20.6 sec in total
7.7 sec
12.6 sec
302 ms
Click here to check amazing Zf Web content for Japan. Otherwise, check out these important facts you probably never knew about zf-web.com
Visit zf-web.comWe analyzed Zf-web.com page load time and found that the first response time was 7.7 sec and then it took 12.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
zf-web.com performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value10.7 s
0/100
25%
Value12.8 s
3/100
10%
Value1,860 ms
9/100
30%
Value0.421
23/100
15%
Value21.1 s
2/100
10%
7701 ms
795 ms
1133 ms
591 ms
965 ms
Our browser made a total of 120 requests to load all elements on the main page. We found that 83% of them (99 requests) were addressed to the original Zf-web.com, 3% (4 requests) were made to Spdeliver.i-mobile.co.jp and 2% (2 requests) were made to Img.ak.impact-ad.jp. The less responsive or slowest element that took the longest time to load (7.7 sec) belongs to the original domain Zf-web.com.
Page size can be reduced by 204.0 kB (13%)
1.6 MB
1.4 MB
In fact, the total size of Zf-web.com main page is 1.6 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. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 46.3 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 22.2 kB, which is 40% 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 46.3 kB or 84% of the original size.
Potential reduce by 30.2 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. Zf Web images are well optimized though.
Potential reduce by 100.1 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 100.1 kB or 60% of the original size.
Potential reduce by 27.3 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. Zf-web.com needs all CSS files to be minified and compressed as it can save up to 27.3 kB or 86% of the original size.
Number of requests can be reduced by 34 (30%)
115
81
The browser has sent 115 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zf Web. 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 from 4 to 1 for CSS and as a result speed up the page load time.
zf-web.com
7701 ms
__utm.js
795 ms
zf_top.css
1133 ms
nicetitle.css
591 ms
nicetitle.js
965 ms
fontsize.js
590 ms
popup.js
611 ms
button.css
433 ms
jquery-1.7.min.js
1728 ms
jquery.cookie.js
784 ms
slides.min.jquery.js
1019 ms
__utm.gif
372 ms
bg_02.gif
829 ms
playerlink.js
444 ms
bta_dist.js
7 ms
btn_pc.gif
498 ms
b_5radiko.jpg
738 ms
top_link.gif
375 ms
jump_tv.gif
397 ms
jump_radio.gif
431 ms
h_logo.gif
717 ms
jump_ana.gif
611 ms
blog_kato.gif
637 ms
blog_bito.gif
716 ms
blog_yasui.jpg
1128 ms
blog_nishio.jpg
1159 ms
blog_azuma.gif
1014 ms
imp
213 ms
ads.js
198 ms
adcore.js
11 ms
adcore_pc.js
20 ms
adcore_pc_inline.js
11 ms
ad_spot.aspx
507 ms
aone_dd_general.js
3 ms
dd
304 ms
icn_tv.gif
381 ms
icn_radio.gif
377 ms
icn_sns.gif
423 ms
widgets.js
10 ms
icn_ana.gif
774 ms
cs
199 ms
pixel
19 ms
297 ms
658 ms
pixel
21 ms
297 ms
blog_nakatsuji.gif
354 ms
its_new.gif
344 ms
blog_sasaki.jpg
593 ms
icn_per.gif
476 ms
jump_per.gif
496 ms
style.css
166 ms
ad_creative.ashx
29 ms
147 ms
bg_dot.gif
387 ms
red.gif
431 ms
size_bg.gif
515 ms
small.gif
511 ms
medium.gif
578 ms
large.gif
700 ms
top_01.gif
805 ms
top_02.gif
805 ms
top_03.gif
886 ms
top_05.gif
888 ms
top_04.gif
973 ms
b_station_blue.jpg
1374 ms
b_raifuku.jpg
1218 ms
b_sketv_small.jpg
1612 ms
b_garakuta2015.jpg
1528 ms
b_gifukouhou1.gif
1259 ms
b_kiriotv.jpg
1495 ms
b_kitemite.jpg
1824 ms
b_mamagohan2.jpg
2246 ms
b_mig2013.jpg
2086 ms
b_lococh.jpg
2301 ms
b_baseballhs.gif
2086 ms
b_sochs.gif
2127 ms
b_rugbyhs.gif
2339 ms
fla_youhananishini0229.jpg
987 ms
fla_nazesoko.jpg
1041 ms
fla_zipangu.jpg
996 ms
fla_takajin0301.jpg
1221 ms
fla_kantei.jpg
1022 ms
fla_gaia.jpg
1170 ms
fla_shujii0302.jpg
1792 ms
fla_mystery9_0302.jpg
2026 ms
fla_marco.jpg
2401 ms
fla_kiriotv.jpg
2092 ms
fla_takarazuka.jpg
2304 ms
fla_dosp0305.jpg
2602 ms
fla_kyojin0306.jpg
2743 ms
fla_j2_0306.jpg
3146 ms
fla_kodokunogurume5.jpg
3283 ms
icn_new.gif
2371 ms
icn_info.gif
2372 ms
icn_blog.gif
2405 ms
icn_blog.gif
2502 ms
icn_eventinfo.gif
2477 ms
icn_music.gif
2521 ms
icn_ranking02.gif
2617 ms
rank_wgc.gif
2643 ms
rank_enka.gif
2620 ms
b_matsuri1603.jpg
3437 ms
b_jyanken1512.jpg
3700 ms
bnr_j2_2016.jpg
3631 ms
b_ihou.jpg
3171 ms
b_gifuweb.gif
3166 ms
fla_youhananishini0229.jpg
3120 ms
loading.gif
2667 ms
b_culture.jpg
3302 ms
b_housing.jpg
3594 ms
b_mybestpro.jpg
3614 ms
b_myple.jpg
3812 ms
b_gifuportal1010.gif
3539 ms
b_mobile.gif
3767 ms
bf_la-station.jpg
3995 ms
bf_kids.jpg
3966 ms
bf_shinshouhin.jpg
3876 ms
bf_whatdetahousou.jpg
3858 ms
RestoreXidToMediaStorage.html
210 ms
zf-web.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
<frame> or <iframe> elements do not have a title
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
zf-web.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
Issues were logged in the Issues panel in Chrome Devtools
zf-web.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
JA
JA
EUC-JP
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zf-web.com can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Zf-web.com main page’s claimed encoding is euc-jp. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
zf-web.com
Open Graph description is not detected on the main page of Zf Web. 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: