Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

kerana.de

Fliesenhandel und Natursteinhandel in Potsdam, Berlin und Brandenburg - Fliesengroßhandel, Natursteingroßhandel

Page Load Speed

6.3 sec in total

First Response

322 ms

Resources Loaded

4.3 sec

Page Rendered

1.7 sec

kerana.de screenshot

About Website

Visit kerana.de now to see the best up-to-date Kerana content for Germany and also check out these interesting facts you probably never knew about kerana.de

Kerana ist ein spezialisrter Fliesenhandel und Natursteinhandel in Berlin, Potsdam und Brandenburg Fliesenhändler, Natursteinhändler

Visit kerana.de

Key Findings

We analyzed Kerana.de page load time and found that the first response time was 322 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

kerana.de performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.364

29/100

15%

TTI (Time to Interactive)

Value33.8 s

0/100

10%

Network Requests Diagram

kerana.de

322 ms

kerana.de

418 ms

www.kerana.de

715 ms

all.css

700 ms

font-awesome-free.css

501 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 86% of them (43 requests) were addressed to the original Kerana.de, 6% (3 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Kerana.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (21%)

Content Size

9.9 MB

After Optimization

7.9 MB

In fact, the total size of Kerana.de main page is 9.9 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. 70% of websites need less resources to load. Images take 7.7 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 152.3 kB

  • Original 167.8 kB
  • After minification 86.7 kB
  • After compression 15.5 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 81.1 kB, which is 48% 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 152.3 kB or 91% of the original size.

Image Optimization

-5%

Potential reduce by 423.4 kB

  • Original 7.7 MB
  • After minification 7.3 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. Kerana images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 637.3 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 414.9 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 637.3 kB or 61% of the original size.

CSS Optimization

-89%

Potential reduce by 846.7 kB

  • Original 950.0 kB
  • After minification 843.9 kB
  • After compression 103.3 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. Kerana.de needs all CSS files to be minified and compressed as it can save up to 846.7 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (18%)

Requests Now

40

After Optimization

33

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kerana. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kerana.de accessibility score

75

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-*] attributes do not have valid values

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

Heading elements are not in a sequentially-descending order

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

kerana.de best practices score

83

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

kerana.de SEO score

81

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kerana.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is German. Our system also found out that Kerana.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 Kerana. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: