Tools & Wizards About Us
slii.net screenshot

Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

slii.net

Home | Advanced Energy

Page Load Speed

9.3 sec in total

First Response

99 ms

Resources Loaded

1.6 sec

Page Rendered

7.6 sec

slii.net screenshot

About Website

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

Visit slii.net

Key Findings

We analyzed Slii.net page load time and found that the first response time was 99 ms and then it took 9.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

slii.net performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value6.4 s

40/100

10%

TBT (Total Blocking Time)

Value790 ms

37/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

slii.net

99 ms

136 ms

gtm.js

65 ms

index.CdvD1L-p.css

120 ms

systemPageComponents.min.css

223 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Slii.net, 75% (33 requests) were made to Advancedenergy.com and 7% (3 requests) were made to I.ytimg.com. The less responsive or slowest element that took the longest time to load (791 ms) relates to the external source Advancedenergy.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 608.2 kB (5%)

Content Size

12.7 MB

After Optimization

12.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Slii.net main page is 12.7 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 12.1 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 223.4 kB

  • Original 248.5 kB
  • After minification 143.9 kB
  • After compression 25.1 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 104.6 kB, which is 42% 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 223.4 kB or 90% of the original size.

Image Optimization

-3%

Potential reduce by 308.3 kB

  • Original 12.1 MB
  • After minification 11.8 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. Slii images are well optimized though.

JavaScript Optimization

-17%

Potential reduce by 51.0 kB

  • Original 296.0 kB
  • After minification 295.9 kB
  • After compression 245.0 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 51.0 kB or 17% of the original size.

CSS Optimization

-32%

Potential reduce by 25.4 kB

  • Original 79.8 kB
  • After minification 79.8 kB
  • After compression 54.4 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. Slii.net needs all CSS files to be minified and compressed as it can save up to 25.4 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (23%)

Requests Now

40

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slii. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

slii.net

slii.net

99 ms

136 ms

gtm.js

gtm.js

65 ms

index.CdvD1L-p.css

index.CdvD1L-p.css

120 ms

systemPageComponents.min.css

systemPageComponents.min.css

223 ms

forms2.min.js

forms2.min.js

113 ms

210 ms

361 ms

systemFormComponents.min.js

systemFormComponents.min.js

368 ms

index.DA2LTLy9.js

index.DA2LTLy9.js

470 ms

dotlottie-player.mjs

dotlottie-player.mjs

53 ms

bootstrap.min.js

bootstrap.min.js

97 ms

lottieLazyLoading.min.js

lottieLazyLoading.min.js

25 ms

dotlottie-player.mjs

dotlottie-player.mjs

15 ms

hqdefault.jpg

hqdefault.jpg

145 ms

hqdefault.jpg

hqdefault.jpg

139 ms

hqdefault.jpg

hqdefault.jpg

138 ms

Advanced-Energy-Logo.svg

Advanced-Energy-Logo.svg

115 ms

Advanced-Energy-Logo-(1).svg

Advanced-Energy-Logo-(1).svg

228 ms

Home-Page-Banner.jpg

Home-Page-Banner.jpg

154 ms

bg_industrial_robots_darker.jpg

bg_industrial_robots_darker.jpg

565 ms

banner_Pre-Wired-Cabinet-Systems-10.jpg

banner_Pre-Wired-Cabinet-Systems-10.jpg

329 ms

hero_OR4100T_FR_T_3.jpg

hero_OR4100T_FR_T_3.jpg

425 ms

navx_homepage_banner_1.jpg

navx_homepage_banner_1.jpg

452 ms

hero_fc2500_2.jpg

hero_fc2500_2.jpg

791 ms

hero_tegam-to-ae.jpg

hero_tegam-to-ae.jpg

579 ms

web_banner_ecommerce_live-(1).jpg

web_banner_ecommerce_live-(1).jpg

427 ms

LCM-4-kW-Systems-Cabinet-1-(2).jpg

LCM-4-kW-Systems-Cabinet-1-(2).jpg

488 ms

NavX_Render.png

NavX_Render.png

502 ms

AEI_Cap_Charger_FL_W-FC2500.png

AEI_Cap_Charger_FL_W-FC2500.png

523 ms

neopower_left.png

neopower_left.png

548 ms

Industrial-Lighting.png

Industrial-Lighting.png

566 ms

Glass-Banner-Image.jpg

Glass-Banner-Image.jpg

592 ms

solar_panel_manufacturing_op.jpg

solar_panel_manufacturing_op.jpg

643 ms

Life-Sciences-Analytical-Instruments.jpg

Life-Sciences-Analytical-Instruments.jpg

662 ms

config-pro.png

config-pro.png

638 ms

ae_placeholder.png

ae_placeholder.png

643 ms

Wilmington-office-4-original-edit-small.jpg

Wilmington-office-4-original-edit-small.jpg

655 ms

Mobility-Blog-Graphic.png

Mobility-Blog-Graphic.png

702 ms

AE-Footer-Logo.svg

AE-Footer-Logo.svg

714 ms

affiliate-logos.png

affiliate-logos.png

705 ms

wechat-QR.jpg

wechat-QR.jpg

712 ms

ai.2.min.js

ai.2.min.js

168 ms

template-icons.BJ-9NSri.woff

template-icons.BJ-9NSri.woff

630 ms

Accessibility Review

slii.net accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Some elements have a [tabindex] value greater than 0

Best Practices

slii.net best practices score

92

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

Page has valid source maps

SEO Factors

slii.net SEO score

79

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

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

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 Slii.net 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 Slii.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

slii.net

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