Access winsen-sensor.com. Winsen Gas Sensor_CO2 Sensor_Air Quality Sensor_Dust Sensor

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value1,310 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.266

46/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

winsen-sensor.com

576 ms

www.winsen-sensor.com

357 ms

css2

30 ms

bootstrap.min.css

138 ms

all.min.css

261 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 83% of them (76 requests) were addressed to the original Winsen-sensor.com, 5% (5 requests) were made to Lr.zoosnet.net and 2% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Lr.zoosnet.net.

Content Size

3.4 MB

After Optimization

3.0 MB

In fact, the total size of Winsen-sensor.com main page is 3.4 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. 70% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 84.6 kB

Original 101.7 kB
After minification 87.2 kB
After compression 17.1 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 14.5 kB, which is 14% 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 84.6 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 72.2 kB

Original 2.6 MB
After minification 2.5 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. Winsen Sensor images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 60.8 kB

Original 393.7 kB
After minification 393.5 kB
After compression 332.9 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 60.8 kB or 15% of the original size.

CSS Optimization

-60%

Potential reduce by 219.7 kB

Original 368.9 kB
After minification 368.7 kB
After compression 149.2 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. Winsen-sensor.com needs all CSS files to be minified and compressed as it can save up to 219.7 kB or 60% of the original size.

Requests Now

After Optimization

The browser has sent 85 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Winsen Sensor. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Form elements do not have associated labels

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Winsen-sensor.com 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 Winsen-sensor.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

winsen-sensor.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Winsen Gas Sensor_CO2 Sensor_Air Quality Sensor_Dust Sensor_CO Sensor-Winsen Electronics

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

winsen-sensor.com

www.winsen-sensor.com

css2

bootstrap.min.css

all.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

winsen-sensor.com

www.winsen-sensor.com

css2

bootstrap.min.css

all.min.css

animate.compat.css

simple-line-icons.min.css

owl.carousel.min.css

owl.theme.default.min.css

magnific-popup.min.css

theme.css

theme-elements.css

theme-blog.css

theme-shop.css

demo-law-firm-2.css

skin-law-firm-2.css

custom.css

modernizr.min.js

script.js

jquery.min.js

jquery.appear.min.js

jquery.easing.min.js

jquery.cookie.min.js

bootstrap.bundle.min.js

jquery.validate.min.js

jquery.easypiechart.min.js

jquery.gmap.min.js

lazysizes.min.js

jquery.isotope.min.js

owl.carousel.min.js

jquery.magnific-popup.min.js

jquery.vide.min.js

vivus.min.js

theme.js

view.contact.js

demo-law-firm-2.js

theme.init.js

examples.lightboxes.js

LsJS.aspx

float.js

examples.portfolio.js

gtm.js

hotjar-3374383.js