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4-b.ch screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

4-b.ch

Der Schweizer Experte für Fenster und Fassaden seit 1896 - 4B

Page Load Speed

6.3 sec in total

First Response

429 ms

Resources Loaded

5.2 sec

Page Rendered

656 ms

4-b.ch screenshot

About Website

Click here to check amazing 4B content for Switzerland. Otherwise, check out these important facts you probably never knew about 4-b.ch

4B ist das national führende und regional agierende Unternehmen. Der Schweizer Experte für Fenster und Fassaden

Visit 4-b.ch

Key Findings

We analyzed 4-b.ch page load time and found that the first response time was 429 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

4-b.ch performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value13.4 s

0/100

25%

SI (Speed Index)

Value17.9 s

0/100

10%

TBT (Total Blocking Time)

Value3,360 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value27.7 s

0/100

10%

Network Requests Diagram

4-b.ch

429 ms

956 ms

jquery.js

318 ms

zl-multine-files.js

331 ms

workflow.bundle.js

330 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 69% of them (53 requests) were addressed to the original 4-b.ch, 18% (14 requests) were made to I0.wp.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain 4-b.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 571.7 kB (29%)

Content Size

2.0 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of 4-b.ch main page is 2.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 558.7 kB

  • Original 674.0 kB
  • After minification 657.9 kB
  • After compression 115.3 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 558.7 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.0 MB
  • After minification 1.0 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. 4B images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 12.9 kB

  • Original 235.6 kB
  • After minification 235.6 kB
  • After compression 222.6 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 55 (76%)

Requests Now

72

After Optimization

17

  • Images
  • JavaScript

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4B. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 56 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

4-b.ch

4-b.ch

429 ms

956 ms

jquery.js

jquery.js

318 ms

zl-multine-files.js

zl-multine-files.js

331 ms

workflow.bundle.js

workflow.bundle.js

330 ms

utils.min.js

utils.min.js

329 ms

moxie.min.js

moxie.min.js

435 ms

plupload.min.js

plupload.min.js

332 ms

jquery.overlayscrollbars.min.js

jquery.overlayscrollbars.min.js

435 ms

jstree.min.js

jstree.min.js

556 ms

jquery.ui.touch-punch.min.js

jquery.ui.touch-punch.min.js

433 ms

main-52347bd29c.js

main-52347bd29c.js

933 ms

js

js

52 ms

teads-fellow.js

teads-fellow.js

24 ms

photon.min.js

photon.min.js

360 ms

intlTelInput.min.js

intlTelInput.min.js

454 ms

countrySelect.min.js

countrySelect.min.js

453 ms

underscore.min.js

underscore.min.js

568 ms

shortcode.min.js

shortcode.min.js

567 ms

backbone.min.js

backbone.min.js

623 ms

wp-util.min.js

wp-util.min.js

624 ms

wp-backbone.min.js

wp-backbone.min.js

623 ms

media-models.min.js

media-models.min.js

623 ms

wp-plupload.min.js

wp-plupload.min.js

638 ms

core.min.js

core.min.js

770 ms

mouse.min.js

mouse.min.js

761 ms

sortable.min.js

sortable.min.js

752 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

872 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

762 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

856 ms

api-request.min.js

api-request.min.js

868 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

869 ms

wp-polyfill.min.js

wp-polyfill.min.js

883 ms

dom-ready.min.js

dom-ready.min.js

948 ms

hooks.min.js

hooks.min.js

961 ms

i18n.min.js

i18n.min.js

974 ms

a11y.min.js

a11y.min.js

975 ms

clipboard.min.js

clipboard.min.js

978 ms

media-views.min.js

media-views.min.js

985 ms

api.js

api.js

68 ms

e-202432.js

e-202432.js

17 ms

bootstrap.js

bootstrap.js

632 ms

media-editor.min.js

media-editor.min.js

1054 ms

media-audiovideo.min.js

media-audiovideo.min.js

831 ms

replace-file-name.js

replace-file-name.js

843 ms

resizable.min.js

resizable.min.js

845 ms

draggable.min.js

draggable.min.js

846 ms

droppable.min.js

droppable.min.js

854 ms

page-post-media.min.js

page-post-media.min.js

818 ms

wpcf7r-fe.js

wpcf7r-fe.js

829 ms

scripts.js

scripts.js

837 ms

index.js

index.js

833 ms

index.js

index.js

771 ms

index.js

index.js

916 ms

gtm.js

gtm.js

90 ms

vlcsnap-2022-06-15-17h06m07s169.png

vlcsnap-2022-06-15-17h06m07s169.png

134 ms

Neue_Hallen_4B.jpg

Neue_Hallen_4B.jpg

129 ms

4B-Mitarbeiter-an-der-Fraese.jpg

4B-Mitarbeiter-an-der-Fraese.jpg

132 ms

4B_RF_2020_Tag2_4_Bild_328_noWindow_V3_RGB.jpg

4B_RF_2020_Tag2_4_Bild_328_noWindow_V3_RGB.jpg

132 ms

4B_GirlWall_Stocksy_2263293_V1_RGB.jpg

4B_GirlWall_Stocksy_2263293_V1_RGB.jpg

133 ms

froehlicher.jpg

froehlicher.jpg

133 ms

servicemonteur.jpg

servicemonteur.jpg

133 ms

produktion-qualitaetskontrolle-holz.jpg

produktion-qualitaetskontrolle-holz.jpg

135 ms

Logo_SRF.jpg

Logo_SRF.jpg

134 ms

renovation-banner-desktop-clean.jpg

renovation-banner-desktop-clean.jpg

136 ms

test-6.jpg

test-6.jpg

138 ms

vlcsnap-2022-06-15-17h06m07s169.png

vlcsnap-2022-06-15-17h06m07s169.png

136 ms

nf1-fenster.jpg

nf1-fenster.jpg

135 ms

ST2-Schiebetuer-Neuheit-4B.jpg

ST2-Schiebetuer-Neuheit-4B.jpg

136 ms

4b-shape-a05beb4108.svg

4b-shape-a05beb4108.svg

979 ms

logo-fc9275581b.svg

logo-fc9275581b.svg

982 ms

EuclidCircularB-Bold-019b2fd163.woff

EuclidCircularB-Bold-019b2fd163.woff

977 ms

EuclidCircularB-Regular-ccabc36c35.woff

EuclidCircularB-Regular-ccabc36c35.woff

926 ms

recaptcha__en.js

recaptcha__en.js

328 ms

parent-communicator.js

parent-communicator.js

464 ms

896457923

896457923

225 ms

api.js

api.js

11 ms

Accessibility Review

4-b.ch accessibility score

84

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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 valid value for its [lang] attribute.

Best Practices

4-b.ch best practices score

75

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

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

4-b.ch SEO score

79

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4-b.ch can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that 4-b.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

4-b.ch

Open Graph data is detected on the main page of 4B. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: