3.1 sec in total
253 ms
1.8 sec
1.1 sec
Click here to check amazing Edmund Optics content for Taiwan. Otherwise, check out these important facts you probably never knew about edmundoptics.com.tw
For 75 years Edmund Optics (EO) has been a leading producer of optics, imaging, and photonics technology.
Visit edmundoptics.com.twWe analyzed Edmundoptics.com.tw page load time and found that the first response time was 253 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
edmundoptics.com.tw performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value17.8 s
0/100
25%
Value6.9 s
33/100
10%
Value3,360 ms
2/100
30%
Value0.477
18/100
15%
Value18.7 s
3/100
10%
253 ms
39 ms
125 ms
75 ms
34 ms
Our browser made a total of 88 requests to load all elements on the main page. We found that 80% of them (70 requests) were addressed to the original Edmundoptics.com.tw, 7% (6 requests) were made to Eogo.edmundoptics.com and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (904 ms) belongs to the original domain Edmundoptics.com.tw.
Page size can be reduced by 315.6 kB (12%)
2.7 MB
2.4 MB
In fact, the total size of Edmundoptics.com.tw main page is 2.7 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 2.0 MB which makes up the majority of the site volume.
Potential reduce by 212.5 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 212.5 kB or 84% of the original size.
Potential reduce by 64.4 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. Edmund Optics images are well optimized though.
Potential reduce by 30.6 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. This website has mostly compressed JavaScripts.
Potential reduce by 8.1 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. Edmundoptics.com.tw has all CSS files already compressed.
Number of requests can be reduced by 38 (46%)
82
44
The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Edmund Optics. 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 10 to 1 for CSS and as a result speed up the page load time.
www.edmundoptics.com.tw
253 ms
uc.js
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!jquery.js
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10035940-10033915.js
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bootstrap.css
34 ms
shared.css
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homepage.css
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js
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seal.js
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fontawesome.css
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brands.css
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solid.css
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custom.kendo.css
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bootstrap.bundle.js
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js.cookie.js
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livechat.js
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kendo.custom.min.js
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layout.js
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jquery.lazy.min.js
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homepage.js
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Banner.js
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forms2.min.js
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gtm.js
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20915.jpg
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seal_image.php
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eo-logo.svg
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cart.svg
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edmundoptics.com.tw 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-*] attributes do not match their roles
[role] values are not valid
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
Heading elements are not in a sequentially-descending order
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
Links do not have a discernible name
edmundoptics.com.tw best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
edmundoptics.com.tw SEO score
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
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Edmundoptics.com.tw can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Chinese language. Our system also found out that Edmundoptics.com.tw 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.
edmundoptics.com.tw
Open Graph description is not detected on the main page of Edmund Optics. 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: