Tools & Wizards About Us
berlin-mauer.de screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

berlin-mauer.de

Geschichte der Berliner Mauer und des Mauerfalls in Videos und Bildern - rbb

Page Load Speed

12.6 sec in total

First Response

315 ms

Resources Loaded

3.7 sec

Page Rendered

8.5 sec

berlin-mauer.de screenshot

About Website

Click here to check amazing Berlin Mauer content for Germany. Otherwise, check out these important facts you probably never knew about berlin-mauer.de

Erleben Sie die Geschichte der Berliner Mauer und des Mauerfalls in Videos und Bildern. Historisches Archivmaterial, Zeitzeugen und Experten berichten.

Visit berlin-mauer.de

Key Findings

We analyzed Berlin-mauer.de page load time and found that the first response time was 315 ms and then it took 12.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

berlin-mauer.de performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value430 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.566

12/100

15%

TTI (Time to Interactive)

Value10.3 s

25/100

10%

Network Requests Diagram

berlin-mauer.de

315 ms

www.berlin-mauer.de

489 ms

a0572e472c16.css

204 ms

f67de77259ab.css

196 ms

17e53e24b849.js

239 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 55% of them (44 requests) were addressed to the original Berlin-mauer.de, 31% (25 requests) were made to Media.rbb-online.de and 5% (4 requests) were made to Piwik.moccu.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Berlin-mauer.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 815.0 kB (31%)

Content Size

2.7 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Berlin-mauer.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 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 167.5 kB

  • Original 187.4 kB
  • After minification 173.1 kB
  • After compression 19.9 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 167.5 kB or 89% of the original size.

Image Optimization

-1%

Potential reduce by 13.4 kB

  • Original 1.7 MB
  • After minification 1.6 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. Berlin Mauer images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 356.9 kB

  • Original 521.4 kB
  • After minification 519.2 kB
  • After compression 164.5 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 356.9 kB or 68% of the original size.

CSS Optimization

-93%

Potential reduce by 277.2 kB

  • Original 297.6 kB
  • After minification 228.0 kB
  • After compression 20.5 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. Berlin-mauer.de needs all CSS files to be minified and compressed as it can save up to 277.2 kB or 93% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (10%)

Requests Now

71

After Optimization

64

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Berlin Mauer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

berlin-mauer.de

berlin-mauer.de

315 ms

www.berlin-mauer.de

www.berlin-mauer.de

489 ms

a0572e472c16.css

a0572e472c16.css

204 ms

f67de77259ab.css

f67de77259ab.css

196 ms

17e53e24b849.js

17e53e24b849.js

239 ms

255 ms

420e37a42dd5.js

420e37a42dd5.js

252 ms

68f47e2a4d83.js

68f47e2a4d83.js

596 ms

analytics.js

analytics.js

316 ms

overall.jpg

overall.jpg

196 ms

default-s6b3897808d.png

default-s6b3897808d.png

291 ms

OpenSansRegular.woff

OpenSansRegular.woff

198 ms

DinCondensedBold.woff

DinCondensedBold.woff

441 ms

piwik.js

piwik.js

310 ms

iam.js

iam.js

513 ms

xtcore.js

xtcore.js

575 ms

www.berlin-mauer.de

www.berlin-mauer.de

525 ms

submenu-shadow.png

submenu-shadow.png

98 ms

loader-animation.gif

loader-animation.gif

395 ms

piwik.js

piwik.js

670 ms

tx.io

tx.io

436 ms

timeline-video-poster-spacer.png

timeline-video-poster-spacer.png

140 ms

timeline-hidden.png

timeline-hidden.png

139 ms

DinCondensed.woff

DinCondensed.woff

231 ms

193.jpg

193.jpg

414 ms

192.jpg

192.jpg

409 ms

191.jpg

191.jpg

301 ms

190.jpg

190.jpg

367 ms

194.jpg

194.jpg

378 ms

188.jpg

188.jpg

310 ms

187.jpg

187.jpg

414 ms

189.jpg

189.jpg

485 ms

186.jpg

186.jpg

498 ms

184.jpg

184.jpg

498 ms

238.jpg

238.jpg

493 ms

185.jpg

185.jpg

529 ms

183.jpg

183.jpg

529 ms

182.jpg

182.jpg

687 ms

240.jpg

240.jpg

602 ms

241.jpg

241.jpg

623 ms

242.jpg

242.jpg

713 ms

243.jpg

243.jpg

628 ms

181.jpg

181.jpg

657 ms

179.jpg

179.jpg

822 ms

178.jpg

178.jpg

725 ms

177.jpg

177.jpg

749 ms

175.jpg

175.jpg

776 ms

174.jpg

174.jpg

817 ms

176.jpg

176.jpg

827 ms

0.png

0.png

287 ms

1-zitat.png

1-zitat.png

286 ms

2.png

2.png

285 ms

3.png

3.png

348 ms

4.png

4.png

286 ms

5.png

5.png

287 ms

6.png

6.png

294 ms

7.png

7.png

296 ms

wall01-sky.jpg

wall01-sky.jpg

591 ms

1990.png

1990.png

839 ms

0.png

0.png

449 ms

1-zitat.png

1-zitat.png

491 ms

3.png

3.png

491 ms

4.png

4.png

447 ms

6-zitat.png

6-zitat.png

635 ms

7.png

7.png

547 ms

8.png

8.png

686 ms

9.png

9.png

685 ms

11-zitat.png

11-zitat.png

647 ms

12.png

12.png

687 ms

13.png

13.png

732 ms

14.png

14.png

746 ms

15.png

15.png

783 ms

16.png

16.png

784 ms

wall04.jpg

wall04.jpg

881 ms

1989.png

1989.png

1311 ms

tx.io

tx.io

100 ms

piwik.php

piwik.php

218 ms

blank.gif

blank.gif

136 ms

piwik.php

piwik.php

158 ms

hit.xiti

hit.xiti

211 ms

Accessibility Review

berlin-mauer.de accessibility score

86

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

berlin-mauer.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

SEO Factors

berlin-mauer.de SEO score

85

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

High

robots.txt is not valid

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 Berlin-mauer.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 Berlin-mauer.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

berlin-mauer.de

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