Tools & Wizards About Us

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

gitarrenunterricht-koeln.jimdo.com

Gitarrenunterricht Köln - privat, günstig & fantastisch

Page Load Speed

3.1 sec in total

First Response

501 ms

Resources Loaded

2.2 sec

Page Rendered

351 ms

About Website

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Visit gitarrenunterricht-koeln.jimdo.com

Key Findings

We analyzed Gitarrenunterricht-koeln.jimdo.com page load time and found that the first response time was 501 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

gitarrenunterricht-koeln.jimdo.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value470 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.358

30/100

15%

TTI (Time to Interactive)

Value10.5 s

24/100

10%

Network Requests Diagram

gitarrenunterricht-koeln.jimdofree.com

501 ms

ckies.js.21e1c9991ba0f92e1741.js

60 ms

cookieControl.js.b2ff62ba29d9650611c5.js

57 ms

layout.css

383 ms

ownbgr.css.72b304e248c5b0dc046b611c132c3ad2.css

58 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Gitarrenunterricht-koeln.jimdo.com, 23% (7 requests) were made to Fonts.jimstatic.com and 23% (7 requests) were made to Image.jimcdn.com. The less responsive or slowest element that took the longest time to load (501 ms) relates to the external source Gitarrenunterricht-koeln.jimdofree.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 234.3 kB (10%)

Content Size

2.4 MB

After Optimization

2.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gitarrenunterricht-koeln.jimdo.com main page is 2.4 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. 60% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 104.3 kB

  • Original 139.1 kB
  • After minification 130.7 kB
  • After compression 34.9 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 104.3 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 833 B

  • Original 1.6 MB
  • After minification 1.6 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. Gitarrenunterricht Koeln Jimdo images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 127.4 kB

  • Original 628.9 kB
  • After minification 628.9 kB
  • After compression 501.5 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 127.4 kB or 20% of the original size.

CSS Optimization

-3%

Potential reduce by 1.8 kB

  • Original 63.5 kB
  • After minification 63.5 kB
  • After compression 61.6 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. Gitarrenunterricht-koeln.jimdo.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (43%)

Requests Now

23

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gitarrenunterricht Koeln Jimdo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

gitarrenunterricht-koeln.jimdo.com accessibility score

81

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

gitarrenunterricht-koeln.jimdo.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

gitarrenunterricht-koeln.jimdo.com SEO score

86

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

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 Gitarrenunterricht-koeln.jimdo.com 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 Gitarrenunterricht-koeln.jimdo.com 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 Gitarrenunterricht Koeln Jimdo. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: