Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

concern.sbm.pw

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Page Load Speed

2.1 sec in total

First Response

138 ms

Resources Loaded

1.4 sec

Page Rendered

545 ms

concern.sbm.pw screenshot

About Website

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Key Findings

We analyzed Concern.sbm.pw page load time and found that the first response time was 138 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

concern.sbm.pw performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

62/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value1,280 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

concern.sbm.pw

138 ms

www.concern.sbm.pw

476 ms

bootstrap.no-icons.min.css

127 ms

bootstrap-theme.min.css

141 ms

font-awesome.min.css

136 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 67% of them (26 requests) were addressed to the original Concern.sbm.pw, 10% (4 requests) were made to Ajax.googleapis.com and 8% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (476 ms) belongs to the original domain Concern.sbm.pw.

Page Optimization Overview & Recommendations

Page size can be reduced by 119.5 kB (28%)

Content Size

419.8 kB

After Optimization

300.3 kB

In fact, the total size of Concern.sbm.pw main page is 419.8 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. 40% of websites need less resources to load. Javascripts take 167.1 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 86.9 kB

  • Original 102.6 kB
  • After minification 79.3 kB
  • After compression 15.6 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 23.2 kB, which is 23% 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 86.9 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 949 B

  • Original 96.7 kB
  • After minification 95.8 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. Concern Sbm images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 6.8 kB

  • Original 167.1 kB
  • After minification 167.1 kB
  • After compression 160.3 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

-47%

Potential reduce by 24.8 kB

  • Original 53.4 kB
  • After minification 53.2 kB
  • After compression 28.6 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. Concern.sbm.pw needs all CSS files to be minified and compressed as it can save up to 24.8 kB or 47% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (70%)

Requests Now

27

After Optimization

8

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Concern Sbm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

concern.sbm.pw accessibility score

75

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

concern.sbm.pw 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

SEO Factors

concern.sbm.pw SEO score

84

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

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 doesn't use 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 Concern.sbm.pw 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 Concern.sbm.pw 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 Concern Sbm. 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: