Tools & Wizards About Us
alsecco.de screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

alsecco.de

alsecco.de: alsecco

Page Load Speed

3.1 sec in total

First Response

320 ms

Resources Loaded

2.6 sec

Page Rendered

180 ms

alsecco.de screenshot

About Website

Welcome to alsecco.de homepage info - get ready to check Alsecco best content for Germany right away, or after learning these important things about alsecco.de

alsecco bietet Fassadendämmsysteme (WDVS, Wärmedämmverbundsysteme) und vorgehängte, hinterlüftete Fassadensysteme (VHV)

Visit alsecco.de

Key Findings

We analyzed Alsecco.de page load time and found that the first response time was 320 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

alsecco.de performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value150 ms

94/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.8 s

28/100

10%

Network Requests Diagram

startseite.html

320 ms

bootstrap.min.css

136 ms

default.css

214 ms

28f4f981-769d-463f-ba7b-8827a9226b06.css

54 ms

stylesheet_a490dd7cbb.css

211 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 87% of them (45 requests) were addressed to the original Alsecco.de, 6% (3 requests) were made to Fast.fonts.com and 4% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (931 ms) relates to the external source Dev.alsecco.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 192.2 kB (16%)

Content Size

1.2 MB

After Optimization

984.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Alsecco.de 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 928.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 20.8 kB

  • Original 26.7 kB
  • After minification 24.2 kB
  • After compression 5.9 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 20.8 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 3.6 kB

  • Original 928.3 kB
  • After minification 924.8 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. Alsecco images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 76.2 kB

  • Original 111.9 kB
  • After minification 102.8 kB
  • After compression 35.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 76.2 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 91.7 kB

  • Original 110.3 kB
  • After minification 85.9 kB
  • After compression 18.6 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. Alsecco.de needs all CSS files to be minified and compressed as it can save up to 91.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (39%)

Requests Now

49

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alsecco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

startseite.html

startseite.html

320 ms

bootstrap.min.css

bootstrap.min.css

136 ms

default.css

default.css

214 ms

28f4f981-769d-463f-ba7b-8827a9226b06.css

28f4f981-769d-463f-ba7b-8827a9226b06.css

54 ms

stylesheet_a490dd7cbb.css

stylesheet_a490dd7cbb.css

211 ms

site.css

site.css

220 ms

jquery.fancybox.css

jquery.fancybox.css

213 ms

resp.css

resp.css

214 ms

mod_referenzen.css

mod_referenzen.css

238 ms

javascript_30dfc31e5a.js

javascript_30dfc31e5a.js

312 ms

init.js

init.js

327 ms

jquery.min.js

jquery.min.js

31 ms

jquery-ui.min.js

jquery-ui.min.js

53 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

400 ms

jquery.cycle2.rollVert.js

jquery.cycle2.rollVert.js

398 ms

jquery.cycle2.scrollLeft.js

jquery.cycle2.scrollLeft.js

399 ms

jquery.cycle2.slideVert.js

jquery.cycle2.slideVert.js

400 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

416 ms

advanced.js

advanced.js

400 ms

mod_slide.js

mod_slide.js

441 ms

mod_start.js

mod_start.js

442 ms

slider_wdvs_hightech02.jpg

slider_wdvs_hightech02.jpg

931 ms

body_bg.png

body_bg.png

150 ms

alsecco_logo.png

alsecco_logo.png

150 ms

sprite_diamonds_flat_gki.png

sprite_diamonds_flat_gki.png

182 ms

csm_dresden_wohngebaeude_haydnstr_01_c_308b1768f2.jpg

csm_dresden_wohngebaeude_haydnstr_01_c_308b1768f2.jpg

712 ms

x.gif

x.gif

190 ms

sprite_diamonds_flat_dark.png

sprite_diamonds_flat_dark.png

190 ms

csm_hero_x-press_81959c5bc0.jpg

csm_hero_x-press_81959c5bc0.jpg

629 ms

sprite_diamonds_flat_g.png

sprite_diamonds_flat_g.png

215 ms

sprite_content.png

sprite_content.png

288 ms

csm_news_teaser_aface_2015-02_721bad4de3.jpg

csm_news_teaser_aface_2015-02_721bad4de3.jpg

295 ms

csm_teaser_2015-12_brandschutz_47571dffaa.png

csm_teaser_2015-12_brandschutz_47571dffaa.png

295 ms

csm_2015-11_interview_a-hanke_teaser_a90d8bba1f.jpg

csm_2015-11_interview_a-hanke_teaser_a90d8bba1f.jpg

321 ms

csm_IMG_0075_c02_7a9de638d0.jpg

csm_IMG_0075_c02_7a9de638d0.jpg

397 ms

csm_teaser_2015-10_brandschutz_84c95cbec3.png

csm_teaser_2015-10_brandschutz_84c95cbec3.png

504 ms

csm_teaser_thema_brandschutz_f8c33f81ff.png

csm_teaser_thema_brandschutz_f8c33f81ff.png

402 ms

csm_teaser_nb-fassaden_2015_694e12ae44.jpg

csm_teaser_nb-fassaden_2015_694e12ae44.jpg

428 ms

csm_teaser_wdvs-was_spricht_dagegen_30a709f12d.jpg

csm_teaser_wdvs-was_spricht_dagegen_30a709f12d.jpg

503 ms

csm_teaser_fakten_der_fassadenaemmung_740f6ddef5.jpg

csm_teaser_fakten_der_fassadenaemmung_740f6ddef5.jpg

508 ms

csm_teaser_kampagne_dls_e2cf3b64ed.jpg

csm_teaser_kampagne_dls_e2cf3b64ed.jpg

534 ms

csm_teaser_wdvs-kritik-animation_a0729eafe6.jpg

csm_teaser_wdvs-kritik-animation_a0729eafe6.jpg

611 ms

csm_teaser_x-press_technologie_1ca20a1be1.jpg

csm_teaser_x-press_technologie_1ca20a1be1.jpg

610 ms

csm_teaser_aero-free_b28c219650.jpg

csm_teaser_aero-free_b28c219650.jpg

613 ms

csm_teaser_blauer-engel_2014_b65a5261b5.jpg

csm_teaser_blauer-engel_2014_b65a5261b5.jpg

641 ms

csm_teaser_lieferprogramm_dbfee5479f.jpg

csm_teaser_lieferprogramm_dbfee5479f.jpg

717 ms

sprite_diamonds_flat.png

sprite_diamonds_flat.png

717 ms

icon_search.png

icon_search.png

719 ms

sprite_links.png

sprite_links.png

729 ms

9f4daf09-16e3-4902-a060-a3c56cd45f4a.woff

9f4daf09-16e3-4902-a060-a3c56cd45f4a.woff

67 ms

c05d46fc-78f7-45e9-aed5-47baa2d5284e.woff

c05d46fc-78f7-45e9-aed5-47baa2d5284e.woff

116 ms

piwik.js

piwik.js

476 ms

Accessibility Review

alsecco.de accessibility score

93

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-hidden="true"] elements contain focusable descendents

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

Links do not have a discernible name

Best Practices

alsecco.de best practices score

92

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

SEO Factors

alsecco.de SEO score

97

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

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 Alsecco.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 Alsecco.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

alsecco.de

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