7.4 sec in total
401 ms
5.4 sec
1.6 sec
Click here to check amazing Lac content for Japan. Otherwise, check out these important facts you probably never knew about lac.co.jp
株式会社ラックは、先進のセキュリティ対策技術を核としたITトータルソリューションで、お客様のビジネス発展に貢献し、安心・安全な情報化社会の実現を目指します。セキュリティ対策についてお考えなら、株式会社ラックへ。
Visit lac.co.jpWe analyzed Lac.co.jp page load time and found that the first response time was 401 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
lac.co.jp performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value16.0 s
0/100
25%
Value14.4 s
1/100
10%
Value3,050 ms
2/100
30%
Value0.094
91/100
15%
Value20.8 s
2/100
10%
401 ms
684 ms
713 ms
173 ms
346 ms
Our browser made a total of 107 requests to load all elements on the main page. We found that 71% of them (76 requests) were addressed to the original Lac.co.jp, 5% (5 requests) were made to Googletagmanager.com and 3% (3 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Lac.co.jp.
Page size can be reduced by 163.3 kB (8%)
2.0 MB
1.8 MB
In fact, the total size of Lac.co.jp main page is 2.0 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 1.7 MB which makes up the majority of the site volume.
Potential reduce by 70.3 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 10.2 kB, which is 12% 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 70.3 kB or 81% of the original size.
Potential reduce by 78.5 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. Lac images are well optimized though.
Potential reduce by 5.4 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. This website has mostly compressed JavaScripts.
Potential reduce by 9.0 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. Lac.co.jp needs all CSS files to be minified and compressed as it can save up to 9.0 kB or 22% of the original size.
Number of requests can be reduced by 51 (50%)
103
52
The browser has sent 103 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
lac.co.jp
401 ms
lac.co.jp
684 ms
www.lac.co.jp
713 ms
core.css
173 ms
layout.css
346 ms
module.css
505 ms
utility.css
516 ms
slick.css
510 ms
pogo-slider.css
514 ms
top.css
510 ms
jquery.js
746 ms
jquery.ba-throttle-debounce.min.js
762 ms
jquery.easing.1.3.js
763 ms
js_cookie.js
763 ms
common.js
764 ms
purify.min.js
762 ms
mustache.min.js
1036 ms
gdpr_consensus.js
1027 ms
ir_news.js
1034 ms
announcement_14.js
1310 ms
search.js
52 ms
slick.min.js
1034 ms
jquery.pogo-slider.min.js
1037 ms
top.js
1026 ms
css
33 ms
gtm.js
284 ms
unitoolbar.js
1324 ms
logo01.png
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logo_lw02.svg
841 ms
ico_external01.svg
770 ms
ico_global01.svg
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ico_arrow01.svg
768 ms
txt_mail119.png
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logo03.svg
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top_main_08_pc.jpg
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top_main_10_pc.png
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top_main_01_pc.jpg
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1958 ms
ico_arrow04.svg
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bg_service_pc.jpg
1974 ms
ico_purpose01.svg
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font
111 ms
banner_01.jpg
1561 ms
banner_02.png
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banner_03.png
1598 ms
ico_service_consulting_blue01.png
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ico_service_solution_product_blue01.png
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js
154 ms
destination
151 ms
ytag.js
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destination
149 ms
js
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AdMatrixAnalyze.min.js
1091 ms
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ico_service_education_blue01.png
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banner_lacvirtualexpo_pc.png
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banner_lacvirtualexpo_sp.png
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banner_diaforce.png
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pic_partner01.jpg
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ico_rss01.svg
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pic_category01.jpg
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sdk.js
204 ms
widgets.js
197 ms
whatwg-fetch.bundle.js
160 ms
clarity.js
173 ms
fbevents.js
99 ms
uwt.js
96 ms
pic_category04.jpg
1333 ms
pic_category03.jpg
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search.css
10 ms
sdk.js
64 ms
adsct
184 ms
adsct
196 ms
adsct
120 ms
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55 ms
pic_category02.jpg
1188 ms
pic_category06.jpg
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bg_cyber01.jpg
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unitoolbar.class.js
675 ms
ico_mail03.svg
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ico_sns01.svg
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ico_sns02.svg
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ico_arrow02.svg
1177 ms
ico_close02.png
1177 ms
ico_search01.svg
1195 ms
beacon.gif
164 ms
pd.js
62 ms
analytics
191 ms
c.gif
8 ms
lac.co.jp accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
lac.co.jp 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
lac.co.jp 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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lac.co.jp 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 Lac.co.jp 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.
lac.co.jp
Open Graph data is detected on the main page of Lac. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: