Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

lensbase.de

Contact Lenses Online in Ireland | Vision Direct Ireland

Page Load Speed

6.1 sec in total

First Response

1.1 sec

Resources Loaded

3.5 sec

Page Rendered

1.6 sec

About Website

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

Buy contact lenses up to 45% cheaper at Vision Direct & enjoy super fast delivery. Ireland's no.1 for contacts, eye care & contact lens solutions online.

Visit lensbase.de

Key Findings

We analyzed Lensbase.de page load time and found that the first response time was 1.1 sec and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

lensbase.de performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value1,450 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.122

84/100

15%

TTI (Time to Interactive)

Value17.6 s

4/100

10%

Network Requests Diagram

www.visiondirect.ie

1063 ms

8wtr2um9cr.jsonp

118 ms

E-v1.js

195 ms

global.css

150 ms

homePage.css

124 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Lensbase.de, 31% (20 requests) were made to Visiondirect.ie and 6% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Visiondirect.ie.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (62%)

Content Size

1.7 MB

After Optimization

644.0 kB

In fact, the total size of Lensbase.de main page is 1.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 679.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 546.8 kB

  • Original 668.5 kB
  • After minification 469.5 kB
  • After compression 121.7 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 198.9 kB, which is 30% 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 546.8 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 184.8 kB
  • After minification 184.8 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. Lensbase images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 475.8 kB

  • Original 679.9 kB
  • After minification 679.9 kB
  • After compression 204.1 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 475.8 kB or 70% of the original size.

CSS Optimization

-7%

Potential reduce by 9.3 kB

  • Original 142.7 kB
  • After minification 142.7 kB
  • After compression 133.4 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. Lensbase.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (53%)

Requests Now

55

After Optimization

26

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lensbase. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lensbase.de accessibility score

89

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

lensbase.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

lensbase.de SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lensbase.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Lensbase.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

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