Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

linsenfee.de

Edler Optik – Ihr Optiker in Esslingen

Page Load Speed

3.9 sec in total

First Response

660 ms

Resources Loaded

2.8 sec

Page Rendered

367 ms

linsenfee.de screenshot

About Website

Click here to check amazing Linsenfee content. Otherwise, check out these important facts you probably never knew about linsenfee.de

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Key Findings

We analyzed Linsenfee.de page load time and found that the first response time was 660 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

linsenfee.de performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.7 s

100/100

25%

SI (Speed Index)

Value0.7 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

linsenfee.de

660 ms

stylesheet.css

205 ms

jquery-1.3.2.min.js

415 ms

jquery.dimensions.pack.js

208 ms

jquery.corner.js

210 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 95% of them (36 requests) were addressed to the original Linsenfee.de, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Linsenfee.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 693.1 kB (67%)

Content Size

1.0 MB

After Optimization

345.7 kB

In fact, the total size of Linsenfee.de main page is 1.0 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. 20% of websites need less resources to load. Images take 832.1 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 74.7 kB

  • Original 81.2 kB
  • After minification 74.9 kB
  • After compression 6.5 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. 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 74.7 kB or 92% of the original size.

Image Optimization

-65%

Potential reduce by 539.4 kB

  • Original 832.1 kB
  • After minification 292.7 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. Obviously, Linsenfee needs image optimization as it can save up to 539.4 kB or 65% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-55%

Potential reduce by 49.7 kB

  • Original 90.9 kB
  • After minification 84.6 kB
  • After compression 41.1 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 49.7 kB or 55% of the original size.

CSS Optimization

-84%

Potential reduce by 29.2 kB

  • Original 34.6 kB
  • After minification 21.9 kB
  • After compression 5.4 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. Linsenfee.de needs all CSS files to be minified and compressed as it can save up to 29.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (35%)

Requests Now

37

After Optimization

24

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Linsenfee. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

linsenfee.de accessibility score

79

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

Best Practices

linsenfee.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

SEO Factors

linsenfee.de SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Linsenfee.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 Linsenfee.de main page’s claimed encoding is iso-8859-1. 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 Linsenfee. 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: