Tools & Wizards About Us
ccbuchner.de screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

ccbuchner.de

C.C.Buchner Verlag | C.C. Buchner Verlag

Page Load Speed

5.5 sec in total

First Response

363 ms

Resources Loaded

3.9 sec

Page Rendered

1.2 sec

ccbuchner.de screenshot

About Website

Click here to check amazing C Buchner content for Germany. Otherwise, check out these important facts you probably never knew about ccbuchner.de

Hier finden Sie alle Schulbücher, Lösungsbände, Begleitmaterialien sowie das digitale Lehrermaterial click & teach und die digitale Ausgabe click & study – exakt passend für verschiedenste Fächer zah

Visit ccbuchner.de

Key Findings

We analyzed Ccbuchner.de page load time and found that the first response time was 363 ms and then it took 5.1 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

ccbuchner.de performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value11.6 s

0/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value390 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.365

29/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

ccbuchner.de

363 ms

www.ccbuchner.de

1963 ms

style.min.css

304 ms

whCookieManager.min.js

201 ms

whCookieManager.min.css

210 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 22% of them (10 requests) were addressed to the original Ccbuchner.de, 73% (33 requests) were made to Res.cloudinary.com and 4% (2 requests) were made to Cookiemanager.wirth-horn.de. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Ccbuchner.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 348.5 kB (30%)

Content Size

1.2 MB

After Optimization

824.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ccbuchner.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. 50% of websites need less resources to load. Images take 543.3 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 266.7 kB

  • Original 299.3 kB
  • After minification 298.7 kB
  • After compression 32.7 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 266.7 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 543.3 kB
  • After minification 543.3 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. C Buchner images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 49.1 kB

  • Original 201.5 kB
  • After minification 201.5 kB
  • After compression 152.4 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 49.1 kB or 24% of the original size.

CSS Optimization

-25%

Potential reduce by 32.7 kB

  • Original 128.6 kB
  • After minification 128.6 kB
  • After compression 95.8 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. Ccbuchner.de needs all CSS files to be minified and compressed as it can save up to 32.7 kB or 25% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

39

After Optimization

39

  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C Buchner. According to our analytics all requests are already optimized.

Network Requests Diagram

ccbuchner.de

ccbuchner.de

363 ms

www.ccbuchner.de

www.ccbuchner.de

1963 ms

style.min.css

style.min.css

304 ms

whCookieManager.min.js

whCookieManager.min.js

201 ms

whCookieManager.min.css

whCookieManager.min.css

210 ms

script.min.js

script.min.js

678 ms

Selber_denken_Auszeichnung_1500x450_s72li2.jpg

Selber_denken_Auszeichnung_1500x450_s72li2.jpg

173 ms

ccb_logo.svg

ccb_logo.svg

155 ms

ccb_schriftzug.svg

ccb_schriftzug.svg

259 ms

Teaser_L_WMD_DariaRen_w8qdfv.jpg

Teaser_L_WMD_DariaRen_w8qdfv.jpg

218 ms

hermeneus_f_r_Website_1500_450_px_bpzsh7.png

hermeneus_f_r_Website_1500_450_px_bpzsh7.png

182 ms

shutterstock.com_Jacob_Lund_Kopie_qioaa3.jpg

shutterstock.com_Jacob_Lund_Kopie_qioaa3.jpg

351 ms

72091_2_stxx2j.png

72091_2_stxx2j.png

213 ms

istockphoto.com_St_gur_M_r_Karlsson_r08f7q.jpg

istockphoto.com_St_gur_M_r_Karlsson_r08f7q.jpg

177 ms

canva.com_vadimguzhva_Kopie_rgqjxe.jpg

canva.com_vadimguzhva_Kopie_rgqjxe.jpg

185 ms

click-and-teach-schulkonto_frei_ebnoqw.png

click-and-teach-schulkonto_frei_ebnoqw.png

190 ms

click-and-teach-schulkonto_frei_d676lg.png

click-and-teach-schulkonto_frei_d676lg.png

320 ms

c72094.jpg

c72094.jpg

199 ms

c31079.jpg

c31079.jpg

205 ms

c70050.jpg

c70050.jpg

313 ms

c79059.jpg

c79059.jpg

215 ms

c71103.jpg

c71103.jpg

377 ms

c12005.jpg

c12005.jpg

369 ms

c03027.jpg

c03027.jpg

230 ms

23224.jpg

23224.jpg

248 ms

c67000.jpg

c67000.jpg

273 ms

c32072.jpg

c32072.jpg

299 ms

c70053.jpg

c70053.jpg

332 ms

c38011.jpg

c38011.jpg

328 ms

c61208.jpg

c61208.jpg

357 ms

c21121.jpg

c21121.jpg

351 ms

c53076.jpg

c53076.jpg

361 ms

c29050.jpg

c29050.jpg

748 ms

c63034.jpg

c63034.jpg

394 ms

c29035.jpg

c29035.jpg

414 ms

c82207.jpg

c82207.jpg

386 ms

c60087.jpg

c60087.jpg

404 ms

c38143.jpg

c38143.jpg

405 ms

c38011.jpg

c38011.jpg

401 ms

c38043.jpg

c38043.jpg

747 ms

c67001.jpg

c67001.jpg

747 ms

fa-regular-400.woff

fa-regular-400.woff

603 ms

fa-light-300.woff

fa-light-300.woff

1122 ms

fa-solid-900.woff

fa-solid-900.woff

603 ms

fa-brands-400.woff

fa-brands-400.woff

1120 ms

Accessibility Review

ccbuchner.de accessibility score

85

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 input fields do not have accessible names

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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.

Best Practices

ccbuchner.de best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

ccbuchner.de SEO score

92

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ccbuchner.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 Ccbuchner.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

ccbuchner.de

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