Tools & Wizards About Us

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

lensonlineshop.de

Brillen Online Shop – Fassungen vieler Marken online kaufen

Page Load Speed

3.6 sec in total

First Response

202 ms

Resources Loaded

2.9 sec

Page Rendered

462 ms

About Website

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

Brillen Online Shop ✔ Über 5000 Marken Brillen und Sonnenbrillen sowie günstige Brillengläser ✔ Jetzt online preiswert kaufen ✔ Kauf auf Rechnung

Visit lensonlineshop.de

Key Findings

We analyzed Lensonlineshop.de page load time and found that the first response time was 202 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

lensonlineshop.de performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value7.1 s

52/100

10%

Network Requests Diagram

lensonlineshop.de

202 ms

lensonlineshop.de

415 ms

www.lensonlineshop.de

684 ms

x_css_pg_1712237884.php

204 ms

x_js_pg_1709196925.php

819 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 12% of them (7 requests) were addressed to the original Lensonlineshop.de, 65% (39 requests) were made to Img.lensonlineshop.de and 20% (12 requests) were made to Pic.lensonlineshop.de. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Img.lensonlineshop.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 107.5 kB (11%)

Content Size

1.0 MB

After Optimization

915.7 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Lensonlineshop.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. 35% of websites need less resources to load. Images take 869.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 54.2 kB

  • Original 70.5 kB
  • After minification 67.7 kB
  • After compression 16.4 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 54.2 kB or 77% of the original size.

Image Optimization

-6%

Potential reduce by 49.5 kB

  • Original 869.9 kB
  • After minification 820.4 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. Lens Online Shop images are well optimized though.

CSS Optimization

-5%

Potential reduce by 3.8 kB

  • Original 82.7 kB
  • After minification 82.7 kB
  • After compression 78.9 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. Lensonlineshop.de has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

55

After Optimization

55

  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lens Online Shop. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

lensonlineshop.de accessibility score

67

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

[id] attributes on active, focusable elements are not unique

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

lensonlineshop.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

lensonlineshop.de SEO score

77

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

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lensonlineshop.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 Lensonlineshop.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 data is detected on the main page of Lens Online Shop. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: