Tools & Wizards About Us
bbs-technik-koblenz.de screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

bbs-technik-koblenz.de

DIE technische berufsbildende Schule in Koblenz - Carl Benz Schule Koblenz

Page Load Speed

7 sec in total

First Response

267 ms

Resources Loaded

6.3 sec

Page Rendered

410 ms

bbs-technik-koblenz.de screenshot

About Website

Visit bbs-technik-koblenz.de now to see the best up-to-date Bbstechnik Koblenz content for Germany and also check out these interesting facts you probably never knew about bbs-technik-koblenz.de

Die Carl Benz Schule Koblenz ist DIE berufsbildende Schule in Koblenz, wenn es um Technik geht. KI, Internet der Dinge, MINT-Berufe... das alles erlebst Du bei uns.

Visit bbs-technik-koblenz.de

Key Findings

We analyzed Bbs-technik-koblenz.de page load time and found that the first response time was 267 ms and then it took 6.7 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

bbs-technik-koblenz.de performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value33.4 s

0/100

25%

SI (Speed Index)

Value22.9 s

0/100

10%

TBT (Total Blocking Time)

Value7,590 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.282

43/100

15%

TTI (Time to Interactive)

Value38.0 s

0/100

10%

Network Requests Diagram

bbs-technik-koblenz.de

267 ms

bbs-technik-koblenz.de

3403 ms

style.min.css

504 ms

style-wpzoom-social-icons.css

305 ms

cookie-law-info-public.css

318 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 78% of them (72 requests) were addressed to the original Bbs-technik-koblenz.de, 13% (12 requests) were made to Youtube.com and 2% (2 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Bbs-technik-koblenz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (44%)

Content Size

3.6 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bbs-technik-koblenz.de main page is 3.6 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. Only a small number of websites need less resources to load. Javascripts take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 135.3 kB

  • Original 163.6 kB
  • After minification 160.3 kB
  • After compression 28.3 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 135.3 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 4.3 kB

  • Original 1.3 MB
  • After minification 1.3 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. Bbstechnik Koblenz images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 846.8 kB

  • Original 1.4 MB
  • After minification 1.4 MB
  • After compression 527.3 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 846.8 kB or 62% of the original size.

CSS Optimization

-75%

Potential reduce by 617.5 kB

  • Original 824.3 kB
  • After minification 800.4 kB
  • After compression 206.8 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. Bbs-technik-koblenz.de needs all CSS files to be minified and compressed as it can save up to 617.5 kB or 75% of the original size.

Requests Breakdown

Number of requests can be reduced by 48 (62%)

Requests Now

78

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bbstechnik Koblenz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bbs-technik-koblenz.de

bbs-technik-koblenz.de

267 ms

bbs-technik-koblenz.de

bbs-technik-koblenz.de

3403 ms

style.min.css

style.min.css

504 ms

style-wpzoom-social-icons.css

style-wpzoom-social-icons.css

305 ms

cookie-law-info-public.css

cookie-law-info-public.css

318 ms

cookie-law-info-gdpr.css

cookie-law-info-gdpr.css

421 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

323 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

407 ms

wpzoom-socicon.css

wpzoom-socicon.css

526 ms

genericons.css

genericons.css

431 ms

academicons.min.css

academicons.min.css

506 ms

font-awesome-3.min.css

font-awesome-3.min.css

607 ms

dashicons.min.css

dashicons.min.css

631 ms

wpzoom-social-icons-styles.css

wpzoom-social-icons-styles.css

540 ms

avia-merged-styles-8c88f8b65024837af79d7e0b9915711d---63cfc0181ba72.css

avia-merged-styles-8c88f8b65024837af79d7e0b9915711d---63cfc0181ba72.css

1001 ms

post-734.css

post-734.css

607 ms

jquery.min.js

jquery.min.js

838 ms

jquery-migrate.min.js

jquery-migrate.min.js

648 ms

cookie-law-info-public.js

cookie-law-info-public.js

708 ms

cookies.js

cookies.js

712 ms

common-vendors.css

common-vendors.css

342 ms

common.css

common.css

359 ms

feed.css

feed.css

415 ms

front-app.css

front-app.css

420 ms

layouts-pro.css

layouts-pro.css

449 ms

cookie-law-info-table.css

cookie-law-info-table.css

467 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

771 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

524 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

547 ms

social-icons-widget-frontend.js

social-icons-widget-frontend.js

554 ms

wp-embed.min.js

wp-embed.min.js

576 ms

runtime.js

runtime.js

762 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

763 ms

wp-polyfill.min.js

wp-polyfill.min.js

764 ms

react.min.js

react.min.js

763 ms

react-dom.min.js

react-dom.min.js

770 ms

common-vendors.js

common-vendors.js

1250 ms

common.js

common.js

769 ms

feed.js

feed.js

901 ms

front-app.js

front-app.js

893 ms

layouts-pro.js

layouts-pro.js

901 ms

layerslider.utils.js

layerslider.utils.js

901 ms

layerslider.kreaturamedia.jquery.js

layerslider.kreaturamedia.jquery.js

883 ms

layerslider.transitions.js

layerslider.transitions.js

957 ms

avia-footer-scripts-c0a2f9fa3654c3d18f974eaf154b8517---63cfc019245a3.js

avia-footer-scripts-c0a2f9fa3654c3d18f974eaf154b8517---63cfc019245a3.js

1158 ms

Btij6s_Jcy4

Btij6s_Jcy4

217 ms

custom.jpg

custom.jpg

636 ms

logo-2x.png

logo-2x.png

575 ms

i40_1280_500-min.jpg

i40_1280_500-min.jpg

573 ms

erasmus_slider_02-min.jpg

erasmus_slider_02-min.jpg

855 ms

iot_14_1600_940.jpg

iot_14_1600_940.jpg

639 ms

cbs_slider_01.jpg

cbs_slider_01.jpg

631 ms

cbs_slider_10.jpg

cbs_slider_10.jpg

632 ms

cbs_slider_11.jpg

cbs_slider_11.jpg

634 ms

schulleitung_nira_400_470-255x300.jpg

schulleitung_nira_400_470-255x300.jpg

635 ms

cbs_logo_400_470-180x180.jpg

cbs_logo_400_470-180x180.jpg

634 ms

open-sans-v34-latin-regular.svg

open-sans-v34-latin-regular.svg

557 ms

open-sans-v34-latin-700.svg

open-sans-v34-latin-700.svg

557 ms

open-sans-v34-latin-300.svg

open-sans-v34-latin-300.svg

732 ms

entypo-fontello.woff

entypo-fontello.woff

732 ms

partner_birkenfeld.jpg

partner_birkenfeld.jpg

708 ms

partner_bitkom.jpg

partner_bitkom.jpg

707 ms

partner_cisco.jpg

partner_cisco.jpg

748 ms

partner_ilw.jpg

partner_ilw.jpg

748 ms

partner_intel.jpg

partner_intel.jpg

747 ms

partnerPL2.jpg

partnerPL2.jpg

748 ms

e_plus_gr.jpg

e_plus_gr.jpg

747 ms

partnerASK.jpg

partnerASK.jpg

899 ms

www-player.css

www-player.css

88 ms

www-embed-player.js

www-embed-player.js

111 ms

base.js

base.js

150 ms

socicon.ttf

socicon.ttf

788 ms

wARDj0u

wARDj0u

29 ms

ad_status.js

ad_status.js

268 ms

OfRUkPbLLmIJHiz0sRQ6wXEqxeMXOYMNgt9OZuziQhg.js

OfRUkPbLLmIJHiz0sRQ6wXEqxeMXOYMNgt9OZuziQhg.js

205 ms

embed.js

embed.js

49 ms

open-sans-v34-latin-regular.ttf

open-sans-v34-latin-regular.ttf

179 ms

open-sans-v34-latin-700.ttf

open-sans-v34-latin-700.ttf

179 ms

id

id

89 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

149 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

149 ms

open-sans-v34-latin-300.ttf

open-sans-v34-latin-300.ttf

150 ms

BPDsVFpEVQg

BPDsVFpEVQg

72 ms

zjWcYg-0T8A

zjWcYg-0T8A

70 ms

Na16YSQhG-I

Na16YSQhG-I

68 ms

Create

Create

148 ms

skin.css

skin.css

263 ms

Btij6s_Jcy4

Btij6s_Jcy4

260 ms

BPDsVFpEVQg

BPDsVFpEVQg

561 ms

zjWcYg-0T8A

zjWcYg-0T8A

401 ms

Na16YSQhG-I

Na16YSQhG-I

461 ms

id

id

175 ms

Accessibility Review

bbs-technik-koblenz.de accessibility score

96

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

Links do not have a discernible name

Best Practices

bbs-technik-koblenz.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

High

Page has valid source maps

SEO Factors

bbs-technik-koblenz.de SEO score

98

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 Bbs-technik-koblenz.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 Bbs-technik-koblenz.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

bbs-technik-koblenz.de

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