Tools & Wizards About Us
stadtbibliothek-bremerhaven.de screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

stadtbibliothek-bremerhaven.de

Startseite

Page Load Speed

2.4 sec in total

First Response

490 ms

Resources Loaded

1.8 sec

Page Rendered

160 ms

stadtbibliothek-bremerhaven.de screenshot

About Website

Visit stadtbibliothek-bremerhaven.de now to see the best up-to-date Stadtbibliothek Bremerhaven content and also check out these interesting facts you probably never knew about stadtbibliothek-bremerhaven.de

Internetportal der Stadtbibliothek Bremerhaven

Visit stadtbibliothek-bremerhaven.de

Key Findings

We analyzed Stadtbibliothek-bremerhaven.de page load time and found that the first response time was 490 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

stadtbibliothek-bremerhaven.de performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.2 s

100/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

stadtbibliothek-bremerhaven.de

490 ms

stylesheet_635a1de83a.css

491 ms

javascript_93077bb238.js

444 ms

styles.css

486 ms

count

199 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 95% of them (18 requests) were addressed to the original Stadtbibliothek-bremerhaven.de, 5% (1 request) were made to Dbspixel.hbz-nrw.de. The less responsive or slowest element that took the longest time to load (773 ms) belongs to the original domain Stadtbibliothek-bremerhaven.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.0 kB (12%)

Content Size

345.0 kB

After Optimization

302.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stadtbibliothek-bremerhaven.de main page is 345.0 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 309.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 17.9 kB

  • Original 22.0 kB
  • After minification 19.9 kB
  • After compression 4.1 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 17.9 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 14.0 kB

  • Original 309.5 kB
  • After minification 295.5 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. Stadtbibliothek Bremerhaven images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 154 B

  • Original 357 B
  • After minification 356 B
  • After compression 203 B

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 154 B or 43% of the original size.

CSS Optimization

-83%

Potential reduce by 10.9 kB

  • Original 13.1 kB
  • After minification 9.9 kB
  • After compression 2.3 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. Stadtbibliothek-bremerhaven.de needs all CSS files to be minified and compressed as it can save up to 10.9 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (33%)

Requests Now

18

After Optimization

12

  • Images
  • JavaScript
  • CSS

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

Network Requests Diagram

stadtbibliothek-bremerhaven.de

stadtbibliothek-bremerhaven.de

490 ms

stylesheet_635a1de83a.css

stylesheet_635a1de83a.css

491 ms

javascript_93077bb238.js

javascript_93077bb238.js

444 ms

styles.css

styles.css

486 ms

count

count

199 ms

hintergrund2.png

hintergrund2.png

355 ms

logo.png

logo.png

143 ms

kopf1.png

kopf1.png

773 ms

regal_oben.png

regal_oben.png

288 ms

transparent.gif

transparent.gif

271 ms

bhv2.png

bhv2.png

300 ms

regal_unten.png

regal_unten.png

278 ms

delicious.png

delicious.png

398 ms

digg.gif

digg.gif

412 ms

google.png

google.png

418 ms

wong.png

wong.png

430 ms

webnews.png

webnews.png

466 ms

yahoomyweb.png

yahoomyweb.png

519 ms

yiggit.png

yiggit.png

542 ms

Accessibility Review

stadtbibliothek-bremerhaven.de accessibility score

91

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

stadtbibliothek-bremerhaven.de best practices score

75

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

SEO Factors

stadtbibliothek-bremerhaven.de SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Stadtbibliothek-bremerhaven.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Stadtbibliothek-bremerhaven.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

stadtbibliothek-bremerhaven.de

Open Graph description is not detected on the main page of Stadtbibliothek Bremerhaven. 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: