Tools & Wizards About Us
olfs-online.de screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

olfs-online.de

Top Online Casinos Deutschland im Test der besten Angebote

Page Load Speed

16.8 sec in total

First Response

518 ms

Resources Loaded

15.8 sec

Page Rendered

451 ms

olfs-online.de screenshot

About Website

Visit olfs-online.de now to see the best up-to-date Olfs Online content and also check out these interesting facts you probably never knew about olfs-online.de

Visit olfs-online.de

Key Findings

We analyzed Olfs-online.de page load time and found that the first response time was 518 ms and then it took 16.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

olfs-online.de performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.064

97/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

olfs-online.de

518 ms

back-stalag02.gif

221 ms

33900mr02.jpg

333 ms

pops.js

297 ms

wappenkl.gif

218 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 79% of them (11 requests) were addressed to the original Olfs-online.de, 14% (2 requests) were made to Interaktiv.infinicom.de and 7% (1 request) were made to Img.web.de. The less responsive or slowest element that took the longest time to load (518 ms) belongs to the original domain Olfs-online.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.1 kB (21%)

Content Size

258.9 kB

After Optimization

204.8 kB

  • HTML
  • Images

In fact, the total size of Olfs-online.de main page is 258.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 197.1 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 53.2 kB

  • Original 61.8 kB
  • After minification 46.0 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. This page needs HTML code to be minified as it can gain 15.8 kB, which is 26% 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 53.2 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 853 B

  • Original 197.1 kB
  • After minification 196.2 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. Olfs Online images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Olfs Online. According to our analytics all requests are already optimized.

Network Requests Diagram

olfs-online.de

olfs-online.de

518 ms

back-stalag02.gif

back-stalag02.gif

221 ms

33900mr02.jpg

33900mr02.jpg

333 ms

pops.js

pops.js

297 ms

wappenkl.gif

wappenkl.gif

218 ms

leer.gif

leer.gif

219 ms

feldarbeit-historisch1.jpg

feldarbeit-historisch1.jpg

418 ms

feldarbeit6.jpg

feldarbeit6.jpg

340 ms

historisch2.jpg

historisch2.jpg

354 ms

1%20(8).jpg

1%20(8).jpg

369 ms

tn_gd03.jpg

tn_gd03.jpg

347 ms

Bockschaft.jpg

Bockschaft.jpg

300 ms

napping.gif

napping.gif

212 ms

476 ms

Accessibility Review

olfs-online.de accessibility score

60

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

Image elements do not have [alt] attributes

Best Practices

olfs-online.de best practices score

58

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

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

olfs-online.de SEO score

54

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Olfs-online.de 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 Olfs-online.de main page’s claimed encoding is windows-1252. 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

olfs-online.de

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