Tools & Wizards About Us
openqcm.com screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

openqcm.com

Quartz Crystal Microbalance with Dissipation monitoring openQCM

Page Load Speed

8.2 sec in total

First Response

237 ms

Resources Loaded

7.2 sec

Page Rendered

751 ms

openqcm.com screenshot

About Website

Click here to check amazing OpenQCM content for Singapore. Otherwise, check out these important facts you probably never knew about openqcm.com

Quartz Crystal Microbalance, open-source QCM device for accurate mass sensing and analysis in research, industry, and education.

Visit openqcm.com

Key Findings

We analyzed Openqcm.com page load time and found that the first response time was 237 ms and then it took 8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

openqcm.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value10.8 s

6/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value22.5 s

1/100

10%

Network Requests Diagram

openqcm.com

237 ms

openqcm.com

1201 ms

flick.css

425 ms

openqcm.com

442 ms

style.min.css

36 ms

Our browser made a total of 133 requests to load all elements on the main page. We found that 60% of them (80 requests) were addressed to the original Openqcm.com, 18% (24 requests) were made to Fonts.gstatic.com and 10% (13 requests) were made to Embed.tawk.to. The less responsive or slowest element that took the longest time to load (4.8 sec) relates to the external source Fonts.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (26%)

Content Size

6.1 MB

After Optimization

4.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Openqcm.com main page is 6.1 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 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 145.5 kB

  • Original 175.0 kB
  • After minification 171.4 kB
  • After compression 29.6 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 145.5 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 305.7 kB

  • Original 4.2 MB
  • After minification 3.9 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. OpenQCM images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 586.5 kB

  • Original 1.0 MB
  • After minification 980.2 kB
  • After compression 423.2 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 586.5 kB or 58% of the original size.

CSS Optimization

-82%

Potential reduce by 587.1 kB

  • Original 715.2 kB
  • After minification 704.3 kB
  • After compression 128.1 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. Openqcm.com needs all CSS files to be minified and compressed as it can save up to 587.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 78 (74%)

Requests Now

105

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 105 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OpenQCM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 36 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

openqcm.com

openqcm.com

237 ms

openqcm.com

openqcm.com

1201 ms

flick.css

flick.css

425 ms

openqcm.com

openqcm.com

442 ms

style.min.css

style.min.css

36 ms

view.css

view.css

341 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

39 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

40 ms

blocks.style.build.css

blocks.style.build.css

463 ms

styles.css

styles.css

349 ms

cookieblocker.min.css

cookieblocker.min.css

446 ms

style.min.css

style.min.css

454 ms

theme.min.css

theme.min.css

467 ms

frontend-lite.min.css

frontend-lite.min.css

636 ms

post-4832.css

post-4832.css

553 ms

katex.min.css

katex.min.css

559 ms

elementor-icons.min.css

elementor-icons.min.css

681 ms

swiper.min.css

swiper.min.css

578 ms

frontend-lite.min.css

frontend-lite.min.css

584 ms

global.css

global.css

823 ms

post-946.css

post-946.css

672 ms

css

css

4828 ms

fontawesome.min.css

fontawesome.min.css

808 ms

solid.min.css

solid.min.css

700 ms

brands.min.css

brands.min.css

741 ms

jetpack.css

jetpack.css

38 ms

jquery.min.js

jquery.min.js

42 ms

jquery-migrate.min.js

jquery-migrate.min.js

38 ms

scrollTo.js

scrollTo.js

785 ms

jquery.form.min.js

jquery.form.min.js

38 ms

mailchimp.js

mailchimp.js

794 ms

core.min.js

core.min.js

42 ms

datepicker.js

datepicker.js

933 ms

js

js

83 ms

frontend.js

frontend.js

846 ms

teachpress_front.css

teachpress_front.css

898 ms

widget-nav-menu.min.css

widget-nav-menu.min.css

804 ms

widget-carousel.min.css

widget-carousel.min.css

708 ms

academicons.min.css

academicons.min.css

605 ms

font-awesome.min.css

font-awesome.min.css

624 ms

e-gallery.min.css

e-gallery.min.css

683 ms

hustle-icons.min.css

hustle-icons.min.css

694 ms

hustle-global.min.css

hustle-global.min.css

711 ms

hustle-optin.min.css

hustle-optin.min.css

838 ms

hustle-popup.min.css

hustle-popup.min.css

719 ms

css

css

25 ms

animations.min.css

animations.min.css

731 ms

mpp-frontend.js

mpp-frontend.js

795 ms

underscore.min.js

underscore.min.js

1 ms

e-202436.js

e-202436.js

14 ms

imagesloaded.min.js

imagesloaded.min.js

2 ms

hooks.min.js

hooks.min.js

2 ms

i18n.min.js

i18n.min.js

1 ms

index.js

index.js

806 ms

index.js

index.js

820 ms

hustle-ui.min.js

hustle-ui.min.js

926 ms

front.min.js

front.min.js

747 ms

hello-frontend.min.js

hello-frontend.min.js

803 ms

katex.min.js

katex.min.js

1149 ms

complianz.min.js

complianz.min.js

823 ms

jquery.smartmenus.min.js

jquery.smartmenus.min.js

825 ms

e-gallery.min.js

e-gallery.min.js

811 ms

webpack-pro.runtime.min.js

webpack-pro.runtime.min.js

803 ms

webpack.runtime.min.js

webpack.runtime.min.js

829 ms

frontend-modules.min.js

frontend-modules.min.js

805 ms

frontend.min.js

frontend.min.js

809 ms

waypoints.min.js

waypoints.min.js

767 ms

frontend.min.js

frontend.min.js

797 ms

elements-handlers.min.js

elements-handlers.min.js

808 ms

Logo_openQCM_White_Transparent-2.png

Logo_openQCM_White_Transparent-2.png

132 ms

openQCM_NEXT_BLACK.png

openQCM_NEXT_BLACK.png

577 ms

MIT_Big-300x300.png

MIT_Big-300x300.png

236 ms

SAMSUNG_Big-300x300.png

SAMSUNG_Big-300x300.png

181 ms

NASA_big-300x300.png

NASA_big-300x300.png

221 ms

CALTECH_Big-300x300.jpg

CALTECH_Big-300x300.jpg

233 ms

3M_Big-300x300.png

3M_Big-300x300.png

220 ms

CAMBRIDGE_Big-300x300.png

CAMBRIDGE_Big-300x300.png

351 ms

Birkbeck_Big-300x300.png

Birkbeck_Big-300x300.png

446 ms

Tokyo-Institute-of-Technology-Logo-500x500-1-300x300.png

Tokyo-Institute-of-Technology-Logo-500x500-1-300x300.png

327 ms

OAK_Big-300x300.png

OAK_Big-300x300.png

341 ms

Australian_National_University_Big-300x300.png

Australian_National_University_Big-300x300.png

342 ms

CNRS_Big-300x300.png

CNRS_Big-300x300.png

435 ms

MONASH_Big-300x300.png

MONASH_Big-300x300.png

453 ms

METTLER_TOLEDO_Big-300x300.png

METTLER_TOLEDO_Big-300x300.png

457 ms

ESA_Big-300x300.png

ESA_Big-300x300.png

470 ms

Inaf_big-300x300.png

Inaf_big-300x300.png

552 ms

openQCM_Wi2_Slide.png

openQCM_Wi2_Slide.png

1006 ms

openQCM_Q-1_Slide.png

openQCM_Q-1_Slide.png

1014 ms

openQCM_NEXT_Slide.png

openQCM_NEXT_Slide.png

838 ms

uni_of_sheffield_crest.png

uni_of_sheffield_crest.png

586 ms

tue.png

tue.png

660 ms

western_university_logo.png

western_university_logo.png

693 ms

openQCM_NEXT_Pipetting_Blue.png

openQCM_NEXT_Pipetting_Blue.png

1053 ms

openQCM_Electrochemistry-Module.0.png

openQCM_Electrochemistry-Module.0.png

978 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

120 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

121 ms

KFOlCnqEu92Fr1MmSU5fBBc-.woff

KFOlCnqEu92Fr1MmSU5fBBc-.woff

112 ms

KFOkCnqEu92Fr1MmgVxIIzQ.woff

KFOkCnqEu92Fr1MmgVxIIzQ.woff

120 ms

KFOlCnqEu92Fr1MmWUlfBBc-.woff

KFOlCnqEu92Fr1MmWUlfBBc-.woff

121 ms

KFOlCnqEu92Fr1MmYUtfBBc-.woff

KFOlCnqEu92Fr1MmYUtfBBc-.woff

121 ms

pxiEyp8kv8JHgFVrJJfedA.woff

pxiEyp8kv8JHgFVrJJfedA.woff

121 ms

pxiByp8kv8JHgFVrLGT9Z1xlEw.woff

pxiByp8kv8JHgFVrLGT9Z1xlEw.woff

122 ms

pxiByp8kv8JHgFVrLDz8Z1xlEw.woff

pxiByp8kv8JHgFVrLDz8Z1xlEw.woff

122 ms

pxiByp8kv8JHgFVrLFj_Z1xlEw.woff

pxiByp8kv8JHgFVrLFj_Z1xlEw.woff

123 ms

pxiGyp8kv8JHgFVrLPTucHtG.woff

pxiGyp8kv8JHgFVrLPTucHtG.woff

124 ms

pxiByp8kv8JHgFVrLEj6Z1xlEw.woff

pxiByp8kv8JHgFVrLEj6Z1xlEw.woff

123 ms

pxiByp8kv8JHgFVrLCz7Z1xlEw.woff

pxiByp8kv8JHgFVrLCz7Z1xlEw.woff

124 ms

pxiByp8kv8JHgFVrLDD4Z1xlEw.woff

pxiByp8kv8JHgFVrLDD4Z1xlEw.woff

125 ms

pxiByp8kv8JHgFVrLBT5Z1xlEw.woff

pxiByp8kv8JHgFVrLBT5Z1xlEw.woff

124 ms

eicons.woff

eicons.woff

699 ms

pxiDyp8kv8JHgFVrJJLm21lVF9eI.woff

pxiDyp8kv8JHgFVrJJLm21lVF9eI.woff

124 ms

pxiDyp8kv8JHgFVrJJLmv1pVF9eI.woff

pxiDyp8kv8JHgFVrJJLmv1pVF9eI.woff

157 ms

pxiAyp8kv8JHgFVrJJLmE0tCMPQ.woff

pxiAyp8kv8JHgFVrJJLmE0tCMPQ.woff

158 ms

pxiGyp8kv8JHgFVrJJLucHtG.woff

pxiGyp8kv8JHgFVrJJLucHtG.woff

159 ms

pxiDyp8kv8JHgFVrJJLmg1hVF9eI.woff

pxiDyp8kv8JHgFVrJJLmg1hVF9eI.woff

159 ms

pxiDyp8kv8JHgFVrJJLmr19VF9eI.woff

pxiDyp8kv8JHgFVrJJLmr19VF9eI.woff

159 ms

pxiDyp8kv8JHgFVrJJLmy15VF9eI.woff

pxiDyp8kv8JHgFVrJJLmy15VF9eI.woff

159 ms

pxiDyp8kv8JHgFVrJJLm111VF9eI.woff

pxiDyp8kv8JHgFVrJJLm111VF9eI.woff

159 ms

pxiDyp8kv8JHgFVrJJLm81xVF9eI.woff

pxiDyp8kv8JHgFVrJJLm81xVF9eI.woff

160 ms

fa-brands-400.woff

fa-brands-400.woff

816 ms

default

default

274 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

67 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

142 ms

twk-event-polyfill.js

twk-event-polyfill.js

190 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

189 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

147 ms

twk-promise-polyfill.js

twk-promise-polyfill.js

188 ms

twk-main.js

twk-main.js

80 ms

twk-vendor.js

twk-vendor.js

105 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

125 ms

twk-chunk-common.js

twk-chunk-common.js

141 ms

twk-runtime.js

twk-runtime.js

158 ms

twk-app.js

twk-app.js

151 ms

Accessibility Review

openqcm.com accessibility score

95

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

Links do not have a discernible name

Best Practices

openqcm.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

High

Page has valid source maps

SEO Factors

openqcm.com SEO score

84

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 Openqcm.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 Openqcm.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

openqcm.com

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