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ref.de screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

ref.de

Crew — 100% Free Fully Responsive HTML5 Template by FREEHTML5.co

Page Load Speed

1.4 sec in total

First Response

329 ms

Resources Loaded

808 ms

Page Rendered

230 ms

ref.de screenshot

About Website

Welcome to ref.de homepage info - get ready to check Ref best content right away, or after learning these important things about ref.de

Free HTML5 Template by FREEHTML5.CO

Visit ref.de

Key Findings

We analyzed Ref.de page load time and found that the first response time was 329 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

ref.de performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value4.9 s

66/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.95

3/100

15%

TTI (Time to Interactive)

Value6.1 s

64/100

10%

Network Requests Diagram

ref.de

329 ms

startseite2.jpg

291 ms

startseite2.jpg

189 ms

Our browser made a total of 3 requests to load all elements on the main page. We found that all of those requests were addressed to Ref.de and no external sources were called. The less responsive or slowest element that took the longest time to load (329 ms) belongs to the original domain Ref.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 527 B (3%)

Content Size

19.4 kB

After Optimization

18.9 kB

  • HTML
  • Images

In fact, the total size of Ref.de main page is 19.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 18.6 kB which makes up the majority of the site volume.

HTML Optimization

-34%

Potential reduce by 285 B

  • Original 827 B
  • After minification 814 B
  • After compression 542 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. 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 285 B or 34% of the original size.

Image Optimization

-1%

Potential reduce by 242 B

  • Original 18.6 kB
  • After minification 18.3 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. Ref images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • Images

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ref. According to our analytics all requests are already optimized.

Network Requests Diagram

ref.de

ref.de

329 ms

startseite2.jpg

startseite2.jpg

291 ms

startseite2.jpg

startseite2.jpg

189 ms

Accessibility Review

ref.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.

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

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

Links do not have a discernible name

Best Practices

ref.de best practices score

83

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

Page has valid source maps

SEO Factors

ref.de SEO score

100

Search Engine Optimization Advices

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ref.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 Ref.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

ref.de

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