✅ 9 criteria passed
❌ 2 criteria to solve
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PDF.io – Essential Online PDF Tools
https://pdf.io
Free set of online tools for handling PDF files. Convert and edit your PDF files with incredible ease and speed!
https://pdf.io
PDF.io – Essential Online PDF Tools
Free set of online tools for handling PDF files. Convert and edit your PDF files with incredible ease and speed!
Great, a redirect is in place to redirect traffic from your non-preferred domain. All versions of your page point to the same URL.
| Attribute | Value |
| ⓘ viewport | width=device-width |
ⓘ The results of our semantic analysis are shown below using the website's language.
They are the main concepts covered by pdf.io.
Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.
| Topics | |
Portable Document Format Confidence: 69% 
|
|
Tool Confidence: 68%
|
|
Educational technology Confidence: 63% 
|
✅ pdf.io website speed is fast. Page speed is important for visitors and search engines.
Get insights to improve your page loading time.
This domain loads at the median speed of 1.1 seconds.
pdf.io is faster than approximately 74 percent of the web. Your website page speed needs to be as fast as you can make it, without compromising the customer experience.
A good goal to achieve is a loading time of 2 seconds on desktop and mobile devices.
ⓘ This website is ranked #17.858 by Alexa.
This rank is traffic based. The lower the rank is, the better the domain is ranked.
| Country | Rank |
 Viet Nam |
#19.337 |
 India |
#22.447 |
 Indonesia |
#1.139 |
 Thailand |
#891 |
 Turkey |
#26.559 |
 Russian Federation |
#1.651 |
 Pakistan |
#24.584 |
 United States of America |
#98.575 |
 Poland |
#4.686 |
 Kazakhstan |
#883 |
 Uzbekistan |
#3.394 |
 Ukraine |
#9.292 |
 Belarus |
#4.849 |
 Netherlands |
#4.432 |
 Netherlands |
#0 |
Mobile Rendering
This website seems to be optimized for Mobile Visitors.
Phone
Tablet
A good text to HTML ratio is anywhere from 25 to 70%.
This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.
We did not find HTML headings (<H1> to <H6>) on this page.
pdf.io currently has 0 HTML heading tags. Each page should have one, and only one, <H1> tag. Use phrases in your headings with your most important keywords in the top level, and be sure to maintain the <H1> to <H6> hierarchy.
We found 1 images on this website.
1
ALT attributes are missing on your image tags.
| Image | Image URL | Occurrences |
 |
//static.123apps.com/pdf/i/pdf_io_1.svg | 1 |
Alternative text allows you to add a description to an image.
Google rely on alternative text attributes to determine relevance to a search query. Alternative text also makes an image more likely to appear in a Google image search.
It looks like you're missing alternative text for 1 images on pdf.io. Check your website to make sure it's specified for each image on the page.
| Anchor | Type | URL |
| English | text | / |
| Português | text | /pt/ |
| Italiano | text | /it/ |
| Español | text | /es/ |
| Deutsch | text | /de/ |
| Français | text | /fr/ |
| Русский | text | /ru/ |
| Polski | text | /pl/ |
| Türkçe | text | /tr/ |
| 日本語 | text | /ja/ |
| 한국어 | text | /ko/ |
| 繁體中文 | text | /tw/ |
| tiếng Việt | text | /vi/ |
| ภาษาไทย | text | /th/ |
| Bahasa Indonesia | text | /id/ |
| m@123apps.com | text | mailto:m@123apps.com?subject=pdf.io |
| Privacy | text | /legal |
| Split Split PDF file into pieces or pick just a few pages | text | /split/ |
| Merge Merge multiple PDF files into one quickly and easily | text | /merge/ |
| Compress Reduce the size of your PDF file | text | /compress/ |
| PDF to Word Convert PDF files to Word (doc, docx) and make them available for editing | text | /pdf2doc/ |
| Word to PDF Convert Word files (doc, docx) to PDF | text | /doc2pdf/ |
| PDF to Excel Convert PDF tables to Excel (xls, xlsx), making them available for editing | text | /pdf2xls/ |
| Excel to PDF Convert an Excel table (xls, xlsx) to PDF | text | /xls2pdf/ |
| PDF to JPG Save each PDF page as a separate JPG image or extract embedded images | text | /pdf2jpg/ |
| JPG to PDF Merge multiple JPG images into a single PDF file | text | /jpg2pdf/ |
| Unlock Remove password from PDF, remove encryption, and unlock a protected document | text | /unlock/ |
| Protect Protect your PDF files: encrypt them with a password | text | /protect/ |
| Rotate Rotate a few PDF pages or change orientation of all pages | text | /rotate/ |
| PPT to PDF Convert PowerPoint presentations (ppt, pptx) to PDF and make them easily readable on any... | text | /ppt2pdf/ |
| PNG to PDF Merge multiple PNG images into a single PDF file | text | /png2pdf/ |
| PDF to PNG Save each PDF page as a separate PNG image or extract embedded images | text | /pdf2png/ |
| PDF to HTML Convert PDF to HTML without losing text or format | text | /pdf2html/ |
| Add Page Numbers Add page numbering to PDF document, number the pages quickly and easily | text | /page-numbers/ |
| ⓘ Domain Registrar | GANDI SAS |
| ⓘ Registration Date | 07/26/2015 9 years, 3 months, 27 days ago |
| ⓘ Last Modified | 06/25/2019 5 years, 4 months, 28 days ago |
| Domain |
Others (13%)
Germany
SOCIAL MEDIA PRESENCE
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