Tools & Wizards About Us
collisiondetection.net screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 51

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

collisiondetection.net

collision detection

Page Load Speed

3.2 sec in total

First Response

119 ms

Resources Loaded

1.1 sec

Page Rendered

2 sec

collisiondetection.net screenshot

About Website

Click here to check amazing Collision Detection content for United States. Otherwise, check out these important facts you probably never knew about collisiondetection.net

A weblog about politics, technology, and culture

Visit collisiondetection.net

Key Findings

We analyzed Collisiondetection.net page load time and found that the first response time was 119 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

collisiondetection.net performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

90/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value2,500 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value24.7 s

0/100

10%

Network Requests Diagram

collisiondetection.net

119 ms

styles.css

24 ms

ie.css

25 ms

get_num_replies_for_entry.js

26 ms

linkcount

91 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 21% of them (21 requests) were addressed to the original Collisiondetection.net, 31% (30 requests) were made to Static.cdninstagram.com and 17% (17 requests) were made to Disqus.com. The less responsive or slowest element that took the longest time to load (663 ms) relates to the external source Platform.twitter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 86.8 kB (7%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Collisiondetection.net main page is 1.3 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 942.4 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 72.6 kB

  • Original 104.6 kB
  • After minification 102.0 kB
  • After compression 32.0 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 72.6 kB or 69% of the original size.

Image Optimization

-1%

Potential reduce by 4.7 kB

  • Original 942.4 kB
  • After minification 937.6 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. Collision Detection images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.6 kB

  • Original 179.7 kB
  • After minification 179.7 kB
  • After compression 177.2 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

-10%

Potential reduce by 6.9 kB

  • Original 67.6 kB
  • After minification 65.6 kB
  • After compression 60.7 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. Collisiondetection.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 54 (59%)

Requests Now

91

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Collision Detection. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 49 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

collisiondetection.net

collisiondetection.net

119 ms

styles.css

styles.css

24 ms

ie.css

ie.css

25 ms

get_num_replies_for_entry.js

get_num_replies_for_entry.js

26 ms

linkcount

linkcount

91 ms

get_num_replies_for_entry.js

get_num_replies_for_entry.js

27 ms

collisiondetection_logo.gif

collisiondetection_logo.gif

24 ms

get_num_replies_for_entry.js

get_num_replies_for_entry.js

27 ms

get_num_replies_for_entry.js

get_num_replies_for_entry.js

22 ms

widgets.js

widgets.js

46 ms

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get_num_replies_for_entry.js

24 ms

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get_num_replies_for_entry.js

28 ms

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get_num_replies_for_entry.js

26 ms

get_num_replies_for_entry.js

get_num_replies_for_entry.js

29 ms

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31 ms

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1001videogames.jpg

48 ms

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tombraider2013.jpg

59 ms

conjectures.gif

conjectures.gif

47 ms

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57 ms

proustonasmartphone.gif

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47 ms

conjecturespicture.gif

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42 ms

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54 ms

womankissingmirror.gif

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118 ms

wiredlove.jpg

wiredlove.jpg

59 ms

get_num_replies_for_entry.js

get_num_replies_for_entry.js

28 ms

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37 ms

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39 ms

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get_num_replies_for_entry.js

38 ms

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37 ms

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40 ms

fakeads.jpg

fakeads.jpg

81 ms

costa-concordia.jpg

costa-concordia.jpg

82 ms

giglio-map1.jpg

giglio-map1.jpg

82 ms

cambridge-soundworks.jpg

cambridge-soundworks.jpg

81 ms

fan.jpg

fan.jpg

105 ms

smarterthanyouthinkforblog.jpg

smarterthanyouthinkforblog.jpg

97 ms

recent_comments_widget.js

recent_comments_widget.js

87 ms

somerights.gif

somerights.gif

563 ms

counter.js

counter.js

4 ms

collisiondetection_footer.gif

collisiondetection_footer.gif

73 ms

typepad.js

typepad.js

114 ms

pomeranian99.json

pomeranian99.json

124 ms

twitter_bg.gif

twitter_bg.gif

16 ms

3BROfhjCycY

3BROfhjCycY

146 ms

avatar92.jpg

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36 ms

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15 ms

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20 ms

9294061

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164 ms

434 ms

ga.js

ga.js

7 ms

get_num_replies.js

get_num_replies.js

54 ms

__utm.gif

__utm.gif

27 ms

www-player.css

www-player.css

5 ms

www-embed-player.js

www-embed-player.js

25 ms

base.js

base.js

55 ms

45629775-587a1fd22f361bf81e53bd8fd6d50c9f4fa8dea578c115f513805eea9819e52f-d

45629775-587a1fd22f361bf81e53bd8fd6d50c9f4fa8dea578c115f513805eea9819e52f-d

327 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

663 ms

ad_status.js

ad_status.js

175 ms

g5saOrWd5AVQT1PIm0b70pTp6wPS0RyhX4bW13q4Oa8.js

g5saOrWd5AVQT1PIm0b70pTp6wPS0RyhX4bW13q4Oa8.js

123 ms

embed.js

embed.js

36 ms

Ex3Fg90wgb0.css

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53 ms

njFNWWC0Dps.css

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146 ms

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157 ms

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156 ms

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242 ms

Create

Create

109 ms

id

id

240 ms

somerights.gif

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220 ms

299333682_756569445615417_9017794806736793731_n.jpg

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90 ms

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147 ms

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146 ms

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150 ms

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32 ms

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114 ms

GenerateIT

GenerateIT

96 ms

Accessibility Review

collisiondetection.net accessibility score

51

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

High

<object> elements do not have alternate text

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

collisiondetection.net 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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

collisiondetection.net SEO score

62

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

High

Document uses plugins

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

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

collisiondetection.net

Open Graph description is not detected on the main page of Collision Detection. 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: