Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

visionaid.com

VisionAid International Ltd - Manufacturers of advanced low vision blindness reading aids

Page Load Speed

1.3 sec in total

First Response

375 ms

Resources Loaded

798 ms

Page Rendered

148 ms

visionaid.com screenshot

About Website

Click here to check amazing Vision Aid content for Italy. Otherwise, check out these important facts you probably never knew about visionaid.com

Products designed and manufactured by VisionAid International Ltd made to help make reading easier and faster than ever before for people who have low vision or are blind.

Visit visionaid.com

Key Findings

We analyzed Visionaid.com page load time and found that the first response time was 375 ms and then it took 946 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

visionaid.com performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.1 s

99/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

74/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value5,310 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.059

98/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

visionaid.com

375 ms

1024_normal.css

121 ms

visionaid-international-white-stroke.jpg

284 ms

Kitchen-Unit.jpg

391 ms

bgd-header-normal.jpg

95 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that all of those requests were addressed to Visionaid.com and no external sources were called. The less responsive or slowest element that took the longest time to load (391 ms) belongs to the original domain Visionaid.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.6 kB (19%)

Content Size

112.1 kB

After Optimization

90.5 kB

In fact, the total size of Visionaid.com main page is 112.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 89.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 5.7 kB

  • Original 7.4 kB
  • After minification 5.6 kB
  • After compression 1.8 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 1.9 kB, which is 25% 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 5.7 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 2.9 kB

  • Original 89.8 kB
  • After minification 86.8 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. Vision Aid images are well optimized though.

CSS Optimization

-87%

Potential reduce by 13.0 kB

  • Original 14.9 kB
  • After minification 10.8 kB
  • After compression 1.9 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. Visionaid.com needs all CSS files to be minified and compressed as it can save up to 13.0 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (69%)

Requests Now

13

After Optimization

4

The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vision Aid. 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.

Accessibility Review

visionaid.com accessibility score

90

Accessibility Issues

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

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>).

High

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

Best Practices

visionaid.com 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

SEO Factors

visionaid.com SEO score

67

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Visionaid.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Visionaid.com main page’s claimed encoding is . 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 Vision Aid. 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: