CRX id
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Description from extension meta
Create automatic monitors for detecting and scanning changes on web pages.
Image from store
Description from store
Why PageProbe?
We believe that people want to save both time and money.
We believe there are several things people want to follow on regular basis such as:
- the current price of an expensive item (such as a television) that you would like to purchase so that you can find the lowest price and the best discount to save money
- the current price of a company X stock in the stock market to find out when it is time to buy or sell in order to optimize your profits
- the current price of an item in an online auction in order to bid at the last minute "just enough"
- the number of followers you have in your social media accounts
- the number of likes your social media post has received
- the status of your web application or related software builds
- the latest new post on forum Y
- the latest top article with a specific Twitter search
We believe that people are evaluating the things they monitor based on certain conditions and when those conditions are met, they will take action. For example, the price of the television that you want will drop below certain price.
We believe that when this kind of tracking of many things happens manually every day, it is a huge waste of time and you can easily miss good discounts, buying or selling opportunities and as a result can also lose money.
Therefore most of content monitoring should be easily automated so that an application will monitor the things you have defined, evaluates the results based on the conditions you have defined and then notifies you when those conditions are met so that you can take action.
What is PageProbe?
PageProbe WebExtension can monitor any web pages you can access on the Internet or in your company intranet. By simply right-clicking the content you see on a page, you can quickly create a tracker with optional conditions and actions and then view the status of those trackers in a simple monitoring view.
By clicking the extension icon you can see a nice overview of all your trackers and the data retrieved. Trackers can be easily organized into groups.
Feature highlights:
- Unlimited number of trackers that can monitor any accessible page on the Internet or intranet
- Fully local solution - does not require an account
- Trackers can be organized into a tree based hierarchy of groups
- Converters allow you to easily transform strings to numbers and perform simple arithmetic on them
- Advanced conditions for trackers: contains text, doesn't contain text, contains all words, doesn't contain words, contains any words, contains any words that start with, matches regexp,
is, is not, begins with text, ends with text, smaller than, smaller than or equal, greater than, greater than or equal, is going up, is going down, has changed
- Case sensitive and case-insensitive matching
- Advanced actions: show desktop notification, play audio (local or URL), set color/CSS for monitor column/row, HTTP POST, IFTTT, data history logging, event log entry
- Data history logging will allow you to see with a simple chart how the value of some item has changed over time
- Export tracker table as Excel
Latest reviews
- (2024-11-26) Chr Pqe: Hello, Some bugs there and here, but the most important that makes this extension not actually as good as some well known competitors is the lack of list synchronization between computers : Chrome Extension Sync (to sync at least the list of urls and their configuration / but of course not the websites contents) Indeed, if I install the extension on many computers, I will inevitably lost the lists, Thank you
- (2023-08-11) Josh Nathan: I love it. I've used several (free) standalone tools to monitor webpage changes, and none of them worked consistently or notifications never came through. PageProbe seems to be working exactly as designed. It's got so many configuration options, you can really fine-tune your trackers and notifications. Thanks again for this awesome extension.
- (2023-03-08) Icez: Best free one
- (2023-01-29) Paul Tottle: Excellent. Versatile. Free!
- (2023-01-18) Karina Ardos: лучшее из всего магазина
- (2022-10-29) Rich: Great alternative to other web scrappers out there and is absolutely free and unlimited functions.
- (2022-06-10) kiku chi: Hi, I am trying to set this up while checking the help, but I am having trouble trying to push to email or line. Is there a blog or other place that explains the settings in detail? I really like this extension. Thanks again for all your help.
- (2022-04-28) Lobo Tomy: Tried some other (much more popular page monitor extentions) but this one does the job properly. Tested it on a page to see if it'd find an image and worked like a charm. Thanks a lot!
- (2022-04-25) Blog Blogger: Overall, it's OK.But there are many essential "little" things that ruin the whole experience with the extension. For instance --(1) you cannot adjust the width of the columns. (I always have to scroll the horizontal bar left to right and vice versa) --(2) It doesn't remember the sorting order you selected (for instance I want to see the most recent change always on the top, but it doesn't stick) --(3) The templates could have been independently defined (with its own name each one) and not searching among dozens of entries to find which one resemble what you want to do. --(4) Multiple selection of entries to manage them more easily --(5) Less or user controllable pop-ups. Also I have trouble with the extension not remembering the values before the last one, so the chart (for a price etc.) usually fails.
- (2022-02-18) Prathamesh Parikh: Excellent extension. Very reliable.
- (2022-02-17) Ihor Menshykov: This is one of the best most useful addons ever.
- (2021-12-15) Michael Rod: bros i love yall, yall should be proud.. little request however, please get rid of that green notifiation that shows the actions, or at least move it cuz it pops up right where the setting wheel is for each tracker an it gets in the way big time, other than that im not even taking off a star cuz its still awesome and i still love yall.
- (2021-10-26) Огурчик Игривый: Just a great extension for monitoring any character content on web pages. Many thanks! But It is unclear why there is such a small limit on the number of entries in the log. 200 entries is very little. I'd love to tweak this or increase it to at least 1000 or 1 million
- (2021-10-01) Saibor Nama: I like the extension. It works very well, but I hope if you can make it check every 5s and every 1s. Also the notification doesn't make any sound so I don't notice it.
- (2021-09-26) iman pourramezani: unreliable
- (2021-08-20) Nir Melamoud: does not work , track content does not add item to groups
- (2021-08-19) Pikachooo: Great extension! Everything works as expected!
- (2021-07-22) 平井伸治: 監視する項目指定が、直接入力しか無いので、わかりづらい。 他のは、画面上で選択できるので、その機能も欲しい。
- (2021-06-19) Carmel C: 1YR UPDATE: Been using this for a year & wow! I have saved alot of money on monitoring website deals, price changes that come up based on my custom schedule. Much better than the alternative of signing up for website deal alerts where I have to give out my email address to get spam. ORIG REVIEW: Great website monitor tool, much better than Distill in many ways. Free for any usage, with no limits, can customize your selections with boolean & all kinds of neat ways. Where it lacks in the learning curve it makes up for in its flexibility and unlimited usage for local client side monitoring. If you want to keeep your info private, with no cloud access this is great and even better does not data mine your info like other extensions. I recommend it and hope it stays free.
- (2021-06-08) nave3d: I love that this extension is free. There's some things that I liked about Distill that this app doesn't seem to have (or maybe it's just too advanced for me so I can't figure it out) Getting notifications through discord is a HUGE plus. Figuring out how to do it was a little hard as I've never set up webhooks or anything before but Google was a great help :)
- (2021-06-07) D1: Amazing tool :) I struggled a bit with setting up a PAC script but well, I managed to do it. Does the extension work in the background though (browser not opened)
- (2021-05-27) Artemis Livingstone: This tracker is amazing, however I wished it had an option to send a notification when the request returned 200, as I would like to track the existence of an element on a page
- (2021-04-23) Wynand Meyering: A brilliant piece of programming. I was writing something similar to monitor stock market shares and cryptocurrency websites and struggled, so I checked the web for a solution. This was it.
- (2021-04-09) Mauro Kren: Incredible extension. Saved me a lot of money and its super efficient. Doesn't consume resources at all from my computer. Thank you!
- (2021-03-13) Pei Shi: The best webpage monitor I've used. Distill's developers are becoming more and more greedy. Page moitor can't choose certain element in the one webpage. One suggestion: I hope there would be a placeholder refering to tracker url in "Open URL in a New Tab“ of "Tracker Actions". So I can batch add new tracker using template, instead of editing one by one the link to tracker url.
- (2021-02-23) Raymond AndHisCat: The fact that there is a template where I can paste all of the links I wish to track seperates this from all of the other web tracker extensions out there. It's the best one I've found so far. I would like to request the author to add a new condition though. Instead of comparing the updated value to an integer, let us compare the change to an integer. For example: The 'greater than and equal to' condition only compares the 'converted value' with a user defined integer. If you can add all of the comparison functions to be comparable to 'change', that would be amazing. Thank you for your hard work! If more conditions can be added comparing the
- (2021-02-21) Oo: This extension is very useful, easy to operate, and many conditions can be set. You can group the monitored content. When there is updated content, you can also set a variety of reminders, such as sound reminders, pop-up reminders, etc. The most important is, it does not limit the number of monitoring, no need to register an account, which is exactly what I want, and I am very happy to be able to use this extension!
- (2021-02-20) Hima Tammineedi: It seems like this extension is just checking for website updates by making local network calls right? Are there any performance issues with this? Since I don't want this extension always fetching data from websites and doing extra processing locally. It would be better if this all happened on a server.
- (2020-12-24) Michel Cadorette: The best extension to watch /things/ on the internet, lot of options and the author answer quickly to email. He is very open to improve it with suggestion.
- (2020-12-10) 刘军: This plug-in has helped me a lot! I got my favorite things in a rush. But how can I change the language of the plug-in?
- (2020-11-18) Andy Donahue: is there a way to add a tracker to a page that doesn't let you right click??
- (2020-11-10) Rayuh Shen: Great Extension
- (2020-11-09) L T: EXCELLENT extension for more advanced users! It's probably not simple enough for people who aren't too familiar with computers (not the target audience) but if you know what a CSS selector is, what IFTTT is, and what RegEx is (even if you're not an expert at them), then you'll like this extension! Probably the only thing it's missing is a visual CSS Selector Picker (which you can really work around just using the element picker in Chrome DevTools and then right clicking on the node> "Copy Selector". It does let you right click on an element on the page to select it but provides no visual indication of the scope of that selector as of the time of this review). There are also a number of extensions and bookmarklets which help pick selectors. I'm guessing this type of minor enhancement is likely to be in some type of future release and is a pretty minor inconvenience. Aside from this, it seems to have at least 90% of the functionality of Distill plus a lot of additional customization/notification options all for FREE.
- (2020-10-31) Riaz Ali: I've had nothing but positive experiences with this extension, hard to believe it's free and does more than paid apps, should be way more popular
- (2020-08-27) Schittli Portable: This Addon has great concepts, but to just get an alert each time a specific Text appears on a website, it does not work. It would be useful if PageProbe alerts only if the searched Text was not part of the last Page Value. But it creates alerts even if different text changes. For example: If we search for 'GotIt', then PageProbe behaves like this: Page Value: abc def » No Alert abc GotIt def » PageProbe displays alert no. 1 abc GotIt def ghi » PageProbe displays alert no. 2 (should not be alarmed) abc GotIt » PageProbe displays alert no. 3 (should not be alarmed) In general, it would be great if someone could create one or two example tutorials.
- (2020-08-14) Jesse Wycko: Fantastic extension. It does exactly what I want it to do, though that's only something fairly simple. All the other extensions don't have nearly the functionality of this one. My only gripe is that it keeps opening new windows when it already has one open. If I leave it running for long enough, there's like 3 windows for PageProbe open.
- (2020-08-05) Thomas Will: How to track the image on page? Thank you!
- (2020-08-03) David Kirk: First, I would like to say what a fantastic extension. Finding this fantastic extension took a lot of time(9 hours of searching in 3 days, to be exact). I tried countless extensions and "freemium" sites that provide free services but with strict limitations and checks! This is a massive problem since PageProbe has been active for quite a while. A little bit of marketing and advertising could help the extension get noticed. Encouraging an audience of other talented developers or even rookies like myself can go a long way if you open the app for some improvements and ideas. MAKE IT KNOWN if it is already out there (somewhere)! I am eager to see more improvements, and I hope to make an impact with a small start here. I mainly use PagePlus on Firefox since it has a bit more functionality there. Still, overall it is excellent on Chrome as well. It works fantastic with Slack and notifications on my phone without a subscription to an overpriced service [cough] (Distill) is a significant plus. Thanks for all you do! With that said, my first suggestion is to allow a Donation button for me to press. A lot of my suggestions come from an enormous amount of time looking for the best with numerous amounts of failures from other services and extensions. So it is all laid out here: ***Please see reply section for continuation because of character limit.***
- (2020-04-16) hüseyin çakmak: i need a feature in this extention. PLEASE add web page refresh with alert sound. alert is working exactly. but i want refresh feature with alert.
- (2020-04-15) Sharif I.: It dose not work if I am logged in website.
- (2020-04-01) Nitinnan Sutthi: Cool!!! But dose anyone can show me HTTP POST example? I try to send POST to Google form but can't get current content value to send out.
- (2020-03-22) E V: This needs a CSS selector. I can't be sure what I'm actually tracking because the only option I have is selecting something on a page, right-clicking "Track Content". For the normal user, it just looks like complicated CSS code that could be tracking the whole page instead of a specific part or vice-versa.
- (2020-03-15) 张亮: This plug-in has helped me a lot! I got my favorite things in a rush. But how can I change the language of the plug-in?
- (2020-03-04) John Prokos: I've been looking for a replacement for Changes Meter, a standalone app for MacOS, since it was abandoned before being updated to 64bits. This extension is far better and offers finer control and it's FREE! Thanks.
- (2020-03-04) Anaël Grélard: [EN] It's a really must-have extension. It deserves to be better known. Thank you for your work! [FR] C'est une extension vraiment incontournable. Elle mérite d'être plus connue. Merci pour votre travail !
- (2019-11-15) Jigar Shah: Thanks for the awesome extension.
- (2019-09-20) Mark Levine: For one thing it works. For another it's free. Good job.
- (2019-08-17) Michael Ravenwood: Really versatile options!