Access utlaircon.com. Utlaircon

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value7.6 s

47/100

10%

utlaircon.com

1849 ms

30536_en-us.html.Head.js

658 ms

30536_en-us.html.Body.js

1292 ms

pcstyle.css

165 ms

reset.css

165 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original Utlaircon.com, 95% (78 requests) were made to Nwzimg.wezhan.net and 1% (1 request) were made to Nwzimg.wezhan.cn. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Utlaircon.com.

Content Size

14.1 MB

After Optimization

7.4 MB

In fact, the total size of Utlaircon.com main page is 14.1 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. 40% of websites need less resources to load. Images take 13.4 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 249.2 kB

Original 280.5 kB
After minification 234.0 kB
After compression 31.3 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 46.5 kB, which is 17% 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 249.2 kB or 89% of the original size.

Image Optimization

-48%

Potential reduce by 6.4 MB

Original 13.4 MB
After minification 6.9 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. Obviously, Utlaircon needs image optimization as it can save up to 6.4 MB or 48% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-10%

Potential reduce by 40.9 kB

Original 391.7 kB
After minification 391.6 kB
After compression 350.8 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

-22%

Potential reduce by 9.1 kB

Original 40.9 kB
After minification 36.3 kB
After compression 31.9 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. Utlaircon.com needs all CSS files to be minified and compressed as it can save up to 9.1 kB or 22% of the original size.

Requests Now

After Optimization

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Utlaircon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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 the interpretation of your content by users in different locales.

High

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

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

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

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

N/A
Encoding

UTF-8

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

utlaircon.com

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

Utlaircon

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

utlaircon.com

30536_en-us.html.Head.js

30536_en-us.html.Body.js

pcstyle.css

reset.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

utlaircon.com

30536_en-us.html.Head.js

30536_en-us.html.Body.js

pcstyle.css

reset.css

iconfont.css

iconfont.css

iconfont.css

pager.css

hover-effects.css

antChain.css

video-js.min.css

30536_Pc_en-US.css

jquery-3.6.3.min.js

jquery.lazyload.min.js

smart.animation.min.js

kino.razor.min.js

common.min.js

admin.validator.min.js

jquery.cookie.js

jssor.slider-22.2.16-all.min.js

slideshow.js

lz-parallax.min.js

jquery.jqueryzoom.js

video.min.js

30536_Pc_en-US.css

8176788.png

polyfill.min.js

slicknav.css

jquery.slicknav.min.js

modernizr.min.js

ResponsiveJsLoader.js

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8462394.jpg

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