Tools & Wizards About Us
alvimcleantech.com screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 72

    SEO

    Google-friendlier than
    31% of websites

alvimcleantech.com

ALVIM Srl, Bacterial fouling detection and monitoring, biological fouling prevention

Page Load Speed

4.5 sec in total

First Response

352 ms

Resources Loaded

4 sec

Page Rendered

150 ms

alvimcleantech.com screenshot

About Website

Visit alvimcleantech.com now to see the best up-to-date ALVIM Cleantech content and also check out these interesting facts you probably never knew about alvimcleantech.com

Sensors for the detection and monitoring of bacteria on surfaces (biofilm), to check the effectiveness of biocide and sanitation treatments

Visit alvimcleantech.com

Key Findings

We analyzed Alvimcleantech.com page load time and found that the first response time was 352 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

alvimcleantech.com performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.128

82/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

alvimcleantech.com

352 ms

www.alvimcleantech.com

593 ms

225 ms

386 ms

font-awesome.css

133 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 93% of them (43 requests) were addressed to the original Alvimcleantech.com, 4% (2 requests) were made to Fonts.googleapis.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (808 ms) belongs to the original domain Alvimcleantech.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 109.3 kB (9%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alvimcleantech.com main page is 1.2 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. 30% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 31.6 kB

  • Original 39.1 kB
  • After minification 35.2 kB
  • After compression 7.5 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 31.6 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 67.9 kB

  • Original 1.0 MB
  • After minification 975.2 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. ALVIM Cleantech images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 755 B

  • Original 52.6 kB
  • After minification 52.6 kB
  • After compression 51.9 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

-16%

Potential reduce by 9.0 kB

  • Original 57.7 kB
  • After minification 57.7 kB
  • After compression 48.7 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. Alvimcleantech.com needs all CSS files to be minified and compressed as it can save up to 9.0 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (50%)

Requests Now

40

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ALVIM Cleantech. 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 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

alvimcleantech.com

alvimcleantech.com

352 ms

www.alvimcleantech.com

www.alvimcleantech.com

593 ms

225 ms

386 ms

font-awesome.css

font-awesome.css

133 ms

k2style.css

k2style.css

257 ms

joomla.css

joomla.css

352 ms

template.css

template.css

360 ms

style8.css

style8.css

362 ms

css

css

18 ms

css

css

31 ms

backtop.js

backtop.js

366 ms

bootstrap.min.css

bootstrap.min.css

489 ms

bootstrap-responsive.css

bootstrap-responsive.css

379 ms

style.css

style.css

472 ms

style.min.css

style.min.css

481 ms

favslider.css

favslider.css

482 ms

template.css

template.css

497 ms

redimstyle.css

redimstyle.css

504 ms

jquery.min.js

jquery.min.js

706 ms

jquery-noconflict.js

jquery-noconflict.js

601 ms

jquery-migrate.min.js

jquery-migrate.min.js

606 ms

bootstrap.min.js

bootstrap.min.js

614 ms

jquery.flexslider.js

jquery.flexslider.js

612 ms

jquery.mousewheel.js

jquery.mousewheel.js

625 ms

js

js

58 ms

en.gif

en.gif

121 ms

es.gif

es.gif

122 ms

fr_fr.gif

fr_fr.gif

123 ms

de.gif

de.gif

119 ms

it.gif

it.gif

119 ms

logo_ALVIM.jpg

logo_ALVIM.jpg

240 ms

slide1_biofilm_sem.jpg

slide1_biofilm_sem.jpg

514 ms

slide2_cleaning_effectiveness.jpg

slide2_cleaning_effectiveness.jpg

756 ms

slide3_alvim_biofilm_sensor.jpg

slide3_alvim_biofilm_sensor.jpg

522 ms

slide4_biofilm_monitoring.jpg

slide4_biofilm_monitoring.jpg

637 ms

slide5_biofilm_detection.jpg

slide5_biofilm_detection.jpg

637 ms

slide6_legionella_prevention.jpg

slide6_legionella_prevention.jpg

714 ms

212.jpg

212.jpg

631 ms

sprite-white.png

sprite-white.png

707 ms

questionmark.png

questionmark.png

719 ms

little_cookie.png

little_cookie.png

652 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

808 ms

contacts

contacts

113 ms

contacts

contacts

206 ms

bg_direction_nav.png

bg_direction_nav.png

124 ms

Accessibility Review

alvimcleantech.com accessibility score

71

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

alvimcleantech.com best practices score

58

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

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

alvimcleantech.com SEO score

72

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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alvimcleantech.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Alvimcleantech.com 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

alvimcleantech.com

Open Graph description is not detected on the main page of ALVIM Cleantech. 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: