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calsensors.com screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

calsensors.com

Opto Diode | High-Performance Photonic Solutions Provider

Page Load Speed

2.2 sec in total

First Response

83 ms

Resources Loaded

1.9 sec

Page Rendered

178 ms

calsensors.com screenshot

About Website

Visit calsensors.com now to see the best up-to-date Calsensors content and also check out these interesting facts you probably never knew about calsensors.com

Opto Diode provides trusted photonic solutions such as high-quality detectors and emitters for industrial, aerospace and scientific applications. Inquire today!

Visit calsensors.com

Key Findings

We analyzed Calsensors.com page load time and found that the first response time was 83 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

calsensors.com performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value7.1 s

51/100

10%

Network Requests Diagram

calsensors.com

83 ms

www.optodiode.com

180 ms

optodiode.com

395 ms

gtm.js

61 ms

css

39 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Calsensors.com, 82% (61 requests) were made to Optodiode.com and 4% (3 requests) were made to Cdn.websitepolicies.io. The less responsive or slowest element that took the longest time to load (678 ms) relates to the external source Optodiode.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 313.5 kB (23%)

Content Size

1.4 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Calsensors.com main page is 1.4 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. 45% of websites need less resources to load. Images take 988.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 48.9 kB

  • Original 58.4 kB
  • After minification 48.9 kB
  • After compression 9.5 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. This page needs HTML code to be minified as it can gain 9.5 kB, which is 16% 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 48.9 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 4.3 kB

  • Original 988.0 kB
  • After minification 983.7 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. Calsensors images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 137.9 kB

  • Original 180.6 kB
  • After minification 143.0 kB
  • After compression 42.7 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 137.9 kB or 76% of the original size.

CSS Optimization

-85%

Potential reduce by 122.5 kB

  • Original 144.8 kB
  • After minification 109.1 kB
  • After compression 22.4 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. Calsensors.com needs all CSS files to be minified and compressed as it can save up to 122.5 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (66%)

Requests Now

59

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calsensors. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 30 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

calsensors.com

calsensors.com

83 ms

www.optodiode.com

www.optodiode.com

180 ms

optodiode.com

optodiode.com

395 ms

gtm.js

gtm.js

61 ms

css

css

39 ms

lato:n1:default.js

lato:n1:default.js

18 ms

p7PBX-01.css

p7PBX-01.css

85 ms

p7PBXscripts.js

p7PBXscripts.js

161 ms

p7FGM-01.css

p7FGM-01.css

221 ms

p7FGMscripts.js

p7FGMscripts.js

224 ms

p7OPM-Core.css

p7OPM-Core.css

226 ms

p7OPM-01.css

p7OPM-01.css

226 ms

p7OPMscripts.js

p7OPMscripts.js

295 ms

margin-right.css

margin-right.css

234 ms

p7LBM_10_2.css

p7LBM_10_2.css

321 ms

p7MGM-01.css

p7MGM-01.css

319 ms

p7MGMscripts.js

p7MGMscripts.js

390 ms

p7LBM_13_3.css

p7LBM_13_3.css

324 ms

p7LBM_3_11.css

p7LBM_3_11.css

324 ms

p7LBM_4_4.css

p7LBM_4_4.css

370 ms

p7LBM_5_1.css

p7LBM_5_1.css

394 ms

p7LBM_6_1.css

p7LBM_6_1.css

393 ms

p7OPM-06.css

p7OPM-06.css

398 ms

p7OPM-05.css

p7OPM-05.css

399 ms

p7OPM-02.css

p7OPM-02.css

444 ms

p7LBM_2_77.css

p7LBM_2_77.css

465 ms

p7TKL-01.css

p7TKL-01.css

537 ms

p7TKi-01.css

p7TKi-01.css

468 ms

rbCN.css

rbCN.css

472 ms

docCookies.js

docCookies.js

473 ms

rb_CNApp.js

rb_CNApp.js

519 ms

p7LBM-Core.css

p7LBM-Core.css

538 ms

p7LBM-Custom-01.css

p7LBM-Custom-01.css

543 ms

p7LBM-Cmpnt.css

p7LBM-Cmpnt.css

547 ms

p7DMM01.css

p7DMM01.css

548 ms

p7DMMscripts.js

p7DMMscripts.js

593 ms

p7PM3scripts.js

p7PM3scripts.js

678 ms

p7MFT-01.css

p7MFT-01.css

613 ms

p7PM3-03.css

p7PM3-03.css

618 ms

p7LEMscripts.js

p7LEMscripts.js

621 ms

p7STT-01.css

p7STT-01.css

621 ms

cookieconsent.min.css

cookieconsent.min.css

106 ms

cookieconsent.min.js

cookieconsent.min.js

112 ms

p7HMY-01.css

p7HMY-01.css

667 ms

p7LBM_1_10.css

p7LBM_1_10.css

608 ms

cookieconsent.min.css

cookieconsent.min.css

117 ms

cookieconsent.min.js

cookieconsent.min.js

118 ms

p7AMM-01.css

p7AMM-01.css

606 ms

p7STTscripts.js

p7STTscripts.js

479 ms

p7HMYscripts.js

p7HMYscripts.js

479 ms

p7AMMscripts.js

p7AMMscripts.js

526 ms

cookieconsent.min.css

cookieconsent.min.css

215 ms

cookieconsent.min.js

cookieconsent.min.js

171 ms

Opto-Diode-Logo-1.jpg

Opto-Diode-Logo-1.jpg

95 ms

Layout1-frame1.jpg

Layout1-frame1.jpg

178 ms

Layout1-frame2.jpg

Layout1-frame2.jpg

216 ms

slide-medical.jpg

slide-medical.jpg

156 ms

Layout1-frame4.jpg

Layout1-frame4.jpg

164 ms

Layout1-frame6.jpg

Layout1-frame6.jpg

229 ms

Layout1-frame7.jpg

Layout1-frame7.jpg

249 ms

image-1.jpg

image-1.jpg

235 ms

image-8.jpg

image-8.jpg

240 ms

image-6.jpg

image-6.jpg

256 ms

image-9.jpg

image-9.jpg

294 ms

image-4.jpg

image-4.jpg

307 ms

cleanroom-4.jpg

cleanroom-4.jpg

312 ms

PR%20-%20IR%20Det.%20BXT2S-28T%20&%20Emitter%20SA727-5M2-home.jpg

PR%20-%20IR%20Det.%20BXT2S-28T%20&%20Emitter%20SA727-5M2-home.jpg

456 ms

search-icon.jpg

search-icon.jpg

310 ms

amm-right-dark.gif

amm-right-dark.gif

318 ms

S6u9w4BMUTPHh7USSwiPHA.ttf

S6u9w4BMUTPHh7USSwiPHA.ttf

32 ms

S6u9w4BMUTPHh6UVSwiPHA.ttf

S6u9w4BMUTPHh6UVSwiPHA.ttf

36 ms

cookieconsent.min.css

cookieconsent.min.css

9 ms

p7opm-play-light.png

p7opm-play-light.png

278 ms

p7opm-pause-light.png

p7opm-pause-light.png

294 ms

Accessibility Review

calsensors.com accessibility score

74

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

calsensors.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

calsensors.com SEO score

88

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Calsensors.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 Calsensors.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.

Social Sharing Optimization

calsensors.com

Open Graph description is not detected on the main page of Calsensors. 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: