Tools & Wizards About Us
uphone.co.kr screenshot

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

uphone.co.kr

전화영어, 화상영어 1위 업계 유일! 100% 만족 보장 제도

Page Load Speed

16.7 sec in total

First Response

549 ms

Resources Loaded

14 sec

Page Rendered

2.1 sec

uphone.co.kr screenshot

About Website

Welcome to uphone.co.kr homepage info - get ready to check Uphone best content for South Korea right away, or after learning these important things about uphone.co.kr

영어회화 결국은 실전이니까, 유폰 AI 학습으로 채우고 TESOL 취득 외국인강사와 1:1실전으로 완성

Visit uphone.co.kr

Key Findings

We analyzed Uphone.co.kr page load time and found that the first response time was 549 ms and then it took 16.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

uphone.co.kr performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value17.9 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value5,560 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value26.6 s

0/100

10%

Network Requests Diagram

uphone.co.kr

549 ms

uphone.co.kr

1047 ms

e16574b9d36efe48.css

755 ms

19998a44b8c55fa7.css

525 ms

d5fad088f12a94c7.css

531 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 33% of them (32 requests) were addressed to the original Uphone.co.kr, 67% (64 requests) were made to Img.uphone3.com. The less responsive or slowest element that took the longest time to load (7.5 sec) relates to the external source Img.uphone3.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (17%)

Content Size

12.8 MB

After Optimization

10.7 MB

  • HTML
  • Images

In fact, the total size of Uphone.co.kr main page is 12.8 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. 60% of websites need less resources to load. Images take 12.7 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 72.0 kB

  • Original 86.3 kB
  • After minification 86.1 kB
  • After compression 14.3 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 72.0 kB or 83% of the original size.

Image Optimization

-16%

Potential reduce by 2.1 MB

  • Original 12.7 MB
  • After minification 10.7 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. Obviously, Uphone needs image optimization as it can save up to 2.1 MB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

Number of requests can be reduced by 28 (30%)

Requests Now

94

After Optimization

66

  • Images
  • JavaScript
  • CSS

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Uphone. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

uphone.co.kr

uphone.co.kr

549 ms

uphone.co.kr

uphone.co.kr

1047 ms

e16574b9d36efe48.css

e16574b9d36efe48.css

755 ms

19998a44b8c55fa7.css

19998a44b8c55fa7.css

525 ms

d5fad088f12a94c7.css

d5fad088f12a94c7.css

531 ms

edeb8d8fcb684a9a.css

edeb8d8fcb684a9a.css

569 ms

ff66d32998884e75.css

ff66d32998884e75.css

780 ms

ae24439e-24f0d99b34743c7a.js

ae24439e-24f0d99b34743c7a.js

972 ms

239-21397d2e968d3780.js

239-21397d2e968d3780.js

879 ms

main-app-ffb2974419ad60dd.js

main-app-ffb2974419ad60dd.js

709 ms

1739-25ee4f0b54ceedcf.js

1739-25ee4f0b54ceedcf.js

777 ms

layout-c865be6756cc85cf.js

layout-c865be6756cc85cf.js

887 ms

39811124-9c2fa5126adf7999.js

39811124-9c2fa5126adf7999.js

952 ms

8901-06cbe8b893165621.js

8901-06cbe8b893165621.js

946 ms

666-e1b4e262048ede13.js

666-e1b4e262048ede13.js

977 ms

9736-7533c645f8ae5a55.js

9736-7533c645f8ae5a55.js

1053 ms

8902-6783b258ecb78170.js

8902-6783b258ecb78170.js

1064 ms

7711-630a299a4bb7d691.js

7711-630a299a4bb7d691.js

1137 ms

936-93f8edfdcbe5f623.js

936-93f8edfdcbe5f623.js

1137 ms

5330-9d0449f41c0baf3d.js

5330-9d0449f41c0baf3d.js

1169 ms

2058-1eb7563a5cd6163e.js

2058-1eb7563a5cd6163e.js

1171 ms

6328-04bc3c365b7134ea.js

6328-04bc3c365b7134ea.js

1228 ms

9695-2ea57636d8e32a4c.js

9695-2ea57636d8e32a4c.js

1242 ms

3096-ef06a7d61ee42d03.js

3096-ef06a7d61ee42d03.js

1321 ms

3750-bb3715d7033752c1.js

3750-bb3715d7033752c1.js

1328 ms

layout-9c1d67f7781c0287.js

layout-9c1d67f7781c0287.js

1362 ms

3855-5e7f911e5d928a55.js

3855-5e7f911e5d928a55.js

1368 ms

3844-45a0307535ccd922.js

3844-45a0307535ccd922.js

1403 ms

2232-a80520393398b340.js

2232-a80520393398b340.js

1418 ms

page-d2571c5e9de83964.js

page-d2571c5e9de83964.js

1508 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

1702 ms

webpack-0ba52fff93089320.js

webpack-0ba52fff93089320.js

1554 ms

vis_symbol@2x_min.png

vis_symbol@2x_min.png

967 ms

vis_symbol@2x.png

vis_symbol@2x.png

930 ms

visual_card0@2x.jpg

visual_card0@2x.jpg

1486 ms

visual_card1@2x.jpg

visual_card1@2x.jpg

1775 ms

visual_card2@2x.jpg

visual_card2@2x.jpg

185 ms

visual_card3@2x.jpg

visual_card3@2x.jpg

188 ms

intro_voicecall_bg@2x_min.jpg

intro_voicecall_bg@2x_min.jpg

1439 ms

intro_voicecall_bg@2x.jpg

intro_voicecall_bg@2x.jpg

202 ms

ico_voicecall@2x.png

ico_voicecall@2x.png

952 ms

arrow.svg

arrow.svg

1750 ms

intro_facecall_bg@2x_min.jpg

intro_facecall_bg@2x_min.jpg

964 ms

intro_facecall_bg@2x.jpg

intro_facecall_bg@2x.jpg

971 ms

ico_facecall@2x.png

ico_facecall@2x.png

1708 ms

arrow_purple.svg

arrow_purple.svg

1711 ms

slogan_bg.jpg

slogan_bg.jpg

2557 ms

slogan_v2@2x.jpg

slogan_v2@2x.jpg

2853 ms

slogan_title_v2@2x.png

slogan_title_v2@2x.png

3091 ms

teacher_mini_title@2x.png

teacher_mini_title@2x.png

2642 ms

teacher_mini_title@2x.png

teacher_mini_title@2x.png

2537 ms

ai_mini_title@2x.png

ai_mini_title@2x.png

2699 ms

ai_mini_title@2x.png

ai_mini_title@2x.png

3519 ms

ai_vis1@2x_min.png

ai_vis1@2x_min.png

2564 ms

ai_vis1@2x.png

ai_vis1@2x.png

4340 ms

ai_vis2_screen@2x_min.png

ai_vis2_screen@2x_min.png

3793 ms

ai_vis2_screen@2x.png

ai_vis2_screen@2x.png

4117 ms

ico_best@2x.png

ico_best@2x.png

3644 ms

course_mini_title@2x.png

course_mini_title@2x.png

4049 ms

course_mini_title@2x.png

course_mini_title@2x.png

4490 ms

course_group2@2x.png

course_group2@2x.png

5382 ms

course_group1@2x.png

course_group1@2x.png

5477 ms

slide_play.svg

slide_play.svg

4822 ms

course_group@2x.png

course_group@2x.png

6006 ms

review_ico_arr@2x.png

review_ico_arr@2x.png

5149 ms

course_desc@2x.png

course_desc@2x.png

5698 ms

course_desc@2x.png

course_desc@2x.png

5961 ms

makeup_class_mini_title@2x.png

makeup_class_mini_title@2x.png

6084 ms

makeup_class_mini_title@2x.png

makeup_class_mini_title@2x.png

6005 ms

makeup_class_run@2x_min.png

makeup_class_run@2x_min.png

5298 ms

makeup_class_run@2x.jpg

makeup_class_run@2x.jpg

6634 ms

makeup_class_ico_click@2x.png

makeup_class_ico_click@2x.png

5508 ms

app_bg.jpg

app_bg.jpg

6571 ms

app_mini_title@2x.png

app_mini_title@2x.png

6042 ms

app_mini_title@2x.png

app_mini_title@2x.png

5915 ms

app_screen_01@2x_min.png

app_screen_01@2x_min.png

6424 ms

app_screen_01@2x.png

app_screen_01@2x.png

6486 ms

app_notice@2x_min.png

app_notice@2x_min.png

6122 ms

app_notice@2x.png

app_notice@2x.png

6247 ms

app_screen_02@2x_min.png

app_screen_02@2x_min.png

6432 ms

app_screen_02@2x.png

app_screen_02@2x.png

7221 ms

app_report@2x_min.png

app_report@2x_min.png

6554 ms

app_report@2x.png

app_report@2x.png

6267 ms

learning_bg_set.jpg

learning_bg_set.jpg

6927 ms

learning_method1@2x.png

learning_method1@2x.png

6728 ms

learning_method2@2x.png

learning_method2@2x.png

6783 ms

learning_method3@2x.png

learning_method3@2x.png

7206 ms

learning_method4@2x.png

learning_method4@2x.png

7232 ms

freelesson_bg.png

freelesson_bg.png

7480 ms

freelesson_ico_click@2x.png

freelesson_ico_click@2x.png

6550 ms

freelesson_ico_level@2x.png

freelesson_ico_level@2x.png

6544 ms

freelesson_ico_table@2x.png

freelesson_ico_table@2x.png

6445 ms

freelesson_ico_plus@2x.png

freelesson_ico_plus@2x.png

6629 ms

btn_android@2x.jpg

btn_android@2x.jpg

5957 ms

btn_ios@2x.jpg

btn_ios@2x.jpg

6518 ms

download_apppreview3@2x.png

download_apppreview3@2x.png

5602 ms

Accessibility Review

uphone.co.kr accessibility score

80

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

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

uphone.co.kr 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

uphone.co.kr 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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    KO

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Uphone.co.kr can be misinterpreted by Google and other search engines. Our service has detected that Korean 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 Uphone.co.kr 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

uphone.co.kr

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