Tools & Wizards About Us
virtualaltair.com screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

virtualaltair.com

virtualaltair.com Virtual Altair Museum MITS / Pertec / icom Microperipherals /Altair 8800 /Altair 8800a / Altair 8800b / Altair 8800b Turnkey / icom ...

Page Load Speed

1.3 sec in total

First Response

496 ms

Resources Loaded

683 ms

Page Rendered

170 ms

virtualaltair.com screenshot

About Website

Visit virtualaltair.com now to see the best up-to-date Virtual Altair content and also check out these interesting facts you probably never knew about virtualaltair.com

The Virtual Altair Museum contains information about the Altair 8800, Altair 8800a, Altair 8800b, Altair 8800b Turnkey, icom Attache, Altair 680b, Altair 680b Turnkey, icom CP6800, Altair8800b-sm, Alt...

Visit virtualaltair.com

Key Findings

We analyzed Virtualaltair.com page load time and found that the first response time was 496 ms and then it took 853 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

virtualaltair.com performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value1.0 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

virtualaltair.com

496 ms

ga.js

7 ms

MITS-Logo-3.jpg

174 ms

Altair_Microcomputers.jpg

234 ms

8800-MB-2.jpg

178 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 57% of them (8 requests) were addressed to the original Virtualaltair.com, 14% (2 requests) were made to Google-analytics.com and 7% (1 request) were made to Counters.honesty.com. The less responsive or slowest element that took the longest time to load (496 ms) belongs to the original domain Virtualaltair.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.6 kB (33%)

Content Size

294.1 kB

After Optimization

197.5 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Virtualaltair.com main page is 294.1 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. 20% of websites need less resources to load. Images take 224.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 18.6 kB

  • Original 22.9 kB
  • After minification 22.1 kB
  • After compression 4.3 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 18.6 kB or 81% of the original size.

Image Optimization

-22%

Potential reduce by 48.9 kB

  • Original 224.9 kB
  • After minification 176.0 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. Obviously, Virtual Altair needs image optimization as it can save up to 48.9 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 29.1 kB

  • Original 46.3 kB
  • After minification 46.3 kB
  • After compression 17.1 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 29.1 kB or 63% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Virtual Altair. According to our analytics all requests are already optimized.

Network Requests Diagram

virtualaltair.com

virtualaltair.com

496 ms

ga.js

ga.js

7 ms

MITS-Logo-3.jpg

MITS-Logo-3.jpg

174 ms

Altair_Microcomputers.jpg

Altair_Microcomputers.jpg

234 ms

8800-MB-2.jpg

8800-MB-2.jpg

178 ms

classiccomputing%20shapeimage_2.png

classiccomputing%20shapeimage_2.png

179 ms

__utm.gif

__utm.gif

12 ms

honesty-counter.cgi

honesty-counter.cgi

27 ms

i.gif

i.gif

9 ms

s10.g

s10.g

12 ms

s11.g

s11.g

28 ms

TS%20Card.jpg

TS%20Card.jpg

187 ms

ageofaltair.jpg

ageofaltair.jpg

123 ms

oes.gif

oes.gif

177 ms

Accessibility Review

virtualaltair.com accessibility score

63

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

virtualaltair.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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

virtualaltair.com SEO score

69

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Virtualaltair.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 Virtualaltair.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.

Social Sharing Optimization

virtualaltair.com

Open Graph description is not detected on the main page of Virtual Altair. 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: