Tools & Wizards About Us

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

ivscience.org

The Institute for Venture Science (IVS) – Break Through

Page Load Speed

3.2 sec in total

First Response

626 ms

Resources Loaded

1.9 sec

Page Rendered

620 ms

About Website

Welcome to ivscience.org homepage info - get ready to check Iv Science best content right away, or after learning these important things about ivscience.org

The Institute for Venture Science nurtures courageous ideas, facilitating breakthrough science. Dr. Luc Montagnier Nobel Laureate, "Scientists around the globe are uncovering new experiments which con...

Visit ivscience.org

Key Findings

We analyzed Ivscience.org page load time and found that the first response time was 626 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

ivscience.org performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.6 s

1/100

10%

LCP (Largest Contentful Paint)

Value14.4 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value1.153

1/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

ivscience.org

626 ms

style.min.css

150 ms

style.css

501 ms

style.css

115 ms

style.css

116 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 61% of them (41 requests) were addressed to the original Ivscience.org, 31% (21 requests) were made to Fonts.gstatic.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (626 ms) belongs to the original domain Ivscience.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (70%)

Content Size

2.0 MB

After Optimization

593.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ivscience.org main page is 2.0 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. 55% of websites need less resources to load. CSS take 924.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 88.1 kB

  • Original 109.1 kB
  • After minification 103.2 kB
  • After compression 21.0 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 88.1 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 17.1 kB

  • Original 252.8 kB
  • After minification 235.6 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. Iv Science images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 494.6 kB

  • Original 699.5 kB
  • After minification 699.1 kB
  • After compression 204.9 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 494.6 kB or 71% of the original size.

CSS Optimization

-86%

Potential reduce by 792.5 kB

  • Original 924.1 kB
  • After minification 923.1 kB
  • After compression 131.6 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. Ivscience.org needs all CSS files to be minified and compressed as it can save up to 792.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (42%)

Requests Now

45

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iv Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ivscience.org accessibility score

82

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

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

ivscience.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

ivscience.org SEO score

77

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

Page is blocked from indexing

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