Tools & Wizards About Us
boiler-units.com screenshot

Report Summary

  • 88

    Performance

    Renders faster than
    90% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 91% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

boiler-units.com

Quality Boiler Mud Drum & Boiler Water Wall factory from China

Page Load Speed

1 sec in total

First Response

103 ms

Resources Loaded

631 ms

Page Rendered

271 ms

boiler-units.com screenshot

About Website

Click here to check amazing Boiler Units content. Otherwise, check out these important facts you probably never knew about boiler-units.com

China leading provider of Boiler Mud Drum and Boiler Water Wall, Suzhou orl power engineering co ., ltd is Boiler Water Wall factory.

Visit boiler-units.com

Key Findings

We analyzed Boiler-units.com page load time and found that the first response time was 103 ms and then it took 902 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

boiler-units.com performance score

88

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.146

77/100

15%

TTI (Time to Interactive)

Value4.7 s

80/100

10%

Network Requests Diagram

boiler-units.com

103 ms

www.boiler-units.com

176 ms

www.boiler-units.com

35 ms

jquery.js

69 ms

www.boiler-units.com

183 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 88% of them (21 requests) were addressed to the original Boiler-units.com, 8% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (186 ms) belongs to the original domain Boiler-units.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 164.9 kB (29%)

Content Size

560.1 kB

After Optimization

395.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Boiler-units.com main page is 560.1 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. 25% of websites need less resources to load. Images take 230.9 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 110.2 kB

  • Original 130.1 kB
  • After minification 104.8 kB
  • After compression 19.9 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 25.3 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 110.2 kB or 85% of the original size.

Image Optimization

-13%

Potential reduce by 30.6 kB

  • Original 230.9 kB
  • After minification 200.4 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. Obviously, Boiler Units needs image optimization as it can save up to 30.6 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-11%

Potential reduce by 18.4 kB

  • Original 165.8 kB
  • After minification 165.8 kB
  • After compression 147.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 18.4 kB or 11% of the original size.

CSS Optimization

-17%

Potential reduce by 5.8 kB

  • Original 33.3 kB
  • After minification 33.3 kB
  • After compression 27.5 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. Boiler-units.com needs all CSS files to be minified and compressed as it can save up to 5.8 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (21%)

Requests Now

19

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boiler Units. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

boiler-units.com

boiler-units.com

103 ms

www.boiler-units.com

www.boiler-units.com

176 ms

www.boiler-units.com

www.boiler-units.com

35 ms

jquery.js

jquery.js

69 ms

www.boiler-units.com

www.boiler-units.com

183 ms

logo.gif

logo.gif

35 ms

floatimage_chat.gif

floatimage_chat.gif

77 ms

close.png

close.png

66 ms

error.png

error.png

92 ms

css-sprite.png

css-sprite.png

169 ms

cl19831531-boiler_mud_drum.jpg

cl19831531-boiler_mud_drum.jpg

147 ms

load_icon.gif

load_icon.gif

126 ms

pql_video_tag.png

pql_video_tag.png

126 ms

mainbottom.jpg

mainbottom.jpg

186 ms

cd23079072-suzhou_orl_power_engineering_co_ltd.jpg

cd23079072-suzhou_orl_power_engineering_co_ltd.jpg

127 ms

ecer_video_play.png

ecer_video_play.png

148 ms

stats.js

stats.js

66 ms

analytics.js

analytics.js

37 ms

iconfont.woff

iconfont.woff

33 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

44 ms

collect

collect

15 ms

js

js

73 ms

iconfont.ttf

iconfont.ttf

32 ms

iconfont.svg

iconfont.svg

39 ms

Accessibility Review

boiler-units.com accessibility score

97

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.

Best Practices

boiler-units.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

boiler-units.com SEO score

98

Search Engine Optimization Advices

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 Boiler-units.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 Boiler-units.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

boiler-units.com

Open Graph description is not detected on the main page of Boiler Units. 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: