Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

cs-koblenz.de

cs-koblenz.de

Page Load Speed

653 ms in total

First Response

287 ms

Resources Loaded

298 ms

Page Rendered

68 ms

cs-koblenz.de screenshot

About Website

Welcome to cs-koblenz.de homepage info - get ready to check Cs Koblenz best content right away, or after learning these important things about cs-koblenz.de

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Key Findings

We analyzed Cs-koblenz.de page load time and found that the first response time was 287 ms and then it took 366 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster. This domain responded with an error, which can significantly jeopardize Cs-koblenz.de rating and web reputation

Performance Metrics

cs-koblenz.de performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value2.7 s

85/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

cs-koblenz.de

287 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Cs-koblenz.de and no external sources were called. The less responsive or slowest element that took the longest time to load (287 ms) belongs to the original domain Cs-koblenz.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 441 B (78%)

Content Size

566 B

After Optimization

125 B

In fact, the total size of Cs-koblenz.de main page is 566 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 566 B which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 441 B

  • Original 566 B
  • After minification 168 B
  • After compression 125 B

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 398 B, which is 70% 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 441 B or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

cs-koblenz.de accessibility score

92

Accessibility Issues

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

Best Practices

cs-koblenz.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cs-koblenz.de SEO score

92

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

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

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cs-koblenz.de can be misinterpreted by Google and other search engines. Our service has detected that English 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 Cs-koblenz.de main page’s claimed encoding is . 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

Open Graph description is not detected on the main page of Cs Koblenz. 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: