Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

elabftw.net

eLabFTW - free open source ELN

Page Load Speed

3.5 sec in total

First Response

406 ms

Resources Loaded

2.3 sec

Page Rendered

703 ms

elabftw.net screenshot

About Website

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

A free and open source electronic lab notebook for researchers.

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Key Findings

We analyzed Elabftw.net page load time and found that the first response time was 406 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

elabftw.net performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value5.5 s

71/100

10%

Network Requests Diagram

www.elabftw.net

406 ms

elabweb.css

159 ms

elabftw-logo.png

297 ms

elabweb.min.js

1197 ms

observatory.webp

334 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Elabftw.net and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Elabftw.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 372.1 kB (39%)

Content Size

950.6 kB

After Optimization

578.5 kB

In fact, the total size of Elabftw.net main page is 950.6 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. 20% of websites need less resources to load. Javascripts take 821.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 19.7 kB

  • Original 27.1 kB
  • After minification 25.4 kB
  • After compression 7.3 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 19.7 kB or 73% of the original size.

Image Optimization

-38%

Potential reduce by 16.7 kB

  • Original 44.3 kB
  • After minification 27.6 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, ELabFTW needs image optimization as it can save up to 16.7 kB or 38% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-38%

Potential reduce by 308.4 kB

  • Original 821.3 kB
  • After minification 821.3 kB
  • After compression 512.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 308.4 kB or 38% of the original size.

CSS Optimization

-47%

Potential reduce by 27.2 kB

  • Original 57.9 kB
  • After minification 57.9 kB
  • After compression 30.7 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. Elabftw.net needs all CSS files to be minified and compressed as it can save up to 27.2 kB or 47% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

21

After Optimization

21

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ELabFTW. According to our analytics all requests are already optimized.

Accessibility Review

elabftw.net accessibility score

84

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

elabftw.net best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

elabftw.net SEO score

100

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

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 Elabftw.net 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 Elabftw.net 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

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