Tools & Wizards About Us
lowvisionsimulationkit.com screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

lowvisionsimulationkit.com

Zimmerman Low Vision Simulation Kit - Zimmerman Low Vision Simulation Kit

Page Load Speed

710 ms in total

First Response

38 ms

Resources Loaded

194 ms

Page Rendered

478 ms

lowvisionsimulationkit.com screenshot

About Website

Visit lowvisionsimulationkit.com now to see the best up-to-date Low Vision Simulation Kit content and also check out these interesting facts you probably never knew about lowvisionsimulationkit.com

Zimmerman Low Vision Simulation Kit helps those who have wanted to better understand low vision. <script type="text/javascript"> var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-39240836-1']); _g...

Visit lowvisionsimulationkit.com

Key Findings

We analyzed Lowvisionsimulationkit.com page load time and found that the first response time was 38 ms and then it took 672 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

lowvisionsimulationkit.com performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value3.2 s

94/100

10%

Network Requests Diagram

lowvisionsimulationkit.com

38 ms

lowvisionsimulationkit.com

18 ms

mc_global.195798.css

28 ms

theme.css

29 ms

turbify_ss_extensions_1675321208.js

31 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 68% of them (21 requests) were addressed to the original Lowvisionsimulationkit.com, 16% (5 requests) were made to S.turbifycdn.com and 6% (2 requests) were made to Turbifycdn.com. The less responsive or slowest element that took the longest time to load (100 ms) relates to the external source Turbifycdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 193.3 kB (8%)

Content Size

2.5 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lowvisionsimulationkit.com main page is 2.5 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. 55% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-30%

Potential reduce by 87.5 kB

  • Original 291.9 kB
  • After minification 291.8 kB
  • After compression 204.4 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 87.5 kB or 30% of the original size.

Image Optimization

-5%

Potential reduce by 104.5 kB

  • Original 2.1 MB
  • After minification 2.0 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. Low Vision Simulation Kit images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 421 B

  • Original 103.8 kB
  • After minification 103.8 kB
  • After compression 103.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-17%

Potential reduce by 960 B

  • Original 5.5 kB
  • After minification 5.5 kB
  • After compression 4.6 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. Lowvisionsimulationkit.com needs all CSS files to be minified and compressed as it can save up to 960 B or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (21%)

Requests Now

28

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Low Vision Simulation Kit. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

lowvisionsimulationkit.com

lowvisionsimulationkit.com

38 ms

lowvisionsimulationkit.com

lowvisionsimulationkit.com

18 ms

mc_global.195798.css

mc_global.195798.css

28 ms

theme.css

theme.css

29 ms

turbify_ss_extensions_1675321208.js

turbify_ss_extensions_1675321208.js

31 ms

turbify_ss_extensions_1675321208.js

turbify_ss_extensions_1675321208.js

26 ms

hcontent.jpg

hcontent.jpg

100 ms

NewZLVSKLogo3.30673747.jpg

NewZLVSKLogo3.30673747.jpg

16 ms

9k=

9k=

11 ms

ga.js

ga.js

24 ms

FB.81153252_std.jpg

FB.81153252_std.jpg

5 ms

Priceincrese%202024.jpg

Priceincrese%202024.jpg

11 ms

MultiwordLVSK%20Ad.jpg

MultiwordLVSK%20Ad.jpg

15 ms

IMG_1021.jpeg

IMG_1021.jpeg

15 ms

IMG_1022.jpeg

IMG_1022.jpeg

15 ms

IMG_1024.jpeg

IMG_1024.jpeg

17 ms

IMG_1026.jpeg

IMG_1026.jpeg

12 ms

00395755.gif

00395755.gif

10 ms

FullSizeRender-5.204122247_std.jpg

FullSizeRender-5.204122247_std.jpg

13 ms

IMG_5006.204134626_std.JPG

IMG_5006.204134626_std.JPG

14 ms

ADA_Training_at_the_Fairmont_Hotel.6591820_std.jpg

ADA_Training_at_the_Fairmont_Hotel.6591820_std.jpg

17 ms

Hunter_Goggles_1.17660442_std.jpg

Hunter_Goggles_1.17660442_std.jpg

17 ms

Hunter_Goggles_2.17660521_std.jpg

Hunter_Goggles_2.17660521_std.jpg

15 ms

Hunter_goggles_6.11491033_std.jpg

Hunter_goggles_6.11491033_std.jpg

17 ms

Hunter_goggles3.11491102_std.jpg

Hunter_goggles3.11491102_std.jpg

17 ms

Hunter_goggles4.11491121_std.jpg

Hunter_goggles4.11491121_std.jpg

18 ms

Hunter_goggles_5.11491005_std.jpg

Hunter_goggles_5.11491005_std.jpg

18 ms

Hunter_Goggles_3.17660645_std.jpg

Hunter_Goggles_3.17660645_std.jpg

19 ms

analytics-social.gif

analytics-social.gif

9 ms

spacer.gif

spacer.gif

3 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

lowvisionsimulationkit.com accessibility score

90

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.

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

lowvisionsimulationkit.com 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

SEO Factors

lowvisionsimulationkit.com SEO score

77

Search Engine Optimization Advices

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 Lowvisionsimulationkit.com 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 Lowvisionsimulationkit.com 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

lowvisionsimulationkit.com

Open Graph description is not detected on the main page of Low Vision Simulation Kit. 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: