Tools & Wizards About Us
clioberlin.de screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    67% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

clioberlin.de

Berlin Stadtführungen mit einem Historiker - privat & öffentlich

Page Load Speed

4.5 sec in total

First Response

770 ms

Resources Loaded

3.4 sec

Page Rendered

319 ms

clioberlin.de screenshot

About Website

Click here to check amazing Clio Berlin content for Germany. Otherwise, check out these important facts you probably never knew about clioberlin.de

Berlin Stadtführungen mit einem Historiker • ✔spannend ✔informativ ✔kompetent • öffentliche, individuelle & private Stadtführungen in Berlin.

Visit clioberlin.de

Key Findings

We analyzed Clioberlin.de page load time and found that the first response time was 770 ms and then it took 3.8 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

clioberlin.de performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.88

3/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

Network Requests Diagram

clioberlin.de

770 ms

logo-desktop.png

113 ms

clio-stadtfuehrung-berlin-exklusiv-privat-desk.jpg

432 ms

clio-stadtfuehrung-berlin-exklusiv-privat-mobil.jpg

704 ms

tripadvisor_logo_transp_340x80-18034-2.png

123 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 61% of them (17 requests) were addressed to the original Clioberlin.de, 11% (3 requests) were made to Fonts.gstatic.com and 7% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (827 ms) belongs to the original domain Clioberlin.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 50.7 kB (7%)

Content Size

696.8 kB

After Optimization

646.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Clioberlin.de main page is 696.8 kB. 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 432.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 47.5 kB

  • Original 62.9 kB
  • After minification 62.9 kB
  • After compression 15.4 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 47.5 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 2.6 kB

  • Original 432.9 kB
  • After minification 430.3 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. Clio Berlin images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 584 B

  • Original 195.8 kB
  • After minification 195.8 kB
  • After compression 195.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 5.1 kB
  • After minification 5.1 kB
  • After compression 5.1 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. Clioberlin.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (14%)

Requests Now

21

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Clio Berlin. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

clioberlin.de

clioberlin.de

770 ms

logo-desktop.png

logo-desktop.png

113 ms

clio-stadtfuehrung-berlin-exklusiv-privat-desk.jpg

clio-stadtfuehrung-berlin-exklusiv-privat-desk.jpg

432 ms

clio-stadtfuehrung-berlin-exklusiv-privat-mobil.jpg

clio-stadtfuehrung-berlin-exklusiv-privat-mobil.jpg

704 ms

tripadvisor_logo_transp_340x80-18034-2.png

tripadvisor_logo_transp_340x80-18034-2.png

123 ms

7efba4724b2189bbbbafced32f996e2b.js

7efba4724b2189bbbbafced32f996e2b.js

747 ms

css

css

35 ms

css

css

94 ms

clio-stadtfuehrung-berlin-nationalsozialismus-mosaic.jpg

clio-stadtfuehrung-berlin-nationalsozialismus-mosaic.jpg

313 ms

clio-stadtfuehrung-schulklassen-regierungsviertel-mosaic.jpg

clio-stadtfuehrung-schulklassen-regierungsviertel-mosaic.jpg

425 ms

clio-stadtfuehrung-reichstag-reichstagskuppel-regierungsviertel-mosaic.jpg

clio-stadtfuehrung-reichstag-reichstagskuppel-regierungsviertel-mosaic.jpg

426 ms

clio-stadtfuehrung-karl-marx-allee-stalinallee-mosaic.jpg

clio-stadtfuehrung-karl-marx-allee-stalinallee-mosaic.jpg

426 ms

clio-stadtfuehrung-unter-den-linden-gendarmenmarkt-mosaic.jpg

clio-stadtfuehrung-unter-den-linden-gendarmenmarkt-mosaic.jpg

535 ms

clio-stadtfuehrung-berliner-mauer-mosaic.jpg

clio-stadtfuehrung-berliner-mauer-mosaic.jpg

535 ms

clio-stadtfuehrung-stadtschloss-berlin-mosaic.jpg

clio-stadtfuehrung-stadtschloss-berlin-mosaic.jpg

536 ms

clio-stadtfuehrung-berlin-kompakt-mosaic.jpg

clio-stadtfuehrung-berlin-kompakt-mosaic.jpg

538 ms

clio-stadtfuehrung-schulklassen-berlin-mosaic.jpg

clio-stadtfuehrung-schulklassen-berlin-mosaic.jpg

648 ms

clio-stadtfuehrung-berlin-exklusiv-privat-mosaic.jpg

clio-stadtfuehrung-berlin-exklusiv-privat-mosaic.jpg

645 ms

clio-stadtfuehrung-berlin-exklusiv-privat-portrait.jpg

clio-stadtfuehrung-berlin-exklusiv-privat-portrait.jpg

647 ms

bbe7f436672a8a1f445ff453e2a921a4.css

bbe7f436672a8a1f445ff453e2a921a4.css

827 ms

badge.min.js

badge.min.js

551 ms

t4b_widget_ratingsonly-v24139938417a.css

t4b_widget_ratingsonly-v24139938417a.css

54 ms

cdswidgets_m-c-v22480917520a.js

cdswidgets_m-c-v22480917520a.js

106 ms

jizaRExUiTo99u79D0KEww.woff

jizaRExUiTo99u79D0KEww.woff

20 ms

jizfRExUiTo99u79B_mh0O6tKw.woff

jizfRExUiTo99u79B_mh0O6tKw.woff

35 ms

BngRUXNadjH0qYEzV7ab-oWlsbCGwRs.woff

BngRUXNadjH0qYEzV7ab-oWlsbCGwRs.woff

36 ms

badge.min.js

badge.min.js

214 ms

badge.min.js

badge.min.js

575 ms

Accessibility Review

clioberlin.de accessibility score

91

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

clioberlin.de best practices score

67

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

clioberlin.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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

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

clioberlin.de

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