Tools & Wizards About Us
spiro.ch screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

spiro.ch

SPIRO INTERNATIONAL SA - world leader in the development and manufacture of machines for the production of round ducting and fittings in sheet metal, ...

Page Load Speed

2.6 sec in total

First Response

410 ms

Resources Loaded

2 sec

Page Rendered

277 ms

spiro.ch screenshot

About Website

Welcome to spiro.ch homepage info - get ready to check SPIRO best content right away, or after learning these important things about spiro.ch

Todays undisputed world leader in the development and manufacture of machines for the production of round ducting and fittings in sheet metal, mainly for the ventilation industry. Spiro is also a lead...

Visit spiro.ch

Key Findings

We analyzed Spiro.ch page load time and found that the first response time was 410 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

spiro.ch performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.439

21/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

spiro.ch

410 ms

spiro.ch

421 ms

bootstrap.min.css

194 ms

owl.theme.css

287 ms

owl.carousel.css

287 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 86% of them (42 requests) were addressed to the original Spiro.ch, 4% (2 requests) were made to Vr2.verticalresponse.com and 4% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (667 ms) belongs to the original domain Spiro.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.2 kB (6%)

Content Size

749.8 kB

After Optimization

703.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Spiro.ch main page is 749.8 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. 30% of websites need less resources to load. Javascripts take 477.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 20.7 kB

  • Original 27.1 kB
  • After minification 23.7 kB
  • After compression 6.4 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. This page needs HTML code to be minified as it can gain 3.3 kB, which is 12% 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 20.7 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 5.6 kB

  • Original 205.4 kB
  • After minification 199.8 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. SPIRO images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 15.2 kB

  • Original 477.1 kB
  • After minification 473.5 kB
  • After compression 461.9 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

-12%

Potential reduce by 4.7 kB

  • Original 40.3 kB
  • After minification 40.3 kB
  • After compression 35.6 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. Spiro.ch needs all CSS files to be minified and compressed as it can save up to 4.7 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 28 (67%)

Requests Now

42

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SPIRO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

spiro.ch

spiro.ch

410 ms

spiro.ch

spiro.ch

421 ms

bootstrap.min.css

bootstrap.min.css

194 ms

owl.theme.css

owl.theme.css

287 ms

owl.carousel.css

owl.carousel.css

287 ms

templates.css

templates.css

384 ms

lightgallery.css

lightgallery.css

288 ms

jquery-1.12.4.min.js

jquery-1.12.4.min.js

25 ms

lazysizes.min.js

lazysizes.min.js

289 ms

jquery.sticky.js

jquery.sticky.js

289 ms

shaka-player.compiled.js

shaka-player.compiled.js

579 ms

shaka_init.js

shaka_init.js

382 ms

signup_forms.embedded-2.js

signup_forms.embedded-2.js

95 ms

signup_forms.embedded-2.css

signup_forms.embedded-2.css

114 ms

api.js

api.js

36 ms

js

js

94 ms

bootstrap.min.js

bootstrap.min.js

470 ms

scripts.js

scripts.js

470 ms

owl.carousel.min.js

owl.carousel.min.js

471 ms

gallery.js

gallery.js

481 ms

isotope.pkgd.min.js

isotope.pkgd.min.js

480 ms

api.js

api.js

57 ms

logo.png

logo.png

110 ms

icon-search.png

icon-search.png

110 ms

icon-close.png

icon-close.png

109 ms

video_11.jpg

video_11.jpg

420 ms

box_2189.png

box_2189.png

135 ms

box_2190.png

box_2190.png

191 ms

box_2191.png

box_2191.png

192 ms

box_2187.jpg

box_2187.jpg

289 ms

box_2197.png

box_2197.png

231 ms

icon-arrow-right-white2.png

icon-arrow-right-white2.png

234 ms

box_2198.png

box_2198.png

285 ms

box_2199.png

box_2199.png

286 ms

box_1892.png

box_1892.png

326 ms

icon-arrow-right-blue.png

icon-arrow-right-blue.png

328 ms

box_1893.png

box_1893.png

381 ms

box_1894.png

box_1894.png

382 ms

facebook.png

facebook.png

384 ms

youtube.png

youtube.png

422 ms

instagram.png

instagram.png

424 ms

linkedin.png

linkedin.png

477 ms

newsletter-icon-footer.svg

newsletter-icon-footer.svg

476 ms

IBMPlexSans-Light.woff

IBMPlexSans-Light.woff

576 ms

IBMPlexSans.woff

IBMPlexSans.woff

610 ms

IBMPlexSans-Medium.woff

IBMPlexSans-Medium.woff

615 ms

IBMPlexSans-SemiBold.woff

IBMPlexSans-SemiBold.woff

622 ms

IBMPlexSans-Bold.woff

IBMPlexSans-Bold.woff

667 ms

recaptcha__en.js

recaptcha__en.js

21 ms

Accessibility Review

spiro.ch accessibility score

83

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.

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

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

spiro.ch best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

spiro.ch SEO score

89

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

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 Spiro.ch 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 Spiro.ch 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

spiro.ch

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