Tools & Wizards About Us
davidjacobs.org screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

davidjacobs.org

DavidJacobs.org

Page Load Speed

4.5 sec in total

First Response

731 ms

Resources Loaded

2.4 sec

Page Rendered

1.3 sec

davidjacobs.org screenshot

About Website

Visit davidjacobs.org now to see the best up-to-date David Jacobs content and also check out these interesting facts you probably never knew about davidjacobs.org

David Jacobs

Visit davidjacobs.org

Key Findings

We analyzed Davidjacobs.org page load time and found that the first response time was 731 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

davidjacobs.org performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.0 s

100/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.0 s

100/100

10%

Network Requests Diagram

davidjacobs.org

731 ms

arts1011.css

299 ms

Desert%20and%20house%20001.jpg

557 ms

Desert%20and%20house%20002.jpg

797 ms

7-19-11%20002.jpg

695 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that all of those requests were addressed to Davidjacobs.org and no external sources were called. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Davidjacobs.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 32.3 kB (66%)

Content Size

48.8 kB

After Optimization

16.5 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Davidjacobs.org main page is 48.8 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. 60% of websites need less resources to load. HTML takes 28.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 22.3 kB

  • Original 28.7 kB
  • After minification 28.7 kB
  • After compression 6.5 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 22.3 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 8.9 kB
  • After minification 8.9 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. David Jacobs images are well optimized though.

CSS Optimization

-90%

Potential reduce by 10.0 kB

  • Original 11.2 kB
  • After minification 7.7 kB
  • After compression 1.1 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. Davidjacobs.org needs all CSS files to be minified and compressed as it can save up to 10.0 kB or 90% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

31

After Optimization

31

  • Images
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of David Jacobs. According to our analytics all requests are already optimized.

Network Requests Diagram

davidjacobs.org

davidjacobs.org

731 ms

arts1011.css

arts1011.css

299 ms

Desert%20and%20house%20001.jpg

Desert%20and%20house%20001.jpg

557 ms

Desert%20and%20house%20002.jpg

Desert%20and%20house%20002.jpg

797 ms

7-19-11%20002.jpg

7-19-11%20002.jpg

695 ms

DAvey%20night%20home%20018.jpg

DAvey%20night%20home%20018.jpg

704 ms

DAvey%20night%20home%20020.jpg

DAvey%20night%20home%20020.jpg

710 ms

Davey%20at%20home%20004.jpg

Davey%20at%20home%20004.jpg

657 ms

Fire%20at%20Sotello%20Home%20005.jpg

Fire%20at%20Sotello%20Home%20005.jpg

916 ms

Fire%20at%20Sotello%20Home%20016.jpg

Fire%20at%20Sotello%20Home%20016.jpg

901 ms

Davey%20at%20home%20040.jpg

Davey%20at%20home%20040.jpg

1048 ms

Davey%20at%20home%20036.jpg

Davey%20at%20home%20036.jpg

944 ms

Dominic%20004.jpg

Dominic%20004.jpg

1063 ms

Dominic%20022.jpg

Dominic%20022.jpg

1021 ms

Dominic%20028.jpg

Dominic%20028.jpg

1020 ms

Grabbed%20Frame%201.bmp

Grabbed%20Frame%201.bmp

1279 ms

DSCN6068.JPG

DSCN6068.JPG

1557 ms

DSCN6070.JPG

DSCN6070.JPG

1278 ms

DSCN6073.JPG

DSCN6073.JPG

1371 ms

DSCN6075.JPG

DSCN6075.JPG

1285 ms

DSCN6088.JPG

DSCN6088.JPG

1424 ms

DSCN6090.JPG

DSCN6090.JPG

1408 ms

DSCN6094.JPG

DSCN6094.JPG

1404 ms

DSCN6098.JPG

DSCN6098.JPG

1443 ms

DSCN6102.JPG

DSCN6102.JPG

1497 ms

DSCN6103.JPG

DSCN6103.JPG

1555 ms

DSCF0127.jpg

DSCF0127.jpg

1544 ms

DSCF0128.jpg

DSCF0128.jpg

1546 ms

DSCF0137.jpg

DSCF0137.jpg

1581 ms

home%20front%20night2.jpg

home%20front%20night2.jpg

1621 ms

pict0724.jpg

pict0724.jpg

1656 ms

image2.gif

image2.gif

1659 ms

image3.gif

image3.gif

1666 ms

arttilea.jpg

arttilea.jpg

1480 ms

artbul1a.gif

artbul1a.gif

1519 ms

Accessibility Review

davidjacobs.org accessibility score

58

Accessibility Issues

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

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

davidjacobs.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

Displays images with incorrect aspect ratio

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

davidjacobs.org SEO score

67

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Davidjacobs.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 Davidjacobs.org main page’s claimed encoding is windows-1252. 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

davidjacobs.org

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