Tools & Wizards About Us

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 94

    SEO

    Google-friendlier than
    90% of websites

insulators.info

Glass Insulators Collectors Reference Site

Page Load Speed

2.5 sec in total

First Response

218 ms

Resources Loaded

2 sec

Page Rendered

286 ms

About Website

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

Glass Insulators were first produced in the 1850's for use with telegraph lines. As technology developed insulators were needed for telephone lines, electric power lines, and other applications. In th...

Visit insulators.info

Key Findings

We analyzed Insulators.info page load time and found that the first response time was 218 ms and then it took 2.3 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

insulators.info performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value3.6 s

86/100

10%

TBT (Total Blocking Time)

Value480 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.045

99/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

insulators.info

218 ms

www.insulators.info

1005 ms

js

49 ms

cse.js

46 ms

polecat.png

262 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 58% of them (15 requests) were addressed to the original Insulators.info, 19% (5 requests) were made to Google.com and 8% (2 requests) were made to Cse.google.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Insulators.info.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.7 kB (15%)

Content Size

510.5 kB

After Optimization

434.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Insulators.info main page is 510.5 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. 30% of websites need less resources to load. Images take 258.0 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 37.3 kB

  • Original 47.0 kB
  • After minification 45.2 kB
  • After compression 9.7 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 37.3 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 1.3 kB

  • Original 258.0 kB
  • After minification 256.6 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. Insulators images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 962 B

  • Original 162.2 kB
  • After minification 162.2 kB
  • After compression 161.2 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

-83%

Potential reduce by 36.1 kB

  • Original 43.3 kB
  • After minification 30.7 kB
  • After compression 7.2 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. Insulators.info needs all CSS files to be minified and compressed as it can save up to 36.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (13%)

Requests Now

24

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Insulators. 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 as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

insulators.info accessibility score

95

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.

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

insulators.info 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

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

insulators.info SEO score

94

Search Engine Optimization Advices

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Insulators.info 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 Insulators.info main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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