Tools & Wizards About Us
imap.zib.de screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 84% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

imap.zib.de

Imap Service | Zuse Institute Berlin (ZIB)

Page Load Speed

3.5 sec in total

First Response

519 ms

Resources Loaded

2.7 sec

Page Rendered

254 ms

imap.zib.de screenshot

About Website

Click here to check amazing Imap ZIB content for Finland. Otherwise, check out these important facts you probably never knew about imap.zib.de

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Key Findings

We analyzed Imap.zib.de page load time and found that the first response time was 519 ms and then it took 2.9 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

imap.zib.de performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

43/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

imap.zib.de

519 ms

system.base.css

613 ms

system.menus.css

515 ms

system.messages.css

514 ms

system.theme.css

524 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Imap.zib.de, 97% (34 requests) were made to Zib.de. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Zib.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 78.3 kB (22%)

Content Size

358.4 kB

After Optimization

280.1 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Imap.zib.de main page is 358.4 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. Only 10% of websites need less resources to load. Images take 263.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 14.8 kB

  • Original 19.6 kB
  • After minification 18.8 kB
  • After compression 4.8 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 14.8 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 1.0 kB

  • Original 263.5 kB
  • After minification 262.5 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. Imap ZIB images are well optimized though.

CSS Optimization

-83%

Potential reduce by 62.5 kB

  • Original 75.3 kB
  • After minification 59.0 kB
  • After compression 12.9 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. Imap.zib.de needs all CSS files to be minified and compressed as it can save up to 62.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (68%)

Requests Now

22

After Optimization

7

  • Images
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Imap ZIB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

imap.zib.de

imap.zib.de

519 ms

system.base.css

system.base.css

613 ms

system.menus.css

system.menus.css

515 ms

system.messages.css

system.messages.css

514 ms

system.theme.css

system.theme.css

524 ms

date.css

date.css

526 ms

datepicker.1.7.css

datepicker.1.7.css

525 ms

date_repeat_field.css

date_repeat_field.css

615 ms

field.css

field.css

615 ms

node.css

node.css

623 ms

user.css

user.css

624 ms

views.css

views.css

625 ms

ctools.css

ctools.css

712 ms

text_resize.css

text_resize.css

714 ms

field_group.css

field_group.css

715 ms

fonts.css

fonts.css

1080 ms

styles.css

styles.css

923 ms

print.css

print.css

724 ms

jquery.js

jquery.js

1185 ms

jquery.once.js

jquery.once.js

1173 ms

drupal.js

drupal.js

1171 ms

jquery.cookie.js

jquery.cookie.js

1186 ms

text_resize.js

text_resize.js

1386 ms

field_group.js

field_group.js

1538 ms

jquery.infieldlabel.min.js

jquery.infieldlabel.min.js

1637 ms

jquery.hideMaxListItem.min.js

jquery.hideMaxListItem.min.js

1631 ms

main-menu.js

main-menu.js

1650 ms

sidenotes.js

sidenotes.js

1656 ms

general.js

general.js

1846 ms

bg_header.png

bg_header.png

404 ms

zib_logo_header.png

zib_logo_header.png

104 ms

bg_dotlines.gif

bg_dotlines.gif

106 ms

bg_footer.png

bg_footer.png

502 ms

dotline_horizontal_white.gif

dotline_horizontal_white.gif

106 ms

footer-dotlines-vertical-white.gif

footer-dotlines-vertical-white.gif

108 ms

Accessibility Review

imap.zib.de accessibility score

94

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

imap.zib.de best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

imap.zib.de SEO score

54

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

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 Imap.zib.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 Imap.zib.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

imap.zib.de

Open Graph description is not detected on the main page of Imap ZIB. 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: