Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    86% of websites

  • 93

    SEO

    Google-friendlier than
    88% of websites

bts.io

BTS | Business Telecommunications Services

Page Load Speed

13.4 sec in total

First Response

3.1 sec

Resources Loaded

9.9 sec

Page Rendered

453 ms

bts.io screenshot

About Website

Click here to check amazing BTS content. Otherwise, check out these important facts you probably never knew about bts.io

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Key Findings

We analyzed Bts.io page load time and found that the first response time was 3.1 sec and then it took 10.3 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

bts.io performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

28/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value11.7 s

4/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.476

18/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

www.bts.io

3081 ms

language-selector.css

196 ms

58fb1da4_ai1ec_parsed_css.css

884 ms

language-selector-click.css

210 ms

css3panels.css

294 ms

Our browser made a total of 135 requests to load all elements on the main page. We found that 87% of them (118 requests) were addressed to the original Bts.io, 2% (3 requests) were made to Fonts.googleapis.com and 2% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Bts.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (46%)

Content Size

3.6 MB

After Optimization

2.0 MB

In fact, the total size of Bts.io main page is 3.6 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. 65% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 104.9 kB

  • Original 127.2 kB
  • After minification 123.9 kB
  • After compression 22.3 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 104.9 kB or 82% of the original size.

Image Optimization

-7%

Potential reduce by 103.6 kB

  • Original 1.5 MB
  • After minification 1.4 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. BTS images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 674.0 kB

  • Original 982.5 kB
  • After minification 948.7 kB
  • After compression 308.6 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 674.0 kB or 69% of the original size.

CSS Optimization

-77%

Potential reduce by 759.1 kB

  • Original 979.7 kB
  • After minification 891.1 kB
  • After compression 220.6 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. Bts.io needs all CSS files to be minified and compressed as it can save up to 759.1 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 64 (48%)

Requests Now

133

After Optimization

69

The browser has sent 133 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BTS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 24 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bts.io accessibility score

89

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

bts.io 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

SEO Factors

bts.io SEO score

93

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

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 Bts.io 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 Bts.io 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 data is detected on the main page of BTS. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: