Tools & Wizards About Us
englishcentralchina.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 85

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

englishcentralchina.com

网上英语课堂 | 英语视频 - Interactive Video Learning

Page Load Speed

4.5 sec in total

First Response

747 ms

Resources Loaded

3.4 sec

Page Rendered

343 ms

englishcentralchina.com screenshot

About Website

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

利用网上最热门视频学英语

Visit englishcentralchina.com

Key Findings

We analyzed Englishcentralchina.com page load time and found that the first response time was 747 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 60% of websites can load faster.

Performance Metrics

englishcentralchina.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

67/100

10%

LCP (Largest Contentful Paint)

Value21.6 s

0/100

25%

SI (Speed Index)

Value17.1 s

0/100

10%

TBT (Total Blocking Time)

Value10,320 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.067

97/100

15%

TTI (Time to Interactive)

Value28.4 s

0/100

10%

Network Requests Diagram

videos

747 ms

A.font-awesome.min.css.pagespeed.cf.HpcIsdYD5q.css

283 ms

A.bootstrap.min.css.pagespeed.cf.91JUETGGoL.css

288 ms

A.bootstrap-theme.min.css.pagespeed.cf.9RvW9X_BaB.css

286 ms

A.contact-us.css.pagespeed.cf.bHuOj47bCd.css

303 ms

Our browser made a total of 255 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Englishcentralchina.com, 6% (16 requests) were made to Cdna.englishcentralchina.com and 2% (6 requests) were made to En.englishcentralchina.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Hm.baidu.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (62%)

Content Size

2.2 MB

After Optimization

856.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Englishcentralchina.com main page is 2.2 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. 70% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 327.6 kB

  • Original 378.7 kB
  • After minification 336.7 kB
  • After compression 51.1 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 42.1 kB, which is 11% 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 327.6 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 8.9 kB

  • Original 383.0 kB
  • After minification 374.1 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. Englishcentralchina images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 814.1 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 373.6 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 814.1 kB or 69% of the original size.

CSS Optimization

-80%

Potential reduce by 226.4 kB

  • Original 283.9 kB
  • After minification 282.6 kB
  • After compression 57.5 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. Englishcentralchina.com needs all CSS files to be minified and compressed as it can save up to 226.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 198 (81%)

Requests Now

244

After Optimization

46

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 244 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Englishcentralchina. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 167 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

videos

videos

747 ms

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286 ms

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jq-1.8.3.js.pagespeed.jm.0IhQ85x_cu.js

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adframe.js.pagespeed.jm.2lQNmJYhb3.js

adframe.js.pagespeed.jm.2lQNmJYhb3.js

359 ms

conversion_async.js

conversion_async.js

40 ms

angular.min.js.pagespeed.jm.Si-6FvqDyF.js

angular.min.js.pagespeed.jm.Si-6FvqDyF.js

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angular-sanitize.js+angular-route.js.pagespeed.jc.zk6FxIK5yx.js

angular-sanitize.js+angular-route.js.pagespeed.jc.zk6FxIK5yx.js

351 ms

angular-animate.js.pagespeed.jm.Fq6oSgmVF7.js

angular-animate.js.pagespeed.jm.Fq6oSgmVF7.js

351 ms

lodash.min.js.pagespeed.jm.sJ9k3fSEOj.js

lodash.min.js.pagespeed.jm.sJ9k3fSEOj.js

353 ms

json2.js.pagespeed.jm.jsiVIawiq9.js

json2.js.pagespeed.jm.jsiVIawiq9.js

353 ms

moment.js.pagespeed.jm.MfplvJjB6D.js

moment.js.pagespeed.jm.MfplvJjB6D.js

355 ms

moment-timezone.js+moment-range.js.pagespeed.jc.apIXlG0q96.js

moment-timezone.js+moment-range.js.pagespeed.jc.apIXlG0q96.js

356 ms

angular-adaptive-detection.min.js.pagespeed.jm.Xr5N_lYqgW.js

angular-adaptive-detection.min.js.pagespeed.jm.Xr5N_lYqgW.js

357 ms

angular-validator.js.pagespeed.jm.HwxiNeqe_M.js

angular-validator.js.pagespeed.jm.HwxiNeqe_M.js

103 ms

restangular.min.js.pagespeed.jm.dhtx2BFwrq.js

restangular.min.js.pagespeed.jm.dhtx2BFwrq.js

89 ms

ui-bootstrap.min.js.pagespeed.jm.rb1V_kap0i.js

ui-bootstrap.min.js.pagespeed.jm.rb1V_kap0i.js

91 ms

ui-bootsrap-tpls.min.js.pagespeed.jm.zZT7BYImtZ.js

ui-bootsrap-tpls.min.js.pagespeed.jm.zZT7BYImtZ.js

216 ms

angularytics.js.pagespeed.jm.psxhfO_1MF.js

angularytics.js.pagespeed.jm.psxhfO_1MF.js

90 ms

localStorageModule.js.pagespeed.jm.ThCpbOS6lW.js

localStorageModule.js.pagespeed.jm.ThCpbOS6lW.js

92 ms

angular-cookies.min.js.pagespeed.jm.lDc7pl7apd.js

angular-cookies.min.js.pagespeed.jm.lDc7pl7apd.js

93 ms

LocalCache.js.pagespeed.jm.yRxhWppJ80.js

LocalCache.js.pagespeed.jm.yRxhWppJ80.js

98 ms

Bootstrap.js.pagespeed.jm.b7EN_mzQIF.js

Bootstrap.js.pagespeed.jm.b7EN_mzQIF.js

95 ms

ec.js.pagespeed.jm.GS1AegQluC.js

ec.js.pagespeed.jm.GS1AegQluC.js

94 ms

lazyLoading.js+scrollTo.js.pagespeed.jc.VKyv1knSfS.js

lazyLoading.js+scrollTo.js.pagespeed.jc.VKyv1knSfS.js

97 ms

ecScrollSpyService.js.pagespeed.jm.p_Ba6h8kNd.js

ecScrollSpyService.js.pagespeed.jm.p_Ba6h8kNd.js

96 ms

ecScrollSpy.js+backgroundImage.js.pagespeed.jc.owblzP06xG.js

ecScrollSpy.js+backgroundImage.js.pagespeed.jc.owblzP06xG.js

87 ms

experiment-service.js.pagespeed.jm.JZ0A_1dna3.js

experiment-service.js.pagespeed.jm.JZ0A_1dna3.js

89 ms

AnalyticsModule.js.pagespeed.jm.kJ3AGhXVUn.js

AnalyticsModule.js.pagespeed.jm.kJ3AGhXVUn.js

88 ms

Events.js.pagespeed.jm.E3EE54xVYb.js

Events.js.pagespeed.jm.E3EE54xVYb.js

80 ms

AngularyticsBaiduHandler.js+AngularyticsGaHandler.js.pagespeed.jc.2A7F9eK_bG.js

AngularyticsBaiduHandler.js+AngularyticsGaHandler.js.pagespeed.jc.2A7F9eK_bG.js

78 ms

GAPageViewOffsetService.js.pagespeed.jm.CW1ZwWyIyQ.js

GAPageViewOffsetService.js.pagespeed.jm.CW1ZwWyIyQ.js

81 ms

ecTrackEvent.js.pagespeed.jm.CDTy1Zg-0B.js

ecTrackEvent.js.pagespeed.jm.CDTy1Zg-0B.js

80 ms

NewRelicService.js+NewRelicEvent.js.pagespeed.jc.kc0_jhQHE6.js

NewRelicService.js+NewRelicEvent.js.pagespeed.jc.kc0_jhQHE6.js

64 ms

getTimestamp.js.pagespeed.jm.44oRPWEMFv.js

getTimestamp.js.pagespeed.jm.44oRPWEMFv.js

63 ms

pixel-service.js.pagespeed.jm.Pxy_WGOkKr.js

pixel-service.js.pagespeed.jm.Pxy_WGOkKr.js

60 ms

FacebookService.js.pagespeed.jm.ZwBuPPjpZV.js

FacebookService.js.pagespeed.jm.ZwBuPPjpZV.js

68 ms

facebook.js.pagespeed.jm.o2Ho4Y6kJp.js

facebook.js.pagespeed.jm.o2Ho4Y6kJp.js

66 ms

AccountPanelController.js.pagespeed.jm.Nzq14lg8wz.js

AccountPanelController.js.pagespeed.jm.Nzq14lg8wz.js

103 ms

ecFocus.js+ecAccountUpgradeButton.js+ecAccountSubscriptionType.js.pagespeed.jc.vtn3ewHR_p.js

ecFocus.js+ecAccountUpgradeButton.js+ecAccountSubscriptionType.js.pagespeed.jc.vtn3ewHR_p.js

121 ms

ConnectionFactory.js.pagespeed.jm.jDAAXkTpHT.js

ConnectionFactory.js.pagespeed.jm.jDAAXkTpHT.js

119 ms

Mediator.js.pagespeed.jm.rTlr5VszYE.js

Mediator.js.pagespeed.jm.rTlr5VszYE.js

118 ms

ecPublisher.js.pagespeed.jm.pFbcpK3wmR.js

ecPublisher.js.pagespeed.jm.pFbcpK3wmR.js

118 ms

AvatarUploadService.js.pagespeed.jm.rqD4rvbQnC.js

AvatarUploadService.js.pagespeed.jm.rqD4rvbQnC.js

118 ms

ecAccountAvatar.js.pagespeed.jm.V5c7S5lsvT.js

ecAccountAvatar.js.pagespeed.jm.V5c7S5lsvT.js

118 ms

onSessionAvailable.js.pagespeed.jm.-3cNXo3FRB.js

onSessionAvailable.js.pagespeed.jm.-3cNXo3FRB.js

117 ms

LocaleService.js.pagespeed.jm.COI9AKkjVi.js

LocaleService.js.pagespeed.jm.COI9AKkjVi.js

126 ms

jstz.min.js.pagespeed.jm.VKIgwX5fVV.js

jstz.min.js.pagespeed.jm.VKIgwX5fVV.js

125 ms

TimezoneService.js.pagespeed.jm.NGPV5wgyLj.js

TimezoneService.js.pagespeed.jm.NGPV5wgyLj.js

124 ms

AccountService.js.pagespeed.jm.JF9nPwnTew.js

AccountService.js.pagespeed.jm.JF9nPwnTew.js

121 ms

getBsonDate.js.pagespeed.jm.Y8wKOabOr4.js

getBsonDate.js.pagespeed.jm.Y8wKOabOr4.js

119 ms

ProgressService.js.pagespeed.jm.HgfgU9X89Q.js

ProgressService.js.pagespeed.jm.HgfgU9X89Q.js

119 ms

AccountService.js.pagespeed.jm.bwxF361plk.js

AccountService.js.pagespeed.jm.bwxF361plk.js

122 ms

SummaryService.js.pagespeed.jm.OpubMm6va_.js

SummaryService.js.pagespeed.jm.OpubMm6va_.js

119 ms

GroupService.js.pagespeed.jm.osOOEV-iDD.js

GroupService.js.pagespeed.jm.osOOEV-iDD.js

119 ms

AccessService.js+AccessModel.js.pagespeed.jc.T6QCFe3yUc.js

AccessService.js+AccessModel.js.pagespeed.jc.T6QCFe3yUc.js

117 ms

RoutesService.js+NavigationController.js+FooterNavigationController.js.pagespeed.jc.L6M4q1lz0k.js

RoutesService.js+NavigationController.js+FooterNavigationController.js.pagespeed.jc.L6M4q1lz0k.js

117 ms

DialogService.js.pagespeed.jm.BPfsAlomP8.js

DialogService.js.pagespeed.jm.BPfsAlomP8.js

113 ms

DialogModel.js+DialogService.js.pagespeed.jc.JNlebQgSfp.js

DialogModel.js+DialogService.js.pagespeed.jc.JNlebQgSfp.js

115 ms

DialogService.js.pagespeed.jm.zAgwondsWW.js

DialogService.js.pagespeed.jm.zAgwondsWW.js

110 ms

ProgressService.js.pagespeed.jm.ENFNCV_mUc.js

ProgressService.js.pagespeed.jm.ENFNCV_mUc.js

111 ms

paginator.js+iterator.js.pagespeed.jc.UiSHj57wa7.js

paginator.js+iterator.js.pagespeed.jc.UiSHj57wa7.js

109 ms

dateStringtoTranslatedDateString.js.pagespeed.jm.HS-zyOG2m5.js

dateStringtoTranslatedDateString.js.pagespeed.jm.HS-zyOG2m5.js

113 ms

dayListFromTimeslotList.js.pagespeed.jm.n-1ClLdRjy.js

dayListFromTimeslotList.js.pagespeed.jm.n-1ClLdRjy.js

105 ms

TimeslotService.js+TimeslotConstants.js.pagespeed.jc.u-_H89sS3W.js

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108 ms

FeatureSetService.js.pagespeed.jm.gkfDEcO5FO.js

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108 ms

ecFeature.js.pagespeed.jm.KR5hiTByAR.js

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109 ms

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108 ms

SessionAppService.js.pagespeed.jm.V8tDdjgmeQ.js

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107 ms

SessionConstants.js+SessionService.js.pagespeed.jc.kEymmpFLzn.js

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100 ms

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100 ms

hm.js

hm.js

1227 ms

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63 ms

DialogListService.js.pagespeed.jm.RXytCiFSPl.js

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63 ms

registerv3

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276 ms

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70 ms

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ecDemoPlayerBtn.js.pagespeed.jm.lY3SXnFNlU.js

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136 ms

ecPlaceHolder.js.pagespeed.jm.xIdRL_g6Ny.js

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133 ms

form-composite-model.js.pagespeed.jm.sSdEyFqEXj.js

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135 ms

onCompile.js.pagespeed.jm.XIwBlAfw9E.js

onCompile.js.pagespeed.jm.XIwBlAfw9E.js

131 ms

toggleWidget.js.pagespeed.jm.d7ObsS_vEx.js

toggleWidget.js.pagespeed.jm.d7ObsS_vEx.js

133 ms

mixin.js.pagespeed.jm.ZdhAglLzjK.js

mixin.js.pagespeed.jm.ZdhAglLzjK.js

136 ms

ecTooltipMessage.js.pagespeed.jm.qw0bTINqkC.js

ecTooltipMessage.js.pagespeed.jm.qw0bTINqkC.js

133 ms

alnum.js+email.js.pagespeed.jc.swnll4uCTW.js

alnum.js+email.js.pagespeed.jc.swnll4uCTW.js

133 ms

angular-input-match.min.js.pagespeed.ce.brPoAA7EBN.js

angular-input-match.min.js.pagespeed.ce.brPoAA7EBN.js

135 ms

ecTrim.js+ecEmailValidator.js.pagespeed.jc.CxnEc1iNl1.js

ecTrim.js+ecEmailValidator.js.pagespeed.jc.CxnEc1iNl1.js

135 ms

ecPhoneValidatorService.js.pagespeed.jm.k28JPnFrn1.js

ecPhoneValidatorService.js.pagespeed.jm.k28JPnFrn1.js

135 ms

ecPhoneValidator.js.pagespeed.jm.YHjvOYKJtI.js

ecPhoneValidator.js.pagespeed.jm.YHjvOYKJtI.js

135 ms

speech-bubble.js.pagespeed.jm.v4xMBStIkj.js

speech-bubble.js.pagespeed.jm.v4xMBStIkj.js

136 ms

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ContactUsService.js.pagespeed.jm.DKODagxk78.js

134 ms

ecSkypeIDModalHelper.js.pagespeed.jm.pITxoeS9EH.js

ecSkypeIDModalHelper.js.pagespeed.jm.pITxoeS9EH.js

137 ms

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form-phone-validation-directive.js+form-validate.js.pagespeed.jc.L5ucRnYkFa.js

135 ms

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form-validation-service.js+form-observer.js.pagespeed.jc.UWYDvKYEeQ.js

136 ms

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dateFormats.js+unixTimeStampFormat.js.pagespeed.jc.W_QFBqJ4Po.js

138 ms

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139 ms

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140 ms

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142 ms

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117 ms

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119 ms

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119 ms

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MyEnglishConstants.js.pagespeed.jm.RzOQzxciBx.js

118 ms

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MyEnglishService.js.pagespeed.jm.SdDtz-ioQP.js

120 ms

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ecVideoThumbnail.js.pagespeed.jm.Bkzl4MlS56.js

ecVideoThumbnail.js.pagespeed.jm.Bkzl4MlS56.js

43 ms

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LoaderService.js.pagespeed.jm.3z6co-svSe.js

44 ms

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skype.js.pagespeed.jm.ykAvLE73yb.js

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TutorService.js.pagespeed.jm.PqHUpqmPFe.js

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44 ms

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45 ms

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ecPhoneWidget.js.pagespeed.jm.ywxQMRoT1B.js

46 ms

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45 ms

CourseModel.js+CourseListService.js.pagespeed.jc.hk2-lbOz7V.js

CourseModel.js+CourseListService.js.pagespeed.jc.hk2-lbOz7V.js

46 ms

ProgressService.js.pagespeed.jm.A1qWbp-FGe.js

ProgressService.js.pagespeed.jm.A1qWbp-FGe.js

46 ms

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AssignmentService.js.pagespeed.jm.SWeaEc5jZf.js

46 ms

getViewPort.js.pagespeed.jm.JC61w89g_v.js

getViewPort.js.pagespeed.jm.JC61w89g_v.js

46 ms

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GoalService.js.pagespeed.jm.okF_dpd4XM.js

47 ms

BrowseController.js.pagespeed.jm.MWw28BHV9j.js

BrowseController.js.pagespeed.jm.MWw28BHV9j.js

47 ms

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BrowseConstants.js.pagespeed.jm.FC9UQ1zvY8.js

48 ms

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ecBrowse.js.pagespeed.jm.O3nI8yqviu.js

47 ms

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VideoModalService.js.pagespeed.jm.qm1--LMnYo.js

48 ms

IntroVideoModalController.js.pagespeed.jm.AZ_rcoyb4n.js

IntroVideoModalController.js.pagespeed.jm.AZ_rcoyb4n.js

48 ms

PlanModalController.js.pagespeed.jm.UafLDKMHNB.js

PlanModalController.js.pagespeed.jm.UafLDKMHNB.js

49 ms

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PlanModalService.js.pagespeed.jm.sYxWHhmEf8.js

48 ms

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coupon-service.js.pagespeed.jm.k9rHJvL6QL.js

47 ms

PlanController.js.pagespeed.jm.GJNm1r185c.js

PlanController.js.pagespeed.jm.GJNm1r185c.js

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48 ms

ecPartnerCarousel.js.pagespeed.jm.TulE9ANSHB.js

ecPartnerCarousel.js.pagespeed.jm.TulE9ANSHB.js

48 ms

ecTestimonial.js.pagespeed.jm.ihJgW7H7OI.js

ecTestimonial.js.pagespeed.jm.ihJgW7H7OI.js

47 ms

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TestimonialSectionController.js.pagespeed.jm.ZEea2CwUGm.js

46 ms

ecScrollOnload.js.pagespeed.jm.N7_n-Eoump.js

ecScrollOnload.js.pagespeed.jm.N7_n-Eoump.js

45 ms

RegistrationService.js.pagespeed.jm.yVqgc4pQhd.js

RegistrationService.js.pagespeed.jm.yVqgc4pQhd.js

44 ms

RegistrationController.js.pagespeed.jm.FCICPXkepi.js

RegistrationController.js.pagespeed.jm.FCICPXkepi.js

44 ms

facebookPagePlugin.js+facebookLikeButton.js.pagespeed.jc.dt8xjiuFN3.js

facebookPagePlugin.js+facebookLikeButton.js.pagespeed.jc.dt8xjiuFN3.js

44 ms

swfobject.min.js.pagespeed.jm.1RrDOSyVY3.js

swfobject.min.js.pagespeed.jm.1RrDOSyVY3.js

44 ms

FlashService.js.pagespeed.jm.S1VpOVPbGd.js

FlashService.js.pagespeed.jm.S1VpOVPbGd.js

43 ms

ActivityService.js.pagespeed.jm.NyOv0Ts_7o.js

ActivityService.js.pagespeed.jm.NyOv0Ts_7o.js

42 ms

trackOnLoad.js.pagespeed.jm.Tgbxc_JXkI.js

trackOnLoad.js.pagespeed.jm.Tgbxc_JXkI.js

42 ms

jquery.jplayer.min.js.pagespeed.jm.HaH9JFkPAF.js

jquery.jplayer.min.js.pagespeed.jm.HaH9JFkPAF.js

42 ms

jquery.velocity.min.js.pagespeed.jm.lzyzdmBsJO.js

jquery.velocity.min.js.pagespeed.jm.lzyzdmBsJO.js

45 ms

channel.js+animation-service.js.pagespeed.jc.HUOflr3Ixo.js

channel.js+animation-service.js.pagespeed.jc.HUOflr3Ixo.js

49 ms

capitalize-filter.js.pagespeed.jm.Nh4AJaGPeo.js

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47 ms

word-channel-service.js+word-events-service.js.pagespeed.jc.vZ-fMCqnau.js

word-channel-service.js+word-events-service.js.pagespeed.jc.vZ-fMCqnau.js

46 ms

audio-directive.js.pagespeed.jm.1e5qSa5qOY.js

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46 ms

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difficulty-directive.js.pagespeed.jm.IdXrwQ5-_l.js

46 ms

pronunciation-directive.js.pagespeed.jm.s3PPHyJYzC.js

pronunciation-directive.js.pagespeed.jm.s3PPHyJYzC.js

45 ms

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definition-directive.js.pagespeed.jm.y1r6LFhTRl.js

44 ms

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42 ms

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42 ms

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ModalPlayerController.js.pagespeed.jm.EoxQhgQGkQ.js

42 ms

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41 ms

ecGuarantee.js.pagespeed.jm.UPRohFdWaG.js

ecGuarantee.js.pagespeed.jm.UPRohFdWaG.js

40 ms

ecHowitworksVideo.js.pagespeed.jm.06zPUsSXzO.js

ecHowitworksVideo.js.pagespeed.jm.06zPUsSXzO.js

39 ms

ecHowitworks.js.pagespeed.jm.hPVA4LgODO.js

ecHowitworks.js.pagespeed.jm.hPVA4LgODO.js

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576 ms

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Accessibility Review

englishcentralchina.com accessibility score

72

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

High

Heading elements are not in a sequentially-descending order

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

englishcentralchina.com best practices score

85

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

High

Uses deprecated APIs

High

Missing source maps for large first-party JavaScript

SEO Factors

englishcentralchina.com SEO score

92

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

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

    N/A

  • Encoding

    UTF-8

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

englishcentralchina.com

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