Report Summary

  • 73

    Performance

    Renders faster than
    83% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

eurostemcell.org

Stem Cell Research | Uses of Stem Cells and Ethics | EuroStemCell

Page Load Speed

2.7 sec in total

First Response

319 ms

Resources Loaded

2.1 sec

Page Rendered

285 ms

eurostemcell.org screenshot

About Website

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

Europe's hub for stem cell research, regenerative medicine and ethics. Features stem cell facts, educational resources, award-winning films, news and FAQ's.

Visit eurostemcell.org

Key Findings

We analyzed Eurostemcell.org page load time and found that the first response time was 319 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

eurostemcell.org performance score

73

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

62/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value250 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

eurostemcell.org

319 ms

www.eurostemcell.org

242 ms

892d217c5e3d1f3777817802dcbc6543.css

177 ms

css_d4728a9ff44e00ab58263e9d306504cd.css

264 ms

js_4dc91ed8ac2af121a0446e795a8ec64c.js

700 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 63% of them (26 requests) were addressed to the original Eurostemcell.org, 17% (7 requests) were made to Pbs.twimg.com and 10% (4 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (717 ms) belongs to the original domain Eurostemcell.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 241.7 kB (60%)

Content Size

402.8 kB

After Optimization

161.1 kB

In fact, the total size of Eurostemcell.org main page is 402.8 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. 25% of websites need less resources to load. Javascripts take 211.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 29.0 kB

  • Original 38.8 kB
  • After minification 36.8 kB
  • After compression 9.8 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 29.0 kB or 75% of the original size.

Image Optimization

-11%

Potential reduce by 9.5 kB

  • Original 87.1 kB
  • After minification 77.6 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, Euro Stem Cell needs image optimization as it can save up to 9.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 151.9 kB

  • Original 211.6 kB
  • After minification 155.3 kB
  • After compression 59.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 151.9 kB or 72% of the original size.

CSS Optimization

-78%

Potential reduce by 51.2 kB

  • Original 65.3 kB
  • After minification 63.1 kB
  • After compression 14.1 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. Eurostemcell.org needs all CSS files to be minified and compressed as it can save up to 51.2 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (38%)

Requests Now

39

After Optimization

24

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Euro Stem Cell. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

eurostemcell.org accessibility score

96

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

Best Practices

eurostemcell.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

SEO Factors

eurostemcell.org SEO score

91

Search Engine Optimization Advices

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 Eurostemcell.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 Eurostemcell.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

Open Graph description is not detected on the main page of Euro Stem Cell. 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: