Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 0

    Best Practices

  • 74

    SEO

    Google-friendlier than
    31% of websites

wiesenthal.org

Simon Wiesenthal Center

Page Load Speed

1.2 sec in total

First Response

88 ms

Resources Loaded

889 ms

Page Rendered

190 ms

wiesenthal.org screenshot

About Website

Click here to check amazing Wiesenthal content. Otherwise, check out these important facts you probably never knew about wiesenthal.org

The Simon Wiesenthal Center is a Jewish global human rights organization researching the Holocaust and hate in a historic and contemporary context.

Visit wiesenthal.org

Key Findings

We analyzed Wiesenthal.org page load time and found that the first response time was 88 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

wiesenthal.org performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value4.5 s

72/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.352

31/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

wiesenthal.org

88 ms

www.wiesenthal.com

178 ms

lookup.asp

88 ms

pp.asp

127 ms

default.css

13 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Wiesenthal.org, 73% (35 requests) were made to Wiesenthal.com and 10% (5 requests) were made to Kintera.com. The less responsive or slowest element that took the longest time to load (218 ms) relates to the external source Wiesenthal.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 448.2 kB (50%)

Content Size

899.1 kB

After Optimization

450.9 kB

In fact, the total size of Wiesenthal.org main page is 899.1 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. 55% of websites need less resources to load. Javascripts take 481.3 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 48.7 kB

  • Original 68.5 kB
  • After minification 67.3 kB
  • After compression 19.8 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 48.7 kB or 71% of the original size.

Image Optimization

-8%

Potential reduce by 20.7 kB

  • Original 261.4 kB
  • After minification 240.7 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. Wiesenthal images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 302.3 kB

  • Original 481.3 kB
  • After minification 479.5 kB
  • After compression 179.0 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 302.3 kB or 63% of the original size.

CSS Optimization

-87%

Potential reduce by 76.5 kB

  • Original 87.8 kB
  • After minification 59.2 kB
  • After compression 11.4 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. Wiesenthal.org needs all CSS files to be minified and compressed as it can save up to 76.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (55%)

Requests Now

44

After Optimization

20

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wiesenthal. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

wiesenthal.org accessibility score

87

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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.

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

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

High

Links do not have a discernible name

SEO Factors

wiesenthal.org SEO score

74

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wiesenthal.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 Wiesenthal.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Wiesenthal. 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: