Tools & Wizards About Us

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

lvi.se

LVI erbjuder fantastiska hjälpmedel till personer med synnedsättning.

Page Load Speed

3.6 sec in total

First Response

268 ms

Resources Loaded

2.6 sec

Page Rendered

712 ms

About Website

Visit lvi.se now to see the best up-to-date LVI content and also check out these interesting facts you probably never knew about lvi.se

LVI Low Vision International tillverkar hjälpmedel för personer med synnedsättning. Med innovativa produkter i världsklass gör vi din vardag enklare!

Visit lvi.se

Key Findings

We analyzed Lvi.se page load time and found that the first response time was 268 ms and then it took 3.3 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

lvi.se performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

38/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value930 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.124

83/100

15%

TTI (Time to Interactive)

Value13.0 s

13/100

10%

Network Requests Diagram

lvi.se

268 ms

lvi.se

1100 ms

api.js

82 ms

wm3-public-c1b6185d1dc310affbe9010955a74b9e542b9119d7a135b59b8eb181244d7e30.js

167 ms

wm3-public-webshop-26fc86f9646d2f7244b8627059b0285324bb94b19f5d4999dcebada87196d339.js

241 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 8% of them (5 requests) were addressed to the original Lvi.se, 45% (30 requests) were made to S3-eu-west-1.amazonaws.com and 8% (5 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Lvi.se.

Page Optimization Overview & Recommendations

Page size can be reduced by 248.9 kB (9%)

Content Size

2.7 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lvi.se main page is 2.7 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. 65% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 62.7 kB

  • Original 81.0 kB
  • After minification 70.2 kB
  • After compression 18.4 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. This page needs HTML code to be minified as it can gain 10.9 kB, which is 13% 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 62.7 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 31.8 kB

  • Original 2.1 MB
  • After minification 2.1 MB

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. LVI images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 83.8 kB

  • Original 406.6 kB
  • After minification 406.6 kB
  • After compression 322.8 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 83.8 kB or 21% of the original size.

CSS Optimization

-61%

Potential reduce by 70.6 kB

  • Original 116.4 kB
  • After minification 115.9 kB
  • After compression 45.7 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. Lvi.se needs all CSS files to be minified and compressed as it can save up to 70.6 kB or 61% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (57%)

Requests Now

60

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LVI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

lvi.se accessibility score

95

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

lvi.se 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

lvi.se SEO score

99

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    SV

  • Language Claimed

    SV

  • Encoding

    UTF-8

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