Tools & Wizards About Us

Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

sigmaswitches.com

ROCKER SWITCHES by SIGMA | SPDT SPST DPST DPDT Momentary, Lighted, Waterproof & Miniature (Mini)

Page Load Speed

872 ms in total

First Response

78 ms

Resources Loaded

383 ms

Page Rendered

411 ms

About Website

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

Sigma Switches manufactures and distributes electric rocker switches; SPDT SPST DPST DPDT, IP55 / 1P66 waterproof, dust resistant with momentary circuts for the appliance, marine, automotive, recreati...

Visit sigmaswitches.com

Key Findings

We analyzed Sigmaswitches.com page load time and found that the first response time was 78 ms and then it took 794 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

sigmaswitches.com performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value2.2 s

95/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.6 s

100/100

10%

Network Requests Diagram

sigmaswitches.com

78 ms

sigmaswitches.com

163 ms

sigma.css

55 ms

header_image.jpg

105 ms

MsSpacer.gif

81 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that all of those requests were addressed to Sigmaswitches.com and no external sources were called. The less responsive or slowest element that took the longest time to load (163 ms) belongs to the original domain Sigmaswitches.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 30.5 kB (14%)

Content Size

215.3 kB

After Optimization

184.8 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Sigmaswitches.com main page is 215.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 15% of websites need less resources to load. Images take 180.4 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 28.4 kB

  • Original 33.7 kB
  • After minification 28.0 kB
  • After compression 5.3 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 5.7 kB, which is 17% 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 28.4 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 1.2 kB

  • Original 180.4 kB
  • After minification 179.3 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. SIGMA SWITCHES images are well optimized though.

CSS Optimization

-78%

Potential reduce by 929 B

  • Original 1.2 kB
  • After minification 915 B
  • After compression 260 B

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. Sigmaswitches.com needs all CSS files to be minified and compressed as it can save up to 929 B or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

14

After Optimization

14

  • Images
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SIGMA SWITCHES. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

sigmaswitches.com accessibility score

63

Accessibility Issues

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

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

High

Links do not have a discernible name

Best Practices

sigmaswitches.com best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

sigmaswitches.com SEO score

69

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

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sigmaswitches.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sigmaswitches.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

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