2.6 sec in total
263 ms
2 sec
363 ms
Visit uk.optelec.com now to see the best up-to-date Uk Optelec content for Germany and also check out these interesting facts you probably never knew about uk.optelec.com
Optelec develops products for visual impairment - low vision. The Optelec products help the visually impaired to live an independent and full life.
Visit uk.optelec.comWe analyzed Uk.optelec.com page load time and found that the first response time was 263 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
uk.optelec.com performance score
name
value
score
weighting
Value3.2 s
43/100
10%
Value7.3 s
4/100
25%
Value5.0 s
63/100
10%
Value140 ms
95/100
30%
Value0.176
68/100
15%
Value8.9 s
35/100
10%
263 ms
437 ms
238 ms
226 ms
361 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that 79% of them (26 requests) were addressed to the original Uk.optelec.com, 12% (4 requests) were made to Cdn.jsdelivr.net and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (639 ms) belongs to the original domain Uk.optelec.com.
Page size can be reduced by 11.7 kB (32%)
36.9 kB
25.2 kB
In fact, the total size of Uk.optelec.com main page is 36.9 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. 45% of websites need less resources to load. Javascripts take 21.0 kB which makes up the majority of the site volume.
Potential reduce by 11.7 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 12% 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 11.7 kB or 73% of the original size.
Potential reduce by 50 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 Uk 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.
uk.optelec.com
263 ms
uk.optelec.com
437 ms
style.css
238 ms
app.css
226 ms
accessabar.bundle.js
361 ms
jquery-1.11.1.min.js
551 ms
jquery-ui.min.js
550 ms
bootstrap.min.js
341 ms
bootstrap-select.js
548 ms
bootstrap-checkbox.js
547 ms
bootstrap-radio.js
548 ms
bootstrap-filestyle.min.js
550 ms
idangerous.swiper.js
552 ms
jquery.validate.min.js
551 ms
main.js
551 ms
modernizr-2.6.2-respond-1.1.0.min.js
552 ms
rem.min.js
553 ms
css2
147 ms
background.png
639 ms
logo.png
188 ms
icon_cart_high-normal.png
190 ms
homepage-image_optelec-compact-10-hd-lifestyle.jpg
556 ms
list-item-arrow.png
189 ms
traveller-hd-stand_50-mm_reading-lr_white.jpg
361 ms
help-me-choose-a-low-vision-product.jpg
424 ms
strepen.png
429 ms
optelec-uk-webshop-certification_btha---approved-code.jpg
428 ms
vispero---all-brands-2021-w-tpgi-logo_website-footer_grayscale.png
428 ms
Helvetica.woff
373 ms
ArialMT.woff
634 ms
optelec.woff
299 ms
analytics.js
57 ms
collect
69 ms
uk.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
uk.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
uk.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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Uk.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 Uk.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.
uk.optelec.com
Open Graph description is not detected on the main page of Uk 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: