Report Summary

  • 94

    Performance

    Renders faster than
    93% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

sumatron.com

Sumatron, Inc.

Page Load Speed

1.1 sec in total

First Response

319 ms

Resources Loaded

574 ms

Page Rendered

195 ms

sumatron.com screenshot

About Website

Click here to check amazing Sumatron content. Otherwise, check out these important facts you probably never knew about sumatron.com

Visit sumatron.com

Key Findings

We analyzed Sumatron.com page load time and found that the first response time was 319 ms and then it took 769 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

sumatron.com performance score

94

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value3.0 s

77/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

sumatron.com

319 ms

sumstyle.css

52 ms

sumheadt.png

157 ms

seminaraddyn.png

183 ms

software.png

231 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Sumatron.com and no external sources were called. The less responsive or slowest element that took the longest time to load (319 ms) belongs to the original domain Sumatron.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 33.1 kB (6%)

Content Size

533.6 kB

After Optimization

500.5 kB

In fact, the total size of Sumatron.com main page is 533.6 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. 15% of websites need less resources to load. Images take 522.0 kB which makes up the majority of the site volume.

HTML Optimization

-67%

Potential reduce by 2.0 kB

  • Original 3.0 kB
  • After minification 2.9 kB
  • After compression 1.0 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 2.0 kB or 67% of the original size.

Image Optimization

-5%

Potential reduce by 23.8 kB

  • Original 522.0 kB
  • After minification 498.2 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. Sumatron images are well optimized though.

CSS Optimization

-85%

Potential reduce by 7.3 kB

  • Original 8.5 kB
  • After minification 7.0 kB
  • After compression 1.3 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. Sumatron.com needs all CSS files to be minified and compressed as it can save up to 7.3 kB or 85% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sumatron. According to our analytics all requests are already optimized.

Accessibility Review

sumatron.com accessibility score

61

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

sumatron.com 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

sumatron.com SEO score

58

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

Image elements do not have [alt] attributes

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 Sumatron.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 Sumatron.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 Sumatron. 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: