Access casting-steel.com. China Investment Casting, Steel Casting, Precision Casting Manufacturers, Suppliers

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value11.1 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value1,860 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.397

25/100

15%

TTI (Time to Interactive)

Value16.0 s

6/100

10%

casting-steel.com

359 ms

www.casting-steel.com

542 ms

swiper.min.css

257 ms

style.css

76 ms

blk.css

146 ms

Our browser made a total of 94 requests to load all elements on the main page. We found that 66% of them (62 requests) were addressed to the original Casting-steel.com, 14% (13 requests) were made to Img01.v15cdn.com and 7% (7 requests) were made to Js01.v15cdn.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Casting-steel.com.

Content Size

1.6 MB

After Optimization

1.5 MB

In fact, the total size of Casting-steel.com main page is 1.6 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 30.3 kB

Original 37.4 kB
After minification 36.4 kB
After compression 7.0 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 30.3 kB or 81% of the original size.

Image Optimization

-12%

Potential reduce by 155.9 kB

Original 1.3 MB
After minification 1.2 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, Casting Steel needs image optimization as it can save up to 155.9 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 3.8 kB

Original 226.4 kB
After minification 226.4 kB
After compression 222.6 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

-4%

Potential reduce by 3.2 kB

Original 73.5 kB
After minification 73.5 kB
After compression 70.3 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. Casting-steel.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Casting Steel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 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 experience of reading tabular or list data using assistive technology, like a screen reader.

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

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

EN
Encoding

UTF-8

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

casting-steel.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

China Investment Casting, Steel Casting, Precision Casting Manufacturers, Suppliers - Qianhao Metal

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

casting-steel.com

www.casting-steel.com

swiper.min.css

style.css

blk.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

casting-steel.com

www.casting-steel.com

swiper.min.css

style.css

blk.css

jquery.js

sitecommon.js

other.css

Site_Common.js

flash.js

swiper.min.js

count2.js

float8684.js

header_bg.png

en.webp

BM9AQT76NZY

logo19715.png

iso1.png

follow.jpg

search_button.jpg

amore.png

menu_bg.jpg

index_31.gif

ba201808011251230584268.jpg

201601141335517242522.jpg

201601141336277550368.jpg

ba202212071304454961691.jpg

p_bt.png

index_cp_bg.jpg

left.png

201601181054466836561.png

train-parts-castings56005119994.jpg

201601181056565594852.png

201602241430188839958.png

201601181053596052334.png

water-glass-investment-casting08570967037.jpg

right.png

more1.jpg

home_38.jpg

home_42.jpg

more3.jpg

home_59.jpg

water-glass-lost-wax-casting93c1cd54-05d8-4301-94d4-826a7fc94afa.jpg