Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

sentinelpower.net

Surge Protection/Current Sensors/AC Power and Dataline Protectors/Veris Power Meters/ Environmental Sensors/Sentinel Power Inc

Page Load Speed

864 ms in total

First Response

114 ms

Resources Loaded

605 ms

Page Rendered

145 ms

sentinelpower.net screenshot

About Website

Visit sentinelpower.net now to see the best up-to-date Sentinel Power content and also check out these interesting facts you probably never knew about sentinelpower.net

Distributor for: MCG-surge protection, AC power and dataline protectors. Veris-power meters, current sensors, environmental sensors. ACI-HVAC controls & sensors, interface devices. Sensaphone- alarm d...

Visit sentinelpower.net

Key Findings

We analyzed Sentinelpower.net page load time and found that the first response time was 114 ms and then it took 750 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

sentinelpower.net performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value1.6 s

100/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

sentinelpower.net

114 ms

reset.css

25 ms

SPIstyles.css

55 ms

cse.js

36 ms

wt.php

6 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 79% of them (33 requests) were addressed to the original Sentinelpower.net, 12% (5 requests) were made to Google.com and 5% (2 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (361 ms) belongs to the original domain Sentinelpower.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 172.0 kB (29%)

Content Size

596.2 kB

After Optimization

424.2 kB

In fact, the total size of Sentinelpower.net main page is 596.2 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. 40% of websites need less resources to load. Images take 361.4 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 15.3 kB

  • Original 20.9 kB
  • After minification 19.4 kB
  • After compression 5.6 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 15.3 kB or 73% of the original size.

Image Optimization

-33%

Potential reduce by 118.1 kB

  • Original 361.4 kB
  • After minification 243.3 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. Obviously, Sentinel Power needs image optimization as it can save up to 118.1 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 1.3 kB

  • Original 166.6 kB
  • After minification 166.6 kB
  • After compression 165.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-79%

Potential reduce by 37.3 kB

  • Original 47.3 kB
  • After minification 34.7 kB
  • After compression 10.0 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. Sentinelpower.net needs all CSS files to be minified and compressed as it can save up to 37.3 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (15%)

Requests Now

39

After Optimization

33

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sentinel Power. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sentinelpower.net accessibility score

98

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

Best Practices

sentinelpower.net 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

Serves images with low resolution

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

sentinelpower.net SEO score

75

Search Engine Optimization Advices

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 Sentinelpower.net 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 Sentinelpower.net 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 Sentinel Power. 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: