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dev.opera.com

Website review dev.opera.com

 Generated on March 29 2021 11:14 AM

Old statistics? UPDATE !


The score is 62/100

SEO Content

Title

Dev.Opera



Length : 9

Ideally, your title should contain between 10 and 70 characters (spaces included). Use this free tool to calculate text length.
Description

Dev.Opera covers current and future HTML, CSS and JavaScript features and implementations, responsive web design, browser extensions, and more.



Length : 143

Great, your meta description contains between 70 and 160 characters.
Keywords



Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
Og Meta Properties This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.
Headings
H1 H2 H3 H4 H5 H6
1 4 14 0 0 0
  • [H1] Dev.Opera
  • [H2] Featured
  • [H2] Articles
  • [H2] Blog
  • [H2] Useful Links
  • [H3] Progressive Web Apps in Nigeria and Kenya: a Double Interview
  • [H3] Introducing SKA - SSH Key Authority
  • [H3] Progressive Web Apps: The definitive collection of resources
  • [H3] Progressive web apps running as native OS X apps
  • [H3] An introduction to the Web Bluetooth API
  • [H3] The New Start Page: Working With the Theme Overlay
  • [H3] Building Offline Sites with ServiceWorkers and UpUp
  • [H3] Release the Beacons!
  • [H3] Installable Web Apps and Add to Home screen
  • [H3] Houdini Task Force meeting report
  • [H3] On PPK’s moratorium on new browser features
  • [H3] What’s new in Chromium 71 and Opera 58
  • [H3] What’s new in Chromium 70 and Opera 57
  • [H3] What’s new in Chromium 69 and Opera 56
Images We found 7 images on this web page.

Good, most or all of your images have alt attributes
Text/HTML Ratio Ratio : 28%

Ideal! This page's ratio of text to HTML code is between 25 and 70 percent.
Flash Perfect, no Flash content has been detected on this page.
Iframe Too Bad, you have Iframes on the web pages, this mean that content in an Iframe cannot be indexed.

URL Rewrite Good. Your links looks friendly!
Underscores in the URLs Perfect! No underscores detected in your URLs.
In-page links We found a total of 41 links including 1 link(s) to files



Anchor Type Juice
Blog Internal Passing Juice
Articles Internal Passing Juice
Extensions Internal Passing Juice
Andreas Bovens Internal Passing Juice
Bruce Lawson Internal Passing Juice
css Internal Passing Juice
design Internal Passing Juice
extensions Internal Passing Juice
html Internal Passing Juice
javascript Internal Passing Juice
open-source Internal Passing Juice
opera Internal Passing Juice
performance Internal Passing Juice
rwd Internal Passing Juice
svg Internal Passing Juice
Krystian Zubel Internal Passing Juice
Shwetank Dixit Internal Passing Juice
Vlad Filippov Internal Passing Juice
Tal Ater Internal Passing Juice
paperclip External Passing Juice
cheese slicer External Passing Juice
Daniel Bratell Internal Passing Juice
Mac, Windows, Linux External Passing Juice
Desktop blog post External Passing Juice
Fredrik Söderqvist Internal Passing Juice
Desktop blog post External Passing Juice
Desktop blog post External Passing Juice
Opera Software on GitHub External Passing Juice
List of Progressive Web Apps External Passing Juice
Opera questions on Stack Overflow External Passing Juice
Opera’s events on Lanyrd External Passing Juice
WebPlatform.org External Passing Juice
Compare browsers on Can I use… External Passing Juice
Opera’s Chromium/Blink/V8 commits External Passing Juice
Chromium dashboard External Passing Juice
Opera bug wizard External Passing Juice
Chromium bug wizard External Passing Juice
Opera DevRel on Twitter External Passing Juice
Opera Mini Simulator Internal Passing Juice
Extensions for web developers External Passing Juice
Contribute! External Passing Juice

SEO Keywords

Keywords Cloud web bruce opera new apps progressive chromium lawson articles blog
Keywords Consistency
Keyword Content Title Keywords Description Headings
opera 19
web 17
articles 13
apps 12
new 10

Usability

Url Domain : dev.opera.com
Length : 13
Favicon Great, your website has a favicon.
Printability We could not find a Print-Friendly CSS.
Language Good. Your declared language is en.
Dublin Core This page does not take advantage of Dublin Core.

Document

Doctype HTML 5
Encoding Perfect. Your declared charset is UTF-8.
W3C Validity Errors : 0
Warnings : 0
Email Privacy Great no email address has been found in plain text!
Deprecated HTML Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
Excellent, your website doesn't use nested tables.
Too bad, your website is using inline styles.
Great, your website has few CSS files.
Perfect, your website has few JavaScript files.
Perfect, your website takes advantage of gzip.

Mobile

Mobile Optimization
Apple Icon
Meta Viewport Tag
Flash content

Optimization

XML Sitemap Missing

Your website does not have an XML sitemap - this can be problematic.

A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.
Robots.txt http://dev.opera.com/robots.txt

Great, your website has a robots.txt file.
Analytics Missing

We didn't detect an analytics tool installed on this website.

Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.

PageSpeed Insights


Device
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