Tools & Wizards About Us
rabbijodavid.org screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

rabbijodavid.org

Rabbi Jo David

Page Load Speed

850 ms in total

First Response

143 ms

Resources Loaded

346 ms

Page Rendered

361 ms

rabbijodavid.org screenshot

About Website

Click here to check amazing Rabbi Jo David content. Otherwise, check out these important facts you probably never knew about rabbijodavid.org

Visit rabbijodavid.org

Key Findings

We analyzed Rabbijodavid.org page load time and found that the first response time was 143 ms and then it took 707 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

rabbijodavid.org performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value7,880 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.021

100/100

15%

TTI (Time to Interactive)

Value15.4 s

7/100

10%

Network Requests Diagram

rabbijodavid.org

143 ms

rjd.css

68 ms

audio-player.js

84 ms

spacer.gif

45 ms

facebook.png

48 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Rabbijodavid.org and no external sources were called. The less responsive or slowest element that took the longest time to load (143 ms) belongs to the original domain Rabbijodavid.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 16.3 kB (21%)

Content Size

78.0 kB

After Optimization

61.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rabbijodavid.org main page is 78.0 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 53.0 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 8.0 kB

  • Original 12.1 kB
  • After minification 12.0 kB
  • After compression 4.0 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 8.0 kB or 67% of the original size.

Image Optimization

-0%

Potential reduce by 135 B

  • Original 53.0 kB
  • After minification 52.9 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. Rabbi Jo David images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 7.3 kB

  • Original 11.7 kB
  • After minification 11.7 kB
  • After compression 4.5 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 7.3 kB or 62% of the original size.

CSS Optimization

-72%

Potential reduce by 876 B

  • Original 1.2 kB
  • After minification 865 B
  • After compression 342 B

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. Rabbijodavid.org needs all CSS files to be minified and compressed as it can save up to 876 B or 72% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rabbi Jo David. According to our analytics all requests are already optimized.

Network Requests Diagram

rabbijodavid.org

rabbijodavid.org

143 ms

rjd.css

rjd.css

68 ms

audio-player.js

audio-player.js

84 ms

spacer.gif

spacer.gif

45 ms

facebook.png

facebook.png

48 ms

jo-portrait4.jpg

jo-portrait4.jpg

64 ms

barmitzvah.jpg

barmitzvah.jpg

115 ms

cover_life.jpg

cover_life.jpg

78 ms

cover_roots.jpg

cover_roots.jpg

79 ms

cover_heart.jpg

cover_heart.jpg

69 ms

cover_soul.jpg

cover_soul.jpg

88 ms

cover_manners.jpg

cover_manners.jpg

83 ms

fullscreen.gif

fullscreen.gif

97 ms

Accessibility Review

rabbijodavid.org accessibility score

63

Accessibility Issues

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

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

rabbijodavid.org best practices score

67

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

rabbijodavid.org SEO score

54

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rabbijodavid.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 Rabbijodavid.org main page’s claimed encoding is . 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

rabbijodavid.org

Open Graph description is not detected on the main page of Rabbi Jo David. 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: