Tools & Wizards About Us
etetoolkit.org screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

etetoolkit.org

ETE Toolkit - Analysis and Visualization of (phylogenetic) trees

Page Load Speed

1.6 sec in total

First Response

262 ms

Resources Loaded

1.2 sec

Page Rendered

158 ms

etetoolkit.org screenshot

About Website

Visit etetoolkit.org now to see the best up-to-date ETE Toolkit content for United States and also check out these interesting facts you probably never knew about etetoolkit.org

The ETE toolkits is Python library that assists in the analysis, manipulation and visualization of (phylogenetic) trees.

Visit etetoolkit.org

Key Findings

We analyzed Etetoolkit.org page load time and found that the first response time was 262 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

etetoolkit.org performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

28/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value5.6 s

52/100

10%

TBT (Total Blocking Time)

Value1,870 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.101

89/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

etetoolkit.org

262 ms

css-compr.css2014_06

114 ms

jquery-1.11.1.min.js

330 ms

prettify.js

223 ms

bootstrap.min.js

225 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 65% of them (22 requests) were addressed to the original Etetoolkit.org, 18% (6 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (708 ms) belongs to the original domain Etetoolkit.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.7 kB (17%)

Content Size

535.9 kB

After Optimization

444.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Etetoolkit.org main page is 535.9 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. 65% of websites need less resources to load. Images take 233.9 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 18.1 kB

  • Original 22.5 kB
  • After minification 15.2 kB
  • After compression 4.4 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. This page needs HTML code to be minified as it can gain 7.3 kB, which is 33% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.1 kB or 80% of the original size.

Image Optimization

-27%

Potential reduce by 63.2 kB

  • Original 233.9 kB
  • After minification 170.7 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, ETE Toolkit needs image optimization as it can save up to 63.2 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 10.3 kB

  • Original 233.2 kB
  • After minification 233.2 kB
  • After compression 222.9 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

-0%

Potential reduce by 129 B

  • Original 46.3 kB
  • After minification 46.3 kB
  • After compression 46.2 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. Etetoolkit.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (29%)

Requests Now

24

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ETE Toolkit. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

etetoolkit.org

etetoolkit.org

262 ms

css-compr.css2014_06

css-compr.css2014_06

114 ms

jquery-1.11.1.min.js

jquery-1.11.1.min.js

330 ms

prettify.js

prettify.js

223 ms

bootstrap.min.js

bootstrap.min.js

225 ms

style.min.css

style.min.css

438 ms

custom.css

custom.css

227 ms

modernizr.js

modernizr.js

355 ms

all.js

all.js

708 ms

custom.js

custom.js

355 ms

analytics.js

analytics.js

10 ms

collect

collect

30 ms

js

js

65 ms

ete3.svg

ete3.svg

128 ms

ETElogo.250x78.jpeg

ETElogo.250x78.jpeg

123 ms

code_pic.jpg

code_pic.jpg

122 ms

piechart_pic.jpg

piechart_pic.jpg

124 ms

heatmap_pic.jpg

heatmap_pic.jpg

213 ms

ipython_pic.jpg

ipython_pic.jpg

124 ms

etebuild_pic.jpg

etebuild_pic.jpg

216 ms

omega_pic.jpg

omega_pic.jpg

216 ms

taxonomy_pic.jpg

taxonomy_pic.jpg

217 ms

phylogeny_pic.jpg

phylogeny_pic.jpg

218 ms

annotation_pic.jpg

annotation_pic.jpg

416 ms

logo_embl.black.png

logo_embl.black.png

446 ms

widgets.js

widgets.js

47 ms

W5F8_SL0XFawnjxHGsZjJA.ttf

W5F8_SL0XFawnjxHGsZjJA.ttf

56 ms

Uxzkqj-MIMWle-XP2pDNAA.ttf

Uxzkqj-MIMWle-XP2pDNAA.ttf

89 ms

dtpHsbgPEm2lVWciJZ0P-A.ttf

dtpHsbgPEm2lVWciJZ0P-A.ttf

110 ms

7MygqTe2zs9YkP0adA9QQQ.ttf

7MygqTe2zs9YkP0adA9QQQ.ttf

85 ms

bdHGHleUa-ndQCOrdpfxfw.ttf

bdHGHleUa-ndQCOrdpfxfw.ttf

84 ms

H1vB34nOKWXqzKotq25pcg.ttf

H1vB34nOKWXqzKotq25pcg.ttf

85 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

371 ms

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

widget_iframe.2f70fb173b9000da126c79afe2098f02.html

38 ms

Accessibility Review

etetoolkit.org accessibility score

81

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

etetoolkit.org best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

etetoolkit.org SEO score

92

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

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

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 Etetoolkit.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 Etetoolkit.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

etetoolkit.org

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