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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%

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.

Content Size

12.8 MB

After Optimization

10.7 MB

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 Now

After Optimization

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.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

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

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: