Tools & Wizards About Us
knflab.com screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

knflab.com

Diaphragm Pumps & Systems | KNF

Page Load Speed

4.1 sec in total

First Response

219 ms

Resources Loaded

3 sec

Page Rendered

842 ms

knflab.com screenshot

About Website

Visit knflab.com now to see the best up-to-date KNF Lab content and also check out these interesting facts you probably never knew about knflab.com

KNF Lab Pumps & Systems are ideal for everyday laboratory use, offering excellent quality and user-friendly operation.

Visit knflab.com

Key Findings

We analyzed Knflab.com page load time and found that the first response time was 219 ms and then it took 3.9 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

knflab.com performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

knflab.com

219 ms

laboratory-equipment

1089 ms

knf.min.css

360 ms

uc.js

31 ms

MathJax.js

28 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Knflab.com, 91% (70 requests) were made to Knf.com and 6% (5 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Knf.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 287.8 kB (18%)

Content Size

1.6 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Knflab.com main page is 1.6 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 196.2 kB

  • Original 221.6 kB
  • After minification 208.1 kB
  • After compression 25.4 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 196.2 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 3.8 kB

  • Original 1.3 MB
  • After minification 1.3 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 Lab 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 20 (27%)

Requests Now

75

After Optimization

55

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KNF Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

knflab.com

knflab.com

219 ms

laboratory-equipment

laboratory-equipment

1089 ms

knf.min.css

knf.min.css

360 ms

uc.js

uc.js

31 ms

MathJax.js

MathJax.js

28 ms

knf.libs-min.js

knf.libs-min.js

392 ms

knf.app-min.js

knf.app-min.js

391 ms

TeX-AMS_HTML.js

TeX-AMS_HTML.js

82 ms

Logo.svg

Logo.svg

104 ms

Search.svg

Search.svg

228 ms

Login.svg

Login.svg

229 ms

External3.svg

External3.svg

303 ms

Right.svg

Right.svg

301 ms

Region.svg

Region.svg

302 ms

Down.svg

Down.svg

322 ms

Small.svg

Small.svg

363 ms

Empty_Cart.svg

Empty_Cart.svg

359 ms

Login.svg

Login.svg

360 ms

map_320x176.jpg

map_320x176.jpg

365 ms

Close.svg

Close.svg

362 ms

csm_Lab_product_SC_820_G_Black_dc7a5580ff.png

csm_Lab_product_SC_820_G_Black_dc7a5580ff.png

591 ms

csm_Lab_product_SC_840_G_Black_57a9da65e3.png

csm_Lab_product_SC_840_G_Black_57a9da65e3.png

686 ms

csm_Lab_product_Laboport_mini_UN_86_KT_45_P_US_side_2020_1200px_900px_a7a58f2f92.png

csm_Lab_product_Laboport_mini_UN_86_KT_45_P_US_side_2020_1200px_900px_a7a58f2f92.png

451 ms

csm_Lab_product_N_86_side__2020_1200px_900px_7dd9a5676b.png

csm_Lab_product_N_86_side__2020_1200px_900px_7dd9a5676b.png

543 ms

csm_Lab_product_Laboport_N_96_side_2020_1200px_900px_aa2fec5ad0.png

csm_Lab_product_Laboport_N_96_side_2020_1200px_900px_aa2fec5ad0.png

543 ms

csm_Lab_product_Laboport_mini_UN_811_KTP_US_side_2020_1200px_900px_019fca1449.png

csm_Lab_product_Laboport_mini_UN_811_KTP_US_side_2020_1200px_900px_019fca1449.png

451 ms

csm_Lab_product_Laboport_mini_UN_811_KV_45_P_US_side_2020_1200px_900px_aa5fd0b6a1.png

csm_Lab_product_Laboport_mini_UN_811_KV_45_P_US_side_2020_1200px_900px_aa5fd0b6a1.png

544 ms

csm_Lab_product_Laboport_mini_UN_811_KVP_US_side_2020_1200px_900px_7e13972f68.png

csm_Lab_product_Laboport_mini_UN_811_KVP_US_side_2020_1200px_900px_7e13972f68.png

544 ms

csm_Lab_product_Laboport_mini_UN_816_3_KT_45_P_US_side_2020_1200px_900px_4082e3dc68.png

csm_Lab_product_Laboport_mini_UN_816_3_KT_45_P_US_side_2020_1200px_900px_4082e3dc68.png

795 ms

csm_Lab_product_Laboport_N_816_3KT_18side_2020_1200px_900px_02546be114.png

csm_Lab_product_Laboport_N_816_3KT_18side_2020_1200px_900px_02546be114.png

795 ms

csm_Lab_product_Laboport_N_816.1.2KT.18side_2020_1200px_900px_0974075570.png

csm_Lab_product_Laboport_N_816.1.2KT.18side_2020_1200px_900px_0974075570.png

796 ms

csm_Lab_product_Laboport_mini_UN_816_1_2_KT_45_P_US_side_2020_1200px_900px_2e5377116a.png

csm_Lab_product_Laboport_mini_UN_816_1_2_KT_45_P_US_side_2020_1200px_900px_2e5377116a.png

687 ms

csm_Lab_product_Laboport_N_938_50KT_18side_2020_1200px_900px_a5f19e1a8a.png

csm_Lab_product_Laboport_N_938_50KT_18side_2020_1200px_900px_a5f19e1a8a.png

797 ms

csm_Lab_product_Laboport_UN_810_3_FTP_US_side_2020_1200px_900px_184e7102e5.png

csm_Lab_product_Laboport_UN_810_3_FTP_US_side_2020_1200px_900px_184e7102e5.png

794 ms

csm_Lab_product_Laboport_UN_820_FTP_US_side_2020_1200px_900px_2a5715f7e1.png

csm_Lab_product_Laboport_UN_820_FTP_US_side_2020_1200px_900px_2a5715f7e1.png

795 ms

csm_Lab_product_Laboport_N_820_G_side_2020_1200px_900px_5f643edddb.png

csm_Lab_product_Laboport_N_820_G_side_2020_1200px_900px_5f643edddb.png

836 ms

csm_Lab_product_Laboport_UN_820_3_FTP_US_side_2020_1200px_900px_b70e6414ca.png

csm_Lab_product_Laboport_UN_820_3_FTP_US_side_2020_1200px_900px_b70e6414ca.png

931 ms

csm_Lab_product_N_920KT_29.18G_side_2020_1200px_900px_fc6f46ebca.png

csm_Lab_product_N_920KT_29.18G_side_2020_1200px_900px_fc6f46ebca.png

931 ms

csm_Lab_product_Laboport_UN_840_FTP_US_side_2020_1200px_900px_31848ecb4d.png

csm_Lab_product_Laboport_UN_840_FTP_US_side_2020_1200px_900px_31848ecb4d.png

838 ms

csm_Lab_product_Laboport_UN_840_3_FTP_US_side_2020_1200px_900px_5de8be7009.png

csm_Lab_product_Laboport_UN_840_3_FTP_US_side_2020_1200px_900px_5de8be7009.png

839 ms

csm_Lab_product_N_842_3_FT_18_side_2020_1200px_900px_8948b29823.png

csm_Lab_product_N_842_3_FT_18_side_2020_1200px_900px_8948b29823.png

880 ms

csm_Lab-Pumps-Systems_Accessories-Spares_Laboratory_d072953dda.jpg

csm_Lab-Pumps-Systems_Accessories-Spares_Laboratory_d072953dda.jpg

888 ms

Linked.svg

Linked.svg

860 ms

You.svg

You.svg

833 ms

Search.svg

Search.svg

777 ms

Login.svg

Login.svg

786 ms

External3.svg

External3.svg

756 ms

Right.svg

Right.svg

718 ms

External.svg

External.svg

722 ms

Region.svg

Region.svg

724 ms

Down.svg

Down.svg

746 ms

Small.svg

Small.svg

761 ms

Empty_Cart.svg

Empty_Cart.svg

765 ms

Login.svg

Login.svg

765 ms

Close.svg

Close.svg

766 ms

Linked.svg

Linked.svg

767 ms

You.svg

You.svg

717 ms

X_logo_2023.svg

X_logo_2023.svg

747 ms

Facebook.svg

Facebook.svg

659 ms

X_logo_2023.svg

X_logo_2023.svg

658 ms

Facebook.svg

Facebook.svg

659 ms

csm_Lab-Pumps-Systems_Accessories-Spares_Laboratory_fa2d13a123.jpg

csm_Lab-Pumps-Systems_Accessories-Spares_Laboratory_fa2d13a123.jpg

643 ms

External.svg

External.svg

646 ms

lottie.min.js

lottie.min.js

16 ms

nouislider.min.js

nouislider.min.js

72 ms

nouislider.css

nouislider.css

73 ms

NaviCall.svg

NaviCall.svg

462 ms

NaviMail.svg

NaviMail.svg

462 ms

NaviCalendar.svg

NaviCalendar.svg

463 ms

NaviHelp.svg

NaviHelp.svg

464 ms

NaviBag.svg

NaviBag.svg

465 ms

NaviCall_blue.svg

NaviCall_blue.svg

480 ms

Right-blue.svg

Right-blue.svg

520 ms

NaviMail_blue.svg

NaviMail_blue.svg

522 ms

NaviCalendar_blue.svg

NaviCalendar_blue.svg

520 ms

NaviHelp_blue.svg

NaviHelp_blue.svg

520 ms

NaviBag_blue.svg

NaviBag_blue.svg

485 ms

Accessibility Review

knflab.com accessibility score

72

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-*] 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.

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

knflab.com best practices score

83

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

Page has valid source maps

SEO Factors

knflab.com SEO score

79

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 doesn't use 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 Knflab.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 Knflab.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

knflab.com

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