2.5 sec in total
767 ms
1.6 sec
109 ms
Welcome to vision3d.com homepage info - get ready to check Vision 3D best content for United States right away, or after learning these important things about vision3d.com
Why Some People Can't See Avatar Movie in 3D, How to See 3-D Eye Exercises, Magic Eye 3D, Stereograms, Stereoviews, Games, Puzzles,
Visit vision3d.comWe analyzed Vision3d.com page load time and found that the first response time was 767 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
vision3d.com performance score
name
value
score
weighting
Value4.0 s
22/100
10%
Value4.9 s
28/100
25%
Value4.0 s
80/100
10%
Value410 ms
66/100
30%
Value0.138
79/100
15%
Value9.6 s
29/100
10%
767 ms
183 ms
44 ms
83 ms
85 ms
Our browser made a total of 15 requests to load all elements on the main page. We found that 73% of them (11 requests) were addressed to the original Vision3d.com, 20% (3 requests) were made to Google-analytics.com and 7% (1 request) were made to Optometrists.org. The less responsive or slowest element that took the longest time to load (767 ms) belongs to the original domain Vision3d.com.
Page size can be reduced by 13.1 kB (39%)
33.5 kB
20.3 kB
In fact, the total size of Vision3d.com main page is 33.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only 10% of websites need less resources to load. Javascripts take 17.2 kB which makes up the majority of the site volume.
Potential reduce by 13.1 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 13.1 kB or 80% of the original size.
Potential reduce by 34 B
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.
We found no issues to fix!
13
13
The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vision 3D. According to our analytics all requests are already optimized.
vision3d.com
767 ms
www.vision3d.com
183 ms
navbar_update.gif
44 ms
3dvision.gif
83 ms
pixel.gif
85 ms
VT_link.gif
77 ms
health.gif
76 ms
DrTryIt3.gif
101 ms
commended.gif
103 ms
cms_icon2.gif
124 ms
navbar_update.gif
691 ms
px_clear.gif
178 ms
ga.js
28 ms
__utm.gif
11 ms
__utm.gif
21 ms
vision3d.com accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
vision3d.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
vision3d.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
Document uses legible font sizes
EN
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vision3d.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 Vision3d.com 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.
vision3d.com
Open Graph description is not detected on the main page of Vision 3D. 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: