Tools & Wizards About Us

Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

sestech.com

SES is your single source solution provider for all your grounding / earthing, corrosion control, lightning, electromagnetic interference and EMC anal...

Page Load Speed

3.6 sec in total

First Response

42 ms

Resources Loaded

1.6 sec

Page Rendered

2 sec

About Website

Click here to check amazing SES Tech content. Otherwise, check out these important facts you probably never knew about sestech.com

SES (SESTech) is your single source solution provider for all your grounding, earthing, lightning, electromagnetic interference and EMC analysis and mitigation problems. CDEGS Engineering Software: Cu...

Visit sestech.com

Key Findings

We analyzed Sestech.com page load time and found that the first response time was 42 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

sestech.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value91.2 s

0/100

25%

SI (Speed Index)

Value48.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,600 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.205

60/100

15%

TTI (Time to Interactive)

Value57.6 s

0/100

10%

Network Requests Diagram

sestech.com

42 ms

sestech.com

118 ms

css

106 ms

font

105 ms

css

203 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 81% of them (64 requests) were addressed to the original Sestech.com, 9% (7 requests) were made to Cdn.datatables.net and 3% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (878 ms) belongs to the original domain Sestech.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.2 MB (18%)

Content Size

50.0 MB

After Optimization

40.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sestech.com main page is 50.0 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. Only a small number of websites need less resources to load. Images take 49.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 90.7 kB

  • Original 105.3 kB
  • After minification 77.1 kB
  • After compression 14.7 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. This page needs HTML code to be minified as it can gain 28.2 kB, which is 27% 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 90.7 kB or 86% of the original size.

Image Optimization

-18%

Potential reduce by 8.8 MB

  • Original 49.3 MB
  • After minification 40.5 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. Obviously, SES Tech needs image optimization as it can save up to 8.8 MB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-44%

Potential reduce by 200.3 kB

  • Original 456.4 kB
  • After minification 394.8 kB
  • After compression 256.1 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 200.3 kB or 44% of the original size.

CSS Optimization

-93%

Potential reduce by 68.5 kB

  • Original 73.9 kB
  • After minification 52.0 kB
  • After compression 5.4 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. Sestech.com needs all CSS files to be minified and compressed as it can save up to 68.5 kB or 93% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (59%)

Requests Now

75

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SES Tech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

sestech.com accessibility score

67

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible 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.

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 IDs are not unique

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

sestech.com best practices score

75

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

sestech.com SEO score

74

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

High

Image elements do not have [alt] attributes

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sestech.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 Sestech.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 SES Tech. 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: