Tools & Wizards About Us

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

weizmann-usa.org

Weizmann USA | American​ Committee for the Weizmann Institute of Science

Page Load Speed

6.2 sec in total

First Response

63 ms

Resources Loaded

3.5 sec

Page Rendered

2.6 sec

About Website

Welcome to weizmann-usa.org homepage info - get ready to check Weizmann USA best content for United States right away, or after learning these important things about weizmann-usa.org

Weizmann Institute has made revolutionary discoveries in cancer research, technology, education, environment, health & medicine and exploring the physical world.

Visit weizmann-usa.org

Key Findings

We analyzed Weizmann-usa.org page load time and found that the first response time was 63 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

weizmann-usa.org performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value10.2 s

9/100

10%

TBT (Total Blocking Time)

Value3,700 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.133

81/100

15%

TTI (Time to Interactive)

Value39.4 s

0/100

10%

Network Requests Diagram

weizmann-usa.org

63 ms

weizmann-usa.org

197 ms

10023984-10023956.js

251 ms

css

127 ms

jquery-3.1.0.min.js

121 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 49% of them (47 requests) were addressed to the original Weizmann-usa.org, 7% (7 requests) were made to Ka-p.fontawesome.com and 7% (7 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Weizmann-usa.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.2 MB (19%)

Content Size

17.1 MB

After Optimization

13.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Weizmann-usa.org main page is 17.1 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. 70% of websites need less resources to load. Images take 13.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 60.2 kB

  • Original 72.3 kB
  • After minification 50.7 kB
  • After compression 12.1 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. This page needs HTML code to be minified as it can gain 21.6 kB, which is 30% 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 60.2 kB or 83% of the original size.

Image Optimization

-6%

Potential reduce by 764.8 kB

  • Original 13.2 MB
  • After minification 12.4 MB

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. Weizmann USA images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 2.3 MB

  • Original 3.4 MB
  • After minification 3.4 MB
  • After compression 1.1 MB

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 2.3 MB or 67% of the original size.

CSS Optimization

-25%

Potential reduce by 101.5 kB

  • Original 399.0 kB
  • After minification 399.0 kB
  • After compression 297.5 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. Weizmann-usa.org needs all CSS files to be minified and compressed as it can save up to 101.5 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (44%)

Requests Now

82

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Weizmann USA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

weizmann-usa.org accessibility score

53

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

weizmann-usa.org best practices score

75

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

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

weizmann-usa.org SEO score

82

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Weizmann-usa.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Weizmann-usa.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 Weizmann USA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: