SEO report of rainbow-engine.com
Rainbow Engine Blog
rainbow-engine.com/
忙しい世の中の流れをスムーズにするため IT技術・ギターを中心に 皆様の時間短縮に役に立つコンテンツを配信。 To make the busy world more smooth, I will provide contents of IT skill, Guitar, to save your time ...
Tasks
- Avoid using deprecated HTML tags.
SEO
URL
Domain : rainbow-engine.com/
Character length : 19
Title
Rainbow Engine Blog
Description
忙しい世の中の流れをスムーズにするため IT技術・ギターを中心に 皆様の時間短縮に役に立つコンテンツを配信。 To make the busy world more smooth, I will provide contents of IT skill, Guitar, to save your time.
Keywords (meta keywords)
Good! The website does not use “meta keywords”.
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
Error! Hyphen (-) is a better solution than underscore (_) in the URLs
- http://rainbow-engine.com/2017/05/05/linux_oracledb_3
- http://rainbow-engine.com/2017/05/05/linux_oracledb_3 ("Linuxサーバ(CentOS6)にOracleDB11gをインストールする（その3）")
- http://rainbow-engine.com/2017/05/05/linux_nospace
- http://rainbow-engine.com/2017/05/05/linux_nospace ("Linux：No space left on deviceの対処／Linux : how to solve “No space left on device”")
- http://rainbow-engine.com/2017/04/30/linux_oracledb_2
- http://rainbow-engine.com/2017/04/30/linux_oracledb_2 ("Linuxサーバ(CentOS6)にOracleDB11gをインストールする（その２）")
- http://rainbow-engine.com/2017/04/24/linux_oracledb
- http://rainbow-engine.com/2017/04/24/linux_oracledb ("Linuxサーバ(CentOS6)にOracleDB11gをインストールする（その１）")
- Expand
Search engine friendly URLs
Error! Not all URLs are SEO friendly on this website!
Checking the robots.txt file
There is robots.txt file.
Social
Social Engagement
No info found.
Content
Doctype
HTML 5
Encoding
Perfect! The character encoding is set: UTF-8.
Language
We have found the language localisation: ”ja”.
Title
Rainbow Engine Blog
Character length : 19
Good! The title’s length is between 10 and 70 characters.
Character length : 19
Good! The title’s length is between 10 and 70 characters.
Text / HTML ratio
Ratio : 8%
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 | 0 | 0 | 0 | 0 | 0 |
Heading structure in the source code
- <H1> "世界を加速させる"/"Accelerate the World"
Word cloud
- left7
- space7
- technology6
- 分類：it技術6
- guitar5
- linuxサーバ5
- 分類：ギター動画紹介5
- コメント4
- ギター単音弾き練習動画の紹介です。4
- japan4
- prefecture3
- 新潟県3
- niigata3
- ／越後湯沢駅3
- linux：no3
- solve3
- device”3
- プロフィール・目的/profile3
- deviceの対処／linux3
- をインストールする方法について書きます。3
- station3
- 掲題の通り、linuxにoracledb3
- how3
- echigoyuzawa3
- いつ何度でも3
- 旅立ちの日に3
- engine3
- rainbow3
- wonderful3
- goal3
- http2
- 世界を加速させる/accelerate2
- world2
- rainbow-engine2
- rss2
- life2
- daily2
- 分類：日常2
- article2
- english2
Keyword matrix
| word | title | descriptions | heading |
|---|---|---|---|
| left | |||
| space | |||
| technology | |||
| 分類：it技術 | |||
| guitar | |||
| linuxサーバ |
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 16 images on this web page.
Alternate attributes for the following 16 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
Alternate attributes for the following 16 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.
- http://rainbow-engine.com/.. /cropped-pattern0003a.jpg
- http://rainbow-engine.com/.. /icon-2-150x150.png (1 occurrences)
- http://rainbow-engine.com/.. /icon-1-150x150.png (1 occurrences)
- http://rainbow-engine.com/.. /icon4-150x150.png (1 occurrences)
- http://rainbow-engine.com/.. /11g_icon-150x150.png (3 occurrences)
- http://rainbow-engine.com/.. /Linux-150x150.png (1 occurrences)
- http://rainbow-engine.com/.. /icon-150x150.png
- http://rainbow-engine.com/.. /aviutl_icon-150x150.png
- http://rainbow-engine.com/.. /icon-150x150.png
Technologies
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
Redirection (www / not www)
Good! The web address is accessible in only one version. The www version is redirected to the version without www.
Deprecated HTML elements
Good! No deprecated HTML tags are detected.
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.
Number of HTTP resources
33
Number of source domains
9
Render blocking resources
The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files
List of render blocking javascript files
- http://ajax.googleapis.com/.. /jquery.min.js?ver=1.11.3
- http://rainbow-engine.com/.. /jss-style.css?ver=4.8.5
- http://rainbow-engine.com/.. /normalize.css?ver=1.5.9
- http://rainbow-engine.com/.. /font-awesome.min.css?ver=4.5.0
- http://rainbow-engine.com/.. /style.css?ver=4.8.5
Speed test – Javascript
Javascript
Error! Too many javascript files found which slows down the page load on the website.
- http://rainbow-engine.com/wp-content/plugins/syntaxhighlighter/syntaxhighlighter3/scripts/shCore.js?ver=3.0.9b
- http://rainbow-engine.com/wp-content/plugins/syntaxhighlighter/syntaxhighlighter3/scripts/shBrushBash.js?ver=3.0.9b
- http://rainbow-engine.com/wp-content/plugins/syntaxhighlighter/syntaxhighlighter3/scripts/shBrushPlain.js?ver=3.0.9b
- http://rainbow-engine.com/wp-content/plugins/syntaxhighlighter/syntaxhighlighter3/scripts/shBrushJava.js?ver=3.0.9b
- http://rainbow-engine.com/wp-content/plugins/jquery-smooth-scroll/js/jss-script.min.js?ver=4.7.5
- http://rainbow-engine.com/wp-content/plugins/table-of-contents-plus/front.min.js?ver=1509
- http://rainbow-engine.com/wp-content/themes/stinger8/js/base.js?ver=4.7.5
- http://rainbow-engine.com/wp-content/themes/stinger8/js/scroll.js?ver=4.7.5
- http://rainbow-engine.com/wp-includes/js/wp-embed.min.js?ver=4.7.5
File size of all javascript files combined
254.01KB
Javascript minifying
You can save 1.9KB (22% compression) on the analysed URL by minifying the javascript files.
Speed test – CSS
CSS
Error! Too many CSS files detected that slows down the page load.
- http://rainbow-engine.com/wp-content/plugins/jquery-smooth-scroll/css/jss-style.css?ver=4.7.5
- http://rainbow-engine.com/wp-content/plugins/table-of-contents-plus/screen.min.css?ver=1509
- http://rainbow-engine.com/wp-content/themes/stinger8/css/normalize.css?ver=1.5.9
- http://rainbow-engine.com/wp-content/themes/stinger8/css/fontawesome/css/font-awesome.min.css?ver=4.5.0
- http://rainbow-engine.com/wp-content/themes/stinger8/style.css?ver=4.7.5
File size of all css files combined
84.11KB
CSS minifying
You can save 4KB (36% compression) on the analysed URL by minifying the CSS files.
- By minifying http://rainbow-engine.com/.. /style.css?ver=4.8.5 you can save 3.2KB (33% compression rate)
- By minifying http://rainbow-engine.com/.. /special.css you can save 465B (47% compression rate)
- By minifying http://rainbow-engine.com/.. /jss-style.css?ver=4.8.5 you can save 339B (49% compression rate)
Speed test – Compression
Uncompressed size of the of the HTML
34.75KB
Gzip compression
Error! By using Gzip you can save 33.6KB (66% compression) on your site.
- By compressing http://js.ptengine.jp/257321cf.js you can save 33.6KB (66% compression rate)
- By compressing http://js.ptengine.com/pta.js you can save 680B (57% compression rate)
- By compressing http://rainbow-engine.com/.. /jss-style.css?ver=4.8.5 you can save 320B (47% compression rate)
- By compressing http://rainbow-engine.com/.. /jss-script.min.js?ver=4.8.5 you can save 280B (44% compression rate)
Speed test – Browser cache
Number of static resources (image, JS, CSS)
19
Browser cache
The browser cache is not set correctly for all elements.
| URL | Duration |
|---|---|
| http://rainbow-engine.com/.. /arrow.png | Expiry time is not specified |
| http://rainbow-engine.com/.. /special.css | Expiry time is not specified |
| http://rainbow-engine.com/.. /prettify.js | Expiry time is not specified |
| http://rainbow-engine.com/.. /search.png | Expiry time is not specified |
| http://rainbow-engine.com/.. /11g_icon-150x150.png | Expiry time is not specified |
| http://rainbow-engine.com/.. /Linux-150x150.png | Expiry time is not specified |
| http://rainbow-engine.com/.. /cropped-c8a03ed7-150x150.jpg | Expiry time is not specified |
| http://rainbow-engine.com/.. /cropped-c8a03ed7.jpg | Expiry time is not specified |
| http://rainbow-engine.com/.. /guitar-150x150.png | Expiry time is not specified |
| http://rainbow-engine.com/.. /plsql-150x150.png | Expiry time is not specified |
| http://rainbow-engine.com/wp-content/uploads/2018/01/jp1-150x150.png | Expiry time is not specified |
| http://rainbow-engine.com/.. /Wordpress-150x150.jpg | Expiry time is not specified |
| http://cdn.api.b.hatena.ne.jp/.. /?url=http%3A%2F%2Frainbow-engine.com%2F&... | 29.9 minutes |
| http://js.ptengine.com/pta.js | 60 minutes |
| http://js.ptengine.com/pts.js | 60 minutes |
| http://js.ptengine.jp/257321cf.js | 60 minutes |
| http://www.google-analytics.com/analytics.js | 2 hours |
| http://cdn-ak.b.st-hatena.com/js/bookmark_button.js | 4.7 hours |
Speed test – Images
File size of all images combined
192.96KB
Image optimisation
You can save 13.6KB (29% compression) by optimising the images below:
- By lossless compressing the http://rainbow-engine.com/.. /Wordpress-150x150.jpg you can save 7KB (55%) data.
- By lossless compressing the http://rainbow-engine.com/.. /cropped-c8a03ed7-150x150.jpg you can save 3.2KB (25%) data.
- By lossless compressing the http://rainbow-engine.com/.. /plsql-150x150.png you can save 1.7KB (20%) data.
- By lossless compressing the http://rainbow-engine.com/.. /11g_icon-150x150.png you can save 1.7KB (13%) data.
Links
We found a total of 49 different links.
Internal links: 47
External links: 2
Internal links: 47
External links: 2
External links:
| Link text (anchor) | Link strength |
|---|---|
| Google+ | |
| WordPress.org |
Internal links:
| Link text (anchor) | Link strength |
|---|---|
| プロフィール・目的/Profile & Goal | |
| Rainbow Engine | |
| http://rainbow-engine.com/2017/05/14/yz0022 | |
| ギター演奏動画(#12)旅立ちの日に | |
| 分類：ギター動画紹介 (Guitar) | |
| http://rainbow-engine.com/2017/05/08/yz0020 | |
| ギター演奏動画(#11)いつ何度でも | |
| http://rainbow-engine.com/2017/05/06/wonderful-nigata | |
| Wonderful Japan : Echigoyuzawa station (Niigata Prefecture)／越後湯沢駅(新潟県) | |
| 分類：日常 (Daily Life) | |
| http://rainbow-engine.com/2017/05/05/linux_oracledb_3 | |
| Linuxサーバ(CentOS6)にOracleDB11gをインストールする（その3） | |
| 分類：IT技術 (Technology) | |
| http://rainbow-engine.com/2017/05/05/linux_nospace | |
| Linux：No space left on deviceの対処／Linux : how to solve “No space left on device” | |
| http://rainbow-engine.com/2017/05/01/yz0019 | |
| ギター演奏動画(#10)ルージュの伝言 | |
| http://rainbow-engine.com/2017/04/30/linux_oracledb_2 | |
| Linuxサーバ(CentOS6)にOracleDB11gをインストールする（その２） | |
| http://rainbow-engine.com/2017/04/24/linux_oracledb | |
| Linuxサーバ(CentOS6)にOracleDB11gをインストールする（その１） | |
| http://rainbow-engine.com/2017/04/22/aviutl | |
| AviUtlの音ズレ回避方法 | |
| http://rainbow-engine.com/2017/04/17/yz0017 | |
| ギター単音弾き動画⑨夏祭り(Whiteberry) | |
| 2 | |
| 3 | |
| 4 | |
| 次へ » | |
| B!はてブ | |
| LINE | |
| 2017年5月 | |
| 2017年4月 | |
| 2017年3月 | |
| 2017年2月 | |
| 2017年1月 | |
| 2016年11月 | |
| 2016年10月 | |
| 2016年9月 | |
| 2016年4月 | |
| ログイン | |
| 投稿の RSS | |
| コメントの RSS | |
| "世界を加速させる"/"Accelerate the World" | |
| http://rainbow-engine.com/#wrapper | |
| Top |
Website security
IP
183.90.240.4
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
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