2 sec in total
153 ms
1.4 sec
482 ms
Click here to check amazing O 2 Wizard content. Otherwise, check out these important facts you probably never knew about o2wizard.com
O2 Wizard is Your Indoor Air Quality Solution. Kimi Ayers, Mrs. Mold & Mildew, Indoor Air Quality Expert
Visit o2wizard.comWe analyzed O2wizard.com page load time and found that the first response time was 153 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
o2wizard.com performance score
name
value
score
weighting
Value2.1 s
80/100
10%
Value2.8 s
84/100
25%
Value6.7 s
35/100
10%
Value1,610 ms
12/100
30%
Value0
100/100
15%
Value13.1 s
12/100
10%
153 ms
69 ms
127 ms
7 ms
70 ms
Our browser made a total of 37 requests to load all elements on the main page. We found that 62% of them (23 requests) were addressed to the original O2wizard.com, 14% (5 requests) were made to Youtube.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain O2wizard.com.
Page size can be reduced by 20.5 kB (3%)
724.8 kB
704.3 kB
In fact, the total size of O2wizard.com main page is 724.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 465.9 kB which makes up the majority of the site volume.
Potential reduce by 16.5 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. This page needs HTML code to be minified as it can gain 2.6 kB, which is 11% 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 16.5 kB or 68% of the original size.
Potential reduce by 1.3 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. O 2 Wizard images are well optimized though.
Potential reduce by 2.6 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. This website has mostly compressed JavaScripts.
Potential reduce by 106 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. O2wizard.com has all CSS files already compressed.
Number of requests can be reduced by 6 (18%)
34
28
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of O 2 Wizard. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
o2wizard.com
153 ms
style.css
69 ms
roll.js
127 ms
ga.js
7 ms
green077.jpg
70 ms
T_yLX_bt9Nk
138 ms
__utm.gif
12 ms
o2_01.jpg
912 ms
o2_02.jpg
132 ms
o2_03.jpg
133 ms
spacer.gif
133 ms
o2_07.jpg
132 ms
o2_04.jpg
909 ms
lungs.jpg
967 ms
vent.jpg
910 ms
window.jpg
912 ms
door.jpg
913 ms
sink.jpg
1084 ms
o2_06.jpg
973 ms
o2_05.jpg
975 ms
Ayers15-1.jpg
1090 ms
units1.jpg
979 ms
1%20with%20earth.jpg
1027 ms
global.jpg
1035 ms
o2_08.jpg
1034 ms
o2_09.jpg
1096 ms
www-player.css
5 ms
www-embed-player.js
29 ms
base.js
57 ms
ad_status.js
165 ms
jz7nBWcXoC6PzFPxSGBK-EbGk4-kUqTnoXZXIXcr3eQ.js
115 ms
embed.js
32 ms
id
39 ms
KFOmCnqEu92Fr1Mu4mxM.woff
136 ms
KFOlCnqEu92Fr1MmEU9fBBc-.woff
137 ms
Create
106 ms
GenerateIT
14 ms
o2wizard.com accessibility score
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
<frame> or <iframe> elements do not have a title
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
<html> element does not have a [lang] attribute
o2wizard.com 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
General
Impact
Issue
Page has valid source maps
o2wizard.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 O2wizard.com 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 O2wizard.com 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.
o2wizard.com
Open Graph description is not detected on the main page of O 2 Wizard. 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: