Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

chemtechvalves.com

Valves, Industrial Valves, Customized valves, Control Valves, Fabricated Valves, High Pressure Valves, Actuator Operated Valves, Cryogenic Valves

Page Load Speed

5.4 sec in total

First Response

523 ms

Resources Loaded

4.8 sec

Page Rendered

125 ms

chemtechvalves.com screenshot

About Website

Welcome to chemtechvalves.com homepage info - get ready to check Chemtech Valves best content right away, or after learning these important things about chemtechvalves.com

Chemtech valves is one of the leading manufacturers of all types of Industrial Valves, chemtech would like to introduce ourselves as one of the Leading Industrial Valves. Like Ball, Gate, Globe, check...

Visit chemtechvalves.com

Key Findings

We analyzed Chemtechvalves.com page load time and found that the first response time was 523 ms and then it took 4.9 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

chemtechvalves.com performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value10.8 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value5,660 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.793

5/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

chemtechvalves.com

523 ms

css

22 ms

jquery-1.7.1.min.js

21 ms

jquery.flexisel.js

248 ms

html5gallery.js

734 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 76% of them (73 requests) were addressed to the original Chemtechvalves.com, 7% (7 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Chemtechvalves.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 165.3 kB (12%)

Content Size

1.3 MB

After Optimization

1.2 MB

In fact, the total size of Chemtechvalves.com main page is 1.3 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. 60% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 92.5 kB

  • Original 112.8 kB
  • After minification 109.8 kB
  • After compression 20.4 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 92.5 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 67.7 kB

  • Original 1.2 MB
  • After minification 1.1 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. Chemtech Valves images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 4.8 kB

  • Original 53.5 kB
  • After minification 53.5 kB
  • After compression 48.7 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

-17%

Potential reduce by 346 B

  • Original 2.0 kB
  • After minification 2.0 kB
  • After compression 1.7 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. Chemtechvalves.com needs all CSS files to be minified and compressed as it can save up to 346 B or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (22%)

Requests Now

87

After Optimization

68

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemtech Valves. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

chemtechvalves.com accessibility score

65

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

chemtechvalves.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

chemtechvalves.com SEO score

58

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chemtechvalves.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 Chemtechvalves.com main page’s claimed encoding is . 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

Open Graph description is not detected on the main page of Chemtech Valves. 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: