Tools & Wizards About Us
controlservicecenter.com screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

controlservicecenter.com

Boulder Heating Repairs | HVAC Maintenance | Air Conditioning System

Page Load Speed

3.9 sec in total

First Response

138 ms

Resources Loaded

3.4 sec

Page Rendered

352 ms

controlservicecenter.com screenshot

About Website

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

When it comes to air conditioning or heating repair and HVAC maintenance services, no one does it better than Control Service Center, Inc. based in Boulder, CO.

Visit controlservicecenter.com

Key Findings

We analyzed Controlservicecenter.com page load time and found that the first response time was 138 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

controlservicecenter.com performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value5.0 s

63/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value6.9 s

53/100

10%

Network Requests Diagram

controlservicecenter.com

138 ms

www.controlservicecenter.com

1839 ms

react.production.min.js

32 ms

react-dom.production.min.js

44 ms

fat_core.EN.js

126 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Controlservicecenter.com, 39% (22 requests) were made to 0201.nccdn.net and 36% (20 requests) were made to Img-fl.nccdn.net. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Controlservicecenter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 221.6 kB (31%)

Content Size

724.5 kB

After Optimization

502.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Controlservicecenter.com main page is 724.5 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. 25% of websites need less resources to load. Images take 357.2 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 149.8 kB

  • Original 176.0 kB
  • After minification 173.7 kB
  • After compression 26.2 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 149.8 kB or 85% of the original size.

Image Optimization

-3%

Potential reduce by 10.3 kB

  • Original 357.2 kB
  • After minification 346.9 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. Controlservicecenter images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 61.4 kB

  • Original 179.1 kB
  • After minification 154.6 kB
  • After compression 117.6 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 61.4 kB or 34% of the original size.

CSS Optimization

-0%

Potential reduce by 30 B

  • Original 12.2 kB
  • After minification 12.2 kB
  • After compression 12.2 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. Controlservicecenter.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 29 (57%)

Requests Now

51

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Controlservicecenter. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

controlservicecenter.com

controlservicecenter.com

138 ms

www.controlservicecenter.com

www.controlservicecenter.com

1839 ms

react.production.min.js

react.production.min.js

32 ms

react-dom.production.min.js

react-dom.production.min.js

44 ms

fat_core.EN.js

fat_core.EN.js

126 ms

env.js

env.js

468 ms

fat_eua.EN.js

fat_eua.EN.js

163 ms

fat_freemona.css

fat_freemona.css

156 ms

css

css

32 ms

fat_display.js

fat_display.js

155 ms

header.transpiled.js

header.transpiled.js

162 ms

fat_freemona.js

fat_freemona.js

204 ms

fat_display.EN.js

fat_display.EN.js

174 ms

fat_display.js

fat_display.js

189 ms

fat_display.js

fat_display.js

179 ms

fat_display_item.js

fat_display_item.js

181 ms

styles.css

styles.css

199 ms

fat_slideshow_animated.EN.js

fat_slideshow_animated.EN.js

204 ms

fat_display.EN.js

fat_display.EN.js

201 ms

fat_display.js

fat_display.js

208 ms

fat_styles.css

fat_styles.css

219 ms

fat_display.EN.js

fat_display.EN.js

223 ms

display.m.EN.js

display.m.EN.js

227 ms

GoogleMaps_display.css

GoogleMaps_display.css

226 ms

count.js

count.js

227 ms

Logo.JPG

Logo.JPG

73 ms

3-85x56-85x56.png

3-85x56-85x56.png

181 ms

4-886x29.png

4-886x29.png

225 ms

h2_bottomline-170x2-170x2-170x2-170x2-170x2-170x2-170x2-170x2-170x2-170x2-170x2-170x2-170x2.jpg

h2_bottomline-170x2-170x2-170x2-170x2-170x2-170x2-170x2-170x2-170x2-170x2-170x2-170x2-170x2.jpg

270 ms

01-100x100.png

01-100x100.png

192 ms

02-100x100.png

02-100x100.png

191 ms

03.png

03.png

216 ms

04-100x100-100x100.png

04-100x100-100x100.png

324 ms

05-100x100.png

05-100x100.png

353 ms

06-100x100-100x100.png

06-100x100-100x100.png

238 ms

07.png

07.png

383 ms

08-100x100-100x100-100x100.png

08-100x100-100x100-100x100.png

389 ms

09-100x100.png

09-100x100.png

384 ms

10-100x100.png

10-100x100.png

431 ms

h2_bottomline-170x2-170x2-170x2-170x2-170x2-170x2-170x2.jpg

h2_bottomline-170x2-170x2-170x2-170x2-170x2-170x2-170x2.jpg

473 ms

20190404_095707-1067x800.jpg

20190404_095707-1067x800.jpg

751 ms

5-115x115.png

5-115x115.png

544 ms

6-39x39-39x39-39x39-39x39.png

6-39x39-39x39-39x39-39x39.png

533 ms

7-38x38-38x38-38x38-38x38.png

7-38x38-38x38-38x38-38x38.png

576 ms

blank.gif

blank.gif

25 ms

cta_icon.png

cta_icon.png

581 ms

pxiEyp8kv8JHgFVrJJfedw.ttf

pxiEyp8kv8JHgFVrJJfedw.ttf

26 ms

pxiByp8kv8JHgFVrLCz7Z1xlEA.ttf

pxiByp8kv8JHgFVrLCz7Z1xlEA.ttf

32 ms

7Aulp_0qiz-aVz7u3PJLcUMYOFmQkEk30e0.ttf

7Aulp_0qiz-aVz7u3PJLcUMYOFmQkEk30e0.ttf

33 ms

bg.jpg

bg.jpg

815 ms

ptrn.jpg

ptrn.jpg

632 ms

ctin.php

ctin.php

58 ms

ctin.php

ctin.php

106 ms

embed

embed

300 ms

js

js

50 ms

count.js

count.js

79 ms

Accessibility Review

controlservicecenter.com accessibility score

91

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

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

High

Image elements do not have [alt] attributes

Best Practices

controlservicecenter.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

controlservicecenter.com SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Controlservicecenter.com 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 Controlservicecenter.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

controlservicecenter.com

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