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Click here to check amazing PDF Viewer content for India. Otherwise, check out these important facts you probably never knew about pdfviewer.io
Whether you’re working alone or collaborating with a team, our PDF Viewer maximizes productivity, allowing you to easily read, review, annotate, and search PDFs on your mobile device.Visit pdfviewer.io
We analyzed Pdfviewer.io page load time and found that the first response time was 85 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
pdfviewer.io performance score
Our browser made a total of 57 requests to load all elements on the main page. We found that 60% of them (34 requests) were addressed to the original Pdfviewer.io, 21% (12 requests) were made to and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (332 ms) relates to the external source In.getclicky.com.
Page size can be reduced by 378.0 kB (13%)
In fact, the total size of Pdfviewer.io main page is 3.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.
Potential reduce by 248.9 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 248.9 kB or 87% of the original size.
Potential reduce by 126.1 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. PDF Viewer images are well optimized though.
Potential reduce by 3.0 kB
Number of requests can be reduced by 11 (28%)
pdfviewer.io accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
<html> element does not have a [lang] attribute
These items highlight common accessibility best practices.
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
pdfviewer.io best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
pdfviewer.io SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Image elements do not have [alt] attributes
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Document uses legible font sizes
Tap targets are not sized appropriately
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pdfviewer.io can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Pdfviewer.io main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
Open Graph description is not detected on the main page of PDF Viewer. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: