Tools & Wizards About Us
edmundoptics.com.tw screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

edmundoptics.com.tw

Optics - Imaging - Photonics - Optomechanics - Lasers | Edmund Optics

Page Load Speed

2.5 sec in total

First Response

32 ms

Resources Loaded

1.6 sec

Page Rendered

931 ms

edmundoptics.com.tw screenshot

About Website

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.tw

Key Findings

We analyzed Edmundoptics.com.tw page load time and found that the first response time was 32 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

edmundoptics.com.tw performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value2,920 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.77

5/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

edmundoptics.com.tw

32 ms

www.edmundoptics.com.tw

61 ms

www.edmundoptics.com.tw

169 ms

uc.js

32 ms

!jquery.js

40 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 78% of them (65 requests) were addressed to the original Edmundoptics.com.tw, 14% (12 requests) were made to Productimages.edmundoptics.com and 2% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (826 ms) belongs to the original domain Edmundoptics.com.tw.

Page Optimization Overview & Recommendations

Page size can be reduced by 251.0 kB (12%)

Content Size

2.1 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Edmundoptics.com.tw main page is 2.1 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. 60% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 235.8 kB

  • Original 277.6 kB
  • After minification 277.5 kB
  • After compression 41.7 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. 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 235.8 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 1.3 kB

  • Original 1.5 MB
  • After minification 1.5 MB

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.

JavaScript Optimization

-4%

Potential reduce by 9.6 kB

  • Original 225.6 kB
  • After minification 225.6 kB
  • After compression 216.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-5%

Potential reduce by 4.4 kB

  • Original 87.4 kB
  • After minification 87.4 kB
  • After compression 83.0 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.

Requests Breakdown

Number of requests can be reduced by 24 (32%)

Requests Now

76

After Optimization

52

  • Images
  • JavaScript
  • CSS

The browser has sent 76 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 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

edmundoptics.com.tw

edmundoptics.com.tw

32 ms

www.edmundoptics.com.tw

www.edmundoptics.com.tw

61 ms

www.edmundoptics.com.tw

www.edmundoptics.com.tw

169 ms

uc.js

uc.js

32 ms

!jquery.js

!jquery.js

40 ms

10035940-10033915.js

10035940-10033915.js

167 ms

bootstrap.css

bootstrap.css

37 ms

shared.css

shared.css

113 ms

js

js

58 ms

seal.js

seal.js

528 ms

fontawesome.css

fontawesome.css

26 ms

brands.css

brands.css

19 ms

solid.css

solid.css

23 ms

custom.kendo.css

custom.kendo.css

32 ms

scripts.js

scripts.js

50 ms

homepage.js

homepage.js

39 ms

Banner.js

Banner.js

46 ms

gtm.js

gtm.js

282 ms

eo-logo.svg

eo-logo.svg

280 ms

21082.jpg

21082.jpg

300 ms

cart.svg

cart.svg

247 ms

us.png

us.png

248 ms

uk.png

uk.png

248 ms

eu.png

eu.png

249 ms

jp.png

jp.png

288 ms

sg.png

sg.png

271 ms

kr.png

kr.png

272 ms

cn.png

cn.png

271 ms

tw.png

tw.png

271 ms

au.png

au.png

470 ms

in.png

in.png

321 ms

ca.png

ca.png

471 ms

logo-techspec-product.gif

logo-techspec-product.gif

288 ms

sept-prod-1.png

sept-prod-1.png

468 ms

sept-prod-2.png

sept-prod-2.png

469 ms

head-set.svg

head-set.svg

470 ms

cart.svg

cart.svg

467 ms

truck.svg

truck.svg

471 ms

globle.svg

globle.svg

472 ms

hp-optics.jpg

hp-optics.jpg

472 ms

hp-imaging.jpg

hp-imaging.jpg

499 ms

hp-laser-optics.jpg

hp-laser-optics.jpg

558 ms

hp-microscopy.jpg

hp-microscopy.jpg

559 ms

hp-optomechanics.jpg

hp-optomechanics.jpg

602 ms

hp-illumination.jpg

hp-illumination.jpg

674 ms

test-targets.jpg

test-targets.jpg

559 ms

testing-d.jpg

testing-d.jpg

664 ms

lab-p.jpg

lab-p.jpg

610 ms

scannermaxfb.jpg

scannermaxfb.jpg

608 ms

scannermaxlogo.svg

scannermaxlogo.svg

577 ms

optical-filters.png

optical-filters.png

663 ms

minimizinglenses_thumb.jpg

minimizinglenses_thumb.jpg

689 ms

oct.png

oct.png

779 ms

junelabseries_thumbnail.png

junelabseries_thumbnail.png

826 ms

wbe.svg

wbe.svg

737 ms

7283.png

7283.png

311 ms

7848.jpg

7848.jpg

292 ms

7831.jpg

7831.jpg

295 ms

7619.jpg

7619.jpg

293 ms

7576.jpg

7576.jpg

291 ms

7414.jpg

7414.jpg

324 ms

6781.jpg

6781.jpg

306 ms

2304.jpg

2304.jpg

308 ms

21245.jpg

21245.jpg

320 ms

21233.jpg

21233.jpg

331 ms

21230.jpg

21230.jpg

328 ms

Sofia-Regular.woff

Sofia-Regular.woff

520 ms

mari-2024.jpg

mari-2024.jpg

580 ms

footer-2023v.jpg

footer-2023v.jpg

475 ms

facebook-icon.png

facebook-icon.png

533 ms

Sofia-Bold.woff

Sofia-Bold.woff

588 ms

Sofia-Light.woff

Sofia-Light.woff

609 ms

x-icon.png

x-icon.png

609 ms

youtube-icon.png

youtube-icon.png

550 ms

linkedin-icon.png

linkedin-icon.png

642 ms

instagram-icon.png

instagram-icon.png

591 ms

tiktok-icon-1.png

tiktok-icon-1.png

625 ms

seal_image.php

seal_image.php

193 ms

fa-solid-900.ttf

fa-solid-900.ttf

610 ms

may-2024-banner-1bv3.jpg

may-2024-banner-1bv3.jpg

442 ms

left-arrow-white.svg

left-arrow-white.svg

451 ms

manufacturing_tvvv.jpg

manufacturing_tvvv.jpg

621 ms

print.css

print.css

23 ms

Accessibility Review

edmundoptics.com.tw accessibility score

78

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

High

[role]s are not contained by their required parent element

High

[role] values are not valid

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

High

Links do not have a discernible name

Best Practices

edmundoptics.com.tw best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

edmundoptics.com.tw SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    ZH

  • Encoding

    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.

Social Sharing Optimization

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: