Tools & Wizards About Us
jewishgen.org screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    82% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

jewishgen.org

JewishGen - The Home of Jewish Genealogy

Page Load Speed

1.2 sec in total

First Response

127 ms

Resources Loaded

977 ms

Page Rendered

116 ms

jewishgen.org screenshot

About Website

Click here to check amazing Jewish Gen content for United States. Otherwise, check out these important facts you probably never knew about jewishgen.org

Visit jewishgen.org

Key Findings

We analyzed Jewishgen.org page load time and found that the first response time was 127 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 20% of websites can load faster.

Performance Metrics

jewishgen.org performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value190 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

jewishgen.org

127 ms

www.jewishgen.org

242 ms

style.css

125 ms

SpryMenuBarHorizontal.css

179 ms

SpryMenuBar.js

244 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 79% of them (30 requests) were addressed to the original Jewishgen.org, 8% (3 requests) were made to Google-analytics.com and 5% (2 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (450 ms) belongs to the original domain Jewishgen.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 552.3 kB (66%)

Content Size

843.3 kB

After Optimization

290.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jewishgen.org main page is 843.3 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 464.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 16.6 kB

  • Original 21.7 kB
  • After minification 17.4 kB
  • After compression 5.0 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. This page needs HTML code to be minified as it can gain 4.3 kB, which is 20% 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 16.6 kB or 77% of the original size.

Image Optimization

-18%

Potential reduce by 18.3 kB

  • Original 102.4 kB
  • After minification 84.1 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, Jewish Gen needs image optimization as it can save up to 18.3 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 305.9 kB

  • Original 464.8 kB
  • After minification 443.5 kB
  • After compression 158.9 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 305.9 kB or 66% of the original size.

CSS Optimization

-83%

Potential reduce by 211.5 kB

  • Original 254.4 kB
  • After minification 249.5 kB
  • After compression 42.9 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. Jewishgen.org needs all CSS files to be minified and compressed as it can save up to 211.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (31%)

Requests Now

36

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jewish Gen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

jewishgen.org

jewishgen.org

127 ms

www.jewishgen.org

www.jewishgen.org

242 ms

style.css

style.css

125 ms

SpryMenuBarHorizontal.css

SpryMenuBarHorizontal.css

179 ms

SpryMenuBar.js

SpryMenuBar.js

244 ms

MMUtils.js

MMUtils.js

121 ms

dropdowncontent.js

dropdowncontent.js

179 ms

CookieUtils.js

CookieUtils.js

169 ms

CreateLoginLink.js

CreateLoginLink.js

183 ms

Trail.js

Trail.js

138 ms

FormUtils.js

FormUtils.js

125 ms

DataChecks.js

DataChecks.js

136 ms

JGnewcuts_01.gif

JGnewcuts_01.gif

66 ms

JGnewcuts_03.gif

JGnewcuts_03.gif

64 ms

jgnav_down_01.gif

jgnav_down_01.gif

66 ms

jgnav_down_02.gif

jgnav_down_02.gif

64 ms

jgnav_down_03.gif

jgnav_down_03.gif

65 ms

jgnav_down_04.gif

jgnav_down_04.gif

234 ms

jgnav_down_05.gif

jgnav_down_05.gif

136 ms

newads_01.gif

newads_01.gif

136 ms

newads_05.gif

newads_05.gif

143 ms

newads_03.gif

newads_03.gif

137 ms

newads_JHT_01.gif

newads_JHT_01.gif

199 ms

Welcome.gif

Welcome.gif

198 ms

button_search.gif

button_search.gif

198 ms

Facebook-JoinUs.jpg

Facebook-JoinUs.jpg

450 ms

jg_bottomlogo.gif

jg_bottomlogo.gif

209 ms

homeT_NNNN_74.gif

homeT_NNNN_74.gif

265 ms

waiting.gif

waiting.gif

214 ms

LoginDropdown.asp

LoginDropdown.asp

207 ms

ga.js

ga.js

31 ms

__utm.gif

__utm.gif

25 ms

nASSn4rDXh4

nASSn4rDXh4

103 ms

www-embed-player-vflZsBgOl.css

www-embed-player-vflZsBgOl.css

65 ms

www-embed-player.js

www-embed-player.js

87 ms

6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js

6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js

38 ms

ad_status.js

ad_status.js

36 ms

__utm.gif

__utm.gif

11 ms

Accessibility Review

jewishgen.org accessibility score

85

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.

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

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

jewishgen.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

jewishgen.org SEO score

92

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jewishgen.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 Jewishgen.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

jewishgen.org

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