Tools & Wizards About Us
answers.gazebosim.org screenshot

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

answers.gazebosim.org

Questions - Gazebo: Q&A Forum

Page Load Speed

2.8 sec in total

First Response

1.1 sec

Resources Loaded

1.5 sec

Page Rendered

245 ms

answers.gazebosim.org screenshot

About Website

Welcome to answers.gazebosim.org homepage info - get ready to check Answers Gazebo Sim best content for New Zealand right away, or after learning these important things about answers.gazebosim.org

Open source question and answer forum for Gazebo

Visit answers.gazebosim.org

Key Findings

We analyzed Answers.gazebosim.org page load time and found that the first response time was 1.1 sec 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.

Performance Metrics

answers.gazebosim.org performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value4.4 s

83/100

10%

Network Requests Diagram

1117 ms

ac19d44ebac7.css

118 ms

css

24 ms

css

34 ms

modernizr.custom.js

5 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 57% of them (21 requests) were addressed to the original Answers.gazebosim.org, 38% (14 requests) were made to Gravatar.com and 5% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Answers.gazebosim.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 563.2 kB (76%)

Content Size

737.8 kB

After Optimization

174.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Answers.gazebosim.org main page is 737.8 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. 30% of websites need less resources to load. Javascripts take 352.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 63.8 kB

  • Original 74.3 kB
  • After minification 69.4 kB
  • After compression 10.5 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 63.8 kB or 86% of the original size.

Image Optimization

-28%

Potential reduce by 17.9 kB

  • Original 64.7 kB
  • After minification 46.7 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, Answers Gazebo Sim needs image optimization as it can save up to 17.9 kB or 28% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-77%

Potential reduce by 272.9 kB

  • Original 352.4 kB
  • After minification 270.3 kB
  • After compression 79.5 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 272.9 kB or 77% of the original size.

CSS Optimization

-85%

Potential reduce by 208.6 kB

  • Original 246.4 kB
  • After minification 200.5 kB
  • After compression 37.8 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. Answers.gazebosim.org needs all CSS files to be minified and compressed as it can save up to 208.6 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (51%)

Requests Now

35

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Answers Gazebo Sim. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

1117 ms

ac19d44ebac7.css

ac19d44ebac7.css

118 ms

css

css

24 ms

css

css

34 ms

modernizr.custom.js

modernizr.custom.js

5 ms

62 ms

8b7c3c70ecb4.js

8b7c3c70ecb4.js

101 ms

e0538c514cd2.js

e0538c514cd2.js

8 ms

46442e31e6aff16a88dfa0ecb1f597e7

46442e31e6aff16a88dfa0ecb1f597e7

79 ms

a6334ebc5bc4b338fb4ed95bbc90d5ac

a6334ebc5bc4b338fb4ed95bbc90d5ac

33 ms

2425b7adae0153593419d843290645ab

2425b7adae0153593419d843290645ab

53 ms

e82780891a1e938f0bf3a529adc858a5

e82780891a1e938f0bf3a529adc858a5

55 ms

141145d06a682e6433b1b7ea88cc6fc5

141145d06a682e6433b1b7ea88cc6fc5

56 ms

bedb20113f307e1b0f22683315acf4d3

bedb20113f307e1b0f22683315acf4d3

58 ms

2e2e3797a2ad6afed7ad8b6559c5e7e7

2e2e3797a2ad6afed7ad8b6559c5e7e7

60 ms

eac1c1bdebb9781f94ea41db621100e5

eac1c1bdebb9781f94ea41db621100e5

59 ms

39d7125932e0b78f6280b21332cfbd2d

39d7125932e0b78f6280b21332cfbd2d

82 ms

d11af1e8d9b00188814e30fe95c6931b

d11af1e8d9b00188814e30fe95c6931b

80 ms

8feaac46b6e59fd8b5553b0a08b1a555

8feaac46b6e59fd8b5553b0a08b1a555

83 ms

fc6a662f029fddc26d38c5f2bee5888b

fc6a662f029fddc26d38c5f2bee5888b

84 ms

30281fec5cc216874e72305305ef97a1

30281fec5cc216874e72305305ef97a1

95 ms

c9a60256838addae7263161c83130b41

c9a60256838addae7263161c83130b41

93 ms

gazebo_logo_1.png

gazebo_logo_1.png

11 ms

scopearrow.png

scopearrow.png

4 ms

sprites.png

sprites.png

5 ms

feed-icon-small.png

feed-icon-small.png

4 ms

vote-background.png

vote-background.png

5 ms

fr.gif

fr.gif

5 ms

us.gif

us.gif

8 ms

ca.gif

ca.gif

6 ms

accept.png

accept.png

6 ms

contributorsback.png

contributorsback.png

6 ms

proffessional_pic.jpg

proffessional_pic.jpg

6 ms

animals_with_hangover_04.jpg

animals_with_hangover_04.jpg

7 ms

cc-by-sa.png

cc-by-sa.png

8 ms

ajax-loader.gif

ajax-loader.gif

8 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

9 ms

Accessibility Review

answers.gazebosim.org accessibility score

72

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.

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

answers.gazebosim.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

answers.gazebosim.org SEO score

91

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

    N/A

  • Encoding

    UTF-8

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

answers.gazebosim.org

Open Graph description is not detected on the main page of Answers Gazebo Sim. 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: