Report Summary

  • 43

    Performance

    Renders faster than
    63% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

3it-berlin.de

3IT Berlin - Innovation Center for Immersive Imaging Technologies

Page Load Speed

5.4 sec in total

First Response

377 ms

Resources Loaded

4.6 sec

Page Rendered

450 ms

3it-berlin.de screenshot

About Website

Visit 3it-berlin.de now to see the best up-to-date 3IT Berlin content for Germany and also check out these interesting facts you probably never knew about 3it-berlin.de

The 3IT offers its partners the unique opportunity to jointly develop the field of immersive imaging technologies in a precompetitive environment. With its 600 m2 facilities it is not only a virtual n...

Visit 3it-berlin.de

Key Findings

We analyzed 3it-berlin.de page load time and found that the first response time was 377 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 70% of websites can load faster.

Performance Metrics

3it-berlin.de performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value1,080 ms

24/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value6.9 s

53/100

10%

Network Requests Diagram

3it-berlin.de

377 ms

www.3it-berlin.de

1657 ms

slick.css

239 ms

slick-theme.css

317 ms

styles.css

319 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 98% of them (51 requests) were addressed to the original 3it-berlin.de, 2% (1 request) were made to Static.newsletter2go.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain 3it-berlin.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 194.5 kB (12%)

Content Size

1.6 MB

After Optimization

1.4 MB

In fact, the total size of 3it-berlin.de main page is 1.6 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. 60% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 69.6 kB

  • Original 86.4 kB
  • After minification 84.1 kB
  • After compression 16.7 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 69.6 kB or 81% of the original size.

Image Optimization

-10%

Potential reduce by 120.7 kB

  • Original 1.2 MB
  • After minification 1.1 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. 3IT Berlin images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 555 B

  • Original 115.8 kB
  • After minification 115.8 kB
  • After compression 115.2 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

-3%

Potential reduce by 3.6 kB

  • Original 117.5 kB
  • After minification 117.5 kB
  • After compression 113.9 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. 3it-berlin.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (61%)

Requests Now

49

After Optimization

19

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 3IT 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 19 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

3it-berlin.de accessibility score

67

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-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

3it-berlin.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

3it-berlin.de SEO score

89

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 3it-berlin.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that 3it-berlin.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 3IT Berlin. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: