Tools & Wizards About Us

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

izg-online.info

Assalamu Alaikum - Islamisches Zentrum Gütersloh e.V.

Page Load Speed

8 sec in total

First Response

559 ms

Resources Loaded

7 sec

Page Rendered

366 ms

About Website

Click here to check amazing Izg Online content. Otherwise, check out these important facts you probably never knew about izg-online.info

IZG Islamisches Zetrum Gütersloh Moschee Gütersloh Moslime Gütersloh

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Key Findings

We analyzed Izg-online.info page load time and found that the first response time was 559 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

izg-online.info performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value110 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.184

66/100

15%

TTI (Time to Interactive)

Value4.2 s

85/100

10%

Network Requests Diagram

www.izg-online.info

559 ms

layout.css

108 ms

main.css

214 ms

font.css

310 ms

web.css

533 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 79% of them (65 requests) were addressed to the original Izg-online.info, 18% (15 requests) were made to Cdn.website-start.de and 2% (2 requests) were made to 108.sb.mywebsite-editor.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Izg-online.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 159.0 kB (4%)

Content Size

3.6 MB

After Optimization

3.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Izg-online.info main page is 3.6 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. 40% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 47.9 kB

  • Original 56.5 kB
  • After minification 53.8 kB
  • After compression 8.6 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 47.9 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 91.3 kB

  • Original 3.5 MB
  • After minification 3.4 MB

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. Izg Online images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 18.9 kB

  • Original 38.7 kB
  • After minification 38.7 kB
  • After compression 19.7 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 18.9 kB or 49% of the original size.

CSS Optimization

-25%

Potential reduce by 843 B

  • Original 3.4 kB
  • After minification 3.4 kB
  • After compression 2.5 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. Izg-online.info needs all CSS files to be minified and compressed as it can save up to 843 B or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (37%)

Requests Now

81

After Optimization

51

  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Izg Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

izg-online.info accessibility score

67

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

izg-online.info best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

Page has valid source maps

SEO Factors

izg-online.info SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

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 Izg-online.info 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 Izg-online.info 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 Izg Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: