Tools & Wizards About Us
knf.com.sg screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

knf.com.sg

Diaphragm Pumps & Systems | KNF

Page Load Speed

3.1 sec in total

First Response

290 ms

Resources Loaded

2.6 sec

Page Rendered

236 ms

knf.com.sg screenshot

About Website

Click here to check amazing KNF content. Otherwise, check out these important facts you probably never knew about knf.com.sg

With a commitment to innovation, reliability and excellence, KNF develops, designs and manufactures diaphragm pumps for moving gases and liquids in industries worldwide.

Visit knf.com.sg

Key Findings

We analyzed Knf.com.sg page load time and found that the first response time was 290 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

knf.com.sg performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

43/100

25%

SI (Speed Index)

Value7.3 s

28/100

10%

TBT (Total Blocking Time)

Value1,250 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

knf.com.sg

290 ms

sg

491 ms

knf.min.css

359 ms

uc.js

26 ms

MathJax.js

27 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Knf.com.sg, 90% (53 requests) were made to Knf.com and 7% (4 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Knf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 262.9 kB (4%)

Content Size

6.7 MB

After Optimization

6.5 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Knf.com.sg main page is 6.7 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. 50% of websites need less resources to load. Images take 6.4 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 161.5 kB

  • Original 182.3 kB
  • After minification 175.9 kB
  • After compression 20.8 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. 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 161.5 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 13.6 kB

  • Original 6.4 MB
  • After minification 6.4 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. KNF images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 87.9 kB

  • Original 113.2 kB
  • After minification 113.2 kB
  • After compression 25.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 87.9 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (21%)

Requests Now

57

After Optimization

45

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KNF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

knf.com.sg

knf.com.sg

290 ms

sg

sg

491 ms

knf.min.css

knf.min.css

359 ms

uc.js

uc.js

26 ms

MathJax.js

MathJax.js

27 ms

knf.libs-min.js

knf.libs-min.js

373 ms

knf.app-min.js

knf.app-min.js

372 ms

TeX-AMS_HTML.js

TeX-AMS_HTML.js

59 ms

Logo.svg

Logo.svg

94 ms

Search.svg

Search.svg

161 ms

Right.svg

Right.svg

162 ms

Region.svg

Region.svg

190 ms

Down.svg

Down.svg

211 ms

Small.svg

Small.svg

212 ms

map_320x176.jpg

map_320x176.jpg

281 ms

csm_KNF_Coffee_Case_Slider_1920_900px_f1da68fad0.jpg

csm_KNF_Coffee_Case_Slider_1920_900px_f1da68fad0.jpg

737 ms

csm_2024_Case_Megnaje-Xaar_1920px_900px_90700093ca.jpg

csm_2024_Case_Megnaje-Xaar_1920px_900px_90700093ca.jpg

821 ms

csm_2023_Case_Efficient_Energy_Slider_1920_900px_01_a162c8122f.png

csm_2023_Case_Efficient_Energy_Slider_1920_900px_01_a162c8122f.png

734 ms

csm_2022_Cern_Slider_2663_1248px_d63279d37a.jpg

csm_2022_Cern_Slider_2663_1248px_d63279d37a.jpg

680 ms

csm_2022_Aerosol_Desert_5623_2636px_0092efe23e.jpg

csm_2022_Aerosol_Desert_5623_2636px_0092efe23e.jpg

573 ms

csm_2022_Laboport_new_keyvisual_Keyvisual_7a8e7e976d.jpg

csm_2022_Laboport_new_keyvisual_Keyvisual_7a8e7e976d.jpg

678 ms

csm_Product_FP70_2021_1920x1080px_9b52fd3050.jpg

csm_Product_FP70_2021_1920x1080px_9b52fd3050.jpg

681 ms

Close.svg

Close.svg

736 ms

built_in_pumps.svg

built_in_pumps.svg

754 ms

lab.svg

lab.svg

755 ms

gas.svg

gas.svg

826 ms

liquid.svg

liquid.svg

827 ms

mostly_gas.svg

mostly_gas.svg

825 ms

mostly_liquid.svg

mostly_liquid.svg

844 ms

mostly_gas_liquid_aspiration.svg

mostly_gas_liquid_aspiration.svg

845 ms

compression.svg

compression.svg

929 ms

transfer.svg

transfer.svg

930 ms

vacuum.svg

vacuum.svg

931 ms

liquid_aspiration.svg

liquid_aspiration.svg

933 ms

liquid_dosing.svg

liquid_dosing.svg

937 ms

liquid_transfer.svg

liquid_transfer.svg

938 ms

mostly_gas_liquid_transfer.svg

mostly_gas_liquid_transfer.svg

1001 ms

centrifugal.svg

centrifugal.svg

1003 ms

degassing.svg

degassing.svg

1005 ms

desiccation.svg

desiccation.svg

1006 ms

distillation.svg

distillation.svg

1024 ms

filtration.svg

filtration.svg

994 ms

gel_drying.svg

gel_drying.svg

1029 ms

multi-user_vacuum_system.svg

multi-user_vacuum_system.svg

1004 ms

rotary.svg

rotary.svg

936 ms

spe.svg

spe.svg

936 ms

vacuum_oven.svg

vacuum_oven.svg

948 ms

csm_Medical_doctor_health_solutions_industries_2020_1200px_900px_5d45bb422b.jpg

csm_Medical_doctor_health_solutions_industries_2020_1200px_900px_5d45bb422b.jpg

928 ms

csm_2020_Lab_woman_brochure_applications_2020_1200px_900px_5c39a5ac44.jpg

csm_2020_Lab_woman_brochure_applications_2020_1200px_900px_5c39a5ac44.jpg

972 ms

csm_0504_Martin_Becker_Portraet_our_motivation_2020_1200px_900px_e0f3e00a4d.jpg

csm_0504_Martin_Becker_Portraet_our_motivation_2020_1200px_900px_e0f3e00a4d.jpg

974 ms

csm_Man_smiling_Careers_Culture_Values_2020_1200px_900px_-_Kopie_a6ef89124f.jpg

csm_Man_smiling_Careers_Culture_Values_2020_1200px_900px_-_Kopie_a6ef89124f.jpg

908 ms

csm_Female_engineer_robot_HR_Careers_Culture_Values_2020_1200px_900px_9975f37edf.jpg

csm_Female_engineer_robot_HR_Careers_Culture_Values_2020_1200px_900px_9975f37edf.jpg

616 ms

slick.min.js

slick.min.js

9 ms

slick.min.css

slick.min.css

74 ms

csm_Leitbild_Puzzle_Careers_Culture_Values_2020_1200px_900px_98268ed44c.jpg

csm_Leitbild_Puzzle_Careers_Culture_Values_2020_1200px_900px_98268ed44c.jpg

526 ms

2019_knf_blog_teaser_placeholder.jpg

2019_knf_blog_teaser_placeholder.jpg

527 ms

csm_Compamed_KNF_November_Event_2020_1200px_900px_63aed55aa8.jpg

csm_Compamed_KNF_November_Event_2020_1200px_900px_63aed55aa8.jpg

582 ms

csm_2024_News_Schmachtl_test_2_1920_900px_4ca41eeb00.png

csm_2024_News_Schmachtl_test_2_1920_900px_4ca41eeb00.png

722 ms

csm_iStock-490718202-Portra-erweiterteLizenz_1632px_1090px_f25bdf3f50.png

csm_iStock-490718202-Portra-erweiterteLizenz_1632px_1090px_f25bdf3f50.png

541 ms

Accessibility Review

knf.com.sg accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

[aria-*] attributes do not have valid values

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.

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

knf.com.sg best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

knf.com.sg SEO score

86

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

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 Knf.com.sg 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 Knf.com.sg 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

knf.com.sg

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