Tools & Wizards About Us
berkeleynucleonics.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

berkeleynucleonics.com

Pulse & Delay Generators, RF/Microwave Signal Generators

Page Load Speed

2.3 sec in total

First Response

163 ms

Resources Loaded

2 sec

Page Rendered

205 ms

berkeleynucleonics.com screenshot

About Website

Visit berkeleynucleonics.com now to see the best up-to-date Berkeleynucleonics content for United States and also check out these interesting facts you probably never knew about berkeleynucleonics.com

Berkeley Nucleonics is a precision electronic instrumentation manufacturer of pulse & delay generators, RF/microwave signal generators and isotope identifiers.

Visit berkeleynucleonics.com

Key Findings

We analyzed Berkeleynucleonics.com page load time and found that the first response time was 163 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

berkeleynucleonics.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.53

14/100

15%

TTI (Time to Interactive)

Value13.0 s

13/100

10%

Network Requests Diagram

berkeleynucleonics.com

163 ms

www.berkeleynucleonics.com

223 ms

www.berkeleynucleonics.com

648 ms

uc.js

73 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

133 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 49% of them (35 requests) were addressed to the original Berkeleynucleonics.com, 13% (9 requests) were made to Fonts.gstatic.com and 11% (8 requests) were made to Formilla.com. The less responsive or slowest element that took the longest time to load (648 ms) belongs to the original domain Berkeleynucleonics.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 506.1 kB (16%)

Content Size

3.1 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Berkeleynucleonics.com main page is 3.1 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. 65% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 179.4 kB

  • Original 219.3 kB
  • After minification 191.0 kB
  • After compression 39.8 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 28.3 kB, which is 13% 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 179.4 kB or 82% of the original size.

Image Optimization

-11%

Potential reduce by 285.5 kB

  • Original 2.5 MB
  • After minification 2.2 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. Obviously, Berkeleynucleonics needs image optimization as it can save up to 285.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-14%

Potential reduce by 41.0 kB

  • Original 287.5 kB
  • After minification 287.5 kB
  • After compression 246.5 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 41.0 kB or 14% of the original size.

CSS Optimization

-0%

Potential reduce by 180 B

  • Original 76.7 kB
  • After minification 76.6 kB
  • After compression 76.5 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. Berkeleynucleonics.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 35 (61%)

Requests Now

57

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Berkeleynucleonics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

berkeleynucleonics.com

berkeleynucleonics.com

163 ms

www.berkeleynucleonics.com

www.berkeleynucleonics.com

223 ms

www.berkeleynucleonics.com

www.berkeleynucleonics.com

648 ms

uc.js

uc.js

73 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

133 ms

css_wK_6OkTymLeGE8EAA_dnsRvCJEpFx6LktC0tHt1BluE.css

css_wK_6OkTymLeGE8EAA_dnsRvCJEpFx6LktC0tHt1BluE.css

212 ms

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css_vvO4c6Q5-Bfr2xpwPd5kH1x3cuaU3ti7GDXTkenZ3hA.css

211 ms

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207 ms

font-awesome.min.css

font-awesome.min.css

42 ms

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267 ms

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css_JCm91f16f8wGbSd6ngoUczCgOZIsZohHL3tVMBN6X98.css

275 ms

added-custom-styles.css

added-custom-styles.css

212 ms

js_EebRuRXFlkaf356V0T2K_8cnUVfCKesNTxdvvPSEhCM.js

js_EebRuRXFlkaf356V0T2K_8cnUVfCKesNTxdvvPSEhCM.js

398 ms

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js_oDDP6e96iwCEMh_cP95YxjCFq1BouuY_-6icK_av2wU.js

310 ms

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308 ms

4485.js

4485.js

45 ms

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297 ms

all.css

all.css

45 ms

css

css

47 ms

css

css

69 ms

js

js

91 ms

all.css

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61 ms

html5lightbox.js

html5lightbox.js

436 ms

161221.js

161221.js

54 ms

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315 ms

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316 ms

swap.js

swap.js

29 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

19 ms

mcfx.js

mcfx.js

164 ms

OZuzKbzZHT-65aac6d5.js

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164 ms

bat.js

bat.js

53 ms

header-bkg-stripe.png

header-bkg-stripe.png

137 ms

bnc-logo.png

bnc-logo.png

137 ms

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420 ms

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389 ms

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421 ms

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390 ms

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319 ms

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204 ms

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278 ms

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388 ms

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402 ms

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510 ms

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453 ms

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455 ms

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149 ms

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157 ms

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113 ms

feedback.js

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113 ms

app.js

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119 ms

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19 ms

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left-btn.png

354 ms

right-btn.png

right-btn.png

362 ms

left-c.png

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363 ms

right-c.png

right-c.png

401 ms

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59 ms

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59 ms

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20 ms

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36 ms

LoadFormillaChatButton

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52 ms

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11 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

24 ms

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24 ms

autosize.min.js

autosize.min.js

35 ms

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20 ms

css

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36 ms

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11 ms

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9 ms

Accessibility Review

berkeleynucleonics.com accessibility score

72

Accessibility Issues

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

Image elements do not have [alt] attributes

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

berkeleynucleonics.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

berkeleynucleonics.com SEO score

76

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

High

Image elements do not have [alt] attributes

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 Berkeleynucleonics.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 Berkeleynucleonics.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

berkeleynucleonics.com

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