Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    69% of websites

hs-lu.de

Hochschulbibliothek | Bibliothek

Page Load Speed

4.4 sec in total

First Response

323 ms

Resources Loaded

3.9 sec

Page Rendered

190 ms

hs-lu.de screenshot

About Website

Click here to check amazing Hs Lu content for Germany. Otherwise, check out these important facts you probably never knew about hs-lu.de

Aktuelle Informationen der Bibliothek der Hochschule für Wirtschaft und Gesellschaft Ludwigshafen, Vorstellung der Services rund um die Literaturreche

Visit hs-lu.de

Key Findings

We analyzed Hs-lu.de page load time and found that the first response time was 323 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster. This domain responded with an error, which can significantly jeopardize Hs-lu.de rating and web reputation

Performance Metrics

hs-lu.de performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

65/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.434

22/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

hs-lu.de

323 ms

www.hs-lu.de

591 ms

head-7da95ae495b1f8d6abe4f1410c756246.merged.gz.css

283 ms

head-728551bfb70b0f022d4edb2c5e5a8c50.merged.gz.js

392 ms

sapregistration.js

107 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that all of those requests were addressed to Hs-lu.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Hs-lu.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 713.0 kB (55%)

Content Size

1.3 MB

After Optimization

574.8 kB

In fact, the total size of Hs-lu.de main page is 1.3 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. 30% of websites need less resources to load. Javascripts take 440.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 141.2 kB

  • Original 167.4 kB
  • After minification 165.5 kB
  • After compression 26.2 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 141.2 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 30.2 kB

  • Original 439.1 kB
  • After minification 408.9 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. Hs Lu images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 340.1 kB

  • Original 440.8 kB
  • After minification 353.8 kB
  • After compression 100.7 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 340.1 kB or 77% of the original size.

CSS Optimization

-84%

Potential reduce by 201.5 kB

  • Original 240.6 kB
  • After minification 235.1 kB
  • After compression 39.0 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. Hs-lu.de needs all CSS files to be minified and compressed as it can save up to 201.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (30%)

Requests Now

27

After Optimization

19

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hs Lu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

hs-lu.de accessibility score

92

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Some elements have a [tabindex] value greater than 0

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

hs-lu.de 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

High

Missing source maps for large first-party JavaScript

SEO Factors

hs-lu.de SEO score

90

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

High

Tap targets are not sized appropriately

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 Hs-lu.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 Hs-lu.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 description is not detected on the main page of Hs Lu. 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: