Tools & Wizards About Us
katalog.adlr.link screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

katalog.adlr.link

FID Media | Fachinformationsdienst Kommunikations- und Medienwissenschaft

Page Load Speed

3.5 sec in total

First Response

446 ms

Resources Loaded

2.8 sec

Page Rendered

294 ms

katalog.adlr.link screenshot

About Website

Welcome to katalog.adlr.link homepage info - get ready to check Katalog Adlr best content for Germany right away, or after learning these important things about katalog.adlr.link

FID Media is the platform for specialised academic information and open access publishing for communication and media studies.

Visit katalog.adlr.link

Key Findings

We analyzed Katalog.adlr.link page load time and found that the first response time was 446 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

katalog.adlr.link performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.0 s

3/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value6.7 s

57/100

10%

Network Requests Diagram

katalog.adlr.link

446 ms

katalog.adlr.link

596 ms

compiled.css

638 ms

icon-helper.css

321 ms

jquery.min.js

534 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 98% of them (41 requests) were addressed to the original Katalog.adlr.link, 2% (1 request) were made to Piwik.ub.uni-leipzig.de. The less responsive or slowest element that took the longest time to load (849 ms) relates to the external source Piwik.ub.uni-leipzig.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 648.3 kB (73%)

Content Size

886.5 kB

After Optimization

238.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Katalog.adlr.link main page is 886.5 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. 40% of websites need less resources to load. CSS take 469.7 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 29.1 kB

  • Original 37.8 kB
  • After minification 32.6 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 5.2 kB, which is 14% 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 29.1 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 77.6 kB
  • After minification 77.6 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. Katalog Adlr images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 214.5 kB

  • Original 301.4 kB
  • After minification 272.1 kB
  • After compression 86.9 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 214.5 kB or 71% of the original size.

CSS Optimization

-86%

Potential reduce by 404.7 kB

  • Original 469.7 kB
  • After minification 395.2 kB
  • After compression 65.0 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. Katalog.adlr.link needs all CSS files to be minified and compressed as it can save up to 404.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (52%)

Requests Now

33

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katalog Adlr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

katalog.adlr.link

katalog.adlr.link

446 ms

katalog.adlr.link

katalog.adlr.link

596 ms

compiled.css

compiled.css

638 ms

icon-helper.css

icon-helper.css

321 ms

jquery.min.js

jquery.min.js

534 ms

bootstrap.min.js

bootstrap.min.js

428 ms

bootstrap-accessibility.min.js

bootstrap-accessibility.min.js

322 ms

validator.min.js

validator.min.js

323 ms

form-attr-polyfill.js

form-attr-polyfill.js

428 ms

autocomplete.js

autocomplete.js

536 ms

common.js

common.js

430 ms

lightbox.js

lightbox.js

675 ms

truncate.js

truncate.js

534 ms

trigger_print.js

trigger_print.js

536 ms

check_item_statuses.js

check_item_statuses.js

674 ms

lightbox_form_cache.js

lightbox_form_cache.js

676 ms

covers.js

covers.js

677 ms

common-finc.js

common-finc.js

676 ms

resultGrouping.js

resultGrouping.js

742 ms

bootstrap-accessibility-en.min.js

bootstrap-accessibility-en.min.js

745 ms

account_ajax.js

account_ajax.js

746 ms

header-bg-lg.png

header-bg-lg.png

112 ms

logo.svg

logo.svg

110 ms

mediarep-logo.svg

mediarep-logo.svg

114 ms

twitter-logo.svg

twitter-logo.svg

112 ms

ubl-logo-negative.png

ubl-logo-negative.png

111 ms

uni-marburg-logo-white.svg

uni-marburg-logo-white.svg

213 ms

dfg-logo.svg

dfg-logo.svg

221 ms

finc-logo-negative.png

finc-logo-negative.png

223 ms

vufind-logo.svg

vufind-logo.svg

219 ms

Open-Sans-Regular.woff

Open-Sans-Regular.woff

288 ms

Open-Sans-700.woff

Open-Sans-700.woff

187 ms

Ubuntu-Mono-700.woff

Ubuntu-Mono-700.woff

390 ms

Ubuntu-Mono-Regular.woff

Ubuntu-Mono-Regular.woff

394 ms

icomoon.woff

icomoon.woff

294 ms

background-shape-left.svg

background-shape-left.svg

278 ms

background-shape-right.svg

background-shape-right.svg

286 ms

footer-dummy-background.png

footer-dummy-background.png

406 ms

piwik.js

piwik.js

849 ms

Open-Sans-Italic.woff

Open-Sans-Italic.woff

343 ms

Open-Sans-700italic.woff

Open-Sans-700italic.woff

343 ms

print.css

print.css

108 ms

Accessibility Review

katalog.adlr.link accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

katalog.adlr.link 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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

katalog.adlr.link SEO score

77

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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

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

    EN

  • Encoding

    UTF-8

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

katalog.adlr.link

Open Graph description is not detected on the main page of Katalog Adlr. 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: