Tools & Wizards About Us
adzero.kr screenshot

Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

adzero.kr

ADZERO

Page Load Speed

8.8 sec in total

First Response

2.3 sec

Resources Loaded

6.3 sec

Page Rendered

163 ms

adzero.kr screenshot

About Website

Click here to check amazing ADZERO content. Otherwise, check out these important facts you probably never knew about adzero.kr

ADZERO

Visit adzero.kr

Key Findings

We analyzed Adzero.kr page load time and found that the first response time was 2.3 sec and then it took 6.4 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

adzero.kr performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.1 s

51/100

10%

Network Requests Diagram

adzero.kr

2337 ms

style.css

1375 ms

shareEntryWithSNS.css

630 ms

shareEntryWithSNS.js

675 ms

style.css

684 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Adzero.kr, 54% (34 requests) were made to S1.daumcdn.net and 11% (7 requests) were made to I1.daumcdn.net. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Cfile21.uf.tistory.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 762.5 kB (58%)

Content Size

1.3 MB

After Optimization

553.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Adzero.kr main page is 1.3 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. 35% of websites need less resources to load. CSS take 558.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 59.7 kB

  • Original 74.2 kB
  • After minification 67.5 kB
  • After compression 14.4 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 59.7 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 2.4 kB

  • Original 409.6 kB
  • After minification 407.1 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. ADZERO images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 192.0 kB

  • Original 274.4 kB
  • After minification 253.3 kB
  • After compression 82.4 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 192.0 kB or 70% of the original size.

CSS Optimization

-91%

Potential reduce by 508.3 kB

  • Original 558.1 kB
  • After minification 530.6 kB
  • After compression 49.8 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. Adzero.kr needs all CSS files to be minified and compressed as it can save up to 508.3 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (71%)

Requests Now

62

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ADZERO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

adzero.kr

adzero.kr

2337 ms

style.css

style.css

1375 ms

shareEntryWithSNS.css

shareEntryWithSNS.css

630 ms

shareEntryWithSNS.js

shareEntryWithSNS.js

675 ms

style.css

style.css

684 ms

profile.js

profile.js

910 ms

jigu-latest.min.js

jigu-latest.min.js

1152 ms

T.js

T.js

994 ms

EAF2.js

EAF2.js

1115 ms

common.js

common.js

1403 ms

gallery.js

gallery.js

1137 ms

flash.js

flash.js

1191 ms

PHON.js

PHON.js

1337 ms

sha256.js

sha256.js

1364 ms

md5.min.js

md5.min.js

1391 ms

swfobject.js

swfobject.js

1392 ms

dialog.css

dialog.css

1559 ms

reset.css

reset.css

1589 ms

tabloid.css

tabloid.css

1945 ms

items.css

items.css

1610 ms

util.css

util.css

1585 ms

tistory-grid-min.css

tistory-grid-min.css

1845 ms

items.js

items.js

1779 ms

menubar.css

menubar.css

1783 ms

693 ms

searchDragSelection.js

searchDragSelection.js

1379 ms

td.min.js

td.min.js

532 ms

roosevelt_dk_bt.js

roosevelt_dk_bt.js

11 ms

analytics.js

analytics.js

17 ms

collect

collect

12 ms

check.php

check.php

291 ms

tab_top.gif

tab_top.gif

15 ms

2275204756EB9599356C7C

2275204756EB9599356C7C

1849 ms

2455A84F569EDD9D279AD9

2455A84F569EDD9D279AD9

1491 ms

24219E4956B4A6A22F68AE

24219E4956B4A6A22F68AE

1291 ms

2150334856056094072D58

2150334856056094072D58

1335 ms

2476F849557A7EBC31B790

2476F849557A7EBC31B790

1733 ms

212A2143551B8F2C1424E5

212A2143551B8F2C1424E5

1816 ms

2659D63D56C16C152DC5DD

2659D63D56C16C152DC5DD

2410 ms

2122584E53134C111DC10E

2122584E53134C111DC10E

1722 ms

25104C4E52CF85661267C0

25104C4E52CF85661267C0

2101 ms

234A8A43529570821AAE54

234A8A43529570821AAE54

2254 ms

2155AA5055D6E3EE14292B

2155AA5055D6E3EE14292B

1397 ms

2616CA3E55E01A481B9DEC

2616CA3E55E01A481B9DEC

1666 ms

2759F83E52687A002C4124

2759F83E52687A002C4124

2322 ms

2453E64E5659D74305923E

2453E64E5659D74305923E

1515 ms

menu_blog.gif

menu_blog.gif

200 ms

menu_location.gif

menu_location.gif

247 ms

menu_tag.gif

menu_tag.gif

244 ms

menu_media.gif

menu_media.gif

222 ms

menu_keylog.gif

menu_keylog.gif

235 ms

menu_guest.gif

menu_guest.gif

243 ms

smenu_notice.gif

smenu_notice.gif

404 ms

smenu_category.gif

smenu_category.gif

430 ms

smenu_tags.gif

smenu_tags.gif

466 ms

smenu_archive.gif

smenu_archive.gif

482 ms

tab_isleaf.gif

tab_isleaf.gif

6 ms

tab_closed.gif

tab_closed.gif

8 ms

navi_back_active.gif

navi_back_active.gif

7 ms

tab_treed.gif

tab_treed.gif

8 ms

tab_treed_end.gif

tab_treed_end.gif

7 ms

tab_opened.gif

tab_opened.gif

46 ms

footsteps

footsteps

1149 ms

Accessibility Review

adzero.kr accessibility score

65

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

adzero.kr best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

adzero.kr SEO score

71

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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

    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 Adzero.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 Adzero.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

adzero.kr

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