Tools & Wizards About Us
jmheatexchanger.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

jmheatexchanger.com

Heat Exchanger,Cooling Tower,Water Chiller,Tunnel Air Conditioning Manufacturer and Supplier in China

Page Load Speed

4.7 sec in total

First Response

400 ms

Resources Loaded

3.8 sec

Page Rendered

515 ms

jmheatexchanger.com screenshot

About Website

Welcome to jmheatexchanger.com homepage info - get ready to check Jm Heat Exchanger best content right away, or after learning these important things about jmheatexchanger.com

We are manufacturer of Heat Exchanger in China, if you want to buy Cooling Tower, Water Chiller, Tunnel Air Conditioning, please contact us. We sincerely hope to establish business relationships and c...

Visit jmheatexchanger.com

Key Findings

We analyzed Jmheatexchanger.com page load time and found that the first response time was 400 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

jmheatexchanger.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value160 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.168

71/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

jmheatexchanger.com

400 ms

www.jmheatexchanger.com

653 ms

swiper-4.2.0.min.css

298 ms

aos.css

834 ms

iconfont.css

318 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 6% of them (4 requests) were addressed to the original Jmheatexchanger.com, 46% (31 requests) were made to Bsg-s.nbxc.com and 35% (24 requests) were made to Bsg-i.nbxc.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Bsg-i.nbxc.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 202.2 kB (5%)

Content Size

4.0 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jmheatexchanger.com main page is 4.0 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. 65% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 90.4 kB

  • Original 106.2 kB
  • After minification 76.1 kB
  • After compression 15.8 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 30.1 kB, which is 28% 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 90.4 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 86.3 kB

  • Original 3.7 MB
  • After minification 3.6 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. Jm Heat Exchanger images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 13.8 kB

  • Original 164.1 kB
  • After minification 163.7 kB
  • After compression 150.3 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

-22%

Potential reduce by 11.7 kB

  • Original 52.8 kB
  • After minification 50.7 kB
  • After compression 41.1 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. Jmheatexchanger.com needs all CSS files to be minified and compressed as it can save up to 11.7 kB or 22% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (41%)

Requests Now

63

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jm Heat Exchanger. 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jmheatexchanger.com

jmheatexchanger.com

400 ms

www.jmheatexchanger.com

www.jmheatexchanger.com

653 ms

swiper-4.2.0.min.css

swiper-4.2.0.min.css

298 ms

aos.css

aos.css

834 ms

iconfont.css

iconfont.css

318 ms

language.css

language.css

301 ms

language-small.css

language-small.css

316 ms

style.css

style.css

308 ms

proImgShow.css

proImgShow.css

301 ms

ship.css

ship.css

301 ms

normal.css

normal.css

326 ms

jquery.min.js

jquery.min.js

314 ms

js.js

js.js

65 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

317 ms

swiper-4.2.0.min.js

swiper-4.2.0.min.js

318 ms

aos.js

aos.js

318 ms

index.js

index.js

320 ms

jquery.cookie.js

jquery.cookie.js

322 ms

basket.js

basket.js

320 ms

jquery.picEyes.js

jquery.picEyes.js

321 ms

classify.js

classify.js

322 ms

modal.js

modal.js

323 ms

js

js

63 ms

font_4111451_ew3san1w4ld.css

font_4111451_ew3san1w4ld.css

71 ms

slide1.js

slide1.js

324 ms

addthis_widget.js

addthis_widget.js

53 ms

index_ce_version.js

index_ce_version.js

322 ms

matomo2.js

matomo2.js

1283 ms

322dfa2675cfda4fd72e8b947ec1f4.jpg

322dfa2675cfda4fd72e8b947ec1f4.jpg

326 ms

video.png

video.png

31 ms

whatsapp.gif

whatsapp.gif

32 ms

f_logo3.png

f_logo3.png

32 ms

f_logo2.png

f_logo2.png

31 ms

close.png

close.png

31 ms

loading-2.gif

loading-2.gif

33 ms

8c3558438b931e7a6cd0cd581cae91b0.jpg

8c3558438b931e7a6cd0cd581cae91b0.jpg

745 ms

327504a4e9d9023a94cd3c78abdca331.jpg

327504a4e9d9023a94cd3c78abdca331.jpg

678 ms

b9a9c8cfb71152733d3b8ae38ea7c50c.jpg

b9a9c8cfb71152733d3b8ae38ea7c50c.jpg

712 ms

9a86152d6430ade76897dc3eab.jpg@4e_360w_360h.src

9a86152d6430ade76897dc3eab.jpg@4e_360w_360h.src

654 ms

8e750dac27cb0f8c7907fccf80.png@4e_360w_360h.src

8e750dac27cb0f8c7907fccf80.png@4e_360w_360h.src

344 ms

c15cc4a98ee3bac766e92d65a9.jpg@4e_360w_360h.src

c15cc4a98ee3bac766e92d65a9.jpg@4e_360w_360h.src

701 ms

28ff1c56a29062dc615f0e8c1c.jpg@4e_360w_360h.src

28ff1c56a29062dc615f0e8c1c.jpg@4e_360w_360h.src

666 ms

92fd7efa7b4ff50af61c707996.jpg@4e_360w_360h.src

92fd7efa7b4ff50af61c707996.jpg@4e_360w_360h.src

1013 ms

d764b17929010576fd5500cbdc.jpg@4e_360w_360h.src

d764b17929010576fd5500cbdc.jpg@4e_360w_360h.src

1084 ms

d317f1b38a1c5ba7eb8b471668.jpg@4e_360w_360h.src

d317f1b38a1c5ba7eb8b471668.jpg@4e_360w_360h.src

1011 ms

3972d1968647df7ea8c81ae880.jpg@4e_360w_360h.src

3972d1968647df7ea8c81ae880.jpg@4e_360w_360h.src

1249 ms

8c7e5e74d5b3add053f673a1e1ede1.jpg

8c7e5e74d5b3add053f673a1e1ede1.jpg

1705 ms

e91c7c43e2419dfbe4f490d4ff975c.jpg

e91c7c43e2419dfbe4f490d4ff975c.jpg

1095 ms

77672bbccfcf0f2d41973619c39568.jpg

77672bbccfcf0f2d41973619c39568.jpg

1438 ms

313569605d80c63d3632993367c1a2.jpg

313569605d80c63d3632993367c1a2.jpg

1340 ms

470eaa4cd2d83d9769a575f2e3e7fc.jpg

470eaa4cd2d83d9769a575f2e3e7fc.jpg

1489 ms

5dc2d7aafa7ccbded11d373c82.jpg@4e_360w_360h.src

5dc2d7aafa7ccbded11d373c82.jpg@4e_360w_360h.src

1433 ms

8f6b6e1b783f0f161732a380ff.jpg@4e_360w_360h.src

8f6b6e1b783f0f161732a380ff.jpg@4e_360w_360h.src

1575 ms

f6385a31b889e1fe583bb4d591.jpg@4e_360w_360h.src

f6385a31b889e1fe583bb4d591.jpg@4e_360w_360h.src

1843 ms

3a92a344bd2573bdbda8a2062f.jpg@4e_360w_360h.src

3a92a344bd2573bdbda8a2062f.jpg@4e_360w_360h.src

1768 ms

c5dbac55645cdcebf785e983aefd95.png

c5dbac55645cdcebf785e983aefd95.png

1443 ms

media.png

media.png

40 ms

c5dbac55645cdcebf785e983aefd95.png@4e_120w_120h.src

c5dbac55645cdcebf785e983aefd95.png@4e_120w_120h.src

1422 ms

62b6352356a0cd3bbd03ed1d049f06fd.png@4e_120w_120h.src

62b6352356a0cd3bbd03ed1d049f06fd.png@4e_120w_120h.src

1427 ms

js

js

58 ms

analytics.js

analytics.js

51 ms

font_4111451_ew3san1w4ld.woff

font_4111451_ew3san1w4ld.woff

100 ms

iconfont.woff

iconfont.woff

31 ms

iconfont-new.woff

iconfont-new.woff

30 ms

bg-1.png

bg-1.png

72 ms

collect

collect

91 ms

basketShow.html

basketShow.html

107 ms

matomo.php

matomo.php

298 ms

Accessibility Review

jmheatexchanger.com accessibility score

87

Accessibility Issues

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

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

Best Practices

jmheatexchanger.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

High

Page has valid source maps

SEO Factors

jmheatexchanger.com SEO score

82

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Jmheatexchanger.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 Jmheatexchanger.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

jmheatexchanger.com

Open Graph description is not detected on the main page of Jm Heat Exchanger. 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: