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darwinsark.org screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 70

    SEO

    Google-friendlier than
    30% of websites

darwinsark.org

Home | Darwin's Ark

Page Load Speed

4.1 sec in total

First Response

222 ms

Resources Loaded

3.5 sec

Page Rendered

377 ms

darwinsark.org screenshot

About Website

Click here to check amazing Darwin S Ark content for United States. Otherwise, check out these important facts you probably never knew about darwinsark.org

Join Darwin’s Ark, the first pet community science project! Help advance feline health and behavior research. Sign up now to contribute to scientific breakthroughs and understand your pet better.

Visit darwinsark.org

Key Findings

We analyzed Darwinsark.org page load time and found that the first response time was 222 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

darwinsark.org performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.8 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value1,110 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value18.7 s

3/100

10%

Network Requests Diagram

darwinsark.org

222 ms

darwinsark.org

361 ms

js

142 ms

style.min.css

40 ms

bbpress.min.css

52 ms

Our browser made a total of 169 requests to load all elements on the main page. We found that 62% of them (104 requests) were addressed to the original Darwinsark.org, 13% (22 requests) were made to Gstatic.com and 9% (15 requests) were made to Cdn.datatables.net. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Cdn.datatables.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 202.7 kB (11%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Darwinsark.org main page is 1.9 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. 80% 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. Javascripts take 915.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 145.1 kB

  • Original 185.1 kB
  • After minification 177.4 kB
  • After compression 40.0 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 145.1 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 520.4 kB
  • After minification 520.4 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. Darwin S Ark images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 36.3 kB

  • Original 915.6 kB
  • After minification 915.5 kB
  • After compression 879.3 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

-9%

Potential reduce by 21.3 kB

  • Original 238.4 kB
  • After minification 236.2 kB
  • After compression 217.1 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. Darwinsark.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 144 (92%)

Requests Now

157

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 157 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Darwin S Ark. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 94 to 1 for JavaScripts and from 52 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

darwinsark.org

darwinsark.org

222 ms

darwinsark.org

darwinsark.org

361 ms

js

js

142 ms

style.min.css

style.min.css

40 ms

bbpress.min.css

bbpress.min.css

52 ms

jquery.dataTables.min.css

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198 ms

buttons.dataTables.min.css

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243 ms

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288 ms

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314 ms

fixedColumns.dataTables.min.css

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291 ms

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299 ms

front.css

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53 ms

owl.carousel.min.css

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51 ms

selectize.css

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45 ms

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103 ms

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133 ms

bootstrap.min.css

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60 ms

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74 ms

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99 ms

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75 ms

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98 ms

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107 ms

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96 ms

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102 ms

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125 ms

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124 ms

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123 ms

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123 ms

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146 ms

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325 ms

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334 ms

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332 ms

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2182 ms

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2182 ms

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141 ms

jsapi

jsapi

123 ms

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143 ms

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144 ms

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140 ms

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141 ms

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149 ms

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151 ms

d3.min.js

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89 ms

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44 ms

date.min.js

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94 ms

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151 ms

selectize.min.js

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156 ms

custom.js

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151 ms

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142 ms

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142 ms

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145 ms

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91 ms

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142 ms

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226 ms

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113 ms

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114 ms

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107 ms

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102 ms

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109 ms

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103 ms

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110 ms

gravityforms.min.js

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113 ms

placeholders.jquery.min.js

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86 ms

dtgsnonce.js

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89 ms

report-post.js

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90 ms

rbtools.min.js

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100 ms

rs6.min.js

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112 ms

bootstrap.min.js

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116 ms

responsive-instagram.js

responsive-instagram.js

98 ms

loader.js

loader.js

88 ms

isotope.pkgd.min.js

isotope.pkgd.min.js

86 ms

gomap.js

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88 ms

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100 ms

jq-class.js

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88 ms

scroll-reveal.js

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97 ms

lightbox.js

lightbox.js

99 ms

smooth-scroll.js

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102 ms

spectragram.js

spectragram.js

96 ms

twitter-post-fetcher.js

twitter-post-fetcher.js

95 ms

countdown.js

countdown.js

101 ms

scripts.js

scripts.js

97 ms

asl-prereq.js

asl-prereq.js

96 ms

asl-core.js

asl-core.js

100 ms

asl-settings.js

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105 ms

asl-results-vertical.js

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96 ms

asl-autocomplete.js

asl-autocomplete.js

99 ms

asl-load.js

asl-load.js

95 ms

asl-wrapper.js

asl-wrapper.js

93 ms

sourcebuster.min.js

sourcebuster.min.js

104 ms

order-attribution.min.js

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93 ms

jquery.lazyloadxt.extra.min.js

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96 ms

jquery.lazyloadxt.srcset.min.js

jquery.lazyloadxt.srcset.min.js

97 ms

jquery.lazyloadxt.extend.js

jquery.lazyloadxt.extend.js

100 ms

js_composer_front.js

js_composer_front.js

94 ms

waypoints.min.js

waypoints.min.js

94 ms

prettify.min.js

prettify.min.js

96 ms

markdown.min.js

markdown.min.js

96 ms

utils.min.js

utils.min.js

129 ms

vendor-theme.min.js

vendor-theme.min.js

99 ms

scripts-theme.min.js

scripts-theme.min.js

89 ms

loader.js

loader.js

96 ms

www-widgetapi.js

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72 ms

close.png

close.png

133 ms

loading.gif

loading.gif

23 ms

prev.png

prev.png

168 ms

next.png

next.png

168 ms

darwins-logo.svg

darwins-logo.svg

24 ms

notif_icon_new.png

notif_icon_new.png

90 ms

dummy.png

dummy.png

90 ms

lazy_placeholder.gif

lazy_placeholder.gif

40 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

171 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVQ.woff

229 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVQ.woff

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230 ms

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316 ms

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399 ms

ElegantIcons.woff

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60 ms

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51 ms

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258 ms

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75 ms

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116 ms

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117 ms

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annotationchart.css

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128 ms

jsapi_compiled_default_module.js

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249 ms

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164 ms

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Accessibility Review

darwinsark.org accessibility score

65

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA IDs are not unique

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

darwinsark.org best practices score

83

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

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

darwinsark.org SEO score

70

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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 Darwinsark.org 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 Darwinsark.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

darwinsark.org

Open Graph description is not detected on the main page of Darwin S Ark. 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: