Tools & Wizards About Us
csensors.com screenshot

Report Summary

  • 97

    Performance

    Renders faster than
    94% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

csensors.com

USB, Wireless, CCD, Bluetooth, Barcode Scanner, Barcode Reader, Bar Code Scanners

Page Load Speed

669 ms in total

First Response

82 ms

Resources Loaded

448 ms

Page Rendered

139 ms

csensors.com screenshot

About Website

Welcome to csensors.com homepage info - get ready to check Csensors best content right away, or after learning these important things about csensors.com

Custom Sensors Inc designs barcode and photoelectric scanning systems to specific customer requirements with online sales of Barcode Reader & scanner, CCD, USB

Visit csensors.com

Key Findings

We analyzed Csensors.com page load time and found that the first response time was 82 ms and then it took 587 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

csensors.com performance score

97

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

88/100

10%

LCP (Largest Contentful Paint)

Value2.3 s

93/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.8 s

100/100

10%

Network Requests Diagram

csensors.com

82 ms

csensors.com

91 ms

mm_menu.js

62 ms

n4.css

12 ms

mm_menu.js

84 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Csensors.com and no external sources were called. The less responsive or slowest element that took the longest time to load (127 ms) belongs to the original domain Csensors.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 48.7 kB (14%)

Content Size

340.3 kB

After Optimization

291.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Csensors.com main page is 340.3 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. Only 10% of websites need less resources to load. Images take 284.7 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 19.8 kB

  • Original 24.7 kB
  • After minification 22.6 kB
  • After compression 4.9 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 19.8 kB or 80% of the original size.

Image Optimization

-2%

Potential reduce by 4.9 kB

  • Original 284.7 kB
  • After minification 279.8 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. Csensors images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 22.6 kB

  • Original 29.2 kB
  • After minification 29.2 kB
  • After compression 6.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 22.6 kB or 78% of the original size.

CSS Optimization

-80%

Potential reduce by 1.4 kB

  • Original 1.8 kB
  • After minification 1.4 kB
  • After compression 349 B

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. Csensors.com needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Csensors. According to our analytics all requests are already optimized.

Network Requests Diagram

csensors.com

csensors.com

82 ms

csensors.com

csensors.com

91 ms

mm_menu.js

mm_menu.js

62 ms

n4.css

n4.css

12 ms

mm_menu.js

mm_menu.js

84 ms

page_top.gif

page_top.gif

13 ms

dot_clear.gif

dot_clear.gif

24 ms

as8159a.jpg

as8159a.jpg

37 ms

bd12210.jpg

bd12210.jpg

127 ms

AR-3100-11.jpg

AR-3100-11.jpg

51 ms

verio.gif

verio.gif

39 ms

dsbottom.gif

dsbottom.gif

38 ms

Accessibility Review

csensors.com accessibility score

86

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.

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

Best Practices

csensors.com best practices score

58

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

csensors.com SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Csensors.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 Csensors.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

csensors.com

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