Tools & Wizards About Us
lefoo.com screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    70% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

lefoo.com

LEFOO | Pressure Control & Sensing Products | China Manufacturer

Page Load Speed

4.1 sec in total

First Response

274 ms

Resources Loaded

2.7 sec

Page Rendered

1.1 sec

lefoo.com screenshot

About Website

Visit lefoo.com now to see the best up-to-date LEFOO content for Ukraine and also check out these interesting facts you probably never knew about lefoo.com

Founded in 2000, Lefoo is an electromechanical enterprise integrating R&D, production, and sales. Its main products include pressure switches, pressure transmitters, water pumps, etc., which are widel...

Visit lefoo.com

Key Findings

We analyzed Lefoo.com page load time and found that the first response time was 274 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

lefoo.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

73/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

lefoo.com

274 ms

www.lefoo.com

792 ms

js

118 ms

jquery.js

49 ms

lazyload.min.js

73 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 99% of them (81 requests) were addressed to the original Lefoo.com, 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Lefoo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 804.9 kB (11%)

Content Size

7.0 MB

After Optimization

6.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lefoo.com main page is 7.0 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 6.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 571.8 kB

  • Original 667.7 kB
  • After minification 666.5 kB
  • After compression 95.9 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. 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 571.8 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 186.3 kB

  • Original 6.2 MB
  • After minification 6.0 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. LEFOO images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 46.6 kB

  • Original 188.6 kB
  • After minification 187.1 kB
  • After compression 142.0 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 46.6 kB or 25% of the original size.

CSS Optimization

-17%

Potential reduce by 250 B

  • Original 1.5 kB
  • After minification 1.5 kB
  • After compression 1.3 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. Lefoo.com needs all CSS files to be minified and compressed as it can save up to 250 B or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (27%)

Requests Now

79

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LEFOO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

lefoo.com

lefoo.com

274 ms

www.lefoo.com

www.lefoo.com

792 ms

js

js

118 ms

jquery.js

jquery.js

49 ms

lazyload.min.js

lazyload.min.js

73 ms

jquery-migrate.min.js

jquery-migrate.min.js

74 ms

modernizr-custom.js

modernizr-custom.js

76 ms

theia-sticky-sidebar.js

theia-sticky-sidebar.js

260 ms

owl-carousel.js

owl-carousel.js

277 ms

init.js

init.js

275 ms

frontend-modules.min.js

frontend-modules.min.js

276 ms

dialog.min.js

dialog.min.js

275 ms

frontend.min.js

frontend.min.js

282 ms

accordion.js

accordion.js

276 ms

countto.js

countto.js

282 ms

waypoints.js

waypoints.js

281 ms

kenburnsy.js

kenburnsy.js

287 ms

swiper.js

swiper.js

288 ms

parallax.js

parallax.js

294 ms

inito.js

inito.js

293 ms

lgpd-consent.css

lgpd-consent.css

293 ms

js.cookie.min.js

js.cookie.min.js

296 ms

magnific-popup.js

magnific-popup.js

296 ms

lgpd-consent.js

lgpd-consent.js

296 ms

ga-lite.min.js

ga-lite.min.js

295 ms

logo.png

logo.png

296 ms

jpg-65050df2b0072.jpg

jpg-65050df2b0072.jpg

298 ms

about-bg-left.png

about-bg-left.png

297 ms

bg-repeater.png

bg-repeater.png

296 ms

contact-map.jpg

contact-map.jpg

432 ms

abstract.png

abstract.png

297 ms

left-img.png

left-img.png

296 ms

arrow-right.jpg

arrow-right.jpg

298 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

55 ms

jpg.jpg

jpg.jpg

119 ms

jpg-65050d579d9c7.jpg

jpg-65050d579d9c7.jpg

121 ms

jpg-65050da71f060.jpg

jpg-65050da71f060.jpg

120 ms

5-lefoogroup-1650937428.jpg

5-lefoogroup-1650937428.jpg

116 ms

banner-lefoo-2-64a2f4bbaa990.jpg

banner-lefoo-2-64a2f4bbaa990.jpg

121 ms

banner-lefoo-64c1283d58a09.jpg

banner-lefoo-64c1283d58a09.jpg

117 ms

newsletter.jpg

newsletter.jpg

118 ms

lefoo.jpg

lefoo.jpg

149 ms

08-2.png

08-2.png

284 ms

5-2.jpg

5-2.jpg

218 ms

differential-pressure-switch-lf32.jpg

differential-pressure-switch-lf32.jpg

191 ms

o1cn01lx2qyo1hypqqyuhxo-967804289-0-cib.jpg

o1cn01lx2qyo1hypqqyuhxo-967804289-0-cib.jpg

219 ms

58-1.jpg

58-1.jpg

223 ms

lf-pc-1.jpg

lf-pc-1.jpg

245 ms

e9guy8xqquqbhmpnsyay4w.jpg

e9guy8xqquqbhmpnsyay4w.jpg

267 ms

fs5.jpg

fs5.jpg

317 ms

1-2.jpg

1-2.jpg

343 ms

2.jpg

2.jpg

328 ms

lefoo.jpg

lefoo.jpg

363 ms

lefoo-home.jpg

lefoo-home.jpg

350 ms

02.jpg

02.jpg

412 ms

1.jpg

1.jpg

436 ms

h1ad1e6e835bf418683b1b9188811b0b1x.jpg

h1ad1e6e835bf418683b1b9188811b0b1x.jpg

451 ms

58.jpg

58.jpg

443 ms

peristaltic-pump.jpg

peristaltic-pump.jpg

411 ms

201504221451318906.jpg

201504221451318906.jpg

451 ms

6.jpg

6.jpg

1024 ms

1-628d9ae0bd54e.jpg

1-628d9ae0bd54e.jpg

1032 ms

lfz-01-649b918f50590.jpg

lfz-01-649b918f50590.jpg

1043 ms

refrigerator.jpg

refrigerator.jpg

1033 ms

air-conditioner-5d38c79a6cfb4.jpg

air-conditioner-5d38c79a6cfb4.jpg

1042 ms

household.jpg

household.jpg

1042 ms

car-eletric.jpg

car-eletric.jpg

1101 ms

35a85edf8db1cb13beadb462360d564493584b5b.jpg

35a85edf8db1cb13beadb462360d564493584b5b.jpg

1144 ms

frontend-msie.min.css

frontend-msie.min.css

1018 ms

compressor-5d38c72ecc90c.jpg

compressor-5d38c72ecc90c.jpg

1075 ms

a8ex9-2gbm1.jpg

a8ex9-2gbm1.jpg

1058 ms

a8xt7-k1mrm.jpg

a8xt7-k1mrm.jpg

1029 ms

air-compressor.jpg

air-compressor.jpg

1075 ms

air.jpg

air.jpg

1086 ms

fire.jpg

fire.jpg

1137 ms

level-control.jpg

level-control.jpg

1170 ms

lgpd-consent.php

lgpd-consent.php

1084 ms

water-pump.jpg

water-pump.jpg

1147 ms

-628f1acba0c8e.jpg

-628f1acba0c8e.jpg

1105 ms

12-23-2.jpg

12-23-2.jpg

1096 ms

image001-614538e84d0bb.jpg

image001-614538e84d0bb.jpg

1078 ms

logo-65f3749f353c7.png

logo-65f3749f353c7.png

34 ms

Accessibility Review

lefoo.com accessibility score

79

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

lefoo.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

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

lefoo.com SEO score

76

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 Lefoo.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 Lefoo.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

lefoo.com

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