11.5 sec in total
555 ms
10.3 sec
683 ms
Visit opticalh.com now to see the best up-to-date Opticalh content for Canada and also check out these interesting facts you probably never knew about opticalh.com
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Visit opticalh.comWe analyzed Opticalh.com page load time and found that the first response time was 555 ms and then it took 11 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
opticalh.com performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value10.8 s
0/100
25%
Value8.6 s
17/100
10%
Value2,820 ms
3/100
30%
Value0.038
100/100
15%
Value15.4 s
7/100
10%
555 ms
1500 ms
76 ms
594 ms
223 ms
Our browser made a total of 250 requests to load all elements on the main page. We found that 16% of them (39 requests) were addressed to the original Opticalh.com, 46% (115 requests) were made to Static3.opticalh.com and 11% (27 requests) were made to Static2.opticalh.com. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source Static3.opticalh.com.
Page size can be reduced by 589.6 kB (28%)
2.1 MB
1.5 MB
In fact, the total size of Opticalh.com main page is 2.1 MB. 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 1.3 MB which makes up the majority of the site volume.
Potential reduce by 238.3 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 60.6 kB, which is 22% 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 238.3 kB or 87% of the original size.
Potential reduce by 16.7 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. Opticalh images are well optimized though.
Potential reduce by 289.9 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 289.9 kB or 65% of the original size.
Potential reduce by 44.7 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. Opticalh.com needs all CSS files to be minified and compressed as it can save up to 44.7 kB or 81% of the original size.
Number of requests can be reduced by 60 (25%)
240
180
The browser has sent 240 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opticalh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
opticalh.com
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opticalh.com accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
ARIA IDs are not unique
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
opticalh.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
opticalh.com 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
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opticalh.com 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 Opticalh.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
opticalh.com
Open Graph data is detected on the main page of Opticalh. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: