1. Code:
Code:
http://www.sitereportcard.com/
untuk mengecek;

1. Find Broken Links
2. Check For Spelling Errors
3. Check Meta Tags
4. Validate HTML Syntax
5. Get Page Load Time
6. Check the Link Popularity
7. Search Engine Inclusion
8. Check Keywords
9. Check Organic Keyword Rankings

2. Code:
Code:
http://validator.w3.org/
Untuk mengecek validasi / kebenaran kode HTML web anda


3. Code:
Code:
http://www.echoecho.com/toolhtmlinspector.htm
Untuk mengecek;

1. Browser Compatibility - Tags not supported by popular browsers
2. Link Validator - Lists all bad links on the page
3. Popularity - Lists other pages linking to the page
4. Load Time - Load time at different connections
5. Submit It! Readiness - Bugs resulting in bad search engine indexing
6. Spelling - Lists potential spelling errors (English)
7. HTML Validity - Lists bad HTML tags.

4. Code:
Code:
http://tool.motoricerca.info/spam-detector/
Untuk mengecek SPAM