Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

berlinoteka.de

berlinoteka.de

Page Load Speed

4.7 sec in total

First Response

499 ms

Resources Loaded

3.7 sec

Page Rendered

509 ms

berlinoteka.de screenshot

About Website

Welcome to berlinoteka.de homepage info - get ready to check Berlinoteka best content for Poland right away, or after learning these important things about berlinoteka.de

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Key Findings

We analyzed Berlinoteka.de page load time and found that the first response time was 499 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

berlinoteka.de performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

33/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value590 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.219

57/100

15%

TTI (Time to Interactive)

Value4.9 s

77/100

10%

Network Requests Diagram

berlinoteka.de

499 ms

www.berlinoteka.de

1720 ms

styles.css

237 ms

jquery.min.js

459 ms

bootstrap.min.js

341 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 70% of them (30 requests) were addressed to the original Berlinoteka.de, 14% (6 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Berlinoteka.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 318.2 kB (29%)

Content Size

1.1 MB

After Optimization

765.2 kB

In fact, the total size of Berlinoteka.de main page is 1.1 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 663.1 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 44.9 kB

  • Original 53.5 kB
  • After minification 34.5 kB
  • After compression 8.7 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. This page needs HTML code to be minified as it can gain 19.1 kB, which is 36% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 44.9 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 4.8 kB

  • Original 663.1 kB
  • After minification 658.4 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. Berlinoteka images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 112.9 kB

  • Original 184.2 kB
  • After minification 178.2 kB
  • After compression 71.3 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 112.9 kB or 61% of the original size.

CSS Optimization

-85%

Potential reduce by 155.7 kB

  • Original 182.6 kB
  • After minification 150.8 kB
  • After compression 26.9 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. Berlinoteka.de needs all CSS files to be minified and compressed as it can save up to 155.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (21%)

Requests Now

33

After Optimization

26

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Berlinoteka. 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.

Accessibility Review

berlinoteka.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

<frame> or <iframe> elements do not have a title

Best Practices

berlinoteka.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

SEO Factors

berlinoteka.de SEO score

92

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

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

    EN

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Berlinoteka.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Polish language. Our system also found out that Berlinoteka.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

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