Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

artothek-erftstadt.de

Artothek-erftstadt.de - Stadtbüchereien

Page Load Speed

2.9 sec in total

First Response

332 ms

Resources Loaded

1.6 sec

Page Rendered

938 ms

artothek-erftstadt.de screenshot

About Website

Visit artothek-erftstadt.de now to see the best up-to-date Artothek Erftstadt content and also check out these interesting facts you probably never knew about artothek-erftstadt.de

Website der Stadtbücherei Erftstadt

Visit artothek-erftstadt.de

Key Findings

We analyzed Artothek-erftstadt.de page load time and found that the first response time was 332 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

artothek-erftstadt.de performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

78/100

25%

SI (Speed Index)

Value5.7 s

52/100

10%

TBT (Total Blocking Time)

Value7,800 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

artothek-erftstadt.de

332 ms

www.stadtbuecherei-erftstadt.de

609 ms

css

25 ms

master.css

116 ms

modernizr.custom.35572.js

179 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Artothek-erftstadt.de, 91% (21 requests) were made to Stadtbuecherei-erftstadt.de and 4% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (609 ms) relates to the external source Stadtbuecherei-erftstadt.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.3 kB (30%)

Content Size

181.8 kB

After Optimization

127.6 kB

In fact, the total size of Artothek-erftstadt.de main page is 181.8 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. 35% of websites need less resources to load. Images take 119.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 54.2 kB

  • Original 62.7 kB
  • After minification 41.7 kB
  • After compression 8.5 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 21.1 kB, which is 34% 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 54.2 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 60 B

  • Original 119.1 kB
  • After minification 119.1 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. Artothek Erftstadt images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

20

After Optimization

20

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Artothek Erftstadt. According to our analytics all requests are already optimized.

Accessibility Review

artothek-erftstadt.de accessibility score

68

Accessibility Issues

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

artothek-erftstadt.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

SEO Factors

artothek-erftstadt.de SEO score

86

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

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 Artothek-erftstadt.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 Artothek-erftstadt.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 Artothek Erftstadt. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: