Tools & Wizards About Us
isel-us.com screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

isel-us.com

Isel USA | Linear Actuators | Cartesian Robots | Rotary Stages

Page Load Speed

1.3 sec in total

First Response

53 ms

Resources Loaded

1.1 sec

Page Rendered

185 ms

isel-us.com screenshot

About Website

Visit isel-us.com now to see the best up-to-date Isel Us content for United States and also check out these interesting facts you probably never knew about isel-us.com

Isel USA provides precision automation systems including complete linear automation systems and linear motion components. Contact us for application assistance.

Visit isel-us.com

Key Findings

We analyzed Isel-us.com page load time and found that the first response time was 53 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

isel-us.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

3/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value1,370 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.393

26/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

isel-us.com

53 ms

www.isel-us.com

318 ms

gtm.js

170 ms

launch-626b75c48589.min.js

29 ms

font-awesome.min.css

44 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 49% of them (17 requests) were addressed to the original Isel-us.com, 9% (3 requests) were made to Googletagmanager.com and 9% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (335 ms) relates to the external source Twin-iq.kickfire.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 656.8 kB (60%)

Content Size

1.1 MB

After Optimization

443.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Isel-us.com main page is 1.1 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. HTML takes 868.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 652.8 kB

  • Original 868.9 kB
  • After minification 861.2 kB
  • After compression 216.1 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. 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 652.8 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 2.9 kB

  • Original 181.2 kB
  • After minification 178.3 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. Isel Us images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 1.1 kB

  • Original 49.6 kB
  • After minification 49.5 kB
  • After compression 48.5 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

-17%

Potential reduce by 45 B

  • Original 259 B
  • After minification 259 B
  • After compression 214 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. Isel-us.com needs all CSS files to be minified and compressed as it can save up to 45 B or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (21%)

Requests Now

28

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isel Us. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

isel-us.com

isel-us.com

53 ms

www.isel-us.com

www.isel-us.com

318 ms

gtm.js

gtm.js

170 ms

launch-626b75c48589.min.js

launch-626b75c48589.min.js

29 ms

font-awesome.min.css

font-awesome.min.css

44 ms

js

js

168 ms

loading.gif

loading.gif

22 ms

css

css

39 ms

print.css

print.css

16 ms

statistics.asp

statistics.asp

276 ms

track.js

track.js

285 ms

store_logo.png

store_logo.png

117 ms

js

js

43 ms

searchBtn.png

searchBtn.png

41 ms

414c1117ff9c8495cb300033b978cd10.thumb.png

414c1117ff9c8495cb300033b978cd10.thumb.png

81 ms

subHeaderRed.jpg

subHeaderRed.jpg

127 ms

homepage_gantry.jpg

homepage_gantry.jpg

81 ms

homepage_ball_screw.jpg

homepage_ball_screw.jpg

80 ms

homepage_belt.jpg

homepage_belt.jpg

81 ms

homepage_rotary.jpg

homepage_rotary.jpg

87 ms

homepage_linear_rails.jpg

homepage_linear_rails.jpg

89 ms

homepage_ball_screw_nuts.jpg

homepage_ball_screw_nuts.jpg

86 ms

homepage_aluminum.jpg

homepage_aluminum.jpg

88 ms

homepage_aluminum_extrusion.jpg

homepage_aluminum_extrusion.jpg

84 ms

icons_sprite.png

icons_sprite.png

102 ms

ijwTs5juQtsyLLR5jN4cxBEoTJzawQ.woff

ijwTs5juQtsyLLR5jN4cxBEoTJzawQ.woff

64 ms

ijwOs5juQtsyLLR5jN4cxBEoREP-0uYVLQ.woff

ijwOs5juQtsyLLR5jN4cxBEoREP-0uYVLQ.woff

69 ms

ijwOs5juQtsyLLR5jN4cxBEoRCf_0uYVLQ.woff

ijwOs5juQtsyLLR5jN4cxBEoRCf_0uYVLQ.woff

95 ms

a271a8cc-ffb5-41f0-85e2-50fc4afe46e6.js

a271a8cc-ffb5-41f0-85e2-50fc4afe46e6.js

83 ms

twin.js

twin.js

335 ms

track-visibility.aspx

track-visibility.aspx

318 ms

push

push

269 ms

twin.php

twin.php

72 ms

st.js

st.js

15 ms

41 ms

Accessibility Review

isel-us.com accessibility score

85

Accessibility Issues

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

<input type="image"> elements do not have [alt] text

High

Links do not have a discernible name

Best Practices

isel-us.com best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

isel-us.com SEO score

91

Search Engine Optimization Advices

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

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 Isel-us.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 Isel-us.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

isel-us.com

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