diff --git a/e2e/lib/FormOptionPage.ts b/e2e/lib/FormOptionPage.ts
index c49a44f..7d981f4 100644
--- a/e2e/lib/FormOptionPage.ts
+++ b/e2e/lib/FormOptionPage.ts
@@ -8,13 +8,31 @@ export default class FormOptionPage {
     this.webdriver = lanthan.getWebDriver();
   }
 
-  async setBlacklist(nth: number, value: string): Promise<void> {
+  async setBlacklist(nth: number, url: string): Promise<void> {
     let selector = '.form-blacklist-form-row > .column-url';
     let inputs = await this.webdriver.findElements(By.css(selector));
     if (inputs.length <= nth) {
       throw new RangeError('Index out of range to set a blacklist')
     }
-    await inputs[nth].sendKeys(value);
+    await inputs[nth].sendKeys(url);
+    await this.webdriver.executeScript(`document.querySelectorAll('${selector}')[${nth}].blur()`);
+  }
+
+  async setPartialBlacklist(nth: number, url: string, keys: string): Promise<void> {
+    let selector = '.form-partial-blacklist-form-row > .column-url';
+    let inputs = await this.webdriver.findElements(By.css(selector));
+    if (inputs.length <= nth) {
+      throw new RangeError('Index out of range to set a partial blacklist')
+    }
+    await inputs[nth].sendKeys(url);
+    await this.webdriver.executeScript(`document.querySelectorAll('${selector}')[${nth}].blur()`);
+
+    selector = '.form-partial-blacklist-form-row > .column-keys';
+    inputs = await this.webdriver.findElements(By.css(selector));
+    if (inputs.length <= nth) {
+      throw new RangeError('Index out of range to set a partial blacklist')
+    }
+    await inputs[nth].sendKeys(keys);
     await this.webdriver.executeScript(`document.querySelectorAll('${selector}')[${nth}].blur()`);
   }
 
@@ -43,6 +61,13 @@ export default class FormOptionPage {
     await this.webdriver.wait(until.elementLocated(By.css(`.form-blacklist-form-row:nth-child(${rows.length + 1})`)));
   }
 
+  async addPartialBlacklist(): Promise<void> {
+    let rows = await this.webdriver.findElements(By.css(`.form-partial-blacklist-form-row`));
+    let button = await this.webdriver.findElement(By.css('.form-partial-blacklist-form .ui-add-button'))
+    await button.click();
+    await this.webdriver.wait(until.elementLocated(By.css(`.form-partial-blacklist-form-row:nth-child(${rows.length + 2})`)));
+  }
+
   async removeBlackList(nth: number): Promise<void> {
     let buttons = await this.webdriver.findElements(By.css('.form-blacklist-form-row .ui-delete-button'));
     if (buttons.length <= nth) {
@@ -51,6 +76,14 @@ export default class FormOptionPage {
     await buttons[nth].click()
   }
 
+  async removePartialBlackList(nth: number): Promise<void> {
+    let buttons = await this.webdriver.findElements(By.css('.form-partial-blacklist-form-row .ui-delete-button'));
+    if (buttons.length <= nth) {
+      throw new RangeError('Index out of range to remove partial blacklist')
+    }
+    await buttons[nth].click()
+  }
+
   async addSearchEngine(): Promise<void> {
     let rows = await this.webdriver.findElements(By.css(`.form-search-form-row > .column-name`));
     let button = await this.webdriver.findElement(By.css('.form-search-form > .ui-add-button'))
diff --git a/e2e/options_form.test.ts b/e2e/options_form.test.ts
index 6023f9c..c3dc5fb 100644
--- a/e2e/options_form.test.ts
+++ b/e2e/options_form.test.ts
@@ -35,7 +35,7 @@ describe("options form page", () => {
     assert.strictEqual(settings.source, 'form')
   });
 
-  it('add blacklist', async () => {
+  it('add blacklist item', async () => {
     let page = await OptionPage.open(lanthan);
     let forms = await page.switchToForm();
     // Scroll is required to click a button on Firefox 60
@@ -64,6 +64,53 @@ describe("options form page", () => {
     assert.deepStrictEqual(settings.form.blacklist, ['yahoo.com'])
   });
 
+  it('add a partial blacklist item', async () => {
+    let page = await OptionPage.open(lanthan);
+    let forms = await page.switchToForm();
+    // Scroll is required to click a button on Firefox 60
+    await page.scrollTo(0, 1000);
+
+    // assert default
+    let settings = (await browser.storage.local.get('settings')).settings;
+    assert.deepStrictEqual(settings.form.blacklist, []);
+
+    // add blacklist items
+    await forms.addPartialBlacklist();
+    await forms.setPartialBlacklist(0, 'google.com', 'j,k,<C-U>');
+
+    settings = (await browser.storage.local.get('settings')).settings;
+    assert.deepStrictEqual(settings.form.blacklist, [
+      { url: 'google.com', keys: ['j', 'k', '<C-U>'] },
+    ]);
+
+    await forms.addPartialBlacklist();
+    await forms.setPartialBlacklist(1, 'yahoo.com', 'g,G');
+
+    settings = (await browser.storage.local.get('settings')).settings;
+    assert.deepStrictEqual(settings.form.blacklist, [
+      { url: 'google.com', keys: ['j', 'k', '<C-U>'] },
+      { url: 'yahoo.com', keys: ['g', 'G'] },
+    ]);
+
+    await forms.addBlacklist();
+    await forms.setBlacklist(0, 'bing.com');
+
+    settings = (await browser.storage.local.get('settings')).settings;
+    assert.deepStrictEqual(settings.form.blacklist, [
+      { url: 'google.com', keys: ['j', 'k', '<C-U>'] },
+      { url: 'yahoo.com', keys: ['g', 'G'] },
+      'bing.com',
+    ]);
+
+    // delete first item
+    await forms.removePartialBlackList(0);
+    settings = (await browser.storage.local.get('settings')).settings;
+    assert.deepStrictEqual(settings.form.blacklist, [
+      { url: 'yahoo.com', keys: ['g', 'G'] },
+      'bing.com',
+    ])
+  });
+
   it('add search engines', async () => {
     let page = await OptionPage.open(lanthan);
     let forms = await page.switchToForm();