Tools & Wizards About Us
deafvision.net screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

deafvision.net

DeafVision Web Site Hosting and Design Services (Deaf Owned Business)

Page Load Speed

347 ms in total

First Response

114 ms

Resources Loaded

173 ms

Page Rendered

60 ms

deafvision.net screenshot

About Website

Visit deafvision.net now to see the best up-to-date Deaf Vision content for United States and also check out these interesting facts you probably never knew about deafvision.net

San Francisco based DeafVision provides reliable, secure, professional web site hosting and web design services. A Deaf minority owned and operated company.

Visit deafvision.net

Key Findings

We analyzed Deafvision.net page load time and found that the first response time was 114 ms and then it took 233 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

deafvision.net performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.7 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.7 s

100/100

10%

Network Requests Diagram

deafvision.net

114 ms

urchin.js

7 ms

circle_a.gif

48 ms

__utm.gif

4 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 50% of them (2 requests) were addressed to the original Deafvision.net, 50% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (114 ms) belongs to the original domain Deafvision.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 17.7 kB (72%)

Content Size

24.6 kB

After Optimization

6.8 kB

  • HTML
  • JavaScript

In fact, the total size of Deafvision.net main page is 24.6 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 5% of websites need less resources to load. Javascripts take 22.7 kB which makes up the majority of the site volume.

HTML Optimization

-50%

Potential reduce by 947 B

  • Original 1.9 kB
  • After minification 1.9 kB
  • After compression 942 B

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 947 B or 50% of the original size.

JavaScript Optimization

-74%

Potential reduce by 16.8 kB

  • Original 22.7 kB
  • After minification 19.1 kB
  • After compression 5.9 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 16.8 kB or 74% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images
  • JavaScript

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Deaf Vision. According to our analytics all requests are already optimized.

Network Requests Diagram

deafvision.net

deafvision.net

114 ms

urchin.js

urchin.js

7 ms

circle_a.gif

circle_a.gif

48 ms

__utm.gif

__utm.gif

4 ms

Accessibility Review

deafvision.net accessibility score

91

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

Best Practices

deafvision.net best practices score

67

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

deafvision.net 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 Deafvision.net 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 Deafvision.net 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

deafvision.net

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