Tools & Wizards About Us
berlinsummerschool.de screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

berlinsummerschool.de

Home - Berlin Summer School

Page Load Speed

3 sec in total

First Response

383 ms

Resources Loaded

2.5 sec

Page Rendered

90 ms

berlinsummerschool.de screenshot

About Website

Click here to check amazing Berlin Summer School content for Russia. Otherwise, check out these important facts you probably never knew about berlinsummerschool.de

berlin summer school in social sciences 2012, linking theory and empirical research, WZB, Berlin Graduate School of Social Sciences, Humboldt University Berlin

Visit berlinsummerschool.de

Key Findings

We analyzed Berlinsummerschool.de page load time and found that the first response time was 383 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

berlinsummerschool.de performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.67

8/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

berlinsummerschool.de

383 ms

berlinsummerschool.de

687 ms

layout.css

105 ms

typo.css

210 ms

form.css

313 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that 94% of them (17 requests) were addressed to the original Berlinsummerschool.de, 6% (1 request) were made to Awstats.wzb.eu. The less responsive or slowest element that took the longest time to load (816 ms) relates to the external source Awstats.wzb.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 257.8 kB (57%)

Content Size

453.1 kB

After Optimization

195.3 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Berlinsummerschool.de main page is 453.1 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. 15% of websites need less resources to load. Javascripts take 311.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 5.7 kB

  • Original 7.7 kB
  • After minification 7.1 kB
  • After compression 2.0 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 5.7 kB or 74% of the original size.

Image Optimization

-1%

Potential reduce by 1.5 kB

  • Original 134.0 kB
  • After minification 132.5 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. Berlin Summer School images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 250.7 kB

  • Original 311.4 kB
  • After minification 199.9 kB
  • After compression 60.7 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 250.7 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

15

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Berlin Summer School. According to our analytics all requests are already optimized.

Network Requests Diagram

berlinsummerschool.de

berlinsummerschool.de

383 ms

berlinsummerschool.de

berlinsummerschool.de

687 ms

layout.css

layout.css

105 ms

typo.css

typo.css

210 ms

form.css

form.css

313 ms

jquery.js

jquery.js

632 ms

bgss_script.js

bgss_script.js

328 ms

bgsslogo.png

bgsslogo.png

327 ms

bgss_s.png

bgss_s.png

418 ms

wzb_s.png

wzb_s.png

326 ms

humainbuildingcourt.jpg

humainbuildingcourt.jpg

619 ms

bgss.png

bgss.png

727 ms

wzb.png

wzb.png

421 ms

gradientyellow_bg.png

gradientyellow_bg.png

108 ms

gradientgrey.png

gradientgrey.png

210 ms

gradientyellow.png

gradientyellow.png

210 ms

page_white_acrobat.png

page_white_acrobat.png

425 ms

piwik.js

piwik.js

816 ms

Accessibility Review

berlinsummerschool.de accessibility score

75

Accessibility Issues

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

High

Links do not have a discernible name

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

berlinsummerschool.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

berlinsummerschool.de SEO score

86

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Berlinsummerschool.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 German language. Our system also found out that Berlinsummerschool.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

berlinsummerschool.de

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