6.6 sec in total
486 ms
5.9 sec
254 ms
Click here to check amazing OPTICAL Lens Manufacturer content. Otherwise, check out these important facts you probably never knew about optical-lens-manufacturer.com
KENTEH OPTICAL CO.,LTD.-Optical Components、Filters(Blue Glass)、Beam Splitters、Windows、Substrates、Optical Coating、Aspherical Lenses、Reflection Mirror、Lenses & Spotlight lens、Prism、IR and UV Lens、Cu...
Visit optical-lens-manufacturer.comWe analyzed Optical-lens-manufacturer.com page load time and found that the first response time was 486 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
optical-lens-manufacturer.com performance score
name
value
score
weighting
Value4.5 s
16/100
10%
Value4.5 s
38/100
25%
Value10.2 s
9/100
10%
Value530 ms
55/100
30%
Value0.602
10/100
15%
Value9.6 s
29/100
10%
486 ms
1002 ms
1014 ms
832 ms
831 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 62% of them (28 requests) were addressed to the original Optical-lens-manufacturer.com, 13% (6 requests) were made to Rwd.gtut.com.tw and 9% (4 requests) were made to Goshop.gtut.com.tw. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Optical-lens-manufacturer.com.
Page size can be reduced by 170.3 kB (25%)
677.9 kB
507.6 kB
In fact, the total size of Optical-lens-manufacturer.com main page is 677.9 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. 30% of websites need less resources to load. Images take 297.5 kB which makes up the majority of the site volume.
Potential reduce by 31.0 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 10.0 kB, which is 27% 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 31.0 kB or 85% of the original size.
Potential reduce by 1.3 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. OPTICAL Lens Manufacturer images are well optimized though.
Potential reduce by 133.1 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 133.1 kB or 46% of the original size.
Potential reduce by 4.8 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. Optical-lens-manufacturer.com has all CSS files already compressed.
Number of requests can be reduced by 32 (78%)
41
9
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OPTICAL Lens Manufacturer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.
optical-lens-manufacturer.com
486 ms
www.optical-lens-manufacturer.com
1002 ms
bootstrap.min.css
1014 ms
font-awesome.min.css
832 ms
owl.carousel.css
831 ms
owl.theme.css
856 ms
style.css
859 ms
lang-en.css
856 ms
gdpr.js
757 ms
gdpr.init.js
754 ms
jquery-1.11.1.min.js
1096 ms
jquery.validationEngine-en.js
726 ms
jquery.validationEngine.js
899 ms
script.js
917 ms
bootstrap.min.js
1567 ms
member.js
1578 ms
cart.js
1661 ms
pgwslideshow.js
1582 ms
jquery_lazyload.js
1587 ms
jquery.lightbox-0.5.min.js
1573 ms
jquery.responsive-tables.min.js
2347 ms
bootstrap-tabcollapse.js
2378 ms
owl.carousel.min.js
2314 ms
jquery.parallax-1.1.3.js
2327 ms
matchMedia.js
2315 ms
main.js
2401 ms
9b1378392d.js
160 ms
jquery.lightbox-0.5.css
3046 ms
pgwslideshow.css
3053 ms
validationEngine.jquery.css
901 ms
css
31 ms
embed
194 ms
nopic.png
38 ms
1557104696.png
1311 ms
1560335602.jpg
1316 ms
1560336302.jpg
1359 ms
1556873338.jpg
1322 ms
1556870915.jpg
1325 ms
6xK-dSZaM9iE8KbpRA_LJ3z8mH9BOJvgkP8o58a-xw.ttf
16 ms
fontawesome-webfont.woff
2566 ms
js
63 ms
9b1378392d.css
106 ms
font-awesome-css.min.css
42 ms
tarteaucitron.css
734 ms
tarteaucitron.zh.js
746 ms
optical-lens-manufacturer.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
<frame> or <iframe> elements do not have a title
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
optical-lens-manufacturer.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
optical-lens-manufacturer.com 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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Optical-lens-manufacturer.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 Optical-lens-manufacturer.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.
optical-lens-manufacturer.com
Open Graph data is detected on the main page of OPTICAL Lens Manufacturer. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: