SEO report of rf-system.net
アール・エフ・システム：トップ～アナログ＆デジタルのプログラム開発と回路設計 ...
www.rf-system.net/
神奈川県横浜緑区のアール・エフ・システム（RFシステム）です。アナログ&デジタルのプログラム開発と回路設計を主業務としています。 高周波回路の設計、デジタル信号処理や画像処理のプログラム開発の実績が、数多くあります。 使う立場での最良の制御・データ処理・観測システムや回路を提案いたします ...
Tasks
- Select one version of your site as main and make a redirect from other versions to that one.
- Avoid using deprecated HTML tags.
- Implement the viewport meta tag.
SEO
URL
Domain : www.rf-system.net/
Character length : 18
Title
アール・エフ・システム：トップ～アナログ＆デジタルのプログラム開発と回路設計
Description
神奈川県横浜緑区のアール・エフ・システム（RFシステム）です。アナログ&デジタルのプログラム開発と回路設計を主業務としています。
高周波回路の設計、デジタル信号処理や画像処理のプログラム開発の実績が、数多くあります。
使う立場での最良の制御・データ処理・観測システムや回路を提案いたします。
Keywords (meta keywords)
アール・エフ・システム,RFシステム,rfsystem,RFsystem,RF-SYSTEM,横浜,緑区,神奈川,高周波回路,デジタル信号処理,画像処理,
アナログ,デジタル,プログラム開発,回路設計,製品設計,デジタルサーボ,データ処理システム,超高速演算処理システム,信号処理システム
Error! Using “meta keywords” is meaningless in a while.
Error! Using “meta keywords” is meaningless in a while.
Open Graph Protocol
Error! The website does not use the OG (Open Graph) protocol.
Dublin Core
Dublin Core is not used
Underscores in the URLs
Good! No underscore (_) found in the URLs.
Search engine friendly URLs
Good! The website uses SEO friendly URLs.
Checking the robots.txt file
The robots.txt file is missing!
Social
Social Engagement
No info found.
Content
Doctype
HTML 4.01 Transitional
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”ja”.
Title
アール・エフ・システム：トップ～アナログ＆デジタルのプログラム開発と回路設計
Character length : 38
Good! The title’s length is between 10 and 70 characters.
Character length : 38
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 10%
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
|---|---|---|---|---|---|
| 1 | 3 | 0 | 0 | 0 | 0 |
Heading structure in the source code
- <H1>
- <H2> 初めに
- <H2> アナログ アンド デジタル
- <H2> ハ－ドウエアからソフトウエアまで
Word cloud
- 開発・設計事例2
- 制御・計算2
- 業務履歴2
- サイトマップ2
- アール・エフ・システム2
- アナログ回路2
- お問い合わせ2
- デジタルサーボ2
- 業務内容2
- デジタル処理2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| 開発・設計事例 | |||
| 制御・計算 | |||
| 業務履歴 | |||
| サイトマップ | |||
| アール・エフ・システム | |||
| アナログ回路 |
404 Page
The website has a 404 error page.
Flash content
Good! The website does not have any flash contents.
Frame
Good! The website does not use iFrame solutions.
Images
We found 13 images on this web page.
Good! Every image has an alternative text attributes set on this website.
Good! Every image has an alternative text attributes set on this website.
Technologies
Deprecated HTML elements
Error! Deprecated HTML tags are used on this webpage. You should improve your website.
| Deprecated HTML tags | Occurrences |
|---|---|
| <font> | 2 |
Redirection (www / not www)
Error! The web address is accessible with and without www!
Deprecated HTML elements
Error! Deprecated HTML tags are used on this webpage. You should improve your website.
| Deprecated HTML tags | Occurrences |
|---|---|
| <font> | 2 |
Printability
Suggestion! Unfortunately, no printer-friendly CSS found.
Meta Tag (viewport tag, mobile devices)
Error! The meta tag named viewport is missing.
Speed test
Server response time
The server response time is fast enough.
Table layout
Good! No nested tables found.
Render blocking resources
Good! No render blocking elements found!
Speed test – Javascript
Javascript
Good! Just a few javascript files are detected on the website.
- http://www.rf-system.net/js/jquery-1.3.2.min.js
- http://www.rf-system.net/js/scrolltopcontrol.js
- http://www.rf-system.net/js/mouse_over.js
- http://www.rf-system.net/js/mouse_over_onstc.js
File size of all javascript files combined
0.00
Javascript minifying
Great! The Javascript files are minified.
Speed test – CSS
CSS
Good! Just a few CSS files are used on this website.
- http://www.rf-system.net/css/fontsize.css
File size of all css files combined
0.00
CSS minifying
Great! The CSS elements are minified.
Speed test – Compression
Uncompressed size of the of the HTML
0.00
Gzip compression
Your site uses compression.
Speed test – Browser cache
Browser cache
The browser cache is set correctly for all elements.
Speed test – Images
File size of all images combined
0.00
Image optimisation
All images are optimized.
Links
We found a total of 20 different links.
Internal links: 20
Internal links: 20
External links:
| Link text (anchor) | Link strength |
|---|
Internal links:
| Link text (anchor) | Link strength |
|---|---|
| http://www.rf-system.net/sub/rf.html | |
| 業務内容 | |
| デジタル処理 | |
| デジタルサーボ | |
| アナログ回路 | |
| 制御・計算 | |
| 開発・設計事例 | |
| デジタル処理 | |
| デジタルサーボ | |
| アナログ回路 | |
| 制御・計算 | |
| 業務履歴 | |
| 納入企業 | |
| お問い合わせ | |
| 個人情報 | |
| 所在地 | |
| サイトマップ | |
| 外部リンク | |
| 参照：開発・設計事例 → | |
| RFの紹介 |
Website security
IP
157.7.107.143
External hidden links
Good! No hidden external links found
Looking for eval()
Good! No eval(bas64_decode()) scripts are found
Checking for XSS vulnerability
No XSS vulnerability found
Email encryption
Good! We have not found any unencrypted email addresses.
Sites on same ip
Icons
Favicon
Good! The website uses favicon.
Typos
f-system.net, ref-system.net, ef-system.net, rdf-system.net, df-system.net, rff-system.net, ff-system.net, rgf-system.net, gf-system.net, r4,f-system.net, 4,f-system.net, rtf-system.net, tf-system.net, r5f-system.net, 5f-system.net, r-system.net, rfc-system.net, rc-system.net, rfd-system.net, rd-system.net, rfe-system.net, re-system.net, rfr-system.net, rr-system.net, rft-system.net, rt-system.net, rfg-system.net, rg-system.net, rfb-system.net, rb-system.net, rfv-system.net, rv-system.net, rfsystem.net, rf-=system.net, rf=system.net, rf-_system.net, rf_system.net, rf-0system.net, rf0system.net, rf-+system.net, rf+system.net, rf-*system.net, rf*system.net, rf-9system.net, rf9system.net, rf-ystem.net, rf-sqystem.net, rf-qystem.net, rf-swystem.net, rf-wystem.net, rf-seystem.net, rf-eystem.net, rf-szystem.net, rf-zystem.net, rf-sxystem.net, rf-xystem.net, rf-scystem.net, rf-cystem.net, rf-sstem.net, rf-sytstem.net, rf-ststem.net, rf-sygstem.net, rf-sgstem.net, rf-syhstem.net, rf-shstem.net, rf-syjstem.net, rf-sjstem.net, rf-syustem.net, rf-sustem.net, rf-sytem.net, rf-sysqtem.net, rf-syqtem.net, rf-syswtem.net, rf-sywtem.net, rf-sysetem.net, rf-syetem.net, rf-sysztem.net, rf-syztem.net, rf-sysxtem.net, rf-syxtem.net, rf-sysctem.net, rf-syctem.net, rf-sysem.net, rf-systrem.net, rf-sysrem.net, rf-systfem.net, rf-sysfem.net, rf-systgem.net, rf-sysgem.net, rf-systhem.net, rf-syshem.net, rf-systyem.net, rf-sysyem.net, rf-syst5em.net, rf-sys5em.net, rf-syst6em.net, rf-sys6em.net, rf-systm.net, rf-systewm.net, rf-systwm.net, rf-systesm.net, rf-systsm.net, rf-system.net, rf-systm.net, rf-systedm.net, rf-systdm.net, rf-systefm.net, rf-systfm.net, rf-systerm.net, rf-systrm.net, rf-syste3m.net, rf-syst3m.net, rf-syste4m.net, rf-syst4m.net, rf-syste.net, rf-systemn.net, rf-systen.net, rf-systemh.net, rf-systeh.net, rf-system.net, rf-syste.net, rf-systemj.net, rf-systej.net, rf-systemk.net, rf-systek.net, rf-systeml.net, rf-systel.net, rf-system .net, rf-syste .net
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