Tools & Wizards About Us
retrocosm.net screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

retrocosm.net

Retrocosm's Vintage Computing, Tech & Scale RC Blog | Random mutterings on retro computing, music, plus radio controlled scale modelling.

Page Load Speed

1.4 sec in total

First Response

10 ms

Resources Loaded

696 ms

Page Rendered

698 ms

retrocosm.net screenshot

About Website

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

Random mutterings on retro computing, music, plus radio controlled scale modelling.

Visit retrocosm.net

Key Findings

We analyzed Retrocosm.net page load time and found that the first response time was 10 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

retrocosm.net performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

47/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.036

100/100

15%

TTI (Time to Interactive)

Value13.8 s

10/100

10%

Network Requests Diagram

retrocosm.net

10 ms

retrocosm.net

27 ms

infinity.css

95 ms

style.css

113 ms

104 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 5% of them (5 requests) were addressed to the original Retrocosm.net, 43% (40 requests) were made to I0.wp.com and 12% (11 requests) were made to S4.bcbits.com. The less responsive or slowest element that took the longest time to load (452 ms) relates to the external source Platform.twitter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 151.4 kB (9%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Retrocosm.net main page is 1.8 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 136.0 kB

  • Original 163.4 kB
  • After minification 159.0 kB
  • After compression 27.4 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 136.0 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 14.5 kB

  • Original 1.5 MB
  • After minification 1.5 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. Retrocosm images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 699 B

  • Original 70.6 kB
  • After minification 70.6 kB
  • After compression 69.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 283 B

  • Original 21.4 kB
  • After minification 21.4 kB
  • After compression 21.1 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. Retrocosm.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 36 (42%)

Requests Now

86

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Retrocosm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

retrocosm.net

retrocosm.net

10 ms

retrocosm.net

retrocosm.net

27 ms

infinity.css

infinity.css

95 ms

style.css

style.css

113 ms

104 ms

123 ms

112 ms

css

css

141 ms

css

css

141 ms

117 ms

global.css

global.css

109 ms

125 ms

hovercards.min.js

hovercards.min.js

123 ms

wpgroho.js

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105 ms

115 ms

122 ms

widgets.js

widgets.js

452 ms

carousel-wpcom.js

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122 ms

w.js

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121 ms

bilmur.min.js

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216 ms

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3 ms

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72 ms

332 ms

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212 ms

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221 ms

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165 ms

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216 ms

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218 ms

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139 ms

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174 ms

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199 ms

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199 ms

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106 ms

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106 ms

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47 ms

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53 ms

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65 ms

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70 ms

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65 ms

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17 ms

Accessibility Review

retrocosm.net accessibility score

94

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

retrocosm.net best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

retrocosm.net SEO score

90

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

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Retrocosm.net 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 Retrocosm.net 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

retrocosm.net

Open Graph data is detected on the main page of Retrocosm. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: