Tools & Wizards About Us
metalcovalve.com screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

metalcovalve.com

DIN BS AWWA resilient seated gate valve China manufacturer,butterfly valve China manufacturer,ducitle iron manhole cover China manufacturer - Beijing ...

Page Load Speed

4.9 sec in total

First Response

592 ms

Resources Loaded

4.1 sec

Page Rendered

256 ms

metalcovalve.com screenshot

About Website

Visit metalcovalve.com now to see the best up-to-date Metalco Valve content and also check out these interesting facts you probably never knew about metalcovalve.com

Metalco Valve Co., Ltd. is a company specializing in the production and sales of water system valves in China. The Company has strong scientific and technological strength, advanced production equipme...

Visit metalcovalve.com

Key Findings

We analyzed Metalcovalve.com page load time and found that the first response time was 592 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

metalcovalve.com performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

65/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.457

19/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

metalcovalve.com

592 ms

metalcovalve.com

282 ms

www.metalcovalve.com

580 ms

www.metalcovalve.com

329 ms

bootstrap.css

273 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 98% of them (56 requests) were addressed to the original Metalcovalve.com, 2% (1 request) were made to Translate.google.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Metalcovalve.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.3 kB (4%)

Content Size

1.5 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Metalcovalve.com main page is 1.5 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. 30% 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 32.8 kB

  • Original 40.5 kB
  • After minification 33.0 kB
  • After compression 7.8 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 7.6 kB, which is 19% 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 32.8 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 15.9 kB

  • Original 1.3 MB
  • After minification 1.3 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. Metalco Valve images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 4.2 kB

  • Original 86.4 kB
  • After minification 86.1 kB
  • After compression 82.3 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

-14%

Potential reduce by 6.5 kB

  • Original 44.8 kB
  • After minification 44.8 kB
  • After compression 38.3 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. Metalcovalve.com needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (51%)

Requests Now

51

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Metalco Valve. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

metalcovalve.com

metalcovalve.com

592 ms

metalcovalve.com

metalcovalve.com

282 ms

www.metalcovalve.com

www.metalcovalve.com

580 ms

www.metalcovalve.com

www.metalcovalve.com

329 ms

bootstrap.css

bootstrap.css

273 ms

bxslider.css

bxslider.css

215 ms

style.css

style.css

207 ms

jquery.min.js

jquery.min.js

287 ms

bxslider.min.js

bxslider.min.js

216 ms

common.js

common.js

217 ms

bootstrap.js

bootstrap.js

419 ms

style_xys.css

style_xys.css

433 ms

font-awesome.min.css

font-awesome.min.css

428 ms

gtranslate-style16.css

gtranslate-style16.css

485 ms

jquery.min.js

jquery.min.js

539 ms

element.js

element.js

41 ms

xiaoyuer_online.css

xiaoyuer_online.css

493 ms

xiaoyuer_online.js

xiaoyuer_online.js

632 ms

jquery.smoove.min.js

jquery.smoove.min.js

633 ms

en.png

en.png

227 ms

es.png

es.png

227 ms

fr.png

fr.png

273 ms

6437a24e8cb66.jpg

6437a24e8cb66.jpg

386 ms

6438cb6df0a2c.jpg

6438cb6df0a2c.jpg

612 ms

6438ce217208f.jpg

6438ce217208f.jpg

620 ms

6438ce4e8b849.jpg

6438ce4e8b849.jpg

688 ms

66cd61a6d9979.jpg

66cd61a6d9979.jpg

757 ms

DIN-F4-Resilient-seated-gate-valve.12.1.jpg

DIN-F4-Resilient-seated-gate-valve.12.1.jpg

473 ms

Socket-end-Gate-Valve-For-PVC-Pipe.16.1.jpg

Socket-end-Gate-Valve-For-PVC-Pipe.16.1.jpg

593 ms

F5-Resilient-Seated-Gate-Vave.15.1.jpg

F5-Resilient-Seated-Gate-Vave.15.1.jpg

678 ms

PN25-DIN-F4-Non-Rising-Reislient-Seated-Gate-Valve.47.1.jpg

PN25-DIN-F4-Non-Rising-Reislient-Seated-Gate-Valve.47.1.jpg

797 ms

Manhole-Cover.44.1.jpg

Manhole-Cover.44.1.jpg

819 ms

BS-Non-rising-resilient-seated-gate-valve.17.1.jpg

BS-Non-rising-resilient-seated-gate-valve.17.1.jpg

820 ms

DIN-F4-Non-Rising-Stem-Metal-seated-gate-valve.20.1.jpg

DIN-F4-Non-Rising-Stem-Metal-seated-gate-valve.20.1.jpg

887 ms

AWWA-Non-rising-resilient-seated-gate-valve.19.1.jpg

AWWA-Non-rising-resilient-seated-gate-valve.19.1.jpg

895 ms

leftcontact.jpg

leftcontact.jpg

1092 ms

64425d09a12cc.jpg

64425d09a12cc.jpg

1195 ms

ar.png

ar.png

1025 ms

ru.png

ru.png

1025 ms

de.png

de.png

1098 ms

it.png

it.png

1107 ms

ja.png

ja.png

1231 ms

ko.png

ko.png

1232 ms

pt.png

pt.png

1298 ms

hi.png

hi.png

1304 ms

ro.png

ro.png

1316 ms

pl.png

pl.png

1401 ms

th.png

th.png

1432 ms

map.gif

map.gif

1439 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1457 ms

643f4d0250da2.jpg

643f4d0250da2.jpg

1686 ms

bx_loader.gif

bx_loader.gif

1455 ms

left_sli.gif

left_sli.gif

1483 ms

decor-brand-red.png

decor-brand-red.png

1450 ms

controls.png

controls.png

1438 ms

tops.png

tops.png

1548 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

337 ms

Accessibility Review

metalcovalve.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

Names and labels

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.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

metalcovalve.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

metalcovalve.com SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

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/).

Impact

Issue

High

Document uses legible font sizes

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 Metalcovalve.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 Metalcovalve.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

metalcovalve.com

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