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51talk.com screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 0

    Best Practices

  • 62

    SEO

    Google-friendlier than
    22% of websites

51talk.com

51Talk is the world's largest online English education brand for young people

Page Load Speed

43.9 sec in total

First Response

752 ms

Resources Loaded

40.5 sec

Page Rendered

2.6 sec

51talk.com screenshot

About Website

Visit 51talk.com now to see the best up-to-date 51Talk content for Philippines and also check out these interesting facts you probably never knew about 51talk.com

The largest online English education brand. First company to be listed in NYSE from the industry

Visit 51talk.com

Key Findings

We analyzed 51talk.com page load time and found that the first response time was 752 ms and then it took 43.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

51talk.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value8.4 s

19/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

51talk.com

752 ms

www.css

2937 ms

ckplayer.min.js

3105 ms

easemob.js

2885 ms

nTalker

329 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original 51talk.com, 49% (36 requests) were made to Static.51talk.com and 16% (12 requests) were made to Kefu.easemob.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Static.51talk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 400.7 kB (26%)

Content Size

1.5 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 51talk.com main page is 1.5 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. 40% of websites need less resources to load. Images take 970.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 37.4 kB

  • Original 47.4 kB
  • After minification 35.3 kB
  • After compression 10.0 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 12.1 kB, which is 26% 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 37.4 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 16.1 kB

  • Original 970.4 kB
  • After minification 954.3 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. 51Talk images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 275.8 kB

  • Original 443.8 kB
  • After minification 441.6 kB
  • After compression 168.0 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 275.8 kB or 62% of the original size.

CSS Optimization

-81%

Potential reduce by 71.3 kB

  • Original 88.0 kB
  • After minification 87.9 kB
  • After compression 16.6 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. 51talk.com needs all CSS files to be minified and compressed as it can save up to 71.3 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (31%)

Requests Now

68

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 51Talk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

51talk.com

51talk.com

752 ms

www.css

www.css

2937 ms

ckplayer.min.js

ckplayer.min.js

3105 ms

easemob.js

easemob.js

2885 ms

nTalker

nTalker

329 ms

rsa.js

rsa.js

3576 ms

vendor.js

vendor.js

4372 ms

conversion.js

conversion.js

46 ms

a.gif

a.gif

3043 ms

icon.png

icon.png

1357 ms

top_weixin.png

top_weixin.png

924 ms

index_new.png

index_new.png

1109 ms

jb_banner.jpg

jb_banner.jpg

20159 ms

home_1.jpg

home_1.jpg

10523 ms

home_2.jpg

home_2.jpg

7399 ms

home_7.jpg

home_7.jpg

8508 ms

home_8.jpg

home_8.jpg

8092 ms

home_2.jpg

home_2.jpg

11933 ms

ielts.jpg

ielts.jpg

12955 ms

sp_login.png

sp_login.png

8475 ms

w_username.png

w_username.png

8867 ms

index_tea01.jpg

index_tea01.jpg

9386 ms

index_tea02.jpg

index_tea02.jpg

9682 ms

index_tea03.jpg

index_tea03.jpg

10345 ms

index_tea04.jpg

index_tea04.jpg

11402 ms

index_class_lt.jpg

index_class_lt.jpg

14837 ms

index_class_rt.jpg

index_class_rt.jpg

12144 ms

lina.jpg

lina.jpg

12808 ms

lxp.jpg

lxp.jpg

13568 ms

lj.jpg

lj.jpg

19659 ms

index_step_tab.png

index_step_tab.png

14518 ms

ml_adult.jpg

ml_adult.jpg

14988 ms

ml_junior.jpg

ml_junior.jpg

16752 ms

ml_close.png

ml_close.png

15002 ms

easemob.utils.js

easemob.utils.js

562 ms

ntkf.png

ntkf.png

19879 ms

im.html

im.html

512 ms

drag.png

drag.png

833 ms

im.css

im.css

615 ms

emkf.min.js

emkf.min.js

3723 ms

index_sso.js

index_sso.js

13860 ms

hm.js

hm.js

6268 ms

dc.js

dc.js

104 ms

loadtrace.php

loadtrace.php

2427 ms

173 ms

ntkfstat.js

ntkfstat.js

2156 ms

136 ms

__utm.gif

__utm.gif

22 ms

549 ms

665 ms

ntkfstat.js

ntkfstat.js

3694 ms

loadtrace_logo4.gif

loadtrace_logo4.gif

383 ms

targetChannels

targetChannels

518 ms

options

options

531 ms

options

options

433 ms

showMessage

showMessage

530 ms

visitors

visitors

1437 ms

default_avatar.png

default_avatar.png

750 ms

userinfo.php

userinfo.php

2512 ms

loading.gif

loading.gif

275 ms

hm.gif

hm.gif

342 ms

token

token

2562 ms

zh_cn.js

zh_cn.js

356 ms

chat.in.js

chat.in.js

929 ms

chaticon.png

chaticon.png

560 ms

publickey

publickey

485 ms

logo1.png

logo1.png

13228 ms

fot_deqin.png

fot_deqin.png

655 ms

fot_daily.png

fot_daily.png

475 ms

fot_netease.png

fot_netease.png

1938 ms

fot_51sina.png

fot_51sina.png

1427 ms

fot_brand.png

fot_brand.png

1038 ms

hm.gif

hm.gif

3246 ms

Accessibility Review

51talk.com accessibility score

71

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

SEO Factors

51talk.com SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

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

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 51talk.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 51talk.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

51talk.com

Open Graph description is not detected on the main page of 51Talk. 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: