1.9 sec in total
191 ms
1.4 sec
223 ms
Click here to check amazing Ca Optelec content for Germany. Otherwise, check out these important facts you probably never knew about ca.optelec.com
Optelec develops products for low vision. The Optelec products help the visually impaired to live an independent and full life.
Visit ca.optelec.comWe analyzed Ca.optelec.com page load time and found that the first response time was 191 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
ca.optelec.com performance score
name
value
score
weighting
Value2.9 s
55/100
10%
Value4.5 s
36/100
25%
Value5.4 s
57/100
10%
Value2,710 ms
3/100
30%
Value0.198
62/100
15%
Value9.3 s
31/100
10%
191 ms
417 ms
49 ms
207 ms
341 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 82% of them (27 requests) were addressed to the original Ca.optelec.com, 6% (2 requests) were made to Browsealoud.com and 6% (2 requests) were made to Plus.browsealoud.com. The less responsive or slowest element that took the longest time to load (585 ms) belongs to the original domain Ca.optelec.com.
Page size can be reduced by 10.9 kB (29%)
37.2 kB
26.3 kB
In fact, the total size of Ca.optelec.com main page is 37.2 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. 30% of websites need less resources to load. Javascripts take 22.5 kB which makes up the majority of the site volume.
Potential reduce by 10.9 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 1.9 kB, which is 13% 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 10.9 kB or 74% of the original size.
Potential reduce by 73 B
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.
Number of requests can be reduced by 13 (46%)
28
15
The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ca Optelec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.
ca.optelec.com
191 ms
ca.optelec.com
417 ms
ba.js
49 ms
style.css
207 ms
jquery-1.11.1.min.js
341 ms
jquery-ui.min.js
367 ms
bootstrap.min.js
280 ms
bootstrap-select.js
278 ms
bootstrap-checkbox.js
279 ms
bootstrap-radio.js
297 ms
bootstrap-filestyle.min.js
382 ms
idangerous.swiper.js
466 ms
jquery.validate.min.js
381 ms
main.js
388 ms
modernizr-2.6.2-respond-1.1.0.min.js
425 ms
rem.min.js
463 ms
version.json
8 ms
logo.png
460 ms
icon_cart_high-normal.png
460 ms
optelec-homepage-banner---ruby-10-copy.jpg
517 ms
jaws-zoomtext-fusion_small.png
471 ms
help-me-choose-a-low-vision-product.jpg
505 ms
w3c-logo.jpg
556 ms
w3c-logo2.jpg
505 ms
vispero---all-brands-2021-w-tpgi-logo_website-footer_grayscale.png
506 ms
ca.optelec.com.js
326 ms
background.png
585 ms
list-item-arrow.png
402 ms
strepen.png
402 ms
optelec.woff
370 ms
optelec.com.js
293 ms
analytics.js
18 ms
collect
12 ms
ca.optelec.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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
ca.optelec.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
ca.optelec.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
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ca.optelec.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 Ca.optelec.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.
ca.optelec.com
Open Graph description is not detected on the main page of Ca Optelec. 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: