Tools & Wizards About Us
drz.org screenshot

Report Summary

  • 87

    Performance

    Renders faster than
    90% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

drz.org

Ask Dr. Z - Holistic on-line alternative holistic health help!

Page Load Speed

1.7 sec in total

First Response

440 ms

Resources Loaded

989 ms

Page Rendered

223 ms

drz.org screenshot

About Website

Click here to check amazing Dr Z content for United States. Otherwise, check out these important facts you probably never knew about drz.org

alternative holistic health help through Chiropractic Neurology, EWOT, BEWOT, Exercise with Oxygen Training, Personal Portable Oxygen Bar, Thorne Research nutritional supplements, Sanum-PleoSanum home...

Visit drz.org

Key Findings

We analyzed Drz.org page load time and found that the first response time was 440 ms and then it took 1.2 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

drz.org performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

82/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

61/100

25%

SI (Speed Index)

Value3.0 s

94/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value3.2 s

95/100

10%

Network Requests Diagram

drz.org

440 ms

logo-menu.js

282 ms

glow-bgr.jpg

490 ms

Ask-DrZ_Treating-Causes-NOT-Symptoms-Logo-800-150_5.jpg

354 ms

DRZ_sh_wh.jpg

283 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 85% of them (11 requests) were addressed to the original Drz.org, 15% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (490 ms) belongs to the original domain Drz.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 172.4 kB (50%)

Content Size

343.5 kB

After Optimization

171.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Drz.org main page is 343.5 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. Only 10% of websites need less resources to load. Images take 144.5 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 65.1 kB

  • Original 72.6 kB
  • After minification 68.1 kB
  • After compression 7.5 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 65.1 kB or 90% of the original size.

Image Optimization

-19%

Potential reduce by 26.9 kB

  • Original 144.5 kB
  • After minification 117.6 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, Dr Z needs image optimization as it can save up to 26.9 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-64%

Potential reduce by 80.4 kB

  • Original 126.4 kB
  • After minification 124.2 kB
  • After compression 46.0 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 80.4 kB or 64% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript

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

Network Requests Diagram

drz.org

drz.org

440 ms

logo-menu.js

logo-menu.js

282 ms

glow-bgr.jpg

glow-bgr.jpg

490 ms

Ask-DrZ_Treating-Causes-NOT-Symptoms-Logo-800-150_5.jpg

Ask-DrZ_Treating-Causes-NOT-Symptoms-Logo-800-150_5.jpg

354 ms

DRZ_sh_wh.jpg

DRZ_sh_wh.jpg

283 ms

DrZ-Special-Offers-100.jpg

DrZ-Special-Offers-100.jpg

215 ms

discount_anim_small_new.gif

discount_anim_small_new.gif

145 ms

Next.gif

Next.gif

216 ms

o2b_s.jpg

o2b_s.jpg

217 ms

awmlib2.js

awmlib2.js

348 ms

dot.gif

dot.gif

73 ms

ga.js

ga.js

28 ms

__utm.gif

__utm.gif

10 ms

Accessibility Review

drz.org accessibility score

65

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

drz.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

drz.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

    N/A

  • Encoding

    ISO-8859-1

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

drz.org

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