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sunlab.com screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

sunlab.com

Home - Sunset Laboratory, Inc

Page Load Speed

7.6 sec in total

First Response

232 ms

Resources Loaded

7.1 sec

Page Rendered

267 ms

sunlab.com screenshot

About Website

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

Sunset Laboratory has been leading the way for Organic/Elemental Carbon Aerosol (OCEC) measurements since 1984. We remain the market leader in OCEC instrumentation and analysis for filters with our La...

Visit sunlab.com

Key Findings

We analyzed Sunlab.com page load time and found that the first response time was 232 ms and then it took 7.4 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

sunlab.com performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value20.7 s

0/100

25%

SI (Speed Index)

Value17.9 s

0/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.081

94/100

15%

TTI (Time to Interactive)

Value17.9 s

4/100

10%

Network Requests Diagram

sunlab.com

232 ms

www.sunlab.com

4299 ms

styles.css

200 ms

css

30 ms

style.css

76 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 62% of them (44 requests) were addressed to the original Sunlab.com, 34% (24 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (4.3 sec) belongs to the original domain Sunlab.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 872.8 kB (19%)

Content Size

4.7 MB

After Optimization

3.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sunlab.com main page is 4.7 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. 60% of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 260.4 kB

  • Original 299.9 kB
  • After minification 296.1 kB
  • After compression 39.5 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 260.4 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 54.1 kB

  • Original 3.4 MB
  • After minification 3.3 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. Sunlab images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 451.4 kB

  • Original 842.5 kB
  • After minification 836.7 kB
  • After compression 391.1 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 451.4 kB or 54% of the original size.

CSS Optimization

-85%

Potential reduce by 106.9 kB

  • Original 126.4 kB
  • After minification 123.9 kB
  • After compression 19.6 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. Sunlab.com needs all CSS files to be minified and compressed as it can save up to 106.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (52%)

Requests Now

44

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sunlab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sunlab.com

sunlab.com

232 ms

www.sunlab.com

www.sunlab.com

4299 ms

styles.css

styles.css

200 ms

css

css

30 ms

style.css

style.css

76 ms

sunset-lab-logo.png

sunset-lab-logo.png

149 ms

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BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjoa4OmYWRm.ttf

15 ms

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19 ms

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25 ms

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30 ms

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31 ms

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24 ms

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25 ms

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30 ms

BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjojIWmYWRm.ttf

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32 ms

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32 ms

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32 ms

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33 ms

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45 ms

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46 ms

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KFOkCnqEu92Fr1MmgVxGIzc.ttf

45 ms

modules.woff

modules.woff

209 ms

sunlab-logo6.png

sunlab-logo6.png

142 ms

sunlab-home-7.jpg

sunlab-home-7.jpg

323 ms

sunlab-home-2.jpg

sunlab-home-2.jpg

402 ms

sunlab-home-3.jpg

sunlab-home-3.jpg

316 ms

sunlab-home-1.jpg

sunlab-home-1.jpg

514 ms

sunlab-home-4.jpg

sunlab-home-4.jpg

524 ms

sunlab-home-5.jpg

sunlab-home-5.jpg

407 ms

sunlab-home-6.jpg

sunlab-home-6.jpg

393 ms

why-sunset-laboratory.png

why-sunset-laboratory.png

523 ms

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6 ms

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4 ms

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6 ms

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14 ms

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6 ms

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6 ms

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14 ms

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14 ms

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14 ms

image-aerosol-analyzer.jpg

image-aerosol-analyzer.jpg

402 ms

image-ocec-instruments.jpg

image-ocec-instruments.jpg

416 ms

autoloader.jpg

autoloader.jpg

415 ms

performance-evaluation-samples.jpg

performance-evaluation-samples.jpg

489 ms

image-denuders.jpg

image-denuders.jpg

483 ms

image-sample-analysis.jpg

image-sample-analysis.jpg

485 ms

sunlab-vid-2.jpg

sunlab-vid-2.jpg

519 ms

icon-facebookb.png

icon-facebookb.png

534 ms

icon-twitterb.png

icon-twitterb.png

527 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

540 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

544 ms

index.js

index.js

507 ms

index.js

index.js

540 ms

jquery.min.js

jquery.min.js

542 ms

jquery-migrate.min.js

jquery-migrate.min.js

551 ms

scripts.min.js

scripts.min.js

637 ms

jquery.fitvids.js

jquery.fitvids.js

584 ms

jquery.mobile.js

jquery.mobile.js

584 ms

easypiechart.js

easypiechart.js

610 ms

salvattore.js

salvattore.js

614 ms

common.js

common.js

626 ms

api.js

api.js

34 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

673 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

674 ms

wp-polyfill.min.js

wp-polyfill.min.js

683 ms

index.js

index.js

682 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

695 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

739 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

719 ms

recaptcha__en.js

recaptcha__en.js

31 ms

style.min.css

style.min.css

69 ms

Accessibility Review

sunlab.com accessibility score

84

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

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

sunlab.com best practices score

83

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

SEO Factors

sunlab.com SEO score

93

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

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 Sunlab.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 Sunlab.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

sunlab.com

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