Tools & Wizards About Us
slstuning.de screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

slstuning.de

SLS Tuning – Chiptuning, Auspuffanlagen, Motorumbauten

Page Load Speed

5.6 sec in total

First Response

350 ms

Resources Loaded

4.7 sec

Page Rendered

522 ms

slstuning.de screenshot

About Website

Visit slstuning.de now to see the best up-to-date SLS Tuning content for Germany and also check out these interesting facts you probably never knew about slstuning.de

Visit slstuning.de

Key Findings

We analyzed Slstuning.de page load time and found that the first response time was 350 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

slstuning.de performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.304

39/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

slstuning.de

350 ms

www.slstuning.de

1162 ms

www.slstuning.de

300 ms

styles.css

325 ms

tz-feature-pack-public.css

326 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that all of those requests were addressed to Slstuning.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Slstuning.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 315.4 kB (12%)

Content Size

2.7 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Slstuning.de main page is 2.7 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. 65% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 105.1 kB

  • Original 126.6 kB
  • After minification 123.0 kB
  • After compression 21.5 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 105.1 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 167.0 kB

  • Original 2.1 MB
  • After minification 1.9 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. SLS Tuning images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 14.3 kB

  • Original 239.3 kB
  • After minification 238.8 kB
  • After compression 225.0 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

-12%

Potential reduce by 29.0 kB

  • Original 239.9 kB
  • After minification 239.9 kB
  • After compression 210.9 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. Slstuning.de needs all CSS files to be minified and compressed as it can save up to 29.0 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (66%)

Requests Now

95

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SLS Tuning. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

