1.7 sec in total
440 ms
989 ms
223 ms
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Visit drz.orgWe 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.
drz.org performance score
name
value
score
weighting
Value2.1 s
82/100
10%
Value3.6 s
61/100
25%
Value3.0 s
94/100
10%
Value70 ms
99/100
30%
Value0.004
100/100
15%
Value3.2 s
95/100
10%
440 ms
282 ms
490 ms
354 ms
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 size can be reduced by 172.4 kB (50%)
343.5 kB
171.1 kB
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.
Potential reduce by 65.1 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.
Potential reduce by 26.9 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. 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.
Potential reduce by 80.4 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.
We found no issues to fix!
12
12
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.
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
DrZ-Special-Offers-100.jpg
215 ms
discount_anim_small_new.gif
145 ms
Next.gif
216 ms
o2b_s.jpg
217 ms
awmlib2.js
348 ms
dot.gif
73 ms
ga.js
28 ms
__utm.gif
10 ms
drz.org accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<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
Image elements do not have [alt] attributes
Links do not have a discernible name
drz.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
drz.org SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
EN
N/A
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.
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: