3.8 sec in total
360 ms
3.3 sec
196 ms
Welcome to optom.net homepage info - get ready to check Optom best content right away, or after learning these important things about optom.net
我們提供全面眼睛檢查,我們提供一切有關隱形眼鏡 的服務,我們提供一系列高質素的眼 鏡架及鏡片,能配合不同年 齡和視覺的需要。填寫海事處「本地船隻(船長) 」及「遊樂船隻操作人」所規 範的視力報告。角膜矯形治療及視覺訓練。
Visit optom.netWe analyzed Optom.net page load time and found that the first response time was 360 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
optom.net performance score
name
value
score
weighting
Value2.7 s
60/100
10%
Value7.4 s
4/100
25%
Value4.6 s
71/100
10%
Value40 ms
100/100
30%
Value0
100/100
15%
Value5.2 s
74/100
10%
360 ms
167 ms
386 ms
338 ms
167 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 41% of them (36 requests) were addressed to the original Optom.net, 38% (33 requests) were made to Static.xx.fbcdn.net and 15% (13 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Scontent.xx.fbcdn.net.
Page size can be reduced by 167.6 kB (21%)
806.9 kB
639.4 kB
In fact, the total size of Optom.net main page is 806.9 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. 40% of websites need less resources to load. Images take 612.1 kB which makes up the majority of the site volume.
Potential reduce by 15.6 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 15.6 kB or 76% of the original size.
Potential reduce by 22.6 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. Optom images are well optimized though.
Potential reduce by 128.3 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 128.3 kB or 74% of the original size.
Potential reduce by 1.1 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. Optom.net needs all CSS files to be minified and compressed as it can save up to 1.1 kB or 76% of the original size.
Number of requests can be reduced by 46 (53%)
86
40
The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
optom.net
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optom.net 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
Links do not have a discernible name
optom.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
optom.net SEO score
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
Tap targets are not sized appropriately
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document uses plugins
ZH
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optom.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Optom.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.
optom.net
Open Graph description is not detected on the main page of Optom. 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: