Tools & Wizards About Us
centurylink.com screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

centurylink.com

Residential Services: Home Internet, TV, & Phone | CenturyLink

Page Load Speed

1.9 sec in total

First Response

121 ms

Resources Loaded

1.3 sec

Page Rendered

458 ms

centurylink.com screenshot

About Website

Visit centurylink.com now to see the best up-to-date Century Link content for United States and also check out these interesting facts you probably never knew about centurylink.com

Discover CenturyLink residential home internet services. Find high-speed internet, local and long distance home phone services, TV, and special bundle offers.

Visit centurylink.com

Key Findings

We analyzed Centurylink.com page load time and found that the first response time was 121 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

centurylink.com performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value5,430 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.141

78/100

15%

TTI (Time to Interactive)

Value28.6 s

0/100

10%

Network Requests Diagram

centurylink.com

121 ms

www.centurylink.com

32 ms

www.centurylink.com

40 ms

adrum-22.6.0.3859.js

28 ms

core.min.js

44 ms

Our browser made a total of 113 requests to load all elements on the main page. We found that 87% of them (98 requests) were addressed to the original Centurylink.com, 3% (3 requests) were made to Cdnjs.cloudflare.com and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (281 ms) relates to the external source A25781141164.cdn.optimizely.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 231.2 kB (10%)

Content Size

2.3 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centurylink.com main page is 2.3 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. Only a small number of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 171.2 kB

  • Original 205.2 kB
  • After minification 162.8 kB
  • After compression 34.0 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. This page needs HTML code to be minified as it can gain 42.4 kB, which is 21% 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 171.2 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.6 MB
  • After minification 1.6 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. Century Link images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 41.5 kB

  • Original 288.2 kB
  • After minification 287.7 kB
  • After compression 246.7 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 41.5 kB or 14% of the original size.

CSS Optimization

-10%

Potential reduce by 18.5 kB

  • Original 177.2 kB
  • After minification 177.0 kB
  • After compression 158.6 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. Centurylink.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 56 (53%)

Requests Now

106

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Century Link. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

centurylink.com

centurylink.com

121 ms

www.centurylink.com

www.centurylink.com

32 ms

www.centurylink.com

www.centurylink.com

40 ms

adrum-22.6.0.3859.js

adrum-22.6.0.3859.js

28 ms

core.min.js

core.min.js

44 ms

crypto-js.min.js

crypto-js.min.js

64 ms

aes.min.js

aes.min.js

63 ms

reset.css

reset.css

7 ms

jquery-3.7.0.js

jquery-3.7.0.js

18 ms

require2.js

require2.js

23 ms

mp_linkcode.js

mp_linkcode.js

23 ms

bootstrap.min.css

bootstrap.min.css

31 ms

template_a.css

template_a.css

34 ms

global-responsive.css

global-responsive.css

32 ms

qwest.jquery-ui-autocomplete-0.0.1.css

qwest.jquery-ui-autocomplete-0.0.1.css

32 ms

jqModal.css

jqModal.css

33 ms

modals.css

modals.css

37 ms

zipmodal.css

zipmodal.css

38 ms

embeddedGeoContentController-responsive.js

embeddedGeoContentController-responsive.js

37 ms

home-responsive.css

home-responsive.css

37 ms

hero-address-form.css

hero-address-form.css

36 ms

home-res-banner.css

home-res-banner.css

43 ms

res_nav_transparent.css

res_nav_transparent.css

41 ms

global-navbar.css

global-navbar.css

40 ms

global-navbar.js

global-navbar.js

41 ms

uni_res_nav.js

uni_res_nav.js

42 ms

resHomeBanner-bannerScripts.js

resHomeBanner-bannerScripts.js

42 ms

hero-address-form-supplement.js

hero-address-form-supplement.js

44 ms

ctap-address-form.js

ctap-address-form.js

43 ms

mpel.js

mpel.js

27 ms

global-footer.css

global-footer.css

43 ms

global-footer.js

global-footer.js

42 ms

gtm.js

gtm.js

164 ms

jquery-ui-1.8.11.custom.css

jquery-ui-1.8.11.custom.css

15 ms

qwest.jquery-ui-0.0.1.css

qwest.jquery-ui-0.0.1.css

13 ms

qwest_logo.png

qwest_logo.png

70 ms

ctl_logo.png

ctl_logo.png

69 ms

loading_nc_large.gif

loading_nc_large.gif

11 ms

centurylink-logo.svg

centurylink-logo.svg

10 ms

centurylink-logo-tablet.svg

centurylink-logo-tablet.svg

12 ms

search_icon.svg

search_icon.svg

14 ms

zipcode-icon-tablet.svg

zipcode-icon-tablet.svg

15 ms

left-arrow.svg

left-arrow.svg

16 ms

left_arrow_ro_icon.svg

left_arrow_ro_icon.svg

25 ms

right-arrow.svg

right-arrow.svg

25 ms

right_arrow_ro_icon.svg

right_arrow_ro_icon.svg

26 ms

redesignHero.png

redesignHero.png

119 ms

res_home_mobile.png

res_home_mobile.png

35 ms

100Mbps.svg

100Mbps.svg

27 ms

940Mbps.svg

940Mbps.svg

30 ms

sbg-work-hard-mobile.jpg

sbg-work-hard-mobile.jpg

33 ms

Accessories-Mobile.png

Accessories-Mobile.png

138 ms

CTL-500-Mbps.svg

CTL-500-Mbps.svg

31 ms

RES_Banners_wfh_mob.jpg

RES_Banners_wfh_mob.jpg

111 ms

LocationIcon_av.svg

LocationIcon_av.svg

106 ms

loading_small.gif

loading_small.gif

110 ms

smartPhone.png

smartPhone.png

108 ms

womanLaptop.png

womanLaptop.png

114 ms

manPhone.png

manPhone.png

118 ms

devices.png

devices.png

112 ms

monitor.png

monitor.png

113 ms

TV_popcorn_mobile.png

TV_popcorn_mobile.png

115 ms

phone_guy_mobile.png

phone_guy_mobile.png

118 ms

accessories_mobile.png

accessories_mobile.png

119 ms

fiber_internet_mobile.png

fiber_internet_mobile.png

118 ms

ACP.png

ACP.png

144 ms

ACPmobile.png

ACPmobile.png

132 ms

30to0.png

30to0.png

122 ms

speedMeter.svg

speedMeter.svg

120 ms

247clock.svg

247clock.svg

122 ms

MaisonNeue-Book.otf

MaisonNeue-Book.otf

136 ms

wifiSymbol.svg

wifiSymbol.svg

128 ms

paperMoney.svg

paperMoney.svg

131 ms

yogaLady.png

yogaLady.png

170 ms

xboxController.png

xboxController.png

131 ms

videoTablet.png

videoTablet.png

130 ms

rokuStick.png

rokuStick.png

129 ms

fiveStar-518x200.png

fiveStar-518x200.png

129 ms

mpel_storage.html

mpel_storage.html

19 ms

bootstrap.min.js

bootstrap.min.js

125 ms

fiveStar-312x120.png

fiveStar-312x120.png

121 ms

headphones.svg

headphones.svg

124 ms

computer.svg

computer.svg

156 ms

checkmark-72x72.png

checkmark-72x72.png

117 ms

Refer-Earn-Blade.jpg

Refer-Earn-Blade.jpg

145 ms

packages.png

packages.png

149 ms

boxes_mobile.png

boxes_mobile.png

148 ms

twitter-logo.svg

twitter-logo.svg

143 ms

jquery.autozam.js

jquery.autozam.js

207 ms

cookies2.js

cookies2.js

206 ms

locator.js

locator.js

206 ms

linked-in-logo.svg

linked-in-logo.svg

204 ms

facebook-logo.svg

facebook-logo.svg

204 ms

youtube-logo.svg

youtube-logo.svg

203 ms

feedback.gif

feedback.gif

204 ms

25995390211.js

25995390211.js

160 ms

js

js

214 ms

otSDKStub.js

otSDKStub.js

169 ms

gtm.js

gtm.js

169 ms

MaisonNeue-Light.otf

MaisonNeue-Light.otf

120 ms

MaisonNeue-Medium.otf

MaisonNeue-Medium.otf

118 ms

MaisonNeue-Bold.otf

MaisonNeue-Bold.otf

119 ms

jquery-ui-1.13.2.min.js

jquery-ui-1.13.2.min.js

117 ms

a25781141164.html

a25781141164.html

281 ms

collect

collect

232 ms

jqModal.js

jqModal.js

75 ms

d4a5a70c-4354-4592-85d0-10a8269aad24.json

d4a5a70c-4354-4592-85d0-10a8269aad24.json

86 ms

chat-ball-button-1x.png

chat-ball-button-1x.png

12 ms

sfChatiFrame.html

sfChatiFrame.html

30 ms

deployment.js

deployment.js

131 ms

jquery.qwest-core.js

jquery.qwest-core.js

11 ms

salesforce-chat-iframe.min.css

salesforce-chat-iframe.min.css

73 ms

centurycore.shortcuts.js

centurycore.shortcuts.js

48 ms

Accessibility Review

centurylink.com accessibility score

94

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

centurylink.com best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

centurylink.com SEO score

82

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centurylink.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 Centurylink.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

centurylink.com

Open Graph description is not detected on the main page of Century Link. 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: