4.5 sec in total
485 ms
3.5 sec
507 ms
Welcome to opticianonline.net homepage info - get ready to check Optician Online best content for United States right away, or after learning these important things about opticianonline.net
Optometry news and optometry jobs from Optician Online. The latest optician resources covering eye diseases and optometry continuing education.
Visit opticianonline.netWe analyzed Opticianonline.net page load time and found that the first response time was 485 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
opticianonline.net performance score
name
value
score
weighting
Value8.3 s
0/100
10%
Value12.2 s
0/100
25%
Value15.2 s
1/100
10%
Value1,480 ms
14/100
30%
Value0.26
47/100
15%
Value23.9 s
1/100
10%
485 ms
1344 ms
12 ms
13 ms
42 ms
Our browser made a total of 160 requests to load all elements on the main page. We found that 46% of them (74 requests) were addressed to the original Opticianonline.net, 19% (30 requests) were made to S3-eu-west-1.amazonaws.com and 4% (6 requests) were made to Ad.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source S3-eu-west-1.amazonaws.com.
Page size can be reduced by 1.4 MB (44%)
3.1 MB
1.7 MB
In fact, the total size of Opticianonline.net main page is 3.1 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 137.8 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 137.8 kB or 79% of the original size.
Potential reduce by 76.7 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. Optician Online images are well optimized though.
Potential reduce by 680.9 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 680.9 kB or 64% of the original size.
Potential reduce by 457.6 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. Opticianonline.net needs all CSS files to be minified and compressed as it can save up to 457.6 kB or 85% of the original size.
Number of requests can be reduced by 89 (58%)
154
65
The browser has sent 154 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optician Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 62 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
opticianonline.net
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opticianonline.net 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 input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
opticianonline.net 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
opticianonline.net 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
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 doesn't use legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opticianonline.net 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 Opticianonline.net 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.
opticianonline.net
Open Graph data is detected on the main page of Optician Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: