Tools & Wizards About Us
opto-engineering.jp screenshot

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

opto-engineering.jp

Optical Imaging Technologies for Machine Vision | Opto Engineering

Page Load Speed

1.9 sec in total

First Response

105 ms

Resources Loaded

479 ms

Page Rendered

1.3 sec

opto-engineering.jp screenshot

About Website

Click here to check amazing Opto Engineering content. Otherwise, check out these important facts you probably never knew about opto-engineering.jp

Opto Engineering manufactures and provides imaging components like optics, cameras, and lighting solutions to solve any machine vision application.

Visit opto-engineering.jp

Key Findings

We analyzed Opto-engineering.jp page load time and found that the first response time was 105 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

opto-engineering.jp performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.279

43/100

15%

TTI (Time to Interactive)

Value4.9 s

77/100

10%

Network Requests Diagram

www.opto-e.com

105 ms

uc.js

40 ms

js

91 ms

algoliasearch.umd.js

43 ms

autocomplete-js

47 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Opto-engineering.jp, 5% (3 requests) were made to Cdn.jsdelivr.net and 2% (1 request) were made to Consent.cookiebot.com. The less responsive or slowest element that took the longest time to load (193 ms) relates to the external source Opto-e.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 222.8 kB (11%)

Content Size

2.0 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opto-engineering.jp main page is 2.0 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 57.2 kB

  • Original 76.6 kB
  • After minification 76.6 kB
  • After compression 19.4 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 57.2 kB or 75% of the original size.

Image Optimization

-4%

Potential reduce by 67.8 kB

  • Original 1.8 MB
  • After minification 1.7 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. Opto Engineering images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 87.9 kB

  • Original 113.2 kB
  • After minification 113.2 kB
  • After compression 25.3 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 87.9 kB or 78% of the original size.

CSS Optimization

-35%

Potential reduce by 10.0 kB

  • Original 28.1 kB
  • After minification 19.6 kB
  • After compression 18.1 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. Opto-engineering.jp needs all CSS files to be minified and compressed as it can save up to 10.0 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (22%)

Requests Now

58

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opto Engineering. 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 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.opto-e.com

www.opto-e.com

105 ms

uc.js

uc.js

40 ms

js

js

91 ms

algoliasearch.umd.js

algoliasearch.umd.js

43 ms

autocomplete-js

autocomplete-js

47 ms

autocomplete-theme-classic

autocomplete-theme-classic

51 ms

glightbox.min.css

glightbox.min.css

19 ms

tailwind-main.css

tailwind-main.css

32 ms

base.css

base.css

39 ms

swiper-11.0.3.min.css

swiper-11.0.3.min.css

44 ms

home.css

home.css

66 ms

algoliaAutocomplete.js

algoliaAutocomplete.js

42 ms

glightbox.min.js

glightbox.min.js

33 ms

common.js

common.js

61 ms

swiper-11.0.3.min.js

swiper-11.0.3.min.js

63 ms

home.js

home.js

62 ms

logo-opto.svg

logo-opto.svg

29 ms

Banner_Watch_ITALA_1600x380px.jpg

Banner_Watch_ITALA_1600x380px.jpg

31 ms

whoweare-en.jpg

whoweare-en.jpg

71 ms

banner_ITALA_nopremiere.gif

banner_ITALA_nopremiere.gif

32 ms

Banner_TELECENTRICI.jpg

Banner_TELECENTRICI.jpg

32 ms

Banner_TCCAGE-ITALA_EN_1600x380px.gif

Banner_TCCAGE-ITALA_EN_1600x380px.gif

72 ms

Banner_EL5MP-ITALA_EN_1600x380px.jpg

Banner_EL5MP-ITALA_EN_1600x380px.jpg

66 ms

Banner_TCZEL_EN_1600x380px.gif

Banner_TCZEL_EN_1600x380px.gif

69 ms

Banner_PCBP.jpg

Banner_PCBP.jpg

67 ms

Banner_PCHIAF.jpg

Banner_PCHIAF.jpg

68 ms

itala-C-front.jpg

itala-C-front.jpg

71 ms

LT2PRXP-main.jpg

LT2PRXP-main.jpg

72 ms

EL5MP1656.jpg

EL5MP1656.jpg

74 ms

LT3PVZL240X400-00-X-W-24V.jpg

LT3PVZL240X400-00-X-W-24V.jpg

70 ms

LTPVZE160X160D50-X-W-24V.jpg

LTPVZE160X160D50-X-W-24V.jpg

73 ms

DFR3-30-080-1-W-24V.jpg

DFR3-30-080-1-W-24V.jpg

72 ms

TC10M_series_main.jpg

TC10M_series_main.jpg

74 ms

PCHI_family.jpg

PCHI_family.jpg

193 ms

PCCD2M_web.jpg

PCCD2M_web.jpg

75 ms

PCBP_series_main_2023.jpg

PCBP_series_main_2023.jpg

186 ms

discover_opto_engineering_awards.jpg

discover_opto_engineering_awards.jpg

165 ms

discover_opto_engineering_who_we_are.jpg

discover_opto_engineering_who_we_are.jpg

166 ms

discover_opto_engineering_resources.jpg

discover_opto_engineering_resources.jpg

167 ms

discover_opto_engineering_environment.jpg

discover_opto_engineering_environment.jpg

169 ms

discover_opto_engineering_services.jpg

discover_opto_engineering_services.jpg

166 ms

discover_opto_engineering_industries.jpg

discover_opto_engineering_industries.jpg

170 ms

instagram.png

instagram.png

168 ms

wordpress.png

wordpress.png

170 ms

flickr.png

flickr.png

172 ms

linkedin.png

linkedin.png

172 ms

facebook.png

facebook.png

171 ms

twitter.png

twitter.png

170 ms

youtube.png

youtube.png

172 ms

vimeo.png

vimeo.png

173 ms

anie.svg

anie.svg

179 ms

aia.png

aia.png

173 ms

automateuk.png

automateuk.png

174 ms

cmvu.jpg

cmvu.jpg

169 ms

emva.svg

emva.svg

168 ms

tuv.png

tuv.png

144 ms

ecovadis.png

ecovadis.png

140 ms

green-web.png

green-web.png

139 ms

enwhp.jpg

enwhp.jpg

139 ms

Accessibility Review

opto-engineering.jp accessibility score

84

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

opto-engineering.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Page has valid source maps

SEO Factors

opto-engineering.jp 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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opto-engineering.jp can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Opto-engineering.jp 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

opto-engineering.jp

Open Graph data is detected on the main page of Opto Engineering. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: