Tools & Wizards About Us
zroad.tv screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

zroad.tv

지로드코리아 :: IT와 교육으로 선교하는 기업

Page Load Speed

6.5 sec in total

First Response

596 ms

Resources Loaded

5.2 sec

Page Rendered

721 ms

zroad.tv screenshot

About Website

Welcome to zroad.tv homepage info - get ready to check Zroad best content for United States right away, or after learning these important things about zroad.tv

IT와 교육으로 선교하는 기업

Visit zroad.tv

Key Findings

We analyzed Zroad.tv page load time and found that the first response time was 596 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

zroad.tv performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value21.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value27.1 s

0/100

25%

SI (Speed Index)

Value21.0 s

0/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value23.3 s

1/100

10%

Network Requests Diagram

zroad.tv

596 ms

common.css

183 ms

nanumgothic.css

22 ms

font-awesome.min.css

19 ms

cms.css

385 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 93% of them (92 requests) were addressed to the original Zroad.tv, 4% (4 requests) were made to Fonts.googleapis.com and 2% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Zroad.tv.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (30%)

Content Size

7.1 MB

After Optimization

5.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zroad.tv main page is 7.1 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. Images take 4.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 18.9 kB

  • Original 24.2 kB
  • After minification 20.0 kB
  • After compression 5.3 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. This page needs HTML code to be minified as it can gain 4.2 kB, which is 17% 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 18.9 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 11.0 kB

  • Original 4.4 MB
  • After minification 4.4 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. Zroad images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 1.9 MB

  • Original 2.5 MB
  • After minification 1.9 MB
  • After compression 563.2 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 1.9 MB or 77% of the original size.

CSS Optimization

-81%

Potential reduce by 176.5 kB

  • Original 219.2 kB
  • After minification 193.3 kB
  • After compression 42.7 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. Zroad.tv needs all CSS files to be minified and compressed as it can save up to 176.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (53%)

Requests Now

74

After Optimization

35

  • Images
  • JavaScript
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zroad. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zroad.tv

zroad.tv

596 ms

common.css

common.css

183 ms

nanumgothic.css

nanumgothic.css

22 ms

font-awesome.min.css

font-awesome.min.css

19 ms

cms.css

cms.css

385 ms

jquery.min.js

jquery.min.js

7 ms

jquery-ui.min.js

jquery-ui.min.js

12 ms

bootstrap-datepicker.js

bootstrap-datepicker.js

705 ms

common.js

common.js

534 ms

jquery.validate.min.js

jquery.validate.min.js

533 ms

jquery.validate.extension.js

jquery.validate.extension.js

371 ms

sideview.js

sideview.js

382 ms

js.cookie.js

js.cookie.js

553 ms

applogin.js

applogin.js

573 ms

video-js.css

video-js.css

898 ms

video.js

video.js

1593 ms

videojs-flash.js

videojs-flash.js

721 ms

videojs-contrib-hls.js

videojs-contrib-hls.js

1784 ms

videojs-flashls-source-handler.js

videojs-flashls-source-handler.js

952 ms

videojs-cts.js

videojs-cts.js

885 ms

app.css

app.css

905 ms

bluebird.min.js

bluebird.min.js

1234 ms

video.min.js

video.min.js

1751 ms

slick.min.js

slick.min.js

1088 ms

blocksit.min.js

blocksit.min.js

1149 ms

ScrollTrigger.min.js

ScrollTrigger.min.js

1274 ms

aos.js

aos.js

1343 ms

common.js

common.js

1414 ms

css

css

31 ms

css

css

48 ms

css

css

55 ms

NotoSansKR-Regular.woff

NotoSansKR-Regular.woff

1039 ms

NotoSansKR-Medium.woff

NotoSansKR-Medium.woff

1119 ms

NotoSansKR-Light.woff

NotoSansKR-Light.woff

1190 ms

NotoSansKR-Thin.woff

NotoSansKR-Thin.woff

1220 ms

NotoSansKR-Bold.woff

NotoSansKR-Bold.woff

1312 ms

NotoSansKR-Black.woff

NotoSansKR-Black.woff

1356 ms

base.css

base.css

186 ms

font.css

font.css

179 ms

video-js.css

video-js.css

202 ms

slick.css

slick.css

180 ms

aos.css

aos.css

188 ms

org-chart.css

org-chart.css

185 ms

component.css

component.css

356 ms

component_resp.css

component_resp.css

359 ms

input.css

input.css

364 ms

size.css

size.css

369 ms

animation.css

animation.css

371 ms

top_logo.png

top_logo.png

191 ms

visual_main1.png

visual_main1.png

198 ms

ico_mv_counsel.png

ico_mv_counsel.png

195 ms

bg_main_sec1_002.png

bg_main_sec1_002.png

361 ms

ico_arrow_down_01.png

ico_arrow_down_01.png

190 ms

bg_main_sec2_left.png

bg_main_sec2_left.png

240 ms

bg_main_sec2_right.png

bg_main_sec2_right.png

374 ms

img_sec2_001.png

img_sec2_001.png

374 ms

img_sec2_002.png

img_sec2_002.png

391 ms

img_sec2_003.png

img_sec2_003.png

374 ms

bg_main_sec3_back.png

bg_main_sec3_back.png

420 ms

bg_main_sec3_ov.png

bg_main_sec3_ov.png

712 ms

pf_img21.png

pf_img21.png

732 ms

ico_main_arrow_right.png

ico_main_arrow_right.png

564 ms

img_sec3_c_002.png

img_sec3_c_002.png

550 ms

img_sec3_c_003.png

img_sec3_c_003.png

771 ms

img_sec3_c_004.png

img_sec3_c_004.png

618 ms

bg_sec4_c_001.png

bg_sec4_c_001.png

730 ms

ico_sec4_001.png

ico_sec4_001.png

746 ms

img_sec4_c_001.png

img_sec4_c_001.png

808 ms

img_sec4_c_002.png

img_sec4_c_002.png

891 ms

img_sec4_c_003.png

img_sec4_c_003.png

906 ms

img_sec4_c_004.png

img_sec4_c_004.png

1089 ms

img_sec5_c_001.png

img_sec5_c_001.png

1104 ms

img_sec6_c_001.png

img_sec6_c_001.png

1149 ms

img_sec6_c_002.png

img_sec6_c_002.png

989 ms

img_sec6_c_003.png

img_sec6_c_003.png

1070 ms

img_sec6_c_004.png

img_sec6_c_004.png

1084 ms

bg_main_sec7_001.png

bg_main_sec7_001.png

1352 ms

ico_sec7_001.png

ico_sec7_001.png

1330 ms

ico_sec7_002.png

ico_sec7_002.png

1266 ms

img_sec8_001.png

img_sec8_001.png

1456 ms

NotoSansKR-Light.otf

NotoSansKR-Light.otf

1142 ms

NotoSansKR-Thin.otf

NotoSansKR-Thin.otf

1194 ms

NotoSansKR-Regular.otf

NotoSansKR-Regular.otf

1294 ms

NotoSansKR-Medium.otf

NotoSansKR-Medium.otf

1323 ms

NotoSansKR-Bold.otf

NotoSansKR-Bold.otf

1320 ms

NotoSansKR-Black.otf

NotoSansKR-Black.otf

1345 ms

NotoSans-Medium.woff

NotoSans-Medium.woff

1357 ms

NotoSans-Regular.woff

NotoSans-Regular.woff

1447 ms

NotoSans-DemiLight.woff

NotoSans-DemiLight.woff

1421 ms

NotoSans-Thin.woff

NotoSans-Thin.woff

1316 ms

NotoSans-Bold.woff

NotoSans-Bold.woff

1330 ms

NotoSans-Black.woff

NotoSans-Black.woff

1369 ms

sp_floating.png

sp_floating.png

1357 ms

NotoSans-Medium.ttf

NotoSans-Medium.ttf

422 ms

NotoSans-Regular.ttf

NotoSans-Regular.ttf

371 ms

NotoSans-DemiLight.ttf

NotoSans-DemiLight.ttf

225 ms

NotoSans-Thin.ttf

NotoSans-Thin.ttf

220 ms

NotoSans-Bold.ttf

NotoSans-Bold.ttf

206 ms

NotoSans-Black.ttf

NotoSans-Black.ttf

572 ms

Accessibility Review

zroad.tv accessibility score

81

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Form elements do not have associated labels

High

Links do not have a discernible name

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

zroad.tv 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

High

Missing source maps for large first-party JavaScript

SEO Factors

zroad.tv SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    KO

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zroad.tv can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Korean language. Our system also found out that Zroad.tv 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

zroad.tv

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