Tools & Wizards About Us
lab-kits.com screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    81% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

lab-kits.com

U-THERM INTERNATIONAL (H.K.) LIMITED

Page Load Speed

3.7 sec in total

First Response

550 ms

Resources Loaded

2.9 sec

Page Rendered

278 ms

lab-kits.com screenshot

About Website

Click here to check amazing Lab Kits content. Otherwise, check out these important facts you probably never knew about lab-kits.com

U-THERM INTERNATIONAL (H.K.) LIMITED

Visit lab-kits.com

Key Findings

We analyzed Lab-kits.com page load time and found that the first response time was 550 ms and then it took 3.1 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

lab-kits.com performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

55/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.099

90/100

15%

TTI (Time to Interactive)

Value4.0 s

87/100

10%

Network Requests Diagram

lab-kits.com

550 ms

stylesheet.css

449 ms

popupcategory.css

443 ms

scroll.css

447 ms

jquery-1.3.2.min.js

519 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 92% of them (48 requests) were addressed to the original Lab-kits.com, 4% (2 requests) were made to X.translateth.is and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Lab-kits.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 341.4 kB (23%)

Content Size

1.5 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lab-kits.com main page is 1.5 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. 45% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 51.5 kB

  • Original 62.3 kB
  • After minification 55.6 kB
  • After compression 10.8 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 6.7 kB, which is 11% 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 51.5 kB or 83% of the original size.

Image Optimization

-10%

Potential reduce by 123.2 kB

  • Original 1.2 MB
  • After minification 1.1 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. Lab Kits images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 151.6 kB

  • Original 235.2 kB
  • After minification 233.2 kB
  • After compression 83.5 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 151.6 kB or 64% of the original size.

CSS Optimization

-77%

Potential reduce by 15.0 kB

  • Original 19.4 kB
  • After minification 17.0 kB
  • After compression 4.4 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. Lab-kits.com needs all CSS files to be minified and compressed as it can save up to 15.0 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (29%)

Requests Now

51

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lab Kits. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lab-kits.com

lab-kits.com

550 ms

stylesheet.css

stylesheet.css

449 ms

popupcategory.css

popupcategory.css

443 ms

scroll.css

scroll.css

447 ms

jquery-1.3.2.min.js

jquery-1.3.2.min.js

519 ms

thickbox-compressed.js

thickbox-compressed.js

456 ms

thickbox.css

thickbox.css

454 ms

tab.js

tab.js

508 ms

scroll.js

scroll.js

513 ms

top_scroll_1.js

top_scroll_1.js

581 ms

top_scroll_2.js

top_scroll_2.js

535 ms

translate-this.js

translate-this.js

40 ms

ga.js

ga.js

17 ms

logo2.png

logo2.png

84 ms

chromatography_big.jpg

chromatography_big.jpg

404 ms

spectrophotometer_big.jpg

spectrophotometer_big.jpg

160 ms

medical_freezer_big.jpg

medical_freezer_big.jpg

404 ms

Carbon_sulfur_analyzer_big.jpg

Carbon_sulfur_analyzer_big.jpg

220 ms

Centrifuge_big.jpg

Centrifuge_big.jpg

280 ms

clinical_laboratory_big.jpg

clinical_laboratory_big.jpg

285 ms

freeze_dryer_big.jpg

freeze_dryer_big.jpg

363 ms

oil_test_big.jpg

oil_test_big.jpg

474 ms

labkits_feed.png

labkits_feed.png

362 ms

mini_inquire_now.gif

mini_inquire_now.gif

363 ms

follow-facebook.png

follow-facebook.png

445 ms

wbseries-100x100.jpg

wbseries-100x100.jpg

440 ms

bio-analyzer-100x100.jpg

bio-analyzer-100x100.jpg

453 ms

FC-BCM-R-100x100.jpg

FC-BCM-R-100x100.jpg

496 ms

20081215194936103-100x100.jpg

20081215194936103-100x100.jpg

491 ms

gc01-100x100.jpg

gc01-100x100.jpg

526 ms

2258s-100x100.jpg

2258s-100x100.jpg

542 ms

EP600%20analyser-100x100.jpg

EP600%20analyser-100x100.jpg

575 ms

-86_2-100x100.jpg

-86_2-100x100.jpg

566 ms

lc3000-100x100.jpg

lc3000-100x100.jpg

564 ms

1900_small-100x100.jpg

1900_small-100x100.jpg

576 ms

LGJ18_li1da-100x100.jpg

LGJ18_li1da-100x100.jpg

599 ms

m1-100x100.jpg

m1-100x100.jpg

618 ms

BANTE92-100x100.jpg

BANTE92-100x100.jpg

644 ms

labkits-made-in-china.jpg

labkits-made-in-china.jpg

656 ms

lab_kits_industry.jpg

lab_kits_industry.jpg

658 ms

labfreez.jpg

labfreez.jpg

658 ms

lab-fac-link.png

lab-fac-link.png

665 ms

__utm.gif

__utm.gif

40 ms

global-header-nav.png

global-header-nav.png

673 ms

box_top.png

box_top.png

653 ms

play.gif

play.gif

1646 ms

category.gif

category.gif

677 ms

contactus.jpg

contactus.jpg

672 ms

tabs.png

tabs.png

672 ms

global-footer-section.png

global-footer-section.png

754 ms

loadingAnimation.gif

loadingAnimation.gif

729 ms

tt-btn1.png

tt-btn1.png

6 ms

Accessibility Review

lab-kits.com accessibility score

89

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.

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

Image elements do not have [alt] attributes

Best Practices

lab-kits.com best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

lab-kits.com SEO score

79

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

Content Best Practices

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

Impact

Issue

High

Image elements do not have [alt] attributes

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 Lab-kits.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 Lab-kits.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

lab-kits.com

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