Tools & Wizards About Us
numfocus.org screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

numfocus.org

NumFOCUS: A Nonprofit Supporting Open Code for Better Science

Page Load Speed

5.3 sec in total

First Response

159 ms

Resources Loaded

4.7 sec

Page Rendered

489 ms

numfocus.org screenshot

About Website

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

NumFOCUS promotes open practices in research, data, and scientific computing. We run educational programs and fiscal sponsorship of open source projects.

Visit numfocus.org

Key Findings

We analyzed Numfocus.org page load time and found that the first response time was 159 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

numfocus.org performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.3 s

0/100

25%

SI (Speed Index)

Value11.9 s

4/100

10%

TBT (Total Blocking Time)

Value4,820 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

numfocus.org

159 ms

numfocus.org

377 ms

display-medium-posts-public.css

142 ms

owl.carousel.css

207 ms

owl.theme.css

208 ms

Our browser made a total of 139 requests to load all elements on the main page. We found that 55% of them (76 requests) were addressed to the original Numfocus.org, 16% (22 requests) were made to Gstatic.com and 11% (15 requests) were made to Cdn.datatables.net. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Numfocus.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 527.4 kB (25%)

Content Size

2.1 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Numfocus.org main page is 2.1 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. Images take 845.2 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 424.3 kB

  • Original 470.3 kB
  • After minification 466.8 kB
  • After compression 46.1 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 424.3 kB or 90% of the original size.

Image Optimization

-8%

Potential reduce by 67.9 kB

  • Original 845.2 kB
  • After minification 777.2 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. NumFOCUS images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 21.2 kB

  • Original 671.9 kB
  • After minification 671.4 kB
  • After compression 650.7 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

-17%

Potential reduce by 14.0 kB

  • Original 84.0 kB
  • After minification 82.9 kB
  • After compression 70.1 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. Numfocus.org needs all CSS files to be minified and compressed as it can save up to 14.0 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 85 (71%)

Requests Now

120

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NumFOCUS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 59 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

numfocus.org

numfocus.org

159 ms

numfocus.org

numfocus.org

377 ms

display-medium-posts-public.css

display-medium-posts-public.css

142 ms

owl.carousel.css

owl.carousel.css

207 ms

owl.theme.css

owl.theme.css

208 ms

custom.css

custom.css

208 ms

animate.min.css

animate.min.css

203 ms

style.css

style.css

210 ms

jquery.dataTables.min.css

jquery.dataTables.min.css

36 ms

buttons.dataTables.min.css

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46 ms

select.dataTables.min.css

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56 ms

fixedHeader.dataTables.min.css

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54 ms

fixedColumns.dataTables.min.css

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75 ms

responsive.dataTables.min.css

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53 ms

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272 ms

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270 ms

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279 ms

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216 ms

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209 ms

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221 ms

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68 ms

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361 ms

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288 ms

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288 ms

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299 ms

custom.js

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289 ms

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31 ms

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dataTables.buttons.min.js

25 ms

buttons.colVis.min.js

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26 ms

buttons.print.min.js

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26 ms

pdfmake.min.js

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78 ms

vfs_fonts.js

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101 ms

jszip.min.js

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95 ms

buttons.html5.min.js

buttons.html5.min.js

25 ms

dataTables.select.min.js

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43 ms

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45 ms

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45 ms

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45 ms

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346 ms

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50 ms

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344 ms

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2807 ms

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351 ms

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110 ms

slick.css

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2828 ms

slick-theme.css

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2828 ms

display-medium-posts-public.js

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2828 ms

call.js

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2829 ms

anime.min.js

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2829 ms

dwd-perky-animate-animation.js

dwd-perky-animate-animation.js

2829 ms

core.min.js

core.min.js

2829 ms

datepicker.min.js

datepicker.min.js

2831 ms

scripts.min.js

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2834 ms

magnific-popup.js

magnific-popup.js

2830 ms

frontend-bundle.min.js

frontend-bundle.min.js

2829 ms

frontend-bundle.min.js

frontend-bundle.min.js

2830 ms

wp-gallery-custom-links.js

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2831 ms

common.js

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2831 ms

loader.js

loader.js

31 ms

wp_footer.js

wp_footer.js

2770 ms

dwd-fhe-animation.js

dwd-fhe-animation.js

2704 ms

slick.min.js

slick.min.js

2705 ms

loader.js

loader.js

43 ms

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130 ms

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128 ms

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130 ms

optfeaturedpanel-3.jpg

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129 ms

NF-circle-brackets.png

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130 ms

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144 ms

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434 ms

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165 ms

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396 ms

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462 ms

S6uyw4BMUTPHjxAwWA.woff

S6uyw4BMUTPHjxAwWA.woff

95 ms

S6uyw4BMUTPHjxAwWw.ttf

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166 ms

S6u9w4BMUTPHh7USSwaPHw.woff

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164 ms

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164 ms

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165 ms

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169 ms

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170 ms

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167 ms

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170 ms

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170 ms

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280 ms

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173 ms

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174 ms

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176 ms

modules.woff

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278 ms

fb.js

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168 ms

banner.js

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175 ms

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312 ms

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275 ms

tooltip.css

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50 ms

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60 ms

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59 ms

table.css

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55 ms

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59 ms

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61 ms

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102 ms

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74 ms

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108 ms

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102 ms

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105 ms

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103 ms

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101 ms

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104 ms

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106 ms

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106 ms

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108 ms

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108 ms

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135 ms

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385 ms

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337 ms

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342 ms

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173 ms

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174 ms

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176 ms

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175 ms

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177 ms

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174 ms

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284 ms

Accessibility Review

numfocus.org accessibility score

88

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

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

numfocus.org best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

numfocus.org SEO score

99

Search Engine Optimization Advices

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 Numfocus.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 Numfocus.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

numfocus.org

Open Graph data is detected on the main page of NumFOCUS. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: