Tools & Wizards About Us
sierraassembly.com screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

sierraassembly.com

Custom Printed Circuit Board PCB Assembly Services California, USA

Page Load Speed

3.5 sec in total

First Response

103 ms

Resources Loaded

3 sec

Page Rendered

426 ms

sierraassembly.com screenshot

About Website

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

PCB assembly services provider and PCB manufacturer in USA with over 30 years of experience in PCB assembly services. Trusted PCB assembly manufacturing company providing custom assembly services as p...

Visit sierraassembly.com

Key Findings

We analyzed Sierraassembly.com page load time and found that the first response time was 103 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sierraassembly.com performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value290 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value10.0 s

26/100

10%

Network Requests Diagram

sierraassembly.com

103 ms

www.sierraassembly.com

84 ms

www.sierraassembly.com

390 ms

bootstrap.min.css

169 ms

stylesheet.css

140 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 67% of them (43 requests) were addressed to the original Sierraassembly.com, 19% (12 requests) were made to Admin.sierraassembly.com and 6% (4 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Admin.sierraassembly.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 432.8 kB (42%)

Content Size

1.0 MB

After Optimization

607.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sierraassembly.com main page is 1.0 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 403.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 57.7 kB

  • Original 70.0 kB
  • After minification 59.4 kB
  • After compression 12.3 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 10.6 kB, which is 15% 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 57.7 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 17.2 kB

  • Original 403.1 kB
  • After minification 386.0 kB

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. Sierra Assembly images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 142.3 kB

  • Original 304.3 kB
  • After minification 300.0 kB
  • After compression 162.0 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 142.3 kB or 47% of the original size.

CSS Optimization

-82%

Potential reduce by 215.5 kB

  • Original 262.8 kB
  • After minification 260.8 kB
  • After compression 47.3 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. Sierraassembly.com needs all CSS files to be minified and compressed as it can save up to 215.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (46%)

Requests Now

57

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sierra Assembly. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sierraassembly.com

sierraassembly.com

103 ms

www.sierraassembly.com

www.sierraassembly.com

84 ms

www.sierraassembly.com

www.sierraassembly.com

390 ms

bootstrap.min.css

bootstrap.min.css

169 ms

stylesheet.css

stylesheet.css

140 ms

font-awesome.min.css

font-awesome.min.css

177 ms

owl.carousel.css

owl.carousel.css

165 ms

owl.theme.css

owl.theme.css

163 ms

aos.min.css

aos.min.css

173 ms

toastr.min.css

toastr.min.css

179 ms

sierra.min.css

sierra.min.css

232 ms

sierra-mq.min.css

sierra-mq.min.css

235 ms

js

js

63 ms

js

js

119 ms

jquery.min.js

jquery.min.js

173 ms

bootstrap.min.js

bootstrap.min.js

144 ms

owl.carousel.min.js

owl.carousel.min.js

158 ms

aos.js

aos.js

149 ms

sierra.js

sierra.js

334 ms

toastr.min.js

toastr.min.js

363 ms

tracker.js

tracker.js

335 ms

analytics.js

analytics.js

219 ms

Lockheed-Martin-Updated1.png

Lockheed-Martin-Updated1.png

2160 ms

embed

embed

387 ms

scrollup.png

scrollup.png

214 ms

logo.png

logo.png

214 ms

home-banner.jpg

home-banner.jpg

213 ms

caret.png

caret.png

214 ms

customer-bg.png

customer-bg.png

213 ms

service-bg.jpg

service-bg.jpg

213 ms

process1.png

process1.png

256 ms

process2.png

process2.png

256 ms

process3.png

process3.png

257 ms

process4.png

process4.png

256 ms

process5.png

process5.png

255 ms

process6.png

process6.png

255 ms

process7.png

process7.png

309 ms

about-bg.jpg

about-bg.jpg

382 ms

digital.png

digital.png

295 ms

secure.png

secure.png

295 ms

cloud.png

cloud.png

296 ms

hitech-bg.png

hitech-bg.png

303 ms

calc-bg.jpg

calc-bg.jpg

381 ms

xml.png

xml.png

327 ms

depuy-synthes.png

depuy-synthes.png

2135 ms

johnson-johnson-medical.png

johnson-johnson-medical.png

2095 ms

products-resources.png

products-resources.png

2140 ms

amtek.png

amtek.png

2152 ms

service1.png

service1.png

2141 ms

service6.png

service6.png

2158 ms

service4.png

service4.png

2175 ms

service5.png

service5.png

2177 ms

service3.png

service3.png

2186 ms

service2.png

service2.png

2189 ms

updated-550x110.png

updated-550x110.png

2218 ms

Ubuntu-Regular.woff

Ubuntu-Regular.woff

398 ms

Ubuntu-Bold.woff

Ubuntu-Bold.woff

254 ms

Ubuntu-Medium.woff

Ubuntu-Medium.woff

224 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

293 ms

collect

collect

43 ms

js

js

68 ms

geometry.js

geometry.js

4 ms

search.js

search.js

6 ms

main.js

main.js

11 ms

Accessibility Review

sierraassembly.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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

sierraassembly.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

sierraassembly.com SEO score

89

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

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 Sierraassembly.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 Sierraassembly.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

sierraassembly.com

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