1.W3C markup validation service
This validator checks the markup validity of Web documents in HTML,
XHTML, SMIL, MathML, etc. This is an exclusive standards check for the
document, so other checks are not available.
Checks done on:
- Syntax and style analysis – Yes
- Source code – Yes
2.CSS validator
Check Cascading Style Sheets (CSS) and (X)HTML documents with style
sheets.The important thing is if you want to validate your CSS style
sheet embedded in an (X)HTML document, you should first check that the
(X)HTML you use is valid.
3.Checklink
Check links and anchors in Web pages or full Web sites.This Link
Checker looks for issues in links, anchors and referenced objects in a
Web page, CSS style sheet, or recursively on a whole Web site. For best
results, it is recommended to first ensure that the documents checked
use Valid (X)HTML Markup and CSS.
4.Feed
This is the W3C Feed Validation Service, a free service that checks
the syntax of Atom or RSS feeds.You can validate by URL or Validate by
direct input.
5.Mobile checker
This checker performs various tests on a Web Page to determine its
level of mobile-friendliness. The tests are defined in the mobileOK
Basic Tests 1.0 specification. A Web Page is mobileOK when it passes all the tests. And find Is your Web site mobile-friendly?
6.Unicorn
Checks your site for all the general standards and see if there are
rooms to improvement. It checks for the XHTML and CSS compatibility.
7.HTML Validator
The WDG HTML Validator is similar in many ways to the W3C HTML
Validation Service. Most of the previous differences between the two
validators have disappeared with recent development of the W3C
validator. The errors reported are the same in virtually all cases.
8.Dr. Watson’s site validation check
Dr. Watson is a free service to analyze your web page on the
Internet. Just give the URL of your page and Watson will get a copy of
it directly from the web server. Watson can also check out many other
aspects of your site, including link validity, download speed, search
engine compatibility, and link popularity. It rolls many features into
one, so if you are looking for a single stop for checks, this one is the
place to be.
List of checks :
- Page load time check – Yes
- Syntax and style analysis – Yes
- Word counts – Yes
- Spelling checks – Yes
- Link checking – Yes
- Search Engine Optimization check – Yes
- Incoming links check – Yes
- Source code – Yes
9.XML well checker and validator
Use this form to check an XML document for well-formetness and
(optionally) validity. External entity references are included, even
when not validating.It checks for spaces and syntax errors, while
pointing to the line number at which the error was spotted.
10.Robots checker
This tool checks if your Robots.txt file is valid.
Thought it may show some exclusions you’ve done as errors, they are good
pointers to check if the commands will be misinterpreted or not. Good
one and it is simple,powerful and accurate one.
11.URL checker
While it’s important to know if your website is running and your host
is providing a good service, it’s even more important to be proactive
about getting it back online fast so you don’t lose search engine
position, miss out on possible revenue or blow.InternetSupervision™
is a service that monitors the availability of HTML, FTP, SMTP, POP3
email servers), supervises the performance of website and e-commerce
transactions (including website forms) and provides website content
supervision (cyber-attack monitoring).
11.1.Web page reports
There are various online services offering automated web page checks.
pinkjuice.com/check is just a simple tool generating links to the
report pages of some of those services, including emulators, validators,
and accessibility checkers.And it’s handy to have a list of all the
results pages, for example when sending a status report to a client
about a website that’s being worked on.
Accessibility and evaluation tools
12.Webaccessibility checker
This tool checks single HTML pages for conformance with
accessibility standards to ensure the content can be accessed by
everyone. See the Handbook link to the upper right for more about the
Web Accessibility Checker.
13.Color contrast
AccessColor tests the color contrast and color brightness between the foreground and background of all elements in the DOM
to make sure that the contrast is high enough for people with visual
impairments. AccessColor will find the relevant color combination within
your HTML and CSS documents rather than requiring you to find each
value to input yourself in order to test the contrast between each color
combination.
14.Web accessibily evaluation tool-WAVE
WAVE is a free web accessibility evaluation tool provided by WebAIM.
It is used to aid humans in the web accessibility evaluation process.
Rather than providing a complex technical report, WAVE shows the
original web page with embedded icons and indicators that reveal the
accessibility of that page.
15.FAE – Functional Accessibility Evaluator
Use this tool to evaluate the functional accessibility of a single
web page. It evaluate multiple pages via web crawling,Generate a
Sitewide Report that identifies problem pages,Save reports in an
account-specific Archived Reports list.
16.Accessibility with style
HERA is a tool to check the accessibility of Web
pages according to the specification Web Content Accessibility
Guidelines. HERA performs a preliminary set of tests on the page and
identifies any automatically detectable errors or checkpoints met, and
which checkpoints need further manual verification.
17.Section 508
The Section 508 checking tool automatically compares your HTML code
against Section 508 checklist and shows your results quickly. Results
are simple to understand too.
18.Adobe PDF conversion
This conversion service will convert to text Adobe PDF files that are
in English.By submitting content through these tools, you understand
and agree that Adobe may occasionally access the content you submit for
purposes of quality control and administration of the conversion
service.
Website performance checkers
19.Pingdom tools
The Full Page Test loads a complete HTML page including all objects
(images, CSS, JavaScripts, RSS, Flash and frames/iframes). It mimics
the way a page is loaded in a web browser.The load time of all objects
is shown visually with time bars.
20.Webpage analyzer
Free web site speed test to improve website performance.The script
calculates the size of individual elements and sums up each type of web
page component. Based on these page characteristics the script then
offers advice on how to improve page load time
Cross Browser Testing
21.Browser shots
Browsershots makes screen shots of your web design
in different operating systems and browsers. It is a free open-source
online web application providing developers a convenient way to test
their website’s browser compatibility in one place. When you submit your
web address, it will be added to the job queue. A number of distributed
computers will open your website in their browser. Then they will make
screenshots and upload them to our central dedicated servers for your
review.
22.IE net renderer
IE NetRenderer allows you to check how a website is rendered by Internet Explorer 7, 6 or 5.5, as seen from a high-speed data center located in Germany.
23.Viewlike
viewlike allows you to check out how your website looks in the most
popular resolution formats. It’s all powered by Ajax & PHP so no
need to download anything! To Get started just type your URL in the box
above. Free to use!
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