Tools & Wizards About Us
callstream.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

callstream.com

Call Management Experts

Page Load Speed

3.1 sec in total

First Response

738 ms

Resources Loaded

2 sec

Page Rendered

356 ms

callstream.com screenshot

About Website

Visit callstream.com now to see the best up-to-date Call Stream content and also check out these interesting facts you probably never knew about callstream.com

Callstream is a leading provider of voice and connectivity solutions in the UK. Call us today on 0333 400 9990 for more information.

Visit callstream.com

Key Findings

We analyzed Callstream.com page load time and found that the first response time was 738 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

callstream.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value21.1 s

0/100

25%

SI (Speed Index)

Value16.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,000 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value26.7 s

0/100

10%

Network Requests Diagram

callstream.com

738 ms

mappress.css

159 ms

hubspot.css

160 ms

jquery.js

398 ms

jquery-migrate.min.js

163 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 55% of them (26 requests) were addressed to the original Callstream.com, 17% (8 requests) were made to Fast.wistia.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (738 ms) belongs to the original domain Callstream.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 278.0 kB (37%)

Content Size

758.8 kB

After Optimization

480.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Callstream.com main page is 758.8 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 467.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 30.1 kB

  • Original 38.6 kB
  • After minification 36.3 kB
  • After compression 8.5 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 30.1 kB or 78% of the original size.

Image Optimization

-19%

Potential reduce by 42.2 kB

  • Original 217.8 kB
  • After minification 175.7 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. Obviously, Call Stream needs image optimization as it can save up to 42.2 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-38%

Potential reduce by 176.4 kB

  • Original 467.9 kB
  • After minification 465.0 kB
  • After compression 291.6 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 176.4 kB or 38% of the original size.

CSS Optimization

-85%

Potential reduce by 29.4 kB

  • Original 34.5 kB
  • After minification 22.3 kB
  • After compression 5.1 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. Callstream.com needs all CSS files to be minified and compressed as it can save up to 29.4 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (45%)

Requests Now

40

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Call Stream. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

callstream.com

callstream.com

738 ms

mappress.css

mappress.css

159 ms

hubspot.css

hubspot.css

160 ms

jquery.js

jquery.js

398 ms

jquery-migrate.min.js

jquery-migrate.min.js

163 ms

see-mobile-register-ajax.js

see-mobile-register-ajax.js

167 ms

css

css

24 ms

E-v1.js

E-v1.js

126 ms

current.js

current.js

91 ms

jquery.cycle.all.min.js

jquery.cycle.all.min.js

172 ms

integrations-hubspot-v1.js

integrations-hubspot-v1.js

47 ms

style.css

style.css

166 ms

nas.v1.min.js

nas.v1.min.js

227 ms

analytics.js

analytics.js

61 ms

slider_0421.jpg

slider_0421.jpg

305 ms

bf666056-36d0-483e-aeb2-6118e9107de7.png

bf666056-36d0-483e-aeb2-6118e9107de7.png

146 ms

Callstream_logo.png

Callstream_logo.png

142 ms

Midas-e1418305073285.png

Midas-e1418305073285.png

140 ms

Vault.png

Vault.png

141 ms

Nucleus.png

Nucleus.png

143 ms

Webtrace.png

Webtrace.png

143 ms

Track.png

Track.png

141 ms

businesscontinuity.png

businesscontinuity.png

254 ms

woman-receives-a-nuisance-call-3684361.jpg

woman-receives-a-nuisance-call-3684361.jpg

217 ms

CNA-small.jpg

CNA-small.jpg

256 ms

BROKER-EXPO-STAND.png

BROKER-EXPO-STAND.png

255 ms

linkedin.png

linkedin.png

218 ms

twitter.png

twitter.png

217 ms

google.png

google.png

252 ms

callstream_footerlogo.png

callstream_footerlogo.png

292 ms

arrow_2.png

arrow_2.png

295 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

85 ms

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

85 ms

widgets.js

widgets.js

161 ms

iframe_shim

iframe_shim

44 ms

collect

collect

80 ms

0lm3nvgsp5.json

0lm3nvgsp5.json

45 ms

slider_0421.jpg

slider_0421.jpg

188 ms

arrow_2.png

arrow_2.png

109 ms

393252.js

393252.js

102 ms

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

timeline.d11f7a3b3287fb94220e8ee6d03cc772.js

133 ms

socialbar-v1.js

socialbar-v1.js

22 ms

postRoll-v1.js

postRoll-v1.js

21 ms

WistiaOpenSansLight.woff

WistiaOpenSansLight.woff

40 ms

WistiaOpenSansSemiBold.woff

WistiaOpenSansSemiBold.woff

39 ms

syndication

syndication

81 ms

489557344531906561

489557344531906561

208 ms

Accessibility Review

callstream.com accessibility score

74

Accessibility Issues

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 input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

callstream.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

callstream.com SEO score

75

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 Callstream.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 Callstream.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

callstream.com

Open Graph data is detected on the main page of Call Stream. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: