIS_HD.png

209 ms

bundle.min.js

bundle.min.js

52 ms

152 ms

147 ms

144 ms

144 ms

139 ms

138 ms

deprecation-en.v5.html

deprecation-en.v5.html

6 ms

bolt-performance

bolt-performance

48 ms

deprecation-style.v5.css

deprecation-style.v5.css

10 ms

right-arrow.svg

right-arrow.svg

6 ms

Accessibility Review

tervis.it accessibility score

88

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

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.

Best Practices

tervis.it best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

tervis.it SEO score

100

Search Engine Optimization Advices

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    IT

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tervis.it can be misinterpreted by Google and other search engines. Our service has detected that Italian is used on the page, and it does not match the claimed English language. Our system also found out that Tervis.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

tervis.it

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