Tools & Wizards About Us
tarsier.org screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

tarsier.org

Tarsier.org | Conserving Biodiversity | Mitigating Climate Change

Page Load Speed

8.5 sec in total

First Response

3.6 sec

Resources Loaded

4.7 sec

Page Rendered

261 ms

tarsier.org screenshot

About Website

Visit tarsier.org now to see the best up-to-date Tarsier content and also check out these interesting facts you probably never knew about tarsier.org

Tarsier.org is all about conserving biodiversity and mitigating climate change through the scientific study of tarsiers.

Visit tarsier.org

Key Findings

We analyzed Tarsier.org page load time and found that the first response time was 3.6 sec and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

tarsier.org performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value14.0 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value170 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.559

13/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

tarsier.org

3621 ms

analytics.js

33 ms

wp-emoji-release.min.js

49 ms

sfsi-style.css

79 ms

css

71 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 24% of them (28 requests) were addressed to the original Tarsier.org, 61% (71 requests) were made to Fonts.gstatic.com and 4% (5 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Tarsier.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 280.5 kB (17%)

Content Size

1.7 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tarsier.org main page is 1.7 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. 70% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 82.2 kB

  • Original 103.8 kB
  • After minification 101.5 kB
  • After compression 21.6 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 82.2 kB or 79% of the original size.

Image Optimization

-12%

Potential reduce by 151.6 kB

  • Original 1.3 MB
  • After minification 1.1 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. Obviously, Tarsier needs image optimization as it can save up to 151.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 30.5 kB

  • Original 276.7 kB
  • After minification 276.7 kB
  • After compression 246.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 30.5 kB or 11% of the original size.

CSS Optimization

-31%

Potential reduce by 16.2 kB

  • Original 52.7 kB
  • After minification 52.7 kB
  • After compression 36.5 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. Tarsier.org needs all CSS files to be minified and compressed as it can save up to 16.2 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (70%)

Requests Now

43

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tarsier. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tarsier.org

tarsier.org

3621 ms

analytics.js

analytics.js

33 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

49 ms

sfsi-style.css

sfsi-style.css

79 ms

css

css

71 ms

style.css

style.css

82 ms

style.css

style.css

66 ms

css

css

29 ms

css

css

55 ms

css

css

72 ms

css

css

64 ms

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font-awesome.min.css

67 ms

camera.min.css

camera.min.css

59 ms

animate.min.css

animate.min.css

93 ms

jquery.js

jquery.js

131 ms

jquery-migrate.min.js

jquery-migrate.min.js

104 ms

plugins.js

plugins.js

156 ms

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cleantalk_nocache.js

122 ms

addthis_widget.js

addthis_widget.js

66 ms

pinit.js

pinit.js

51 ms

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core.min.js

121 ms

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modernizr.custom.min.js

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jquery.shuffle.min.js

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random-shuffle-min.js

random-shuffle-min.js

346 ms

custom.js

custom.js

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functions.js

functions.js

261 ms

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wp-embed.min.js

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collect

collect

48 ms

plusone.js

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124 ms

platform.js

platform.js

263 ms

widgets.js

widgets.js

301 ms

logo-2.jpg

logo-2.jpg

378 ms

mobile-menu.png

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100 ms

new-species-banner-400x300.jpg

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206 ms

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491 ms

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55xqey1sJNPjPiv1ZZZrxK1-4bHoKE5OlKZHSQ.woff

55xqey1sJNPjPiv1ZZZrxK1-4bHoKE5OlKZHSQ.woff

117 ms

55xoey1sJNPjPiv1ZZZrxK170bviKWxM.woff

55xoey1sJNPjPiv1ZZZrxK170bviKWxM.woff

117 ms

55xoey1sJNPjPiv1ZZZrxK110bviKWxMpKc.woff

55xoey1sJNPjPiv1ZZZrxK110bviKWxMpKc.woff

113 ms

settings

settings

177 ms

new-species-banner.jpg

new-species-banner.jpg

98 ms

Accessibility Review

tarsier.org accessibility score

76

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

tarsier.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

High

Browser errors were logged to the console

SEO Factors

tarsier.org SEO score

75

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 Tarsier.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 Tarsier.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

tarsier.org

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