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About Website

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Zhongshan Anto Electric Appliance Co., Ltd: ANTO GAS HEATER gives you not only warm but safe life. Anto gas heater has been committed to the R&D and innovation of various gas heaters, fans and range h...

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name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value460 ms

61/100

30%

CLS (Cumulative Layout Shift)

Value0.74

6/100

15%

TTI (Time to Interactive)

Value10.0 s

27/100

10%

antogaswaterheater.com

30 ms

www.antogaswaterheater.com

41 ms

css2

29 ms

style.css

309 ms

other.css

22 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 35% of them (24 requests) were addressed to the original Antogaswaterheater.com, 26% (18 requests) were made to Img01.v15cdn.com and 9% (6 requests) were made to Css02.v15cdn.com. The less responsive or slowest element that took the longest time to load (596 ms) belongs to the original domain Antogaswaterheater.com.

Content Size

737.2 kB

After Optimization

689.3 kB

In fact, the total size of Antogaswaterheater.com main page is 737.2 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. 50% of websites need less resources to load. Images take 478.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 44.8 kB

Original 55.9 kB
After minification 55.9 kB
After compression 11.2 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 44.8 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 937 B

Original 478.2 kB
After minification 477.2 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. ANTO Gas Water Heater images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.8 kB

Original 178.4 kB
After minification 178.4 kB
After compression 176.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 457 B

Original 24.8 kB
After minification 24.8 kB
After compression 24.3 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. Antogaswaterheater.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 64 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ANTO Gas Water Heater. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 7 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 keyboard navigation in your application.

High

[id] attributes on active, focusable elements are not unique

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

Page has valid source maps

Search Engine Optimization Advices

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 Antogaswaterheater.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 Antogaswaterheater.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

antogaswaterheater.com

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

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Performance

Accessibility

Best Practices

SEO

China Indoor Gas Heater, Outdoor Gas Heater, Portable Gas Heater Suppliers, Manufacturers, Factory - ANTO ELECTRIC

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)