slstuning.de

slstuning.de

350 ms

www.slstuning.de

www.slstuning.de

1162 ms

www.slstuning.de

www.slstuning.de

300 ms

styles.css

styles.css

325 ms

tz-feature-pack-public.css

tz-feature-pack-public.css

326 ms

frontend-widget-styles.css

frontend-widget-styles.css

336 ms

elementor-widgets-styles.css

elementor-widgets-styles.css

446 ms

elementor-icons.min.css

elementor-icons.min.css

339 ms

frontend.min.css

frontend.min.css

409 ms

swiper.min.css

swiper.min.css

434 ms

post-6.css

post-6.css

436 ms

frontend.min.css

frontend.min.css

559 ms

post-701.css

post-701.css

451 ms

chiptuning-db-public.css

chiptuning-db-public.css

517 ms

cookieblocker.min.css

cookieblocker.min.css

541 ms

style.css

style.css

651 ms

fonts.css

fonts.css

557 ms

font-awesome.min.css

font-awesome.min.css

570 ms

post-4976.css

post-4976.css

624 ms

post-4683.css

post-4683.css

649 ms

ekiticons.css

ekiticons.css

671 ms

widget-styles.css

widget-styles.css

780 ms

responsive.css

responsive.css

676 ms

general.min.css

general.min.css

732 ms

css

css

757 ms

fontawesome.min.css

fontawesome.min.css

759 ms

solid.min.css

solid.min.css

797 ms

brands.min.css

brands.min.css

797 ms

jquery.min.js

jquery.min.js

841 ms

jquery-migrate.min.js

jquery-migrate.min.js

865 ms

chiptuning-db-public.js

chiptuning-db-public.js

865 ms

animations.min.css

animations.min.css

793 ms

ajax-auth.js

ajax-auth.js

794 ms

post-like.js

post-like.js

800 ms

elementor-helper.js

elementor-helper.js

850 ms

index.js

index.js

873 ms

index.js

index.js

873 ms

tz-feature-pack-public.js

tz-feature-pack-public.js

903 ms

bootstrap.js

bootstrap.js

712 ms

owl-carousel.js

owl-carousel.js

696 ms

navigation.js

navigation.js

736 ms

hoverIntent.min.js

hoverIntent.min.js

750 ms

theme-helper.js

theme-helper.js

747 ms

frontend-script.js

frontend-script.js

708 ms

widget-scripts.js

widget-scripts.js

833 ms

cart-helper.js

cart-helper.js

697 ms

custom-scrollbar.js

custom-scrollbar.js

723 ms

countdown.js

countdown.js

743 ms

sls-chiptuning-select.css

sls-chiptuning-select.css

677 ms

general.min.js

general.min.js

726 ms

complianz.min.js

complianz.min.js

709 ms

jquery.smartmenus.min.js

jquery.smartmenus.min.js

759 ms

webpack-pro.runtime.min.js

webpack-pro.runtime.min.js

759 ms

webpack.runtime.min.js

webpack.runtime.min.js

706 ms

frontend-modules.min.js

frontend-modules.min.js

697 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

689 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

682 ms

wp-polyfill.min.js

wp-polyfill.min.js

710 ms

hooks.min.js

hooks.min.js

680 ms

i18n.min.js

i18n.min.js

656 ms

frontend.min.js

frontend.min.js

696 ms

waypoints.min.js

waypoints.min.js

661 ms

core.min.js

core.min.js

673 ms

frontend.min.js

frontend.min.js

698 ms

elements-handlers.min.js

elements-handlers.min.js

677 ms

animate-circle.min.js

animate-circle.min.js

652 ms

elementor.js

elementor.js

703 ms

LM575-pic2-scaled.jpg

LM575-pic2-scaled.jpg

675 ms

logo_new-q8yjdp163hhoad7we3kfidhj7bm2pqv91jlbiy1m2o.png

logo_new-q8yjdp163hhoad7we3kfidhj7bm2pqv91jlbiy1m2o.png

387 ms

start-655642adc6a1e.webp

start-655642adc6a1e.webp

590 ms

img-5778-scaled-655642b1c5486.webp

img-5778-scaled-655642b1c5486.webp

610 ms

a640067-scaled-655642ae56dd6.webp

a640067-scaled-655642ae56dd6.webp

828 ms

chiptuning.png

chiptuning.png

785 ms

aga.png

aga.png

914 ms

tuev-startseite.jpg

tuev-startseite.jpg

700 ms

g-lader2.png

g-lader2.png

934 ms

pruefstand-startseite.jpg

pruefstand-startseite.jpg

787 ms

fahrwerk-startseite.jpg

fahrwerk-startseite.jpg

808 ms

vw-1.png

vw-1.png

897 ms

audi-1.png

audi-1.png

900 ms

seat.png

seat.png

916 ms

cupra.png

cupra.png

936 ms

skoda.png

skoda.png

1009 ms

porsche.png

porsche.png

980 ms

bmw-1.png

bmw-1.png

994 ms

mercedes-1.png

mercedes-1.png

992 ms

KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff

KFOmCnqEu92Fr1Mu4mxMKTU1Kg.woff

1009 ms

KFOmCnqEu92Fr1Mu7GxMKTU1Kvnz.woff

KFOmCnqEu92Fr1Mu7GxMKTU1Kvnz.woff

956 ms

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KFOmCnqEu92Fr1Mu7WxMKTU1Kvnz.woff

1024 ms

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KFOmCnqEu92Fr1Mu4WxMKTU1Kvnz.woff

1033 ms

KFOmCnqEu92Fr1Mu7mxMKTU1Kvnz.woff

KFOmCnqEu92Fr1Mu7mxMKTU1Kvnz.woff

1034 ms

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KFOmCnqEu92Fr1Mu5mxMKTU1Kvnz.woff

1033 ms

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KFOmCnqEu92Fr1Mu72xMKTU1Kvnz.woff

1036 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

1006 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

1053 ms

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KFOlCnqEu92Fr1MmSU5fBBc-.woff

1069 ms

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KFOkCnqEu92Fr1MmgVxIIzQ.woff

1026 ms

KFOlCnqEu92Fr1MmWUlfBBc-.woff

KFOlCnqEu92Fr1MmWUlfBBc-.woff

1041 ms

KFOlCnqEu92Fr1MmYUtfBBc-.woff

KFOlCnqEu92Fr1MmYUtfBBc-.woff

1028 ms

eicons.woff

eicons.woff

1003 ms

fa-brands-400.woff

fa-brands-400.woff

1061 ms

more.png

more.png

1068 ms

tire_icon_1.png

tire_icon_1.png

974 ms

tire_icon2.png

tire_icon2.png

979 ms

icon_logo3.png

icon_logo3.png

779 ms

fahrwerk-teaser.jpg

fahrwerk-teaser.jpg

763 ms

tiny_logo1.png

tiny_logo1.png

785 ms

tiny_logo2.png

tiny_logo2.png

762 ms

tiny_logo3.png

tiny_logo3.png

675 ms

tiny_logo4.png

tiny_logo4.png

691 ms

logo_new.png

logo_new.png

671 ms

g-lader-startseite-large.jpg

g-lader-startseite-large.jpg

657 ms

Accessibility Review

slstuning.de accessibility score

78

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

slstuning.de 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

slstuning.de SEO score

76

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

High

Tap targets are not sized appropriately

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 Slstuning.de 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 Slstuning.de 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

slstuning.de

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